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User Manual: Hand-held Analyzer Type 2250-L

1. Playback on the analyzer is available only with G4 analyzers If you have a G1 3 analyzer you can play back recordings on a PC using Measurement Partner Suite BZ 5503 See section 12 2 5 for more information 122 Hand held Analyzer 2250 Light User Manual When you have selected the method of playback a pop up appears explaining how to adjust the output level in the headphone and how to stop the playback Tap the Minimize button to reduce this to a small blue bar at the top of the screen allowing you to watch the profile underneath you will notice that the profile cursor is updated every second to the position of the sound that is currently being played Fig 12 4 ocene ial Playing the recording Job 01 Project 001 minimizing the pop up 00 00 01 Uncal H Logged J 05 38 59 D 30 10 05 37 50 The small blue button bar at the top can be maximized again by tapping the E icon or you can close it and stop playing back by tapping EJ 12 2 5 Signal Recordings on the PC When projects including signal recording have been transferred into an Archive on a PC using BZ 5503 then the recordings can be played back directly from BZ 5503 Signal Recordings can be input to the Briel amp Kjaer PULSE Multi analyzer platform for further analysis please contact your local Briel amp Kjaer representative for further information Please note When recording signals for further analysis in PULSE b
2. 04 Making your First Organization Recalling 005 SAVING eseese SATUS iieri iieiea atear Ea nei ai E VIEWING ccccseciekickscssesstoliedlesseastotbebhsdedoesdstetbabhets Measurement Control Parameters Measurement Mode Parameter cccee Measurement Parameters cccccececesneseeeeeeees Relationship with Setup Parameters 169 Measurement Partner Cloud seeen 49 53 Measurement Partner Suite ccccccceeeeseeees 22 53 Measurement Partner Suite BZ25503 acarita satnika ak 27 58 87 90 115 Connect to Analyzer o ccecesescecccecessesteeeeeees 72 Measurements Measuring for Convenience ccceeesececeeeeeeaees 14 Measuring from a Distance cccsessscceceeeeseeees 13 Memory Cards GE E EEE AEE sghtdee tv gush Go unccunvderees 10 Memory Devices Formatting and Speed ccccccecsessseeceeeeeenes Storing and Recalling Data Errors Micro USB Cable AO 1494 ooo eeecesceeceesteeeeeeeeeeees Microphone ccceccccececeesesseeeeeeceeees Connecting Disconnecting Extension 5 Extension Cable HA PUT wee ave cciteovecees Mounting Placement of Specifications Uncalibrated sirinin e Microphone Holder UA 1317 cccccscccccceseesseees Microphone Parameters c ccccccccsessseceeeeeesseees Microphone Setup Parameters cc ccccccceeeeeee
3. Troubleshooting Scrolling sorre i e ae ie ii ii ii SD Card SOC isd EE A EEA A Troubleshooting SD Cards Recommended eeecccesececeestececseeeeeeseteeeeees 91 SDHC Card ON AOE EAE EEEE TTA 7 10 Secure Digital High Capacity SDHC c cccececeesseseesseeeeees 10 SIOUTOR wwostsscadicichoveusacesshconctebesGochebacsecseeccaaecs 7 10 Selecting Parameter Values ccccceseesecesseeeceeeeeeeseeeeeees 35 Template disicevccniccies cosh iei e a E 17 Weighting Parameters ssesssessssesseerersseseerrees 19 Server Settings NMT eesriie iieiea e i ia i eiie 187 Service and Repair sssssssesseessisesseerserrsssesrrrreesssssee 96 SERVICES E E E E 97 Set Up Default Tone Assessment nssr 126 Frequency Analysis cccsccccccccessssssceeeeeeeeseeees 99 Logging oeeaaeaii nanana inia a Eai 106 Manual Tone Assessment sssr 126 Projets aieeaii inatake iieii ai Aa aiian 52 Signal Recording cccccccccesssssssecececesesseaeees 115 Signal Recording with Logging 00006 118 Sound Level Meter Software sesse 16 Tone Assessment ecscceceeeeeesenteeeeeeeeeentaaees 125 Settings Backlight 2ns 2055 coe ee Sehoc ss cec seated a aiie Brightness neona uneei kain Display DynDNS GPS iienaa Headphone Modem asasan Network cccceceeccecesseeeeeeeeees Network Parameters PCL Printer Printer Projects anie atiscteattinatsncans cedarab
4. ccccccccccccesssseeeeeeees 175 Keyboard CHALACCOR wesvcccaesesesceessseeceessnesssecchovseeeceettsteseees 36 Laeq Laeg Parameter LaegT mov eee eee eee erry Laeg T mov max eee eeeneeeeee Lap Parameter LaF SPL LAF90 0 Peer CeCe CeCe CeCe rere rer ere eee er rere reer er reer e rer errr errr Connecti N e s icesessesacecovavenevansdcerdeeteteaseesnesanenees Interface na e i eecetiet ies vevedet MO GOI ssc ccnsosceSecce cede oak aie eee aa eect gus ha toes LAN CONN ECtION sienose aaia Language Parameter cccccessesseceseececeneeeeeeeeees Languages cheatin nek Neth oa NE E lacie Instali eeaeee aa aK eee Ling Parameten aieh eaa o Era a naa Last Calibration Date cccccccccsssccccecsesssteeeeeeeees aaa ra E E EOE Level Average with Exchange Rates 4 5 Or 6 sesessesseereesesee 25 Level Detection AULOMALICS rieri aai aaaea aiaa Level Event Marker License Mover VP 0647 Licenses How to Move Them Link local eriei reesstnsrreniras Listening to Annotations Lock Unlock Display Pushbuttons Log In as Another User cccccccccccessssseceeeeeseesseaees Logged 100 ms Measurement Parameters 167 Logged Broadband 100 ms Parameters 152 167 Logged Broadband Parameters cccscccccceeeesee 150 Logged Measurement Parameters cccccceeees 165 Equivalent Continuous Sound Levels 165 Maximum Time weight
5. cceeeees 62 STOMING A ENE E EE ETETE 96 Switching Off erei nearer iiie 22 Switching ON essssssessessssssssrersesssseerreesessesreereese 16 AE AEA E EE tos seaseabenbnceters 84 Update Software via BZ 5503 ccccccccececeeees 87 Update Software via Internet ccccccceeeee 88 Using the Microphone Holder ccccccceeees 14 Analyzer components ccececsessscecececesteaeeeeeeeeeeeees 4 ANNOTATIONS eanne nenian aevnsstladenseeegeneeczeededeess 52 Add GPS Note seriei eiiiai 21 Add Signal Recording cccsessecececeeeesseeees 115 Gain Adjustment ooo eee ccceceesestseeeeeeeeeees 72 Viewing OF Listening ccececececececececeeeeeeeeeeess 52 AO 0657 USB Adaptor cccececcessseeceeeeeeees 8 72 83 AO 0697 Microphone Extension Cable 8 14 AO 1476 srn otie i iii a ai AO 1476 Mini USB Cable AO 1494 Micro USB Cable Applications Install 199 200 Installing Updating and Upgrading 87 Temporarily Uninstall ccccessececeseeseeeees Update or Upgrade cscccccceees Applying Tone Assessment 066 Archive Data ccccccccesssrceceeteeeseeneees Assembling your 2250 Light Asterisk Next to Project Name ccccsssesssesssesereresereees Next to Template Automatic Event 0 eeeeeeececeeeeeseeeeceeeseseenteaeeeeees Automatic Gain Control Parameter Automatic Level Detection ccceceescecesseeee
6. Status of current disk Free memory Total memory Status of internal battery Full High Low Critical Charging or Unknown Measurement status if available Running Paused or Stopped Latest CIC result if available Passed Background noise too high Ratio outside tolerances Ratio deviates from Ref Undefined Ref or Undefined Current value of LAF if available The value Please note Some of the information listed above may not be available depending on the conditions when the notification was sent for example no measurement values will be available immediately after a power on Text SMS Notifications Notifications via SMS text message can be used if you have connected a GSM GPRS EDGE HSPA modem to the analyzer see section 8 2 2 and set Modem to Disabled a text message cannot be sent if the modem is set to GPRS EDGE HSPA Dialup In addition to sending SMS notifications initiated by alarms you can send an Info SMS to the analyzer and ask for an SMS notification after which you will get a notification within 30 seconds You must set Main Menu gt Preferences gt Notifications gt SMS Phone Number to the appropriate number e Active to Yes You can also add a Name for the number for easier identification You can setup two individual SMS phone numbers for sending the SMS notification to two recipients Set Notification to SMSand a notification will be sent by S
7. Microphone Type 4950 ssssessessessesssersessesreereese Microphone Type Parameter Mid Frequency Range 0000 Mini USB Cable AO 1476 Minijack to Earphones 04 Minimum Duration Parameter Minimum Time weighted Sound Level Parametrs oroesi eei eeii Ein 163 166 Minimum Time weighted Sound Levels Ci Eminh en E E dh mentee 25 MM 0256 Weather Station esseeseeseseeesersesseereee 82 MM 0316 Weather Station cccccccccecessesteeeees 82 Mobile Phone Connection sssseessssssssesssereessesrerreese 57 Modem Settings cccccscsssscceecsesssneseeeeeceesssaeeeees 72 Parameters a sccsiavvevacnvnrecwscedectunccerseerecsentechere 181 Modems E EEEE AEA A ET 74 GPRS EDGE HSPA cccecssessecsseseseeeeeeeeeeeeeeeees 73 LIN ae raa eee Ea E ea i eE 73 RS 232 Interface ccceccccecesssstsceceeesestaeeeeees 74 USB INterfa cE ennet teneran ielai etast 74 Mounting Microphone ee 12 onto Microphone Holder ccsessececeeeeeeeees 14 olah EaR AT eLo M NS EEEE N ASET 13 TRIP OG ces R A A E A E 5 Windscre m hannan a aa e ias 13 Mounting Thread For Wrist Strap ccsescssssssssssssssseceeeeeeeeeeeeeeeens 6 Moving Equivalent Continuous Sound levele an eee a e e sien ont 24 192 Moving Jobs and Projects ccccccescecececessesteaeees 51 ANAE eT o BEEE EE E A AE 49 53 MPS See also Measurement Partner Suite 22 N Navigating in Jobs
8. ccccccessseceeeeeeeees 19 Parameter Values 0 scccceescecesereeceeseeeseeeeeees 35 the Templates a eieiei ii aia 17 Character Keyboard essssssesssssssssesssereessesseerersessee 36 Charge Indicator ccccccecccecessssecececeesssteceeeeeceeees 7 9 Charge Injection Calibration ssesseeseeseeseerseeesse 46 Performing arenen eK a i eii 47 with Logging 0 0 eeeceseseecececessessaeeeeeeseeeseeaees 107 Charge Injection Calibration Parameter 150 Charging for the First Time cccccccssssececseneceesseeeceenaes 12 IG goa AE EE E hpasdaseront teases 46 GIG Ratio esisin ek aeii Tia 46 47 CIC Ref Date oriciies ccseccesdesnceceuacnsscaunsedstvanecneveamaadoes 47 CIC Reference Ratio ccceesssccceessececeeeeeeeeseeeeeees 47 CIC RESUlt ne r eaa a e eea aaa h 108 Parameters onneen inr a e aiina 165 Cleaning the Analyzer cccccessssccccecsesssteeeeeeeens 96 ClOCK Display irn iri i 33 CIOSE VIEW iecere niera i a o ga 26 Clout cindeten aii aoa iai 49 53 Efo o RES C Ir E EEA N TA 16 Compact Flash SIOCTOR ocd ciwcecen fads csnegervecned avs snce ene aa nei 9 CompactFlash SIOUTOR ce ENEE E E TEA AA CompactFlash Modems 5 Conformance Test Certificate Connect to Analyzer via Internet Browser cccccceeseeeees 81 Connecting GPS RECEIVEFS aeriene aaan aa RES 82 Microphone Extension Cable c ccccccceeeees 14 Prem plitiet mees rcerhen an aon
9. 163 166 USB dme aE o1 E caees 6 Interface Modem Troubleshooting 0000 TypeA eroen aeaa USB Adaptor AO 0657 ccccceeee USB to RS 232 Converter UL 0250 User Name Parameter eeen Users Delete or Reconfigure eseesssseerrerressesrsee V Versions Hardware and Software sesessssssssesrsersessessees 26 View and Control Instrument cccccccccessesteeees 64 View Instrument esssssssssessssssssesrseerseerereeerererererere 64 Viewing Annotations esesssssssssssssssssssssrsrsrsrersrsrserereresene 52 Data EE A E E E 52 Data Remotely cccccccecsssseeceeeceessstseeeeeeees 27 RESUS ina eren a e aaee aa aaae 52 Saved Measurements cccccccccccsesssseeeeeeesenees 21 NIGWS satel coceniotdnrtncseesetouts hativovsseoduelibansesencetaspaneadnere 31 Central Area sone reiese rieti e RE 32 Profile anino a a 108 Spectr ci ec c cesctethusicneactoctesdinecsnsdeackesbevestes 101 Kes castes douateute E E E E 18 VP OGA7 i ie a a i iie 90 WwW Warm Start orion a dienes 16 WO ater meea a E E EERTE 82 Weather Data Crion radona A a EA ia 25 INSTANTANEOUS ceecescccccccececececececeeeeeeseeeseeeeees 25 Weather Data Parameters cccsscecsceeeees Weather Stations Weather Station MM 0256 Weather Station MM 0316 Web Page Weighting Select tsar ca neie What is 2250 Light ceee What is a Sound Level Meter Parameters WiFi CONNECTION sessesesesesesesesesesese
10. Please note The ISO method does not specify the weighting filter to be used The A weighting filter is selected by default but all selectable broadband filters may be applied without warnings 13 7 Recalling Saved Measurements Saved measurements using the Frequency Analyzer 1 3 Oct and Logging templates can be opened and the Tone Assessment can be applied Please refer to section 3 3 and section 6 3 for information on how to save and recall measurements respectively 132 Hand held Analyzer 2250 Light User Manual Chapter 14 Specifications This chapter comprises the specifications that are needed for evaluation of analyzer performance characteristics and proper use of the analyzer Some of the applicable sound level meter standards require additional technical documentation in particular for pattern evaluation type approval purposes but have no bearing on normal use The additional technical documentation is given in a separate Briel amp Kj r manual Specifications Hand held Analyzer Type 2250 L 2250 Light Platform Specifications apply to 2250 Light fitted with Microphone Type 4950 and Microphone Preamplifier ZC 0032 Microphone SUPPLIED MICROPHONE Type 4950 Prepolarized Free field 4 Microphone Nominal Open circuit Sensitivity 50 mV Pa corresponding to 26 dB re 1 V Pa 2 dB Capacitance 12 5 pF at 250 Hz MICROPHONE PREAMPLIFIER ZC 0032 Nominal Preamplifier Attenuation 0 3 dB C
11. Requires 1 1 or 1 3 octave Frequency Analysis Software for 2250 Light BZ 7131 32 CHAPTER 11 Logging Optional Module 5 Under the Measurement Control parameters set the Preset Logging Time and Logging Period as required Set Synchronize with clock to Yesif you want the logging to synchronize with whole minutes or hours For example if Logging Period is set to 1 minute and you start the measurement at 8 12 33 then the first logging interval will be from 8 12 33 to 8 12 59 27 seconds the second will be from 8 13 00 to 8 13 59 60 seconds etc Set Synchronize with clock to Voif you want every logging interval to be the specified Logging Period exactly Set Charge Injection Calibration to On if you want to validate the complete measurement chain by performing CIC at the start and end of the logging measurement refer to section 5 7 6 Under the Logged Broadband parameters choose which broadband parameters you want to log in accordance with the Measurement Control parameters You can choose to log Full Statistics per Logging Period or not You can also choose to log a the measured Broadband Parameters or a Se ected number of parameters If you choose Selected then you can specify up to 10 parameters 7 The Logged Broadband 100 ms parameter allows you to log Ljeg with an elapsed time of 100 ms and a logging period of 100 ms Lar and or Las with a logging period of 100 ms irrespective of the other logging parameters 8 The Logged
12. Tap Power or next to Power to expand the list of power settings e Backlight Dim Standby e Turn off Backlight only with G1 3 analyzers e Ext Power only with G4 analyzers CHAPTER 8 69 Advanced Use of Your Analyzer Tips and Tricks Fig 8 3 a a Power screen Left For G Display Display G1 3analyzers ower J gt be Right For G4 analyzers Backlight Dim After 1 min Backlight Dim After 1 min Turn off Backlight Never Standby After 5 min Standby After 5 min Ext Power Switch on and charge Regional Regional Projects Projects Headphones Headphones Remote Access Remote Access fe Network Network MP Cloud MP Cloud Notifications Notifications Modem DynDNS Modem DynDNS Printers 5 NMT Server J The backlight will be switched on as soon as you operate the analyzer either by using the keyboard or the stylus on the touch sensitive screen The backlight brightness will be one of the six levels set by tapping Egat the bottom ofthe screen Tap Minimumfor minimum brightness and power consumption or up to Maximumfor maximum brightness and power consumption Once you have chosen the level select Close to save the settings When the analyzer has been left unused for the time specified in the Backlight Dim parameter the backlight level will change to the dim level Minimum e ForG1 3 analyzers this state will hold for the time specified in the Turn off Backlightpa
13. ccccccccceeees USB CONNECTION eee eeeeceeeeeeenteeeceeeeeeeeneeaeees BZ 5503 A Logging Post processing Tools 59 BZ 5503 B Spectrum Post processing Tools 59 BZ 7130 Sound Level Meter Software essees 24 BZ 7131 1 1 octave Frequency Analysis TOI ENTAI E EAA Hocseca ET E ENEA 25 99 BZ 7132 1 8 octave Frequency Analysis Software seen i ei even Suevcsien suede 25 99 BZ 7133 Logging Software seessesssseeseeesse 26 105 BZ 7226 Signal Recording Option BZ 7231 Tone Assessment Option 006 26 123 C Calculating Level Difference cccccccseesteeees e i DratiON ME E E E EES Accredited aenrike iaa ACOUSTIC orenean Tenenan a iai ei niia Certified seirene iskan aa eaii AOI A EE vachestieecsenaseacnebhies History Parameters seeeessesssssssssesrsrsrrrrrseseeeee Initial oeri i ie Interval wo Last Date Manual Nominal Sensitivity Of FIITErS eunen s Procedures Reminder SCFEEN seisoin Settings sccidvccsccieteceecedecessesseend Setup Parameters ccccccccseceseceeeceseeeseseeenens Sound Calibrator sssseesseeseseeessessssesrseresssesseee Standard Traceable Care Cleaning and Storage Certified Cailbrations cccecccesssececeeseceeeseeeeeees CF Card SIOt a REEE RES EEE A E EET Troubleshooting CF Cards Recommended ossis CF WLAN Card UL 1019 Changing Broadband Weighting
14. cccsccccssseceessececeeees Slots Compact Flash Card cccecscsccccscessssseeeeeeeeeees CompactFlash Card Secure Digital Card Slow Time Weighting Small Tripod Small Tripod UA 0801 oo ceeceesceccceceesesteeeeeeeeeeees Smartphone Connection ccccccccccsessssseeeeeesseesees Smileys Codes and Remedies in Tone Assessment 131 in Frequency Analysis in Tone Assessment aese SMS Notifications while Online SMS Settings Parameters Sockets Earphone 00 External Power TOP eseese iaeiei ea i e 5 8 USB A oriri srerii derive ENE RE E 8 Software 1BYo 7 91 4 0 0 e InstalNEW es ataia erari elase eiin Reinstalling nee oiriin aiii Update seenen e aE o ete Update or Upgrade c cccccccccecssssseeeeessessaees AEE RE A T SE Sound definition ccccceccccsssceeesceseessseeeseeaes Sound Calibrator essesseesesseesserseseerrsrssssesrseeressesssee Sound Calibrator Type 4231 Sound Categories in Logging ccecsccecceeeeenees Sound Category cccecccccccecsssscececscsessaeseeeeeeseeees Sound Exposure E ccccccccssecesssceceesseeeceesees Sound Exposure Level ccsssccccesessssseeceeeceeseaees Sound Exposure Level Parameters Sound Field Correction Parameter Sound Field Corrections ccc00 Sound Level ceceesecceeceeeesseeeeeees Sound Level Meter Description seeseseseseseserererererese Project Template S
15. e The CompactFlash slot hardware versions 1 3 133 134 e The USB Standard A Socket hardware version 4 Supports DynDNS for automatic update of IP address of host name PRINTER INTERFACE PCL printers Mobile Pro Spectrum thermal printer or Seiko DPU S245 S445 thermal printers can be connected to USB socket Inputs Outputs COMPACTFLASH SOCKET Hardware Versions 1 to 3 only Connection of CF memory card CF modem CF to serial interface CF Ethernet interface or CF WLAN interface SECURE DIGITAL SOCKET e 1x SD socket for hardware versions 1 3 e 2 x SD sockets for hardware version 4 Connect SD and SDHC memory cards LAN INTERFACE SOCKET Hardware Version 4 only e Connector RJ 45 Auto MDIX e Speed 100 Mbps e Protocol TCP IP TRIGGER SOCKET Connector Triaxial LEMO Max Input Voltage 20 Vpeak Input Impedance gt 47 kQ Precision 0 1 V HEADPHONE SOCKET Connector 3 5 mm Minijack stereo socket Max Peak Output Level 1 4 V Output Impedance 32 Q in each channel Power EXTERNAL DC POWER SUPPLY REQUIREMENTS Used to charge the battery pack in the analyzer Voltage 8 24 V DC ripple voltage lt 20 mV Current Requirement min 1 5 A Power Consumption lt 2 5 W without battery charging lt 10 W when charging Cable Connector LEMO Type FFA 00 positive at centre pin EXTERNAL AC MAIN SUPPLY ADAPTOR Part No ZG 0426 Supply Voltage 100 to 120 200 to 240 VAC 47 to 63 Hz Connector 2 pin I
16. From the D Link Corporation declaration of conformance for Wireless N 150 Micro USB Adaptor DWA 121 143 144 Hand held Analyzer 2250 Light User Manual Appendix A Setup Parameters This appendix describes all the setup parameters included in a template A 1 Input Table A 1 Input parameters Parameter Values Comment Sound Field Correction Free field Select a correction matching the sound field of your Diffuse field measurements that is you can make correct measurements in a diffuse field using a Type 4950 free field microphone by selecting Diffuse field correction Even Free fie d correction of a free field microphone will enhance the overall frequency response of the system Generally ISO requires free field conditions and ANSI requires diffuse field conditions Check your local standards for the setting you require No correction is made for unknown transducers Loudness Free field Determines whether Loudness and Loudness Level are Diffuse field calculated based on Free field or Diffuse field Auto conditions Set to Auto to follow the setting of Sound Field Correction For an unknown microphone type you can set Loudness to the condition matching your request For outdoor measurements it is often necessary to mount a windscreen on the microphone to reduce the measured wind noise This has however a small impact on the overall frequency response of the analyzer 145 146 Hand held Analy
17. Simplified method This method uses 1 3 octave measurements The selection of method depends on local legislation which may refer to ISO 1996 2 or a local method Find more information about rating level and assessment of environmental noise in ISO 1996 2 and in Bruel amp Kj r s Environmental Noise Booklet 13 2 1 ISO 1996 2 Annex D Tone Assessment Calculations The ISO method searches a measured time averaged Leq spectrum for level differences between adjacent 1 3 octave bands If the level difference between a 1 3 octave band and the band either side of it are higher than a certain limit an adjustment for audible tones may be added to the Laeq level when calculating the rating level L In ISO 1996 2 Annex D the spectrum is divided into three frequency ranges Low Middle and High In each frequency range a specific limit for the level differences leading to an adjustment is defined Fig 13 1 Fig 13 1 Definition of frequency ranges and level differences Level differences can be defined in Low Middle and High frequency range Proposed level Middle difference limits 8 for adjacent bands dB High 4 2 0 x f IE 25 Hz 125160 400 500 10 kHz 1 3 octave bands Hz 080160 The proposed frequency ranges and level differences between adjacent bands are e Low frequency range includes the 1 3 octave bands from 25 Hz to 125 Hz with a level difference for a detected tone greater than 15
18. e Create users on the analyzer e Upgrade software on the analyzer e Install software licenses on the analyzer Using this software measurements on the analyzer can be controlled from your PC and displayed online using the same user interface on the PC as on the analyzer CHAPTER 7 59 Connection to PC or Smartphone or Measurement Partner Field App Data transferred to the PC are organized in archives You can view the measurement data in the archives 7 2 1 Connect to Your PC Connect the analyzer to your PC using one of the following e G1 3 analyzers The supplied Mini USB Cable AO 1476 A modem connection ALAN connection via a CF card adaptor e G4 analyzers The supplied Micro USB Cable AO 1494 A modem connection ALAN connection The connection can be protected by requiring a login with user name and password see settings in section D 11 See Chapter 8 for descriptions on how to set up your preferences including PC connections 7 2 2 Post processing and Reporting Use the optional modules of Measurement Partner Suite for data analysis and post processing For example data in the archives can be post processed directly in the Logging Post processing Tools BZ 5503 A module or Spectrum Post processing Tools BZ 5503 B module Furthermore data can be exported to various post processing tools like Evaluator Type 7820 for assessing environmental noise Protector Type 7825 for assessing workplace noise Qualifi
19. 125 500 Hz is dominant and HF for hiss where the high frequency range 1000 4000 Hz is dominant Furthermore there are two variations of LF if the spectrum in the low frequency range is likely to introduce vibrations LFVA where there are clearly perceptible vibrations and LFVB where there are moderately perceptible vibrations The probable occupant evaluation describes how an occupant responds to a spectrum and can have the values Acceptable Marginal or Objectionable Described in the ASHRAE Handbook HVAC 2011 and ANSI 12 2 2008 Room Criteria is for rating room noise SIL Speech Interference Level is the arithmetic average of the 500 Hz 1 kHz 2 kHz and 4 kHz octave band levels PSIL Preferred Speech Interference Level is the arithmetic average of the 500 Hz 1 kHz and 2 kHz octave band levels Used for evaluating the interference of noise upon speech communication SIL3 Speech Interference Level based on highest 3 octaves is the arithmetic average of the 1 kHz 2 kHz and 4 kHz octave band levels Note Though SIL PSIL and SIL3 are defined for octave band levels they are also calculated for 1 3 octave band levels by summing the power values in the three bands within each octave before doing the averaging Any pressure variation that the human ear can detect Just like dominoes a wave motion is set off when an element sets the nearest particle of air into motion This motion gradually spreads to adjacent air
20. 13 9 Fig 13 9 Example of a status code explanation lt If you have selected 1 1 octave or a Directinput tone assessment will be performed but a smiley will be displayed When you tap the smiley it will advise you to use a Microphone For an overview of all the remedies associated to the various smileys please refer to Table 13 2 CHAPTER 13 Tone Assessment Option BZ 7231 1 3 octave Method Table 13 2 Overview of smileys and associated remedies Smiley Colour Explanation Remedy Tip for Solution E Red octaves No tone assessment on 1 1 There is no method for assessing tones when the spectrum is analysed in 1 1 octave bands select 1 3 octave instead No tone assessment on inst parameters E Red It is not possible to make tone assessments on instantaneous parameters Fast or Slow S Yellow Analysis on Direct The analysis is carried out on a Direct input select a microphone Yellow Setup different from ISO standard The ISO standard is selected and the measurement setup deviates from the proposals in the ISO standard 5 Yellow Min or Max spectrum When theISO standard is selected the analysed spectrum should be Leg amp Yellow Tone freq outside proposed ISO range In the ISO standard the defined frequency range for tone assessment is from 25 Hz to 10 kHz A tone is detected outside this frequency range
21. 150 70 Maximum be 70 30 16 3 Pre recording s aa 24 bit 64 310 150 96 43 Memory KB s 16 bit 16 32 48 96 Memory KB s 24 bit 24 48 72 144 PLAYBACK Playback of signal recordings can be listened to using the earphone headphones connected to the headphone socket RECORDING FORMAT The recording format is either 24 or 16 bit wave files extension WAV attached to the data in the project easily played back afterwards ona PC using BZ 5503 Type 7820 or Type 7825 Calibration information is stored in the WAV file allowing BZ 5503 and Brtiel amp Kjaer s PULSE Multi analyzer to analyse the recordings Functions with BZ 7130 and BZ 7131 Manual Control of Recording Recording can be manually started and stopped during a measurement using a pushbutton or an external signal Automatic Control of Recording Start of recording when measurement is started Minimum and Maximum recording time can be preset Functions with BZ 7133 Manual Control of Recording using Manual Event or Back erase pushbutton or an external signal Recording during all of the event or for preset minimum and maximum duration A Sound marker is set while recording Selectable pre and post recording time Manual Control of Recording using touch screen Recording for the selected time period subject to the limitations of the pre recording buffer A Sound marker is set for the selected time period Automatic Control of Recording Recording durin
22. Please note TWA and TWA require U Sand Q 5 A 11 Tone Assessment Table A 12 Tone Assessment parameters APPENDIX A Setup Parameters Parameter Values Comment Tone Assessment On Off Set Tone Assessment to On to enable tone assessment functionality then select the Tone parameter above the spectrum to display the results Tone Standard ISO 1996 2 2007 ISO 1996 2 2007 Annex D is the objective method for assessing the audibility of tones in noise simplified method This method uses 1 3 octave spectra Adjustment 0 0 to 20 dB This is the adjustment you should add to Lpgg if audible tones are found in the spectrum The resulting adjustment can be read below the spectrum Low Freq Last Band 12 5 Hz to 315 Hz Set the frequency for the last band of the low frequency range of the assessment Default is 125 Hz The low frequency range is from the lowest measured frequency band to the value of the Low Freq Last Band parameter Middle Freq Last Band 160 Hz to 20 kHz Set the frequency for the last band of the middle frequency range of the assessment Default is 400 Hz The middle frequency range is from one band higher than the Low Freq Last Band parameter to the value of the Middle Freq Last Band parameter Level Difference Low 0 1 to 100 0 dB Set the required level difference for detecting a tone in the low frequency range Default is 15 dB
23. Requires 1 1 octave Frequency Analysis Software for 2250 Light BZ 7131 or 1 3 octave Frequency Analysis Software for 2250 Light BZ 7132 CHAPTER 4 27 Getting to Know Your Analyzer 4 4 What is Measurement Partner Suite BZ 5503 Measurement Partner Suite BZ 5503 comes standard with your hand held analyzer and provides data archive preview and export capabilities as well as software maintenance and remote online display In addition to the included standard configuration valuable data analysis and postprocessing functionality is available in an expanding suite of optional application modules The software enables you to do the following Setup or control the analyzer from a PC e Retrieve data from the analyzer e Manage and archive data from the analyzer e Manage archives in Measurement Partner MP Cloud e Merge MP Field App annotations with the corresponding analyzer in the project e View data in archives e Update the software in the analyzer e Install licenses for use of software modules in the analyzer e Remotely view online displays e Post process data optional e Export to other post processing and documentation tools like Evaluator Type 7820 or Microsoft Excel or Word Measurement Partner Suite BZ 5503 is supplied on the Environmental Software DVD BZ 5298 which is included with your analyzer 28 Hand held Analyzer 2250 Light User Manual 4 5 Basic Principles when using 2250 Light 4 5 1 Navigation
24. The IP address of the secondary DNS server Table D 8 Continued Network settings APPENDIX D Preferences Parameter Values Comment Name Up to 32 characters Name SSID of network you want to connect to Update the name either by entering a name directly or by tapping on the Available Networks and selecting a name from the list Security Open Select security as required by the network Shared Openand Shared are for WEP Wired Equivalent WPA PSK Privacy Infrastructure mode MARES WPA PSKis for WPA Wi Fi Protected Access with Pre shared Key also called Personal mode WPA2 PSK WWPA2 is an enhanced version of WPA Please note G1 3 only automatically set for G4 Encryption None Select Encryption as required by the network WEP Enabled None is for Open security AES Enabled WEP Enabled is for Open and Shared security TKIP Enabled AESand TKIP Enabledare for WPA PSK and WPA2 PSK Please note G1 3 only automatically set for G4 Encryption Key Up to 32 characters Insertthe encryption key required by the network The key will be displayed until you press Enter then it will be replaced by Please note G1 3 only automatically set for G4 183 184 Hand held Analyzer 2250 Light User Manual D 9 Measurement Partner Cloud Settings Table D 9 MP Cloud settings Parameter Values Comment Account Logged in Select Logged into log in to your cloud account The analyze
25. The information shown in the value panel can be changed by tapping in the field From the tone parameters the adjustment and the selected tone standard can be selected See Fig 13 7 Results from the tone assessment can also be found by tapping on the Broadband tab and browsing in a similar way Fig 13 7 FREQUENCY ANALYZER Changing the CF Card pk tone s bk 008 Bd information shown in I 00 00 07 E the value panel LAeq 630 Hz 41 4 dB Tone arj Adjustment L 140 100 60 Start T US Occ Health LAF90 General gt gt b b gt gt gt gt 5 13 5 Logging Software BZ 7133 Template The results from the tone assessment can be found in the Spectrum view of the Logging template Tone assessment is performed for each logging period as well as for the total measurement time see Fig 13 8 129 130 Hand held Analyzer 2250 Light User Manual Fig 13 8 Koreen eh Viewing results on the CF Card NT project 009 logging template gt 00 00 01 Logged 15 12 11 1 25 kHz 11 9 cB 7 4 dB Sl a ul lh 25 63 250 tk 4k 20k AC 12 5 Bandwidth Adjustment See Chapter 11 for more information about setting up a Logging measurement 13 6 Status Codes Smileys When 7one is selected on the tone parameter panel the list of status codes is updated Tap a smiley to get an explanation of the status code and for a tip on how to remedy or improve the settings on the analyzer see an example in Fig
26. e Logging Software for 2250 Light BZ 7133 e Signal Recording Option BZ 7226 e Tone Assessment Option BZ 7231 The manual explains how to perform a basic sound measurement which parameters you can measure and how the hand held analyzer should be operated In addition some practical hints and guidelines are provided including all relevant technical specifications Finally a glossary is added to help with specific terminology found in this manual This manual is intended for all hardware versions from 1 to 4 All hardware versions support the latest application software covered in this manual 1 2 How to Use this Manual 1 2 1 Conventions Used in this Manual Analyzer refers to 2250 Light Type 2250 L unless otherwise specified Instructions and descriptions that refer to the analyzer pushbuttons are shown with the pushbutton icons as seen on the analyzer See Chapter 2 for a list of pushbutton icons and their functions Icons Buttons and Tabs Used on the Screen Indicated by bold type face for example tap the Main Menu icon 2 Hand held Analyzer 2250 Light User Manual Parameter Values Text and Variables Parameter values instructions descriptions appearing on the screen and variables are indicated by italics for example Internal Disk Menu Parameters and Screen Navigation Indicated by bold type face for example Setup gt Frequency Settings gt BB Peak Keyboard Entries Keyboard entries and combi
27. e USB Memory Stick Hardware version 4 Logging Period From 1s to 24 hr with 1 s resolution Fast Logging Lap Las and Lae can be logged every 100 ms irrespective of logging period Broadband Data Stored at each Logging Interval All or up to 10 selectable broadband data including weather data and Laeq T mov Broadband Statistics Stored at each Logging Interval Full distribution or none Spectrum Data Stored at each Logging Interval All or up to three selectable spectra license for BZ 7131 or BZ 7132 required Logging Time From 1 s to 31 days with 1 s resolution Measurement Total For the logging time in parallel with logging All broadband data statistics and spectra license for BZ 7131 or BZ 7132 required Automatic reboot and resume of operation in case of power failure MEASUREMENT DISPLAYS Profile Graphical display of selectable measurement data versus time Fast display of next or previous marker Profile overview of entire measurement Y axis Range 5 10 20 40 60 80 100 120 140 or 160 dB Auto zoom or auto scale available X axis Scroll facilities Cursor Readout of measurement data at selected time MARKERS Five user definable markers for online marking of noise sources or events anywhere in the profile Markers are set using the stylus on the touch screen or the three marker pushbuttons Calibration CHARGE INJECTION CALIBRATION CIC Injects an internally generated electrical signal in parallel
28. however take Maximum and Minimum Duration into account If you do not want to record the input signal then set Recording Control to Off to economize on power Recording Quality Low Fair Medium High This setup determines the quality of the recording by adjusting the sampling rate The amount of space required for the recording will depend on the selected quality see details in the Specifications chapter APPENDIX A Setup Parameters Table A 10 Continued Signal Recording parameters Parameter Values Comment Recorded Signal Input X weighted Input C weighted Input Z weighted Use this parameter to select the frequency weighting of the recorded signal Please note e The frequency weighting of the recorded signal can be selected independently of the frequency weighting of the measurement the signal at the output socket and the signal at the earphone socket e X frequency weighting A or B A requires that the BB excl Peak parameter is set to AC or AZ B requires that the BB excl Peak parameter is set to BC or BZ Automatic Gain Control t On Off To ease identification of sound sources by listening the gain can be automatically adjusted to keep the average level withina40 dB range When playing back the recorded signal you will then hear clearly the whole signal content whether the level has been 20 dB or 140 cB Set Automatic Gain Control to Onto c
29. switching on the analyzer The display in Fig 9 3 will be shown Fig 9 3 Maintenance Mode initial screen for G1 3 analyzers Maintenance mode Please wait iy x i p Within a few seconds the display in Fig 9 4 will be shown 94 Hand held Analyzer 2250 Light User Manual Fig 9 4 Update 2250 Light software screen for G1 3 analyzers Update 2250 Software Press to accept or any other key to cancel eo eve ese oo By c Cancel the update by pressing any other pushbutton than the Accept pushbutton v Fig 9 5 Reset to default settings screen for G1 3 analyzers Reset to default settings Press to accept or any other key to cancel F a Ae e a Re d Press the Accept pushbutton v to reset to default settings With G4 analyzers the analyzer contains two sets of the firmware software package and settings The one originally delivered with the analyzer and one installed afterwards To restore the factory firmware software package and settings a Press and hold the Power on pushbutton for at least five seconds powers off b Press and hold down the Manual Event 2 and Save amp pushbuttons while switching on the analyzer The display in Fig 9 6 will be shown CHAPTER 9 95 Updating and Upgrading Applications Maintenance Calibration and Troubleshooting Fig 9 6 Restore factory firmware and settings on G4 analyzers Restore factory firm
30. whereas Laeg iS a measured value that needs to be averaged over a period of time Therefore it cannot be displayed before you have started a measurement using the Start Pause pushbutton Please note Fig 3 3 SOUND LEVEL METER Setting the ernal Disk Job 01 project 001 measurement mode E 00 00 00 ii LAF INULIN 30 50 70 90 LAeq dB LCpeak dB LAF90 0 dB LAFmax dB lt Measurement Mode Manual Automatic Broadband 3 Press the Start Pause pushbutton to start the measurement Notice the Running icon on the screen and monitor the red yellow green status indicators around the Start Pause pushbutton while you are measuring The indicators are Yellow status indicator flashing every 5 s before starting the measurement Steady green status indicator after pressing the Start Pause pushbutton and during the measurement if everything is OK 18 Hand held Analyzer 2250 Light User Manual Yellow status indicator flashing every 5 s when you have stopped saved the measurement and are ready to do another measurement Yellow status indicator flashing slowly 0 5 s on 0 5 s off if you pause the measurement Red status indicator flashing rapidly if you encounter an overload condition during the measurement 4 Use the Start Pause Continue Back erase and Reset pushbuttons to control the measurement The status field at the top of the screen will
31. with the microphone diaphragm A manual CIC can be performed whenever there is no measurement in progress An automatic CIC can be performed at the start and end of a logging measurement Notifications ALARM CONDITIONS CIC failed in addition to those specified for BZ 7130 Weather Data MM 0256 A WEATHER STATION KIT Six parameters Wind Speed Wind Direction Ambient Temperature Ambient Humidity Ambient Pressure Rain Gauge MM 0256 A WEATHER STATION KIT Two parameters Wind Speed Wind Direction CHAPTER 14 Specifications Software Specifications Signal Recording Option BZ 7226 Signal Recording Option BZ 7226 is enabled with a separate license It works with all the software for Type 2250 L Sound Level Meter Frequency Analysis and Logging Software For data storage Signal Recording requires e SD Card All hardware versions e CF Card Hardware versions 1 3 e USB Memory Stick Hardware version 4 RECORDED SIGNAL A B C or Z weighted signal from the measurement transducer AUTOMATIC GAIN CONTROL The average level of the signal is kept within a 40 dB range or the gain can be fixed SAMPLING RATE AND PRE RECORDING The signal is buffered for the pre recording of the signal This allows the beginning of events to be recorded even if they are only detected later Sampling Rate kHz 8 16 24 48 Naximurn es 110 50 30 10 Pre recording s aw 16 bit 64 470 230
32. 1 When you have finished viewing or updating the parameters tap EJ to return to the measurement screen Transducers The Transducers screen is accessed from the Main Menu Eq You can view details of the transducer connected to the analyzer Details can be changed see section 4 5 6 When you have finished viewing or updating the details tap EJ to return to the measurement screen You can tap on the Calibration History link at the bottom of the transducer details and open the Calibration History screen see Fig 4 1 This screen includes the calibration history for the microphone When you have finished viewing or updating the details tap J to return to the Transducers screen Calibration The Calibration screen is accessed from the Main Menu Eq and gives you access to the analyzer s calibration procedure To calibrate the analyzer follow the instructions in the Status Field For more information refer to section 5 2 When you have finished calibrating or viewing the details tap EJ to return to the measurement screen The Calibration tab at the bottom of the calibration screen allows you to perform and monitor the calibration while the Details tab allows you to view the details of the calibration and the calibrator that are being used to calibrate the analyzer While you are viewing the Details tab you can tap on the Calibration History link at the bottom of the calibration details and open the Calibration History screen Fig 4 1 This s
33. 2 Drag the stylus left or right to a position outside the marker range 3 Remove the stylus from the display and a drop down menu appears 4 Select De ete for the marker you want to narrow from the drop down menu The part where the marker overlaps the gap between the two cursors will be deleted To delete a marker 1 Tap and hold the stylus in the profile display at a position to the left of the marker you want to delete 2 Drag the stylus to a position to the right of the marker 3 Remove the stylus from the display and a drop down menu appears 4 Select De ete for the marker you want to delete from the drop down menu 11 4 Saving and Recalling Results Measurements are saved and can be viewed later in the same way as described for the Sound Level Meter Project in Chapters 3 and 6 113 114 Hand held Analyzer 2250 Light User Manual Chapter 12 Signal Recording Optional Signal Recording Option BZ 7226 allows you to record the input signal typically sound in either 16 bit or 24 bit resolution during measurement The signal recording can be controlled manually or by using an external trigger signal The recorded sound can be played back and listened to using the optional Earphones HT 0015 Sound is recorded directly to a memory card With G4 analyzers sound can also be recorded to a USB memory stick The main benefit is that data is documented on site and is therefore ready for post processing and reporting back at
34. 2250 Light User Manual To rename the Project Name Prefix 1 Navigate to the project tap Main Menu Eq gt Explorer 2 Tap the name of the project tapping the icon opens the project immediately 3 Tap Rename and enter the new project name Projects are saved in folders which are called jobs on your analyzer These are similar to folders in the Microsoft Windows filing system Jobs can be created e In the internal memory e Ona Secure Digital SD card e Ona USB memory stick G4 analyzers only e Ona Compact Flash CF card G1 3 analyzers only 6 1 2 Navigating in Jobs A results browser called Explorer is used to navigate through the jobs and projects To view all jobs and projects tap Main Menu Eq gt Explorer or tap the project name on the Measurement screen A screen similar to Fig 6 1 will appear Fig 6 1 EXPLORER The Explorer screen Internal Disk a oF v B Job 01 a dB Project 001 06 10 2006 14 36 dB Project 003 09 10 2006 11 25 Project 004 09 10 2006 11 25 Project 002 09 10 2006 11 27 da Project 005 09 10 2006 11 32 The example in Fig 6 1 displays a list of jobs and then some projects which have not been stored under a job name The topmost line in the status area Jnterna Disk in Fig 6 1 shows the location in the memory The next line in the status area contains 4 icons for navigation 6 2 CHAPTER 6 51 Data Management Tap 3 to go up one level in the job leve
35. Amb Pressure Rainfall Table A 6 Continued Logged broadband parameters Parameter Values Comment Parameter 1 to LXeq This parameter can be set if Broadband Parameter 10 LYeq Parameters Selected LCeq LAeq LAeq T1 mov X frequency weightings A or B LAeq 12 mov controlled by Setup gt Frequency LCeq T1 mov Setti Broadband I Peak t L Ceg T2 mov ettings gt Broadband excl Peak parameter ALeq T1 mov nee ALeg T2 mov Y frequency weightings C or Z LXE controlled by Setup gt Frequency LYE Settings gt Broadband excl Peak parameter LVpeak LXFmax V frequency weightings A B C or Z controlled by LXSmax Setup gt Frequency Settings gt Broadband Peak LXImax parameter LYFmax LYSmax U time weightings F or S LYImax LXFmin controlled by Setup gt Occupational LXSmin Health gt Time Weighting for Lav parameter LXImin LYFmin Q exchange rate 4 5 or 6 dB LYSmin controlled by Setup gt Occupational LYImin Health gt Exchange Rate for Lav parameter LXTeq ae ies f1 Bottom frequency band controlled by LAFTeq Setup gt Frequency Settings gt Bottom F for LAFTeq LAeq Special Leq LavUQ SIL f2 Top frequency band controlled by PSIL Setup gt Frequency Settings gt Top Freq for SILI Special Leq LWeq f1 f2 Overload 151 152 Hand held Analyzer 2250 Light User Manual A 6 Logged Broadband 100 ms Table A 7 Logged broadband 100 ms parameters Parameter Val
36. Deel s2006 11 003 ty 51 19 mv Pa Family Microphone Siy 51 19 mv Pa Deviation from last 0 00 dB Microphone Type Preamplifier User 2250Light Input Top Socket Calibration Type External reference Start Calibration Calibrator Comment 10 2006 13 44 14 18 Capacitance 13 0 pF Calibration History gt 7 ww 125103 Calibration CHAPTER 4 29 Getting to Know Your Analyzer This configuration gives you immediate access to screens you need most that is those you will need to perform save and document your measurements Tapping Main Menu allows you to navigate to e Explorer Setup e Preferences e Transducers e Calibration e Timer Setup In addition the Main Menu also allows you to perform the following actions e Save Template e Lock Keys and Screen Explorer The Explorer screen is accessed by tapping Main Menu E gt Explorer or by tapping the project name and gives you access to the analyzer s Data Project manager This allows you to view the overall project structure including job folders and projects and to view all the individual measurements When you have finished tap J to return to the measurement screen Setup The Setup screen is accessed by tapping Main Menu gt Setup and gives you access to the various setup parameters such as frequency weightings control of the measurement bandwidth statistics and the type of input currently connected You can change these as required see sectio
37. E aA 149 AS Eogged Br oadband sense a a EE a a Ee Thun Eea e aAa Ea aa 150 A 6 Logged Broadband 100 Ms cccccccssccessscccecsececeessececsssesesaececesssececsseececsaeeeceeseeeseseeeceeaas 152 AT Logged Sp ci UME e a a e bounds a a a a aa seas 152 ALS Marketsi aneine nean aese n E ae E E E A E E aae e Ea E EAE PR RE 153 AO eSignal Recorde a a a E a aea a Gass e e E Teed seeded Gate aaa 154 ALTO Occupational Hea A a ae e a ce Shae abc Na EE a sidan Ea 157 Alt FONEG ASSESS MON tisesiecccceiseiieievedecvepdavates a Su EEE E e el oniaes 159 APPENDIX B Measurement Parameters cccccsscccssscccsseccssseccsscccescecceceecnseecsseecesecseessccescesccesceseeseseeeess 161 B 1 Total MEASUPENENT ses is cs cyetes suchas sore odes K anai cece chen AAEE i A E EE A EEE TTT 162 B 2 _ Logg d M ASUrEMENT ececeessssecececsesesasceceecseseeaesecececeesaeseeeesesesssaesesececeessaesecsceeseeaaeeeeees 165 B 3 Logged 100 ms MeasureMe nt ccscccccsssceesssceceessececssseeceessesecessececssseceesassesesaeeeeseeeeees 167 B 4 Instantaneous Measured Parameters available at any time c cccccssecessececeesteeeeeseeees 168 APPENDIX C Analyzer Parameters ccicisicsescccccoccccscdssessscccccocsdadsecesececsdcecccdsdsececddecscesecsesdsdcdsccecccascssbessacdsces C 1 Current Transducer C2 TANS CU CONS eerie o teea cnc EREE ES E cen bv nastss See eaundeseseeue evan EREE EEE REE C3 GCalibratio
38. Eana eaae A eeoa a aKO Nen Aen reia N eenaa ea 40 S4 Calibration Histor Vema eaii EEEE Aiia o aE EER E EA E R Ri EA Ea RE 43 557 MARSAUCEF DataD aSes sic cous dacs cceccecs evvnccnsacdeceernnccguuusceventaneansedecasv us E E AE E EES 43 5 6 Calibration Reminder 3 c ccecsebieceessdascaceedecvennctolhatbesececdusdebochecvuasssabGehbevestevecvunchessensavacdeunnes 45 57 Charg lnjectiom Cal D a O aa a a a aea aaa a aeaaaee Ea A TREE AARRE ARE e EERS 46 CHAPTER 6 Data Manageme O ETAT T TTT 49 6 1 Organizing M aSUreMeNts ccscssscssssscscscsssssecaeaeseecesesesececececeseceseasaeaeseceseeeececeeeseseseeeeesesens 49 6 2 Selecting Default Measurement JOb Path cccccscccssccsssecsseceeseecssecesseecsseceseecsseceeseecsseeeaees 51 6 3 Recalling Measurements ic ctescceevectercbetesicecvenventsnatenvecdesvestactiicwecdesunsctedooddeuunddneaseddenunageeteesse 52 6 4 Measurement Partner ClOU cccccceessececsnceceessececeensececeeeecesseeecseaaececeeeseessaeseceeaaeeseseeeeeees 53 CHAPTER 7 Connection to PC or Smartphone or Measurement Partner Field App sssscsscccsssssssssssseceeseccccsssssssssecesesccecesssssssseseeeseeeossees 7 1 Introd cti N een a e EE ETE EOS 7 2 Transferring Measurement Data to Your PC 7 3 Measurement Partner MP Field App c cccccssscccessseceesseeeeeeees 7 4 Internet Browser for Online Display and Control of the Analyzer CHAPTER 8 Advanced Use of Your Analyzer Tips and
39. G1 3 analyzers only Built in help is provided in the more commonly used languages if your particular language is not covered English will be chosen automatically Select a Keyboard matching the one you prefer when using your PC CHAPTER 8 71 Advanced Use of Your Analyzer Tips and Tricks Select the unit system for Wind Speed Unit Temperature Unit and Dimension Unit as required e Use the S setting for measurement units in accordance with the SI standard for example measuring Wind Speed in m s e Use the US UKsetting for imperial measurement units for example measuring Wind Speed in mph When you have made your choices tap Regional or F to collapse the list 8 1 4 Projects Each time you save the results of a measurement the analyzer suggests a project name and number for the project The Project Name Prefix can be generated automatically from the start date of the project as Year Month Date in the format YYMMDD for example 051112 as 2005 November 12th or you can specify a Project Name Prefix max 8 characters using the standard full character keyboard that pops up when you tap on the current name set as the project name prefix see Fig 8 6 The field where you type in the project name prefix will appear at the top or bottom of the pop up keyboard depending on how many settings you have expanded in the list The project suffix number will be generated automatically Fig 8 6 Projects screen EE
40. Laeq LAFTeq LaFTeq Laeq Time Remaining Lep d Lep d v E Dose Proj Dose VPeaks gt NNNdB VPeaks gt 137dB VPeaks gt 135dB Lypeak TVpeak Lavua TWA TWA DoseUQ Proj DoseUQ Lceq T1 mov max AL LAeq T2 mov max AL Laeq T1 mov max Lceq T2 mov max eq T1 mov max eq T2 mov max Weather Data requires connection to a weather station Wind Dir avg Wind Dir min Wind Dir max Wind Speed avg Wind Speed min Wind Speed max Amb Temperature Amb Humidity Amb Pressure Rainfall Only for Display as Numbers or Quasi analog Bars Lys LxF Ly Lys Lyf Ly Lxs sPL LxF SPL Lyi sPL Lys sPL LyF SPL Lyi SPL Lypeak 1s Lani Or Launa Lanz Or Laun2 Lang Or Laung Lang Or Laung Lans Or Launs Lane Or Laune Lanz OF Laun7 Std Dev Laeq T mov Laeg T2 mov Lceq T1 mov Lceq T2 mov ALeq T1 mov ALeg t2 mov Trig Input Voltage Instantaneous Weather Data Wind Dir Wind Speed Instantaneous GPS Data Latitude Longitude MEASURING RANGES When using Microphone Type 4950 Dynamic Range From typical noise floor to max level for a 1 kHz pure tone signal A weighted 16 4 dB to 140 dB Primary Indicator Range In accordance with IEC 60651 A weighted 23 6 dB to 122 3 dB Linearity Range In accordance with IEC 60804 A weighted 21 5 dB to 140 8 dB Linear Operating Range In accordance with IEC 61672 A weighted 1 kHz 24 9 dB to 139 8 dB C weighted 26 2 dB to 139 8 dB Z weighted 31 6 dB to 139 8 dB Pe
41. Level Difference Middle 0 1 to 100 0 dB Set the required level difference for detecting a tone in the middle frequency range Default is 8 dB Level Difference High 0 1 to 100 0 dB Set the required level difference for detecting a tone in the high frequency range Default is 5 dB 159 160 Hand held Analyzer 2250 Light User Manual Appendix B Measurement Parameters This appendix describes the measurement parameters They are measured in accordance with the setup parameters e Please refer to the Glossary in Appendix E for a description of the parameters The following letters are substituted in the parameters that follow to represent the wide range of frequency weightings time weightings and percentile levels available Y frequency weightings A B C or Z controlled by Setup gt Frequency Settings gt BB Peak parameter X frequency weightings A or B controlled by Setup gt Frequency Settings gt BB excl peak parameter Y frequency weightings C or Z controlled by Setup gt Frequency Settings gt BB excl peak parameter W frequency weightings A B C Z or G controlled by Setup gt Frequency Settings gt Spectrum parameter U time weightings F or S controlled by Setup gt Statistics gt Spectral Statistics based on parameter R time weightings F orS controlled by Setup gt Occupational Health gt Time Weighting for Lav parameter Q exchange rate 4 5 or 6 dB co
42. Manual Connecting a Microphone Extension Cable The optional extension cables that are recommended for use with 2250 Light are e AO 0697 D 030 3 m long e AO 0697 D 100 10 m long Please note Connecting a recommended microphone extension cable has no acoustical effect on the analyzer s measurement and has no effect on calibration However although it is not essential to re calibrate it is good measurement practice to calibrate the whole measurement chain including microphone extension cable before starting a measurement To connect a microphone using an extension cable 1 Gently screw Microphone Type 4950 onto Preamplifier ZC 0032 see items 1 and 2 in Fig 2 1 2 Insert the preamplifier into the female plug of the extension cable and push gently until it snaps into position 3 Insert the male plug of the extension cable into the top socket of the Hand held Analyzer see item 17 in Fig 2 1 and push gently until it snaps into position Mounting the Measurement Microphone on the Microphone Holder and Tripod To mount the microphone and preamplifier combination onto Microphone Holder UA 1317 and Small Tripod UA 0801 1 Set Small Tripod UA 0801 in the required position and adjust to the required height 2 Screw Microphone Holder UA 1317 onto the threaded stud on the tripod ball joint and position the holder as required 3 Push the microphone and preamplifier combination carefully into the microphone holder so that
43. Microphone Type Calibration Check CIC Microphone only For microphone Type 4184 A you can select to check the calibration of the system using CIC or Actuator Actuator for all other microphone types the setting is preset to CIC APPENDIX C Analyzer Parameters C 2 2 Calibration History Table C 3 Calibration history parameters Parameter Values Comment 1 Calibration date amp Time YYYY MM DD hh mm ss Initial 1 Sensitivity Double Initial mV Pa 1 Preamplifier ID No Text string Initial 1 User 2250 Light Initial 1 Input Top Socket Initial 1 Calibration Type External Internal Check Initial 1 Calibrator Serial No Text string Initial 1 Comment Text string Initial 1 2250 Serial No Text string Initial 2 Calibration date amp Time YYYY MM DD hh mm ss 2 Sensitivity Double 2 Preamplifier ID No Text string 2 User 2250 Light 2 Input Top Socket 2 Calibration Type External Internal Check 2 Calibrator Serial No Text string 2 Comment Text string 2 2250 Serial No Text string N Calibration date amp Time YYYY MM DD hh mm ss Current N Sensitivity Double Current N Preamplifier ID No Text string Current N User 2250 Light Current N Input Top Socket Current N Calibration Type External Internal Check Current N Calibrator Serial No Text string Current N Comment Text string Current N 2250 Serial No Text string Cu
44. NC The rating is determined by the SIL value and gets the Classification R for Rumble ifthe spectrum is rich in low frequency sound 16 Hz to 500 Hz the Classification H for Hiss if the spectrum is rich in high frequency sound 1 kHz to 8 kHz or the Classification RV for Vibration and Rattle if the spectrum at low frequencies 16 Hz to 63 Hz is likely to produce audible rattling in lightweight building elements The details of the NCB rating are defined in ANSI 12 2 1995 Noise Rating rates noise levels at public or private indoor areas The rating is determined from 1 1 octave Lzeq spectra compared with NR curves based on equal loudness curves The NR rating is the value of the highest NR curve touched by the measured spectrum The Decisive Band is the frequency band touching the NR curve Defined in ISO R1996 1971 195 196 Hand held Analyzer 2250 Light User Manual Occupational Health Typical Setup Parameter settings for Occupational Health measurements in Standards accordance with various standards e OSHA Occupational Safety and Health Administration 29 CFR 1910 95 e MSHA Mine Safety and Health Administration 30 CFR 62 0 UMHRPEL e DOD Department of Defence DoD Instruction 6055 12 e ACGIH American Conference of Government Industrial Hygienists DHHS Pub 98 126 e ISO UK Noise at Work Regulations SI 1989 1790 amended by SI 1992 2966 and SI 1996 341 See the table below but please also
45. Principles Star Navigation Concept The main principle is that all the main menus are accessible via a single tap of the stylus The Main Menu icon Eq forms the centre of the star navigation concept Fig 4 1 Fig 4 1 The Star navigation concept Traffic Light Brightness High Keyboard BackLight Off Number of Decimal Places i E input Adjust Touch Screen gt Frequency Weightings hal Power Settings Broadband excl Peak Regional Settings Broadband Peak AC Storage Settings Statistics BZ Headphone Settings Measurement Control BC H Printer Settings iu Modem Settings A Occupational Health C gt 11 16 23 11 20 49 SOUND LEVEL METER EXPLORER a Internal Disk ao Ff v B LAF 61 1 dB HNN 30 50 70 2 eq 81 1 d B BB rope 001 06 10 2006 14 36 F SOUND LEVEL METER Start Time 07 05 2009 11 00 00 E Pro 03 09 10 2006 11 25 Preset Time 01 00 00 gerProject 004 09 10 2006 11 25 E Project 002 09 10 2006 11 27 No of Starts 1 di Project 005 09 10 2006 11 32 H Timer 2 Transd used px pi Top S Mount calibrator and press the Start Calibration button below et d l Transducer 4176 123456 2 4176 1234567 Used st van Geek LZF 6 sed at Top Socke Serai No 1234567 INU Name 4176 n 30 50 70 90 110 130 150 Description Free field 1 2 z 06 10 2006 14 00 23 Preamplifier ID No mime
46. Project Template which contains all the screen settings and measurement setup for the current project Tap on the text to open a drop down list containing all the available templates If you make any changes to the setup in a template will appear next to the template name to indicate that the new settings have not been saved Select Save Template from the Main Menu to save the settings in the current template Status Field The area just below the Project Template bar is called the Status Field Depending on the template this field displays status information using up to three lines of text as follows First Line e Path and name of the current project see section 6 1 1 Tap it to open the Explorer To change the path navigate to the desired job path and tap the Vj icon to save this path as the default measurement path As in the project template will appear next to the project name to indicate that the project has not been saved Press the Save pushbutton amp if you want to save the measurement or changed settings Hand held Analyzer 2250 Light User Manual e Smiley if applicable e PC B connected to Measurement Partner Suite BZ 5503 via USB or a network connection LAN connected to a network through an Ethernet cable Wi Fi connected to a network via Wi Fi AR indicates a lost connection Second Line e Measurement state represented as icons Stopped m Running and Paused e Elapsed t
47. Spectrum parameter allows you to choose which spectra to log You can specify to log A None or up to 3 Selected spectra 9 Under Markers you can specify the names of the five available markers The markers are predefined as follows e Marker 1 Exclude controlled by pressing the Back erase pushbutton 2 e Marker 2 Event 1 controlled by pressing the Manual Event 1 pushbutton e Marker 3 Event 2 controlled by pressing the second Manual Event 2 pushbutton e Marker 4 Marker 4 e Marker 5 Marker 5 All markers can be controlled by the stylus in the Profile display You can set a Pre marker Time between 0 and 5 seconds This will start markers 1 2 or 3 the set number of pre marker seconds before the point where the Back erase pushbutton or the Manual Event pushbuttons are pressed See section 11 3 2 10 If you have a license for Signal Recording Option BZ 7226 you can define the settings for recording the signal while logging under the Signal Recording parameters See Chapter 12 for more information 11 If you have a license for Tone Assessment Option BZ 7231 you can define its settings under the Tone Assessment parameters See Chapter 13 for more information Requires 1 1 or 1 3 octave Frequency Analysis Software for 2250 Light BZ 7131 32 107 108 11 2 11 3 Hand held Analyzer 2250 Light User Manual Controlling the Measurement The measurement is controlled in
48. Tricks cccccccssssssssscceesccccncscsssssseseeceeeensseessssees 67 8 1 Setting Your Preferences on the AnalyZer ccccccessseccceesesseseseccceesesssaesececesseeeeceeseeeseeeaeees 67 82 Mod m DYNADNS Settingsi isisscssdccovccossdaues Seveceszasdesecconsees septeasivewsa socndevuseeocnveute SE 72 8 3 N twork SELLING a e e EE a E e a a a vanadate 75 8 4 iNOtIICATIONS 25 i dashes e ea i aena Anes a EAE niet a aE toid Ea A eie aT Ae ES 79 BS E EE AN A RTE E E E E 81 8 6 Connecting to Weather Stations and GPS ReceiverS sesssesssssesssersrsssseerersresrerrrrsessrereesessee 82 8 7 Timers and Automatic Measurements CHAPTER 9 Updating and Upgrading Applications Maintenance Calibration and Troubleshooting ssssssssesssssesssooososssesssseoooosessessssocssssessesse 87 9 1 How to Install New Applications 0 cccccecccccessssscececececsesseaeseecceceeseseseeececsesesaeseseseseeeaeseeees 87 9 2 How to Update Upgrade Applications and Install New Languages ccccccssceesecesseeeeeeens 87 9 3 How to Move a LICENSE tx 05 setenv eielnis Godan a EA a tester ane redone eas 90 9 4 TrOUDIESNO OLIN ia 255 ech a a a tea cece cbun sued esd ecaeaute iat scesecsancdoetaaasaiaurnbe Condensate EEEE 90 9 5 Care Cl aning and Storage smie ies srei Aaaa A aa vos dacodsds a aaea a EEE Edet 96 9 6 Services at Br el amp Kj r for 2250 Light cccccccscesccccessesseseeeeeceesesseaeseeeceseasseseesceeseea
49. Type Settings in Preferences Available Notifications BZ 5503 USB Modem Disabled See section 8 2 BZ 5503 Internet Network Modem GPRS EDGE HSPA Dialup Email browser or GPRS EDGE HSPA Possibly settings in see section 8 4 smartphone with MP modem Modem DynDNS Field App See section 8 2 and 8 3 BZ 5503 Internet Network Modem Disabled Email browser or smartphone with MP Field App Ethernet cable Possibly settings in Modem DynDNS and Network See section 8 2 and 8 3 see section 8 4 BZ 5503 Internet browser or smartphone with MP Field App Network CF WLAN versions 1 3 only Wi Fi dongle or SD WLAN G4 only Modem Disabled Possibly settings in Modem DynDNS and Network See section 8 2 and 8 3 Email see section 8 4 BZ 5503 Internet browser or smartphone with MP Field App Network DSL Modem Router Modem Disabled Possibly settings in Modem DynDNS and Network See section 8 2 and 8 3 Email see section 8 4 Hint 7 2 The online help for BZ 5503 contains additional information on how to connect an analyzer using the different connection types Transferring Measurement Data to Your PC Measurement Partner Suite BZ 5503 is used for communication between your PC and analyzer You can use this software to e Transfer measurement data and templates from the analyzer to your PC and vice versa e View data e Organize data on the analyzer
50. analyzers or item 9 in Fig 2 3 G4 analyzers This slot accepts SD and Secure Digital High Capacity SDHC memory cards and is typically used to save measurement data Capacities up to 32 gigabytes are acceptable Please note G1 3 analyzers have only one SD Card slot G4 analyzers have two slots Input and Output Sockets See items 3 and 5 in Fig 2 3 These sockets are currently not available for use Trigger Input Socket See item 4 in Fig 2 3 This triaxial LEMO connector is used for the external trigger of signal recordings If you want to start and stop the recording using an external device connect it to this input See details in Appendix A Note Signal recording requires a license for the BZ 7226 option LAN Socket With G4 analyzers only see item 10 in Fig 2 3 The LAN Socket provides high speed direct communication with a LAN It is used to synchronize measurement and setup data with a host PC The yellow LED on the right is on when there is a link The green LED on the left blinks when there is activity on the LAN connection 2 4 Hardw Fig 2 4 2250 Light are Setup hardware overview 4950 Microphone UA 0801 Small Tripod or UA 05 AO 0697 D 030 Microphone Ext Cable 3m UA 1317 Microphone Holder 2250 L Hand held Analyzer UA 1651 Y Tripod Extension for Hand held Analyzer UA 0587 Tripod or UA 0801 USB Interface Cable 1 8m either AO 1476 for
51. and Storage Lxeq LxSmax LxFmax LxSmin LxFmin Spectra for Display Only Lys LyF 137 138 Hand held Analyzer 2250 Light User Manual Single Values SIL PSIL SIL3 Lxeqlf1 2 NR NR Decisive Band RC RC Classification NCB NCB Classification NC NC Decisive Band Loudness Loudness Level BZ 7132 only where f1 and f2 are frequency bands in the spectrum MEASURING RANGES When using Microphone Type 4950 BZ 7131 1 1 octave e Dynamic Range From typical noise floor to max level fora pure tone signal at 1 kHz 5 9 to 140 dB e Linear Operating Range In accordance with IEC 61260 lt 22 9 dB to 140 dB BZ 7132 1 octave e Dynamic Range From typical noise floor to max level for a pure tone signal at 1 kHz 1 0 to 140 dB e Linear Operating Range In accordance with IEC 61260 lt 20 1 dB to 140 dB MEASUREMENT DISPLAYS Spectrum One or two spectra superimposed A B and C Z broadband bars Table One or two spectra in tabular form Y axis Range 5 10 20 40 60 80 100 120 140 or 160 dB Auto zoom or auto scale available Cursor Readout of selected band Software Specifications Logging Software for 2250 Light BZ 7133 The specifications for BZ 7133 include the specifications for Sound Level Meter Software for 2250 Light BZ 7130 BZ 7133 adds Logging MEASUREMENTS Measurement data logged at preset periods into files on e SD Card All hardware versions e CF Card Hardware versions 1 3
52. be performed at the same time as the analyzer is being calibrated at Briel amp Kj r This will save you time If any other errors are detected by the technician during calibration repair will be performed before returning the analyzer to you 98 Hand held Analyzer 2250 Light User Manual Repair is available at a fixed price which includes a Conformance Test Certificate upon the return of your analyzer no measurement data included 9 6 7 Rental To ensure optimal uptime you can rent a substitute hand held analyzer while yours is being calibrated To arrange rental please contact your local Briel amp Kj r representative 9 6 8 Training Basic knowledge on sound and vibration measurement analyzer training and application training are a few examples of what local training or consultancy hours can do for you To find out more about training and consultancy hours please contact your local Briel amp Kj r representative Provided that this service is available from your local Briel amp Kj r office 99 Chapter 10 1 1 and 1 3 octave Frequency Analysis Optional Modules The analyzer has two optional Frequency Analysis modules e 1 1 octave Frequency Analysis Software for 2250 Light BZ 7131 enables you to make 1 1 octave measurements and broadband sound level measurements simultaneously e 1 3 octave Frequency Analysis Software for 2250 Light BZ 7132 enables you to make 1 3 octave measurements and broadband so
53. cccccscccccssesssscececeesessesesecececsesesaesecseseseseseseesceesesesseseesceesesaaeeeee aes 117 CHAPTER 13 Tone Assessment Option BZ 7231 1 3 octave Method ssscccccsssssssssssseesceesessnseeeeeeeeees 123 a Ke P GOO ral escies sake cestaccet ahs Lea casa tehceashac5isncetl ake Vaacbucee AAE 123 13 2 Tone Assessment According to ISO 1996 2 Annex D cccccccccceceessssssecececsessaeececessesteaeeeeees 123 13 3 Setting up the AnalyZerivsccccceiseccadecsssivivnstacesss ayes wvcedeces4s a a a Aaa vececvasanacestechowspaslteesosies 125 T34 r M a s rihg e er n aE a serena aeons AEEA Ca E EEEE AE aise 128 13 5 Logging Software BZ 7133 Template cccccccesscccccecsesseeececeessssssesececeeseeeaeeescseseaseeeeeeees 129 13 6 Status Codes Smileys osere seia a erra E a E aeea kai 130 13 7 Recalling Saved Measurements ccceesssecececeesesessececececeessaeseescecseseaaesesceeseaaeseseeseeeeeeaaeees 131 CHAPTER 14 Specifications aa EN SA EAA E E S 133 APPENDIX A Setup PAarAaMEtEl cccceccccscccscsarsccesvccscccessessecnnessenesdseaecconascasesesassesesessonvesconssaceecsncessacssecess 145 Ad UT Sees Sesh aae te ne eena a ce ada asda ea a aap cad aes 145 A 2 Frequency Settings se cares R E E E E cade es lesevenccdeasbcstestcnniussacinsceounesase 147 A3 Statistics ech hccrsteltstensvend n vent seodedensaaglapbexionsens bento eobedens as aubesiomsnd E 148 A A Measurement Control seeriana a a AE ag Eor
54. diffuse or free field The unit is the Sone Loudness Level 10 log2 Loudness 40 The unit is the Phone The Zwicker method of calculation of stationary loudness based on 1 3 octave measurements is described in ISO 532 1975 Method B CPeaks gt 140dB NC NC Decisive Band NCB NCB Classification Rumble Hiss RV NR NR Decisive Band APPENDIX E Glossary The number of 1 s peak sound levels over 140 dB C denotes that the C frequency weighting is used Three peak counters are available one with a user definable value set to 140 dB by default one with 137 dB and one with 135 dB value Used for assessing possible damage to human hearing caused by very high short duration noise levels The European Noise at Work Directive 2003 10 EC defines the following limit and action values Limit Value 140 dB corresponding to 200 Pa Upper Action Value 137 dB corresponding to 140 Pa Lower Action Value 135 dB corresponding to 112 Pa Noise Criteria is used to rate steady state continuous noise in a room from all types of equipment including fans mixing boxes diffusers etc The rating is determined from 1 1 octave Lzeq spectra compared with NC curves based on equal loudness curves The NC rating is the value of the rating curve that falls entirely above the measured data The Decisive Band is the frequency band touching the NC curve Defined in ANSI 12 2 2008 Balanced Noise Criteria is a refinement of
55. dynamic range from max input level and down will be converted to 40 dB and the signal is stored as a 16 bit wav file Set Automatic Gain Control to Off if you need to record calibrated signals or need to analyze the wav file afterwards on a PC Set Resolution to 24 bit recommended to cover the full 120 dB dynamic range from max input level and down or set Resolution to 16 bitand specify the Peak Recording Level To start the recording using an external trigger signal tap Main Menu gt Setup gt Input and specify Trigger Input See details in Appendix A To exit the screen tap EJ 12 2 2 Controlling the Recording The measurement is controlled in the same way you would control a normal logging measurement using Start Pause Continue Reset and Save pushbuttons see Chapter 11 for more details When the measurement signal is being recorded then the Recording icon is displayed in the Status Field The recording is attached to the profile as a Marker 6 Sound If you set Recording Control to Automatic the recording will start when the measurement is started and last for Maximum Duration or Elapsed Time whichever is smallest If you continue a paused measurement then a new recording is started If you set Recording Control to Manual Event the recording will start the first time you press the Manual Event pushbutton during the measurement this starts a Manual Event marker and a Sound marker and stop the second time you pr
56. frequencies In order to account for this weighting filters can be applied when measuring sound The most commonly used weighting is the A weighting which approximates the human ear s response to low medium noise levels 191 192 Hand held Analyzer 2250 Light User Manual Frequency Weighting A C weighting curve is also used particularly when evaluating very loud or low cont LAeq Lxeq T mov and AL eq T mov Lxeq T mov max and ALeq T mov max frequency sounds A Lp dB A 7 Frequency 10 20 50 100 200 500 Ik 2k 5k Tok 20k Hz 000055 Sound Exposure Level sometimes abbreviated SEL and sometimes called Single Event Level isthe Sound Exposure expressed as a level The letter A denotes that the A weighting has been included A widely used noise parameter that calculates a constant level of noise with the same energy content as the varying acoustic noise signal being measured The letter A denotes that the A weighting has been included and eq indicates that an equivalent level has been calculated Hence Laeg is the A weighted equivalent continuous noise level Moving or sliding X weighted average equivalent continuous noise level for the latest T minutes Updated every second during measurement The parameter can be used to monitor the average noise level within T minutes for example to monitor that the noise level during a music e
57. i iA 12 Impulse Time Weighting cccecceecccessesteeeeeees 23 Indicator BriQhtneSs mrii iii 68 Recalibrating c cccccccececssssecececessessseeseeeeeeeees 92 STATUS aeiaai aaie aieiaa naian ena na aidin 34 INGICATON Status ccc cscscatessesscccaccocoaddeconceonvadeducdectenveas 5 Initial Calibration cccceccccccsesssceeececsessetseeeeeeees 97 Input Parameters oo iers aeaa an EE aioa 145 101a A AE A EE E E AAEE T 7 8 10 Trigger e eiieeii aaeain iE iiia iaaa 10 Install Applications ccccesscceceesssssceeeeecsesestseeeeesees Language Licenses New Applications Install Language enssssessesesessesssersrsrsseeerersesseersees Instantaneous GPS Dataliiesccevcccecsessccoseescdvecsessuesseessdveseesscdoteovesss Peak Sound Levels Weather Data ccecccsssccccecesssceseeecessesssaeeeeees Instantaneous GPS Data Parameters 0008 168 203 204 Instantaneous Measured Parameters 25 168 Instantaneous GPS Data cccceeeeeeeeeeeeee 168 Instantaneous Measured Spectra 66 168 Instantaneous Time weighted Sound Levels 168 Instantaneous Weather Data 168 Peak Sound Level aseeseen Sound Pressure Level c ccessescecessteeeeeeeeees 168 Instantaneous Measured Spectra Parameters 168 Instantaneous Time weighted Sound Level PAFAMeteDs snieni ieena i iaa 168 Instantaneous Weather Data Parameters 168 Instrument components e
58. measurement chain to be verified including the microphone the preamplifier the cabling and the analyzer Each verification measurement is compared to an initial reference measurement As the name implies the CIC method injects an internally generated charge into the microphone and preamplifier input circuit and the ratio between the measured signal and the injected signal is measured CIC Ratio see Fig 5 8 The method is based on detection of changes in impedance at the input terminal It was developed for monitoring of microphone channels and requires a preamplifier with a small extremely stable built in capacitor which makes it possible to apply an electrical signal to the preamplifier and microphone input terminal A stable CIC Ratio means a healthy system and assures stable operation of microphone cable preamplifier and the remaining measurement system Charge Injection Calibration Low leakage resistance capacitor C is set in parallel with the microphone and fed with voltage e The ratio e e is constant when g C Cm and C are constant Changes to preamplifier gain g cable parameters microphone capacitance C etc will change e e and hence indicate probable changes in calibration Microphone Preamplifier Cable Generator 25 C s ATG 970294 1 CHAPTER 5 a7 Calibration 5 7 2 Performing a Manual Charge Injection Calibration with the Analyzer Charge Injection Calibration is only avai
59. network Selectable if Set IP Address Manually Preferred DNS The IP address of the primary DNS server 78 Hand held Analyzer 2250 Light User Manual Alternate DNS The IP address of the secondary DNS server MAC Address The Media Access Control MAC Address of the network adaptor LAN or Wi Fi in use MAC Address is a unique identifier assigned to the network adaptor This field is for information only Status The status of the network connection e Operationat the network adaptor can be used for a connection e Non operationat the network adaptor cannot be used Parameters for Wi Fi Only Name Name SSID of the network you want to connect to Update the name either by e entering a name directly or e tapping on Available Networks and selecting a name from the list Please note G4 analyzers will automatically detect the security needed and prompt you fora password Please enter the password for the network If you already are connected to the network you can select to forget the network Available Networks Tap the line to get alist of available networks Tap a name in the list to connect to this network The name is inserted in the Name line above this line Each network name is preceded with Signal Strength information ranging from Exce ent displayed as down to No Signal displayed as no dots at all Security G1 3 Only Select the Security as required by the network Open Shared WPA PSKor WPA2 PSK O
60. of wind speed and wind direction e Weather Station MM 0256 for measurement of wind speed wind direction ambient temperature ambient pressure relative humidity and rainfall A weather station can be connected to the analyzer using USB Adaptor ZH 0698 For Noise Monitoring Terminal Type 3639 A B and C details on how to mount and connect the weather station using Utility Unit ZH 0689 or ZH 0705 please refer to Noise Monitoring Terminal Type 3639 A B and C User Manual BE 1818 When you have connected the Weather Station you can verify the connection by displaying the instantaneous updated parameters Wind Dir and Wind Speed from the Weather group Data from the weather station is automatically obtained during the measurement and saved on data see measurement parameters in Appendix B The measured data can be displayed as parameters from the Weather group CHAPTER 8 83 Advanced Use of Your Analyzer Tips and Tricks Fig 8 7 FREQUENCY ANALYZER 1 3 OCT Data from weather Card Weather station obtained during W 00 00 23 Uncal a measurement and 81 9 dB saved on data 1 1 I 80 100 120 140 LAF POUOOUNOOUADO INNI 20 40 60 Wind Speed avg 0 i m s Wind Dir avg 17 deg Amb Temperature 23 0 C Amb Humidity 27 5 Measurement Mode Manual Maut Broadband SP Autan e 7 a 16 32 04 8 6 2 GPS Receivers The analyzer can be connected to the following GPS receivers e GPS Receiver ZZ 0249 for measur
61. off Resolution of Readings Normal Adjust Touch Screen gt Power Regional Projects Headphones Remote Access Network MP Cloud Notifications Modem DynDNS F You can select the optimum choice of brightness for the traffic light for example High in bright light conditions and Zowin dark conditions and you can select whether to have backlight on the keyboard or not In very bright lighting conditions you will not be able to see the backlight so set it to Offto save some power A link is also provided in Display to adjust the touch sensitive screen Tap Adjust Touch Screen gt to display a full screen with guidance on how to tap on across five times at different places on the screen At the end of the adjustment procedure you can save the values or cancel the adjustment To change the number of decimal places on your dB results readout between 1 and 2 decimal places orto change the number of digits on your engineering units readout between 3 to 4 digits tap Resolution of Readings and set to Norma or Extended as required This setting is for display only and has no effect on the measurement precision or resolution Tap Display or to collapse the list Power The analyzer has an advanced power management function that takes care of supplying the different circuits with adequate power and switches off those circuits that are not in use These power management functions can be changed via Power Fig 8 3
62. or continue with a measurement 10 Status Indicator The red yellow or green lights or LEDs referred to as the Traffic Light either side of the Start Pause pushbutton indicate important states of the analyzer during operation that is measurement stopped paused or running See Chapter 4 for further details 11 amp Save Pushbutton Save measurement results 12 Display Screen A high contrast colour touch sensitive screen 13 H Main Menu Icon Calls up the Main Menu which allows you to navigate immediately to all the main functions of the analyzer such as Setup Explorer or Data browser Preferences and Calibration 14 Power on Pushbutton Turns the analyzer on and off If held in for 1 second the analyzer goes into standby mode if held in for more than 4 seconds it turns the analyzer off 15 Stylus Stored in a holder on the side of the analyzer for use on the touch sensitive screen You can choose to use the stylus or the hardkeys depending on your preference and the measurement situation Also see section 4 5 5 16 Top Socket The microphone input socket for the analyzer The measurement microphone and preamplifier items 1 and 2 respectively are connected directly to this socket For more details see section 2 3 17 Tripod Mounting Thread Mount the analyzer onto the tripod and or tripod extension 8 2 3 2 3 1 Fig 2 2 Hand held Analyzer 2250 Light User Manual 18 Wr
63. post processing software such as Microsoft Excel Check the About screen to see whether you have a license to run this module To access the About screen tap the Help icon gg then tap About See Chapter 9 for instructions on installing licenses If you have purchased your analyzer together with the software application s then the relevant license s comes pre installed If you purchased a separate software application for your analyzer then you have to install the license on the analyzer This is done using BZ 5503 please consult the online help included with the BZ 5503 software for instructions on how to install a license 13 2 Tone Assessment According to ISO 1996 2 Annex D When assessing noise it is generally recognized that noise containing audible pure tones is more annoying than noise with the same A weighted broadband level that does not contain audible tones When assessing noise that contains tones or narrow bands of noise an adjustment shall be added to the A weighted time averaged level Laeg The first evaluation of audible tones in noise is most often carried out by the human ear But for comparative analysis results and documentation an objective analysis may be needed 124 Hand held Analyzer 2250 Light User Manual Tone Assessment can be performed using the ISO 1996 2 2007 standard Determination of environmental noise levels Annex D Objective method for assessing the audibility of tones in noise
64. saved the measurement Fig 3 7 SOUND LEVEL METER Saving your ernal Disk Job 01 Project 002 lt lt measurement gt 00 09 47 i ty LAF LT 30 50 70 90 110 130 150 LAeq 81 6 dB LCpeak 124 1 dB LAF90 0 50 1 dB L Fmax 101 8 dB Measurement Mode Manual Broadband CHAPTER 3 21 Making Your First Measurement 3 3 1 Viewing the Saved Measurement To view the saved measurement 1 Tap the project name or Main Menu gt Explorer 2 Tap the name of your measurement Project 001 in this case and then tap Open Fig 3 8 Alternatively tap the icon to the left of the project name to open and view Fig 3 8 Viewing your Internal Disk measurement in R RA B Explorer dB Project 001 03 12 2013 10 49 a dB Project 002 03 12 2013 10 49 x g b 03 12 2013 10 49 03 12 2013 10 49 _ gt Cut Delete Rename 3 4 Documenting your Measurement You can attach a note with the GPS position requires a GPS receiver connected to the USB socket This can be done before during or after saving the measurement by tapping Main Menu Eq gt Add GPS Note to Cur Measurement If a GPS receiver is connected via USB when you press the Save amp pushbutton then the GPS note is automatically created with the position Remove the GPS receiver after usage to save power Tap the paperclip icon to see the GPS annotation in the project and tap the text icon in the annotation to view the GPS coord
65. the screen The GPS may get a faster fix if connected through a small USB cable delivered together with the GPS If a GPS receiver is connected when data is saved in a project a GPS note is automatically created as an annotation with the GPS information See more details on GPS notes in section 3 4 84 Hand held Analyzer 2250 Light User Manual 8 7 Fig 8 8 Timers and Automatic Measurements Automatic control of the analyzer is available via one or more of the analyzer s timers up to ten The purpose of a timer is to initiate measurements in the absence of an operator Basically a timer will e Switch on the analyzer at a preset time e Load a preselected template e Start a measurement as specified in the template e Stop the measurement after a preset time defined by the Timer Setup Save the measurement e Switch the analyzer off e Repeat the above a preset number of times at preset intervals For a timer to work the analyzer must be in the switched off state A timer will never interrupt the analyzer if it is already in use manually If a switch on time is during the time the analyzer is in use the timer opportunity is lost You can control the analyzer during a timer initiated measurement as long as this does not affect the measurements If you try to change any parameters affecting the measurement you will be warned of this If you persist the analyzer will revert to manual control and timer control ca
66. when the measured signal Automatic Gain Control is set to Off hint e While playing back an annotation you can use the up down navigation keys to 8 1 6 8 2 increase decrease the gain of the annotation e Ifyou do not want to listen to the input signal then set the Listen to Signa parameter to No to economize on power Printers You can make screen dumps on a printer connected to the analyzer using a standard USB cable or on G1 3 analyzers the supplied Adaptor AO 0657 Use Printers to select your preferred printer When a printer has been selected under the Printer Used parameter then the Print Screen command appears in the Main Menu list Use this command to print a screen dump of any screen on the analyzer The printer must either be a mobile thermal printer from AM Tech or Seiko or accept the PCL printer language e MPS Mobile Pro Spectrum a mobile thermal printer from AM Tech www amteq co kr e PCL printers accepting PCL printer language e PCL Inkjet suitable for Inkjet printers and supports colour printing e PCL Laser suitable for laser printers e Seiko DPU DPU S245 or DPU S445 mobile thermal printers from Seiko Instruments www seikoinstruments com PCL is the Printer Control Language developed by Hewlett Packard see www hp com For PCL printers you can use the Top and Left Margin parameters to position the print on the paper and use Width and Height parameters to set the size of the pr
67. 0 min Never Turn off Backlight After 1 min G1 3 analyzers only Select optimum value for how After 2 min long the backlight is dimmed before it is switched off After 5 min After 10 min After 30 min Never Standby After 1 min Select optimum value for on period before the After 2 min analyzer is set automatically to standby After 5 min After 10 min After 30 min Never Ext Power Charge battery only G4 analyzers only The Ext Powersetting determines Switch on and charge whether the analyzer automatically switches on and charges when applied to external power or the analyzer just charges the battery G1 3 analyzers This functionality is determined by a small manual switch at the back of the analyzer Remove the internal battery pack to access the switch Please note If the analyzer is externally powered then the settings will be ignored D 3 Regional Settings Table D 3 Regional settings APPENDIX D Preferences Parameter Values Comment Decimal Point u Select your preferred decimal point Date Separator Select your preferred date separator Date Format yyyy MM dd HH mm ss dd MM yyyy HH mm ss MM dd yyyy HH mm ss yy MM dd hh mm ss XX dd MM yy hh mm ss XX MM dd yy hh mm ss XX Select your preferred date format HH 24 hour hh 12 hour XX AM or PM Time Zone GMT 12 Select the time zone of your region GMT GMT 13 Language English
68. 148 169 Statistics to Calculate eeeeeeeeseeeeerererereres 164 166 Status Elapsed TIME mennie eene ana e i aa 32 Logging sid ecissccs oistacieshenessstocdesssbocversstesbasbedesees 109 V Kel ge a0 s n 32 Overload fecvctenshecesdevevcernevecceSosniivnceed s devnceeveeses 32 POW isc ccs Seuecceccctentedencerseschobuudeeddesvssisessueceddasdeeets 9 UNGal EEE E A AES 32 Status Codes in Tone Assessment Software Stat s Field oipe t a aa Status Indicator Std DeV wo Stopped ICOM near ieai eiiie a dosdennseetes Storage Problems ssssoosseesssssesersesssssee Settings Parameters Storage Settings Parameter Store Pushbutton ssesssesssssessseressesesereessesrsereesssssee Switch On and Charge Setting Switching Off Backlight Switching On Synchronization in Logging eeesseesssssesseereereesee Synchronize with Clock Parameter ssessessseessee 149 T T for LaeqT moy Parameter nssssssssssssssrsssssnsrtesntteent Tcpeak A eee cece eee cece eee cess ease eeeeeeeeeees Temperature Unit Parameter Templates 1 1 octave Frequency Analysis c cccccceeeee 20 1 octave Frequency Analysis cccccseceeees 20 ASTONISKS E EE 20 Changing the Project sesessessesssesssssesreerersresee 17 Delete or Reconfigure essesssssssseerrsrressesrses 95 Logging vevcccedeeceeseteecnentsvecnensseennsesctedtstsdenaaseecne 20 Project Template cccccesececccecsessssee
69. 2 Handling the Analyzer Do not try to remove the microphone grid as you can easily damage the microphone in this way Do not attempt to open the analyzer There are no user serviceable parts inside If you think your analyzer requires service please contact your Br el amp Kj r representative Do not allow the analyzer to get wet Protect the analyzer from impact Do not drop it Transport it in the supplied carrying pouch Cleaning the Analyzer If the analyzer casing becomes dirty then wipe it with a lightly dampened cloth Do not use abrasive cleansers or solvents Do not allow moisture to enter the microphone connectors or casing 9 5 3 Storing the Analyzer Keep the analyzer in a dry place preferably within its carrying pouch For long term storage remove the battery pack Do not exceed storage temperature limits of 25 to 70 C 13 to 158 F CHAPTER 9 97 Updating and Upgrading Applications Maintenance Calibration and Troubleshooting 9 6 Services at Br el amp Kj r for 2250 Light 9 6 1 Accredited Calibration For 2250 Light you can order accredited calibration and choose between DANAK A2LA UKAS Eichamt Austria RVA ENAC NATA and Inmetro For Spain Primitiva is available The calibration will be performed in an ISO 17025 certified laboratory 9 6 2 Initial Calibration To start the measurement history from day one if this is required for example for measurement use in public for customer au
70. 2250 Light User Manual Lcpeak Lcpeak 1s Lep d Lep d v Loudness Loudness Level Maximum peak sound level during a measurement C denotes that the C frequency weighting is used Used for assessing possible damages to human hearing caused by very high short duration noise levels Maximum peak sound level during the latest second is available at any time C denotes that the C frequency weighting is used Used for monitoring the peak levels The Daily Noise Exposure Level is the average A weighted noise exposure level for a nominal 8 hour working day Lep q is also known as Lex gh Lep a is calculated from the measured Lag the setting of Exposure Time and a Reference time of 8 h Used for assessing the noise exposed to a worker during a working day in accordance with ISO standards The European Noise at Work Directive 2003 10 EC defines the following limit and action values Exposure Limit Value 87 dB Upper Exposure Action Value 85 dB Lower Exposure Action Value 80 dB The Daily Noise Exposure Level for a user defined reference period Lep g y is calculated from the measured La and the settings of Exposure Time and Reference Time Used for example for calculating a Weekly Noise Exposure Level by setting the Reference Time to 40 h Loudness is the subjective judgement of intensity of asound by humans Loudness depends upon the sound pressure and frequency of the stimulus and whether the sound field is
71. 270 SDK Software Development kit using a REST interface through HTTP or using an Internet browser supporting JavaScript The connection is password protected Two levels of protection e Guest level for viewing only CHAPTER 14 Specifications e Administrator level for viewing and full control of the analyzer CLOUD Connect to Measurement Partner Cloud on cloud bksv com for transferring data to an archive in the cloud for storage or easy synchronization with Measurement Partner Suite BZ 5503 WIRELESS Specifications apply to Wireless USB Adaptor UL 1050 Operating Frequency 2 4 GHz Data Rate e IEEE 802 11n up to 150 Mbps e IEEE 802 11g up to 54 Mbps e IEEE 802 11b up to 11 Mbps Encryption Authentication e 64 128 bit WEP e WPA PSK e WPA2 PSK Range The range is similar to a standard WLAN unit typically from 10 to 50 m 33 to 164 ft depending on the environment and the number of other WLAN transmitters in the area smartphones Wi Fi etc Power Requirements Power Consumption lt 1 W Software Specifications Sound Level Meter Software for 2250 Light BZ 7130 Conforms with the following National and International Standards e IEC 61672 1 2013 Class 1 e IEC 60651 1979 plus Amendment 1 1993 02 and Amendment 2 2000 10 Type 1 e IEC 60804 2000 10 Type 1 e DIN 45657 1997 07 e ANSI S1 4 1983 plus ANSI S1 4 A 1985 Amendment Type 1 e ANSI 1 43 1997 Type 1 Note The Internation
72. 3 2 cece a T Set Tone Assessment Statistics Measurement Control Signal Recording E Occupational Health Tone Assessment Tone Assessment lt M Tone Standard ISO 1996 2 2007 Adjustment 5 0 dB Low Freq Last Band 125 Hz Middle Freq Last Band 400 Hz Level Difference Low 15 0 dB Level Difference Middle 8 0 dB z Level Difference High 5 0 dB Full 18 55 18 125 126 Hand held Analyzer 2250 Light User Manual 13 3 2 Setting up a Measurement Manually ISO 1996 2 Annex D You can set the division between the Low and Middle frequency range the division between the Middle and High frequency range and the limits for the level differences between adjacent bands see Fig 13 3 You can also refer to Fig 13 1 for a definition of the frequency ranges and level differences Fig 13 3 Left Setting the Low Freq Last Band Output Socket Signal Occupational Health parameter Generator 20 Hz Right Setting the Tone Assessment 25 Hz Level Difference Low Tone Assessment 31 5 Hz parameter Tone Standard 15019 40Hz Adjustment 50 Hz Low Freq Last Band 63 Hz Low Freq Last Ba Middle Freq Last Band 80 Hz Middle Freq Last Level Difference Low 100 Hz Level Difference Level Difference Middle Level Difference High Level Difference Middle Level Difference High 15 07 49 You set the division between the Low Middle frequency range by selecting the required
73. 33 3 ft e BR 1779 Weather Station Field Guide e DB 4364 Weather Station Pole Adapter e KE 4334 Weather Station Carrying Case e QX 0016 Screwdriver e QX 1171 2 5 mm Hex Wrench e UA 1707 A Weather Station Tripod Adaptor e ZH 0689 Weather Station USB Adaptor ANALYZER COMPONENTS ZG 0444 Charger for QB 0061 Battery Pack ZH 0680 Hand Switch for remote control CALIBRATION Type 4231 Sound Calibrator fits in KE 0440 INTERFACING BZ 5503 A Logging Module see Product Data BP 2430 BZ 5503 B Spectrum Module see Product Data BP 2430 Type 7821 Evaluator Light data viewing and calculation software Type 7825 Protector calculation software of personal noise exposure 141 142 UL 1016 UL 1019 UL 0250 10 100 Ethernet CF Card for hardware versions 1 3 CF WLAN Card for Hand held Analyzers for hardware versions 1 3 USB to RS 232 Converter for hardware version 4 Service Products MAINTENANCE 2250 L EW1 Extended Warranty one year extension Hand held Analyzer 2250 Light User Manual 2250 L MU1 Upgrade of 2250 Light to Type 2250 performed at headquarters ACCREDITED CALIBRATION 2250 CAl 2250 CAF 2250 CTF 2250 TCF Accredited Initial Calibration of Type 2250 Accredited Calibration of Type 2250 Traceable Calibration of Type 2250 Conformance Test of Type 2250 with certificate Compliance with Environmental Standards CHAPTER 14 Specifications CE
74. A number of different languages are available for your 2250 Light G1 3 analyzers Select your preferred language if it is not on the list then it might be available for installation using BZ 5503 G4 analyzers All languages are installed Keyboard United Kingdom 33 different keyboards Select your preferred keyboard Wind Speed Unit SI or US UK Select SI for m s or US UK for mph Temperature Unit SI or US UK Select SI for C or US UK for F Dimension Unit SI or US UK Select SI for m or US UK for ft 177 178 Hand held Analyzer 2250 Light User Manual D 4 Storage Settings Table D 4 Storage settings Parameter Values Comment Auto naming of Projects Yes Select Yesfor automatically naming projects No from the project start date as Year Month Date in the format YYMMDD for example 051112 as 2005 November 12th or Vo for using the name defined in the Project Name Prefix parameter Project Name Prefix Text string Prefix for automatically generated project name Maximum 8 characters D 5 Headphone Settings Table D 5 Headphone settings Parameter Values Comment Listen to signal No You can listen to the input signal for Input X weighted monitoring purposes Input C weighted Select one of the A weighted B weighted C weighted or Z weighted signals Input Z weighted Please note e The frequency weighting of the signal you listen to can be selected inde
75. B or 113 85 dB For diffuse or pressure field types the calibration level is either 94 dB or 114 dB The calibration process automatically determines the correct level e Calibrator Serial Number Type in the serial number for your calibrator The calibrator will be documented in the calibration history CHAPTER 5 43 Calibration 5 4 Calibration History To view calibration history tap Ca ibration History gt on the Calibration Details screen Fig 5 2 The analyzer saves the last 20 calibrations plus initial calibration which can be viewed on the Calibration History screen Fig 5 3 Tap EJ to return to the calibration details screen tap EJ again to return to the Measurement screen Fig 5 3 CALIBRATION HISTORY Calibration History Transducer 4950 1234567 Screen Used at Top Socket Date Deviation from init 03 12 2013 12 37 0 00 dB a Time 03 12 2013 12 37 30 Sensitivity 51 2 mV Pa Preamplifier User 2250Light Input Top Socket Calibration Type External reference Calibrator Comment E 03 12 2013 12 36 0 20 dB 5 5 Transducer Database The specifications for Microphone Type 4950 and Preamplifier ZC 0032 which comes fitted in the top socket of the analyzer are described in a transducer database 1 To open the Transducer Database screen Fig 5 4 tap Main Menu gt Transducers Fig 5 4 TRANSDUCERS Ix Transducer Database Transducer 4950 1234567 screen ox ee Top Socke
76. Calibration E mail Notifications Email Notifications ccccceccceeeeees E mail Settings Parameters cccsesseeceeeeeeeees Entering Ai Charat sec cceetevs cdeces coeeencte dade iiei iia 36 Number ar seve ssinvces Cons a 36 Equivalent Continuous Sound Level 0000e 24 Parameters minois e enaiis 162 165 Ethernet Cable miraion eeri unten 76 Ethernet CF Card UL 1016 oo eee ee eee 73 76 Ethernet Interface cccccsscscecsesssssceeeeeceesssseaeees 75 Evaluator Type 7820 ou ccccsscccccecessseeeeeeeeeeenees 27 59 Event Marker soriire iiiki iiti erisia 111 EVENTS 25st ssvcceectives caiosseen dries a Aa Aaea Aaaa SRE 107 Exchange Rate esiones eiee iaeei a SES 191 Exchange Rate for Lav Parameter cccccccseseees 158 Exclude Eventar ieie aaike iiia e 118 Exclude Marker scscsssssssssssssserecereeeeeeeeees 111 112 EXDIOrET oieee aire aaia 29 50 52 Exposure TIME ccceeeeeeeseseseseseseeeseeeaeeeeeeeaeneees 191 Exposure Time Parameter cccsesssssssssssrsrereeeees 157 Ext POWE neesi stdeievdeevevelonchssevdus un ai ea eea iens 68 Ext Power Parameter ccccssesssssessssessenseanaes 176 Ext Power Setting cccccsssssssssssrsrseeseeseeaeaeaeees 70 Extended Microphone cc ccccccecsssssecececeesesteaeees 13 EXterislon Cable nanne ien ene 14 External DeVICES mesier eneh iaa ash 8 SE AA N A EE AT 116 External Power Indi
77. Comment Power On When analyzer is Indicates start from a timer or a power failure or switched on or reboots unexpected behaviour Measurement When a measurement Indicates measurement finished or unexpected State starts or stops behaviour CIC When Charge Injection Indicates possible measurement problem Calibration fails Internal Battery When Internal Battery is Indicates internal battery getting low Internal entering a specified Battery will be in one of the states Full High Low state High Low or Critical Charging or Unknown You can set alarm to Critical High Low or Critica in Preferences gt Notification Settings gt Alarm Settings gt Internal Battery Please note The internal battery will typically be in one of the states Fu or Charging if externally powered Entering one of the set states might then indicate a power failure Disk Space When remaining disk Indicates disk space getting low needs to be space dropstoorbelow swapped with an empty disk Set the percentage in a specified percentage Preferences gt Notification Settings gt Alarm of the total disk space Settings gt Disk Space 80 Hand held Analyzer 2250 Light User Manual Table 8 2 Content of notification Information Type Content Reason for notification Test Alarm or Status followed by a short description Time of notification Date and Time Instrument ID Serial No and Location
78. Denmark For service and support contact your nearest Bruel amp Kj r Customer Care support team Headquarters info bksv com 45 7741 2400 China Beijing 86 10 59935811 France service fr bksv com 33 1 69 90 71 02 Germany bkservice de bksv com 49 421 17 870 Italy it info bksv com 39 02 5768061 Japan info_jp bksv com 81 3 6810 3500 North amp South America bkservice bksv com 1 770 209 6907 Spain servicio tecnico bksv com 34 91 659 08 20 UK amp Ireland ukservice bksv com 44 1223 389800 Go to www bksv com contact for contact information to our other global offices Contents CHAPTER 1 INTFOAUCTION iiieevciecsdscndietesiescac ccccnedeescsuevecdccdevoensecunnccccsbendssesteSecececessdesssaaeeseecseesscsSaseavencseecsteses 1 F Welmer re e Aa sea dec otek A ts Ages e a edd ae ten E ea a ie leeds Ds Sete R 1 1 2 How toUs thisMan al saen eren e eaten A Ae A A EES EAEE 1 CHAPTER 2 Assembling Your Analyzer seessssssssssesssssseoososssesssssoosooosssssssssososssesessssoooeosessssssooseosesesesssoeess 3 2 1 Determining Your Hardware Version 2 2 Analyzer COMPONENMS cccccccesssssteeeeeeserees 2 3 Analyzer Inputs Outputs 2 4 Hardware Setup ccccccsesseceees 2 5 Assembling the Analyze feens neeaaea aana E a E AEE i Ea eKA saiia CHAPTER 3 Making Your First Measurement sssssssssssssssssooooossssssssseooooosssssssssoocosssssssssoooossssessssssoseess 15 3 1
79. EC 320 BATTERY PACK Rechargeable Li lon battery Part No QB 0061 Voltage 3 7 V Capacity 5200 mAh nominal Hand held Analyzer 2250 Light User Manual Typical Operating Time gt 11 h screen backlight dimmed gt 10 h full screen backlight Use of external interfaces LAN USB Wi Fi will decrease battery operating time Connecting a weather station or a GPS receiver can decrease battery operating with up to 20 Connecting Wireless Adaptor UL 1050 can decrease battery operating time up to 35 Battery Cycle Life gt 500 complete charge discharge cycles Battery Indicator Remaining battery capacity and expected working time may be read out in and time Battery Fuel Gauge The battery is equipped with a built in fuel gauge which continuously measures and stores the actual battery capacity in the battery unit Charge Time In analyzer typically 10 hours from empty at ambient temperatures below 30 C 86 F To protect the battery charging will be terminated completely at ambient temperatures above 40 C 104 F At 30 to 40 C charging time will be prolonged With External Charger ZG 0444 optional accessory typically five hours Note It is not recommended to charge the battery at temperatures below0 C 32 F or over 50 C 122 F Doing this will reduce battery lifetime CLOCK Back up battery powered clock Drift lt 0 45 s per 24 hour period Storage INTERNAL FLASH RAM NON VOLATILE 512 Mbyte for us
80. EH ana Alt Alt gr ctl Project Name Prefix Headphones Remote Access Network MP Cloud Notifications Modem DynDNS NMT Server Printers A 8 1 5 Headphones Headphones allows you to control the output to the headphone socket on the connector panel You can listen to the measured signal for monitoring purposes Select between A B weighted C weighted or Z weighted A B weighting is determined by setting the parameter in Setup gt Frequency Settings gt Broadband excl peak The measured signal covers approximately 120 dB from approximately 20 dB to 140 dB witha Type 4950 microphone of nominal sensitivity The output of the headphone socket covers approximately 75 dB Use the gain settings for the measured signal to adjust the output level to Hand held Analyzer 2250 Light User Manual suit the listening conditions If the signal has a very high dynamic range or the levels are unknown you can set Automatic Gain Control to On this will convert the 120 dB input range to 40 dB output range enabling you to hear signals of any level clearly Gain settings are provided for the measured signal Tap the gain parameter and use the keypad to enter a new setting Use to assign the new value for immediate response at the output or use the up down navigation keys to increment decrement the value Please note A 0 dB gain on the measurement signal means you get a1 V output for a 1 V input
81. ES U 1001 B10 and ES U 1001 A from EasySync www easysync Itd com e USB to RS232 Standard USB to RS232 Professional and USB to RS232 Mini STD from U S Converters www usconverters com For G1 3 analyzers use a CompactFlash to serial converter inserted in the CompactFlash slot of the analyzer Serial I O CF Card Ruggedized from Socket www socketmobile com has been tested CompactFlash Modems for G1 3 Analyzers Compact GPRS from Pretec www pretec com has been tested CompactFlash modems can be inserted directly in the CompactFlash socket of the analyzer 8 2 3 DynDNS If the analyzer is connected to the Internet through a GPRS EDGE HSPA modem or a local network with access to the Internet through a DSL modem router and you want to connect to the analyzer from a place outside the local network then you need to know CHAPTER 8 75 Advanced Use of Your Analyzer Tips and Tricks e Global IP address of the analyzer or e The global IP address of the DSL modem router and ensure that correct port forwarding in has been set the router see details in the online help for BZ 5503 In some cases the global IP address is static and will never change so you connect to the analyzer using BZ 5503 or an Internet browser by using this IP address Normally when you browse to addresses using an Internet Browser you do not use the IP address itself but a hostname for it for example you would use the hostname www google com i
82. F broadband parameter Lyp or xs each 10 ms or Lxeq LXS each second Please note X frequency weighting A or B A requires that the Broadband excl Peak parameter is set to AC or AZ B requires that the Broadband excl Peak parameter is set to BC or BZ Percentile N1 0 1 to 99 9 User defined percentile level where the value of Lyy1 is exceeded for N1 of the elapsed time Percentile N2 0 1 to 99 9 User defined percentile level where the value of Ly is exceeded for N2 of the elapsed time Percentile N3 0 1 to 99 9 User defined percentile level where the value of Lyy3 is exceeded for N3 of the elapsed time Percentile N4 0 1 to 99 9 User defined percentile level where the value of Lyy4 is exceeded for N4 of the elapsed time Percentile N5 0 1 to 99 9 User defined percentile level where the value of Lyys is exceeded for N5 of the elapsed time Percentile N6 0 1 to 99 9 User defined percentile level where the value of Lyng is exceeded for N6 of the elapsed time Percentile N7 0 1 to 99 9 User defined percentile level where the value of Lyy7is exceeded for N7 of the elapsed time The percentile levels N1 to N7 can be changed after the measurement has been done APPENDIX A Setup Parameters A 4 Measurement Control Table A 5 Measurement contro parameters Parameter Values Comment Measurement Mode Manual Determines whether the measurement is under Manual control Automatic fully controlled by t
83. H OX The CE marking is the manufacturer s declaration that the product meets the requirements of the applicable EU directives RCM mark indicates compliance with applicable ACMA technical standards that is for telecommunications radio communications EMC and EME _ China RoHS mark indicates compliance with administrative measures on the control of pollution caused by electronic information products according to the Ministry of Information Industries of the People s Republic of China WEEE mark indicates compliance with the EU WEEE Directive Safety EN IEC 61010 1 ANSI UL 61010 1 and CSA C22 2 No 1010 1 Safety requirements for electrical equipment for measurement control and laboratory use EMC Emission EN IEC 61000 6 3 Generic emission standard for residential commercial and light industrial environments EN IEC 61326 Electrical equipment for measurement control and laboratory use EMC requirements CISPR 22 Radio disturbance characteristics of information technology equipment Class B Limits IEC 61672 1 IEC 61260 IEC 60651 and IEC 60804 Instrumentation standards Note The above is only guaranteed using accessories listed in this Product Data EMC Immunity EN IEC 61000 6 2 Generic standard Immunity for industrial environments EN IEC 61326 Electrical equipment for measurement control and laboratory use EMC requirements IEC 61672 1 IEC 61260 IEC 60651 and IEC 60804 Instrumentation standa
84. HW v 1 3 or AO 1494 for HW v 4 IR HT 0015 Earphones optional CHAPTER 2 Assembling Your Analyzer UA 0237 90 mm Windscreen 4231 m Sound Y Calibrator ZC 0032 Microphone Preamplifier AO 0697 D 100 Microphone Ext Cable 10m UL 1050 Wi Fi Dongle for Hand held Analyzer lt 3 KE 0441 BZ 5298 Protective Environmental Cover Be OOS rn er Software CD incl Measurement Partner UA 1654 5 extra Styli QB 0061 Rechargeable Battery Pack FB 0691 Hinged Cover DH 0696 for Hand held Wrist Strap Analyzer poe ier eee eee Optional Accessories 1 UA 1673 Adaptor for ae Standard fi rr i Tripod Mount or i and Accessories UL 1009 l Industrial Grade i SD Memory Card l for Hand held i Analyzer i l ZG 0426 or ZG 0429 Mains Power Supply ZG 0444 ae Battery mo Charger for QB 0061 060195 7 fom 2 5 2 5 1 2 5 2 Hand held Analyzer 2250 Light User Manual Assembling the Analyzer Charging the Battery for the First Time Battery Pack QB 0061 comes charged to approximately half capacity on initial delivery Fully charge the battery pack before assembling the analyzer for the first time Connect Mains Power Supply ZG 0426 to the external power socket It should take 8 to 10 hours On G1 3 analyzers the battery charge indicator shows a steady green light when external power is ap
85. ICON risiini E i 87 Abo t MENU er enn erne e et eai EGR 3 About the Analyzer seseesssssssseesssrssssssrsereessssrersesee 26 Accept Pushbutton sssssesessseseeesersesseererrressesrsee 5 35 Accredited Calibration eesseseseseresesrsesesesese 45 97 ACOUSTIC Calibration ccccccccccceesssesceeececeesssteaeees 39 Adaptor AO 0657 o cceccccccccccessesssseseeseessesssaeees 8 72 Adaptor for Standard Tripod c cccccsssssseceeeeeenes 6 Add New Timer ICON cccscccccceceesssseceeececeesesteaeees 84 ao o Baa TE a EE E 84 Adjust Gain of Annotation esseesesssseessseressesrsereese 72 Alarm Settings Parameters cccccssceccessssseeees 185 AIM EVENTS nii a ie e aasia 118 Alternative Measurement Method 000000 13 Analyzer PD OUP foie E E A E 26 Advanced USE enet iiaii iii iiia 67 Cleaning eeo n a t aaia Connect to BZ 5503 Connect via DynDNS Connect via LAN Connect via Modem Control via Internet Cover saisies Description Downgrade Software ccccccccccccssssssteeeeceseeees 89 Handling Instructions ccccccccecsssseeeeeeeeeees 96 Inputs ANd Outputs cee cccessessseeeeeeecsseeeees 6 MICO PRONE earet e oinn een Eai cotetecs 5 Mounting onto Tripod ccccceeseseseeeeeeeeeees 13 PreampliheT aerae eseat deccantedeedestoteenecedee 5 Reinstall Software seessessssssssseersssesrrsserrrssrs 95 Reset to Default erreneren 7 9 93 Set up for Internet Connection
86. Lceq T mov LAeg T mov The Lxeq T mov is not stored with the total data but can be logged BZ 7224 and BZ 7225 The Lpegt mov max LCeq T mov max and the difference between the C and A weighted values for the complete measurement period are stored Please note There are two sets of these parameters allowing two simultaneous moving averages for example one with 15 min averaging time and one with 1 hour averaging time 149 150 Hand held Analyzer 2250 Light User Manual Table A 5 Continued Measurement control parameters Calibration t Parameter Values Comment Charge Injection On Set to On for making a CIC at the start and end of Logging An Off Exclude marker is set on the profile and 7ota parameters are not updated during the CIC For Sound Level Meter BZ 7130 and 1 1 octave and 1 3 octave Frequency Analyzer BZ 7131 and BZ 7132 templates only For Logging BZ 7133 templates only A 5 Logged Broadband Table A 6 Logged broadband parameters Parameter Values Comment Full Statistics Yes Determines whether the full broadband statistics are No logged or not Broadband Parameters All Determines whether all broadband parameters are Selected logged or a selected part is logged up to 10 parameters APPENDIX A Setup Parameters Wind Dir avg Wind Dir min Wind Dir max Wind Speed avg Wind Speed min Wind Speed max Amb Temperature Amb Humidity
87. MS to the active phone numbers when any of the alarm conditions are met or if the analyzer receives an Info SMS You can test the system by tapping on Main Menu FE gt Send Notification via SMS Please note e Two to three text messages will be used to send the complete notification depending on the content and language settings CHAPTER 8 81 Advanced Use of Your Analyzer Tips and Tricks e Text messages cannot be sent or received while the analyzer is connected to BZ 5503 or displayed online 8 4 3 Email Notifications Email notifications can be used if the analyzer is connected to a network with access to a mail server This can typically be done if the analyzer is connected through LAN or by a GPRS EDGE HSPA serial modem see section 8 2 2 and section 8 3 Go to Preferences gt Notifications gt E mail and set up details for the e mail account under the To parameter The details consist of the SMTP server name the SMTP Port used whether SSL TLS is required or not the Account the User Name and Password for the account please consult section D 10 and your email provider for more details Set Notification to mai and a notification will be sent by email when any of the alarm conditions are met You can test the system by tapping on Main Menu gt Send Notification via E mail Example of email Subject E mail from 2479719 Abbey Road Test Manual e mail Test Manual e mail 29 04 2009 12 51 16 Instrumen
88. Navigation e Explorer c00000 Pushbuttons NG ereite iii NC Decisive Band NE e E E E EE Classification Network CONNECTION iseiti ieie ii aieiaa Settings Settings Parameters Next Calibration Date NMT Server Settings Noise Curve Noise Dose Dose DoseS5 Noise Parameters Nominal Sensitivity Notifications NR Decisive Band Number of Decimal Places Number of Peaks CPeaks gt 140 dB Numbers Increment or Decrement Keyboard eenei iee ie ne E E ae iiia 36 o Occupational Health Parameters Decii ioiei aiin i ees 157 Standards Speen re ai a 196 Online Display ccceccccccceesessceceeeceesessseeeeeeeeeees 62 Organizing Measurements n se 49 Output Socket aneian rii e i aa 7 10 Overload Icon Overview Hardware Logging Options Profile P Parameters Calibration Setup Current Transducer Display Settings cc 000 Frequency Weighting Headphone Settings Input Instantaneous Instrument Logged 100ms Measurements Logged Measurements Measurement Measurement Control Microphone cccccccccceceseseeees Modem DynDNS Settings Noise Power Settings Preferences Printer Settings ccceeeee Processed for Display Regional Settings cccccccccecsesssseeeeeeeesenes Relationship between Setup and Measurement 0 eceeseeeececeeeceesseeeeeeeeeeeeees 169 Selecting Setup Storage Settings cccccccccccccece
89. POINT ANd SHOOU EEA EE AE A AAE A A wavsaoage 15 3 2 Making a Measurement G creerse e a A E EE E A e raet 16 3 3 Save VOUr Me sureMEntoco ei aeir a a aR e E A EE aE EAE E R St 20 3 4 Documenting your Measurement ccccccccececececececececececeseceeeeeeeeeeeeeeeeeeeeceeeeeeseseesceseseseseseeess 21 3 9 SSWITCHING Offres a e a a a aa aa ea a EE 22 CHAPTER 4 Getting to Know Your Analyzer sssssssssssssessssoooooosesesssssoocosssssssssoooosssesssssssoooossssessssosossssssess 23 4 1 What is a Sound Level Meter cccccccssssceceeseeccsseeeceeseeeceeaaececeeeeeceaeeeceeaaecesneeeceeaeeeseenaeess 23 4 2 What is the Hand held Analyzer c ccccccccsssssssecccecsesssssecececseseseeeeceeeceesesasaeseeseseseeeaeseesesee 24 4 3 B tan Hee E e a i E G e O E A Ea 26 4 4 What is Measurement Partner Suite BZ 5503 cccsssecesssececeeeeeceeseeeeceeuececeeeeeceesaeeeeeeaaes 27 4 5 Basic Principles when Using 2250 Light ccccssscccceceesessscecececeeseeseeceeceeeeaeeeeeceseseaeseeees 28 CHAPTER 5 CaliD ration seicsc iss csevsiec scsesscocsussccctuntesscccesssdesceasssesecesssdscdsabesscoaees sdsceanssobededeedsestesesscesesess naeesee 39 5 1 IATO CU CTION wickcrercclieiceccee sae cbse cieeceee ey iia etn A EA A nase ben aan AEA AEE EA EEEREN EER 39 5 2 Calibration TY Pes csicsce ssccees eadeacsee cvece cvabees Sew lee i Valeo boas scence oblua beet bededs aii aaa aas 39 523 Sound Level Calibrations sanean eae aee
90. Type 7825 PSIE sp iiir ie PULSE Multi analyzer ssosnssessesessesssersesseseeersrsessee Pushbuttons NEE I E AE A O E S Back erase Controlling the Measurement Create Markers LOCKING aere a e earr ii aea Manual Eventer geien ae e 5 Manual Event 2 cccccccccccccssssceeecessesssteeeeeesees 5 NAVIGATION ccccecececcccccececccecececceecececeseeeseeees 5 34 PowerON eree ae Aw en ee 5 Reset Measurement cesesescececeeeeeeeeeeees 5 33 SAVE aeee cca ick aine aa ahii eee 20 34 Statt Pause cgcaiscccecsesechsvscdeceusrcatateccecs 5 17 33 STONE E EE vive sn eee See abet ves chen nser betas easeeenes 5 I E AEE E AE AE EE T E EEE 33 Q Qualifier Light Type 7831 ou eccccceeccceceesesteaeees 59 Quality Indicators in Tone Assessment Software c ccccccceeeeeees 130 Quick Start Guide woo ceeceesssteeeeeeeceessreaeees 15 R K EEE E AA A A E E 103 RC ClaSSitiGatiOn i a r a o e a 197 RC Parameter D finition eses nan a a a hes 197 Recalibration of Charge Indicator cccesseeeees 92 Recalling Measurements cccsescecececeesesteaeeeeees 52 Reconfigure Templates WISGRS gerisin ga eenas i Recorded Signal Parameter Recording Control with Logging with Stylus oo eeeseeeeeeeeeeeee Recording Control Parameter Recording Icon Recording Quality Recording Quality Parameter Recording Signals sssini Reference Spectrum Icon Reference Time Referen
91. UL 1050 Wireless USB A M Adaptor 802 11 B G N Type 2250 L D20 Type 2250 L D30 Type 2250 L D40 Type 2250 L D50 Software and Accessories Available Separately SOFTWARE MODULES BZ 7131 1 1 octave Frequency Analysis Software for 2250 Light BZ 7132 1 octave Frequency Analysis Software for 2250 Light BZ 7133 Logging Software for 2250 Light BZ 7226 Signal Recording Option BZ 7231 Tone Assessment Option MEASURING Type 3535 A All weather Case see Product Data BP 2251 Microphone Extension Cable 10 pin LEMO 3 m 10 ft AO 0697 D 030 CHAPTER 14 Specifications AO 0697 D 100 Microphone Extension Cable 10 pin LEMO 10 m 33 ft KE 0440 Travel Bag HT 0015 Earphones UA 0254 90 mm dia Windscreens 6 pack of UA 0237 UA 0587 Tripod UA 0801 Small Tripod UA 1317 Microphone Holder UA 1651 Tripod Extension for Hand held Analyzer UL 1009 SD Memory Card for Hand held Analyzers UL 1013 CF Memory Card for Hand held Analyzers for hardware versions 1 3 UL 1017 SDHC Memory Card for Hand held Analyzers UA 1673 Adaptor for Standard Tripod Mount UA 1251 Lightweight Tripod UA 1654 5 Extra Styli MM 0256 A Weather Station Kit MM 0316 A Weather Station Kit Included with MM 0256 A or MM 0316 A e MM 0256 002 Six Parameter Weather Station and mounting kit e MM 0316 002 Two Parameter Weather Station and mounting kit e AO 0657 USB Cable e AO 0659 Cable M12 8 pin F to Lemo 1 B 8 pin M 10 m
92. USER MANUAL Hand held Analyzer 2250 Light With Sound Level Meter Software BZ 7130 1 1 oct Frequency Analysis Software BZ 7131 1 3 oct Frequency Analysis Software BZ 7132 Logging Software BZ 7133 Signal Recording Option BZ 7226 and Tone Assessment Option BZ 7231 BE 1766 24 English ni a ES Bruel amp Kj r Hand held Analyzer 2250 Light Sound Level Meter Software BZ 7130 1 1 oct Frequency Analysis Software BZ 7131 1 3 oct Frequency Analysis Software BZ 7132 Logging Software BZ 7133 Signal Recording Option BZ 7226 Tone Assessment Option BZ 7231 User Manual Valid for all hardware versions and from software versions 4 5 BE 1766 24 July 2015 www bksv com Health and Safety Considerations This apparatus has been designed and tested in accordance with IEC EN61010 1 and ANSI UL61010 1 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use This manual contains information and warnings which must be followed to ensure safe operation and to retain the apparatus in safe condition Safety Symbols and Signal Words Used A The apparatus will be marked with this symbol when it is important that you refer to the associated danger or warning statement given in this manual The manual uses this symbol when a danger or warning statement is applicable Hazardous Voltage Electricity Both the apparatus and manual use this symbol when there is a risk for shock or electrocution Hot Su
93. Wi Fi Network via USB G4 Only Insert Wi Fi dongle UL 1050 into the standard USB Type A socket item 11 Fig 2 3 on the analyzer to connect to Wi Fi network See section 8 3 1 for more information Connect to a Printer or External Device via USB For G1 3 analyzers use the supplied Adaptor AO 0657 to connect to a printer that supports PCL language via the USB socket For G4 analyzers use the standard USB Type A socket item 11 in Fig 2 3 on the analyzer to connect to printers or other external USB devices See section 8 1 6 for more information printer setup CHAPTER 2 9 Assembling Your Analyzer Earphone Socket See item 2 in Fig 2 2 G1 3 analyzers or Fig 2 3 G4 analyzers Connect a set of headphones earphones using a 3 5 mm minijack earphone socket for reviewing recorded comments or for monitoring the measured sound Use optional Earphones HT 0015 External Power See item 3 in Fig 2 2 G1 3 analyzers or item 6 in Fig 2 3 G4 analyzers The analyzer is powered by an internal rechargeable battery pack An indication of available charge is shown by the battery icon Jj at the bottom of the screen If the charge remaining is low or empty the batteries can be recharged by connecting Mains Power Supply ZG 0426 or ZG 0429 to the Ext Power socket When the power supply lead is connected the iconwill be displayed in place of the battery icon A Warning Do not disassemble or expose battery pack to fire or w
94. Y ANALYZER CF Card pk tone s bk 005 8 W 00 00 00 ef LAF min at 1 25 kHz Tone Pr in 140 1 INFORMATION Settings differ from the tone standard settings Reset to tone 100 4 6047 standard settings O Do not ask again Spectrum 13 1 To measure with the settings you set up manually tap the Cancel button Table 13 1 Default parameters used by the automatic measurement setup check Please note Setup Parameter Default Value Standard ISO 1996 2 Annex D Adjustment 3 dB Last band in low frequency range 125 Hz Last band in middle frequency range 400 Hz Level difference low 15 dB Level difference middle 8 dB Level difference high 5 dB Even if you have set the Tone Assessment to On Setup screen the calculation is not carried out until the Tone parameter is selected above the spectrum 127 128 Hand held Analyzer 2250 Light User Manual 13 3 4 Signal Recording If a valid license for the Signal Recording Option BZ 7226 is present it is possible to record the sound while measuring Refer to Chapter 12 for information about the Signal Recording Option Please note When signal recordings are to be used for re analysis on a PC be sure to set Automatic Gain Control parameter to Off under the Signal Recording parameters and set the Recording Quality parameter to High and Resolution to 24 bit 13 4 Measuring 13 4 1 Result Display Tone assessmen
95. a comprehensive list of all parameters Sound Level Meter Software for 2250 Light BZ 7130 incorporates a simple user interface that is easy to learn and uses intuitive data storage and recall Comprehensive security features mean no loss of data even on accidental power off Sound Level Meter Software for 2250 Light BZ 7130 also provides connectivity between your PC and other sound analysis software 4 2 2 Frequency Analysis Software 1 1 octave Frequency Analysis Software for 2250 Light BZ 7131 This software module allows real time frequency measurements in 1 1 octave bands making it a simple matter to for example select suitable hearing protection qualify noise from heat and ventilation systems and assess tonality 1 3 octave Frequency Analysis Software for 2250 Light BZ 7132 This software module allows real time frequency measurements in 1 3 octave bands 4 2 3 4 2 4 4 2 5 4 3 4 3 1 Hand held Analyzer 2250 Light User Manual Logging Software for 2250 Light BZ 7133 This software module allows logging of broadband and spectral data to obtain a time history for later analysis for example for use in environmental noise as well as workplace noise assessment It allows free selection of up to 10 parameters to log at periods from 1 s to 24 h Results are logged directly to the SD memory card or CF card if using G1 3 analyzers Signal Recording Option BZ 7226 This option allows recording of the input sign
96. access the data on the analyzer after the measurement or Delete project if you want to clear space on the SD card after the measurement 7 1 ee Chapter 7 Connection to PC or Smartphone or Measurement Partner Field App This chapter describes connecting to your analyzer from a PC or smartphone including e e e An introduction to connection methods Measurement Partner Suite BZ 5503 for full control of the analyzer Use an Internet browser for online display and control of the analyzer Measurement Partner Field App MP Field App for streamlined functional control of the measurement data and annotations in the field Introduction Two different methods are available for connecting to the analyzer USB BZ 5503 connects to the analyzer through a USB cable Network The analyzer is connected to a network local or Internet via a modem LAN cable or a Wi Fi adaptor BZ 5503 or an Internet browser and MP Field App on a smartphone will then be able to connect to the analyzer through TCP IP using the analyzer s global IP address In addition to connecting to the analyzer the analyzer itself can notify you by SMS or email based on various conditions see section 8 4 Table 7 1 gives you an overview of the different connection possibilities including links to relevant chapters with more details Table 7 1 Connection overview Hand held Analyzer 2250 Light User Manual Connect from Connection
97. ady connect the modem to the analyzer using a LAN cable For G1 3 analyzers you will also need the 10 100 Ethernet CF Card UL 1016 See Ordering Information on page 141 The Modem parameter should be set to Off The Airlink Raven XE Intelligent 3G Ethernet Gateway from Sierra Wireless www sierrawireless com has been tested 8 2 2 Connection to the Network using a GPRS EDGE HSPA Modem V Best Practice Turn off the analyzer when connecting the analyzer to a modem Please note The SIM card account should include a data subscription and should be usable without a pincode To use the modem you need to set up the parameters in Dialup Networking listed below and set the Modem parameter to GPRS EDGE HSPA Dialup Parameters in Dialup Networking e APN Access Point Name is an identifier required by the Network Operator Examples are Internet public and www vodaphone de e Username Password and possibly Domain should be set as required by the Network Operator When the Modem parameter is set to GPRS EDGE HSPA Dialup a connection is made using the settings in Dialup Networking The Status parameter reflects the current status of the network connection for example Connected or Disconnected If the connection fails then the analyzer will try to reconnect until it succeeds or the Modem parameter is set to Disabled 74 Hand held Analyzer 2250 Light User Manual If the connection succeeds then the analyzer
98. aeees 97 CHAPTER 10 1 1 and 1 3 octave Frequency Analysis Optional Modules ccssssssssscceeesessssssseeeeeeees 99 10 T Setting up thesAmalyZe ts src iccescce ccesacssssuntsensabede ation a a dentunuansvercesssseeacivensoeges 99 10 2 Controlling the Measurement cccecsccecessessscecececeeseessesececesseseseesececeaaeaeeeesesesesaseeeeesees 100 10 3 Displaying the R SUItS E A E E E E ceeee 100 10 4 Saving RESUNES oe ae oet eiio i EEEE AEEA E EE EENE AAE TEE EERE EE eF ia aE a aR E Tiia 104 CHAPTER 11 Logging Optional MOdule sscccsssssssssssessssssssssssessssssssssssssssasssassssssssssssnsssssssssssssssanseses 105 11 1 Setting Up the AnalyZer e ieni iiia e svcesnetnetesecuosUearionsdes tesuecnesades suevendebacetacde 106 11 2 Controlling the Measurement cccecsccecesssssscecececeeseeeeecececeesesaseesececeeaasseeeeseseeaeaeeeeeees 108 14 3 Displaying the RESUItS 0 ccicsessceeceedecgerachesscessuebecdececoesuanernddcco ee sleet bcdecd osvatenecdecoorsadocneees veadee 108 11 4 Saving and Recalling Results cccsesscccecessessececececscseesaesecececseseseeeesceeseeaseeseesseseeaeeeeeeseaes 113 CHAPTER 12 Signal Recording Optional i ccssssesccssessececcnsesssessesccececesessssasssevedececesssessssdessscccceeseseseasasscedees 115 12 1 Sound Level Meter and Frequency Analysis Software cccccccccssssesccecsesessscecececeesesseaeeeeees 115 12 2 With Logging SOftWare
99. ak C Range In accordance with IEC 61672 1 kHz 43 0 dB to 142 8 dB SAMPLING FOR BROADBAND STATISTICS Statistics can be based on either Lap Las Or Lagg e Statistics Laryy 7 or Lasyy 7 are based on sampling Lap or Las resp every 10 ms into 0 2 dB wide classes over 130 dB e Statistics Lay 7 are based on sampling Laeq every second into 0 2 dB wide classes over 130 dB Full distribution saved with measurement The Std Dev Standard Deviation parameter is calculated from the Statistics Measurement Display and Control MEASUREMENT DISPLAYS Measurement data displayed as numbers of various sizes and one quasi analog bar Measured data are displayed as dB values housekeeping data as numbers in relevant format Instantaneous measurement Ly is displayed as a quasi analog bar MEASUREMENT CONTROL Manual Manually controlled single measurement Automatic Preset measurementtime from 1 sto24 hrin 1 s steps Manual Controls Reset Start Pause Back erase Continue and Store the measurement manually Auto start A total of 10 timers allow set up of measurement start times up to a month in advance Each timer can be repeated Measurements are automatically stored when completed BACK ERASE The last 5 s of data can be erased without resetting the measurement Measurement Status ON SCREEN Information such as overload and running paused are displayed on screen as icons TRAFFIC LIGHTS Red yellow and green LEDs show m
100. al typically sound in either 16 bit or 24 bit resolution during measurement The signal recording can be controlled manually or by using an external trigger signal The recorded signal can be played back and listened to G4 analyzers only using optional Earphones HT 0015 The signal is recorded directly to the SD memory cards or CF card if using G1 3 analyzers Tone Assessment Option BZ 7231 This option allows the assessment of tones on site according to the ISO standard When used with 1 3 octave Frequency Analysis Software BZ 7132 and Logging Software BZ 7133 it allows you to assess tones in a measured 1 3 octave spectrum according to ISO 1996 2007 Annex D Built in Help If you need more detailed information at any time during operation tap the Help icon J on the analyzers screen The resulting screen will explain that particular item in much more detail You can scroll up and down the explanatory text using eitherthe and 4 pushbuttons or the scroll bar Bon the screen Return to the normal display screen by tapping EJ If you need to view any of the previous 10 screens you have visited in the help system tap the lt icon at the top of the display Software and Hardware Versions Once in the help system you can access the list of installed software versions and licenses together with information about the hardware This information is always available and is accessed by selecting About from the top of the display
101. al IEC Standards are adopted as European standards by CENELEC When this happens the letters IEC are replaced with EN and the number is retained Type 2250 L also conforms to these EN Standards Input CORRECTION FILTERS For Microphone Types 4950 4952 4952 EH 2152 and 4184 A Correct the frequency response to compensate for sound field and accessories Accessories Type 4950 only None or Windscreen UA 0237 Sound Field Free field or Diffuse field for Types 4952 and 4184 A only 0 Top reference direction and 90 Side reference direction Analysis DETECTORS Parallel Detectors On every measurement A or B weighted Switchable broadband detector channel with three exponential time weightings Fast Slow Impulse one linearly averaging detector and one peak detector C or Z weighted Switchable as for A or B weighted Overload Detector Monitors the overload outputs of all the frequency weighted channels MEASUREMENTS X frequency weightings A or B Y frequency weightings C or Z V frequency weightings A B C or Z U time weightings F or S Q exchange rate 4 5 or 6 dB N number between 0 1 and 99 9 135 136 Hand held Analyzer 2250 Light User Manual For Storage Full statistics For Display and Storage Start Time Stop Time Overload Elapsed Time Lxeq Lyeq Lye Lye Lceq 7 Laeg Lxsmax LxFmax Lximax Lysmax LyFmax Lyimax Lysmin LxFmin Lximin Lysmin LyFmin Lyimin Lxieq Lyieq Laleq 3
102. ame and Password defined for the Web server Fig 7 3 Prompt for username and password The server 192 168 0 150 at B8K Anahyzer requires a username and password Warring This server is requesting that your username and Password be sentin an insecure manner basic authentication without a secure connecton cer name g Password one i Remember my password 64 Hand held Analyzer 2250 Light User Manual The View Instrument Web Page Fig 7 4 shows the View Instrument Web page where you have an online display of the analyzer You can use the online display for monitoring the measurement only you cannot change the display or setup parameters or start and stop measurements etc Fig 7 4 Online display for Br el amp Kj r monitoring only We help our customers improve the quality of sound and vibration and related human comfort SD kort Project 044 gt 00 00 01 Logget 08 51 33 The analyzer can be viewed by several people at the same time however the analyzer response time will increase with the number of connected browsers The View and Control Instrument Web Page Fig 7 5 shows the View and Control Instrument Web page where you have an online display and keyboard for full control of the analyzer The online display can be used for monitoring the measurement The keyboard on the screen has the same functions as the analyzer s keyboard Click on the display with the cursor to con
103. amplifier here 171 172 Hand held Analyzer 2250 Light User Manual Table C 2 Continued Microphone setup parameters Parameter Values Comment Microphone Type 4950 If microphone is a known type then the rest of the 4952 0 parameters of the transducer are set automatically Sound o 4952 90 Field Correction and Windscreen Correction are possible TIET ADS for known microphone types onl 4184 A 90 aaa ES EH 2152 m Please note Microphone Types 4952 and 4184 A can EH 2152 90 be used with 0 reference direction or 90 reference Unknown direction For unknown microphone types set the rest of the parameters no corrections can be made for unknown types Please note e Type 4184 A is available for G4 analyzers only e You can specify up to 5 different microphones in the transducer database For G1 3 analyzers the number is limited to 3 Nominal Sensitivity Double Set automatically for known Microphone Type Otherwise set the nominal sensitivity of the microphone in mV Pa Polarization Voltage Yes Set to Woif microphoneis prepolarized otherwise set to Yes No for polarization voltage of 200 V Set automatically for known Microphone Type Please note This parameter is available for G4 analyzers only Free field Type Yes Set to Yes for Free field types otherwise set to Wo Set No automatically for known Microphone Type Capacitance Double Insert capacitance of microphone in pF Set automatically for known
104. analyzer The Location will be displayed on the PC as well as the serial number of the analyzer when browsing for analyzers in BZ 5503 and when connected using the online display hint The Location parameter is useful for both USB and LAN connections Network Connection e Gl 3 analyzers None default CF Socket Select this to use an Ethernet CF Card inserted in the CompactFlash socket LAN Socket default Select this to connect via a LAN cable This is disabled if an Ethernet CF card is inserted in the CompactFlash socket e G4 analyzers LAN Socket default Select this to connect via a LAN cable LAN settings are hidden if a Wi Fi Dongle or an SD WLAN card is inserted SD Socket Automatically set when an SD WLAN card is in the SD card slot WiFi Dongle Automatically set when USB Wi Fi Dongle UL 1050 is in the USB slot Set IP Address This setting is common to LAN and Wi Fi connections Automatically Obtain an IP address from a DHCP server if no server available then a Link local address will be set Manually You have to set the IP Address Subnet Mask Default Gateway Preferred DNS and Alternate DNS see below IP Address The IP address of the analyzer Selectable if Set IP Address Manually Subnet Mask The Subnet Mask combined with the JP address identifies the network segment the analyzer is on Selectable if Set IP Address Manually Default Gateway Address to a gateway for routing to another
105. ardware is an earlier version Analyzer Inputs Outputs Hardware Versions 1 3 Connector panel of 2250 Light for G1 3 analyzers 5 2 3 060203 CHAPTER 2 5 Assembling Your Analyzer 1 Mini USB Interface Socket Use the supplied Mini USB Cable AO 1476 to connect 2 Earphone Socket Use the optional Earphones HT 0015 to connect 3 External Power Socket Use Mains Power Supply ZG 0426 to connect and charge batteries 4 Battery Charge Indicator An LED that indicates when the battery pack is being charged from external power See section 2 3 3 for more information on the LED colour codes 5 Reset Button Press to reset the analyzer if you have problems 6 CompactFlash Card Slot Insert a CF memory card to save data or connect a modem either a CompactFlash modem or using an CF to Serial converter 7 Secure Digital Card Slot Insert a SD or SDHC memory card to save data 2 3 2 Hardware Version 4 Fig 2 3 Connector panel of 2250 Light for G4 analyzers Pret ff 120174 1 11 10 9 7 1 Micro USB Interface Socket Use the supplied Micro USB Cable AO 1494 to connect 2 Earphone Socket Use the optional Earphones HT 0015 to connect 3 Output Socket Not used 4 Trigger Input Socket Use this triaxial LEMO connector to control signal recording See Trigger Input Socket in section 2 3 3 for more information 5 Input Socket Not used 6 External Power Socket Use Mains Power Supply ZG 0426 to conne
106. ater Caution Use specified battery charger only Charging below 0 C 32 F is not recommended If you charge the battery pack below 0 C the lifetime of the batteries will be reduced Do not charge battery pack in temperatures above 60 C Battery Charge Indicator See item 4 in Fig 2 2 G1 3 analyzers or item 7 in Fig 2 3 G4 analyzers A battery charge light LED indicates when the battery pack is being charged from external power e WithG1 3 analyzers The LED is a steady green light when external power is applied and the battery is charging and a flashing green light when charging has finished e With G4 analyzers The LED is red when external power is applied and the battery is charging green when the battery is completely charged and blue to indicate that the unit is in stand by and battery powered Reset Button See item 5 in Fig 2 2 G1 3 analyzers and or item 8 in Fig 2 3 G4 analyzers Located above the USB connector it is used to reset the analyzer if you have problems with the analyzer and cannot get it to operate To reset press the button with the point of the stylus see Chapter 9 for troubleshooting Slot for CompactFlash CF Cards G1 3 analyzers only See item 6 in Fig 2 2 This slot accepts CF sized cards and can be used for memory or for example a modem 10 Hand held Analyzer 2250 Light User Manual Slot for Secure Digital SD Cards See item 7 in Fig 2 2 G1 3
107. atically close the drop down menu otherwise select Close tap outside the drop down list or use the Left Arrow pushbutton to close the menu 11 3 2 Marking Sound Categories Use this facility to categorize the sound while you are measuring or while you are observing the different kinds of sound on the display This will make it much easier to do the post processing and reporting back in the office You can mark up to five sound categories online The markers are displayed as horizontal lines above the sound profile see Fig 11 2 There are two main types of marker e An Exclude marker this allows you to mark a sound you want to exclude from your measurement later during post processing or reporting It does not remove any data from your measurement e An Event marker this allows you to mark a particular sound of interest during your measurement On 2250 Light e Marker 1 is used as an Exclude Marker e Markers 2 to 5 are used as Event Markers All of these event markers can be user defined You can define a marker by tapping Main Menu gt Setup gt Markers Marker 2 is set to a Manual Event marker by default it can be controlled by the Manual Event pushbutton and the stylus Marker 3is set toa Level Event marker by default it can be controlled by the level trigger facility and the stylus e Marker 6 is used as a Sound Marker and shows the size of the signal recording The analyzer allows you to view the marker
108. ations with the corresponding instrument project EXPORT FACILITIES Excel Projects or user specified parts can be exported to Microsoft Excel Briel amp Kj r Software Projects can be exported to Predictor LimA Type 7810 Acoustic Determinator Type 7816 Evaluator Type 7820 Protector Type 7825 or Qualifier Light Type 7830 7831 POST PROCESSING Measurement Partner Suite is a suite of modules including post processing tools for data acquired with Type 2250 L The following post processing modules are available e Logging Module BZ 5503 A e Spectrum Module BZ 5503 B e WAV File Analysis Module BZ 5503 C These modules help to assess logging data and measured spectra such as calculating contribution from markers ona logging profile or correcting spectra for background noise For more information see the Product Data for Measurement Partner Suite BP 2430 2250 LIGHT SOFTWARE UPGRADES AND LICENSES The utility software controls 2250 Light software upgrades and licensing of the 2250 Light applications INTERFACE TO 2250 LIGHT USB LAN or Internet connection USB Connection e Hardware versions 1 3 USB ver 1 1 e Hardware version 4 USB ver 2 0 LANGUAGE User Interface in Chinese People s Republic of China Chinese Taiwan Croatian Czech Danish English Flemish French German Hungarian Japanese Italian Korean Polish Portuguese Romanian Russian Serbian Slovenian Spanish Swedish Turkish and U
109. aution Whenever it is likely that the correct function or operating safety of the apparatus has been impaired it must be made inoperative and be secured against unintended operation Waste Handling Br el amp Kj r complies with the EU s Waste Electrical A and Electronic Equipment WEEE Directive which issues the following waste handling instructions e Do not dispose of electronic equipment or batteries as unsorted municipal waste e It is your responsibility to contribute to a clean and healthy environment by using the appropriate local return and collection systems e Hazardous substances in electronic equipment or batteries may have detrimental effects on the environment and human health e The symbol shown to the left indicates that separate collection systems must be used for any discarded equipment or batteries marked with that symbol e Waste electrical and electronic equipment or batteries may be returned to your local Briel amp Kj r representative or to Bruel amp Kj r Headquarters for disposal Briel amp Kjaer has made every effort to ensure the accuracy of the information contained in this document No responsibility is accepted for any errors or omissions herein It is the responsibility of the user to ensure compliance with any legal or statutory requirements in the country of use Data may change as well as legislation therefore you are advised to obtain copies of the most recently issued applicable regu
110. be wrong then e Check the cabling if any e Check that the microphone including preamplifier is correctly mounted in the top socket or correctly connected to the extension cable e Check that the transducer you have mounted on your analyzer is selected as the 7ransducer parameter this is also found in the Setup screen e Check whether the parameters for the selected transducer 7ransduce are set correctly especially the Microphone Type and Polarization Voltage parameters These are found by tapping Main Menu gt Transducers e Check that the Sound Field and Windscreen Correction parameters have been set correctly These are found by tapping Main Menu FE gt Setup gt Input e Check if the calibration is OK make a new calibration using an external calibrator SD CF Cards and USB Sticks The Logging and Signal Recording software requires that measurements are saved on memory cards SD or with G1 3 analyzers CF A USB memory stick can be used from hardware version 4 Device Format and Speed In order to ensure reliable operation with the memory device the format of the file system and the speed of the device are tested Upon insertion the analyzer verifies the format of the memory device s file system If the file system is not optimal for usage with the analyzer then you are prompted to format it You will be guided through the process CHAPTER 9 91 Updating and Upgrading Applications Maintenance Calibration and Tr
111. bove have to be set manually thatis typed in We recommend that you insert the value for Nominal Sensitivity directly from the calibration chart Nominal Sensitivity is used in the automatic level detection calculations when calibrating using Sound Calibrator Type 4231 to determine whether the level is 94 or 114 dB In the top line of the status field you can select which transducer is currently connected to the analyzer This can also be done via the Setup screen by selecting Jnput then selecting the transducer in the 7ransducer Used field At the bottom of the parameter list you can select the calibration history for the currently selected transducer by tapping on the Ca ibration History link See section 5 4 and Fig 5 2 Tap EJ to return to the Measurement screen CHAPTER 5 a5 Calibration 5 6 Calibration Reminder The Calibration Reminder tab see Fig 5 6 allows you to keep track of when you need to run your next Accredited Traceable calibration and shows you the date of your last calibration Fig 5 6 CALIBRATION Calibration reminder Mount calibrator and press the Start tab Calibration button below Reminder for Accredited Traceable Calibration Next Calibration 01 12 2008 00 00 00 Last Calibration 01 12 2007 00 00 00 Calibration Interval 12 months Automatic Calibration Reminder On To order a calibration please contact your local Briel amp Kj r representative Remind The automatic calibration reminder fa
112. cator cccccsesssssssseseseeeeees 7 9 External Power Socket ccccccccccessssseeeeeceessseeeees 12 F Fast Time Weighting cccccccsesssecececsessstseeeeeeees 23 FB 0679 Hinged Cover ssssesssssssseeesrrsrsseerrerressesrsee 6 FEGUD ACK iia neneiia eese osia iia TA Fil FORM E E EA E E ENS TEE File Speed re veevacesSeescsdeneezte Ceveesoouet tees i Filter Calibration Fitted Diffuse Field Icons 0 Formatting a Memory Card Frequency definition cccccccescceesseeeeesseeees Frequency Analysis 1 1 or 1B OCtAVE wie sceeeseseeseseseeeees 99 Settings Frequency Analysis Software Calculated Parameters 06 Controlling Measurement Displaying Results cccccccccsseseseeeeeeessenees Save Results Smileys 00 Spectrum View with Signal Recordings Frequency Weighting 005 Parameters ccececcceeceeneeeeeees Full Statistics Parameter cccccceccesssseeeeeeeeseeees G G1 3 Connector Panel ccccccccccesssssseeceescessessaeeeeees 6 G4 Connector Panel cccccccccessssssecececessssstaeseeees 7 G4 M tki ee evecare a a iE 6 Gain for Annotations ssesseessessesserssssesrerrerresssee 179 Gain for Meas Signal Parameter ccsecccceeees 179 General Parameters cccccccccseseserereeeeeeeees 163 169 GlOSSARY E cece ecasned eos even snes see veces eeetaseveue 189 GPRS EDGE HSPA Modem csceesseesseceseee
113. ce Time Parameter Regional Settings Parameters ccecce Re installing Software 006 Remote Data Viewing 0006 Rental ertasini intri eats Repair nesese R porting ooer eieiei ieinu tasainen tie aandie Reset Measurement sessssssesessssssssserssrsssssrreersssesesee 33 PUSNDULEON 10 ceeeeeceeseececsseeeceeseeeceenaeeeseneees 33 Resetting Analyzer cccccccsesscccecessesseeeeeseeseesees 93 Reset BUttON metiens en a i i 7 9 Resetting Measurement PUSMDUELON EAE E ET 5 Restore Factory Settings cccccccccccccccceeeeeeeeeeeeeees 95 Results Display in Frequency Analysis Software 100 Display in Logging Software ccccseseees 108 Display in Tone Assessment Software 128 Save in Frequency Analysis Software 104 Save in Logging Software ceccesesseceeeeeees 113 VOW ios eco e les T ER EA EN 52 Return to Main Screen o oo ee eeeeeeeeeececeeeeeeneeeeeeeeeeneeaees 26 to Previous Screens ceececececeseeeeceeeeeeeeeeenees 26 REUSING SCCUPS suennrnn denent einen 52 RS 232 M d mi areeiro reiii eriein 74 RUMPE ita orie e e E e s 195 197 RUNNING ICON siisii ninoi iiiar iian 32 RV E EAA AE E E E R 195 S Save Measurement Save Power aaee Save Pushbutton ssesssessssessssrsrreerrssrsrrsssees Saving a Template Logging Results the Measurement sssi hto RS 1 a R NE EEE E T A ET Touch Adjustments ccccecececeeeceesssteeeeeeeees
114. cececeeeeeeeseeeeees 178 Total Measurement TKANSGUCER soiree sitoi iiia i 171 within Elapsed Time Password Passwords Parameters Pause Icon PC Connection PCL Printer Settings cccccceseseseeeseeeseeeseeeeeeeeees 72 Peak Recording Level Parameter c ccccccseeeees 156 Peak Sound Level Peak Sound Level Parameters Peak Sound Levels ccccecsececeeneecesseeeeceesaeeeseeneees PeaksOver Level Parameter Percentile Levels Larog 0 Percentile Parameters ccceccccesssececeesteeeeeeeeees Placement of the Microphone Play Back of Recording Post processing Post processing Parameters Post recording Time Parameter Power Mains Connected Off Saving Settings Settings Parameters Socket Status Power Consumption cccsssessssssssssesssssssseeeeeees Power Settings Power Supply Connected Icon 207 208 Power Supply ICON ecececseseeececessesteaeeeeeeeceesseaees Power on Pushbutton Preamplifier 00 Connecting Disconnecting Preamplifier ZC 0032 Preferences eseese Parameters Setting wees Preferences Screen cccccecsssecseceeceeseeeeceeseecseeeeees Pre marker Time Parameter ccssccesssreceeees Pre recording Time cccsessecccecessestsaeeeeeessseees Pre recording Time Parameter cccccccccceeeesees Preset Logging Time Parameter c0c0c0eeeeees Preset Time Parameter cccceces
115. cel the selection Pushbutton Usage Use the navigation pushbuttons Up Arrow 1 or Down Arrow 1 to select the value you want and press the Accept pushbutton v to activate it Use the Left Arrow to cancel the selection 36 Hand held Analyzer 2250 Light User Manual Number Keyboard When activating a number a number keyboard appears Fig 4 4 Fig 4 4 Number keyboard Internal Disk Project 006 E 00 00 00 eh LAF LAe c AR LApeak LA90 0 LAFmax Measure Preset Ti Tap on the digits or use Up Arrow i Down Arrow J to increment decrement the number Use Left Arrow Right Arrow to select other digits if necessary Press the Accept pushbutton v ortap y onthe number keyboard to enter the number for the parameter Tap X on the number keyboard or outside the number keyboard to cancel the change of value Character Keyboard When activating a text value a standard full character keyboard appears on the screen Fig 4 5 Fig 4 5 2ANSDUCERS Character keyboard Transd used 4176 1234567 aK a Top Socket H 4176 1234567 A AAAA Alt Capacitance 13 0 pF Calibration History gt The character keyboard has all the functionality of a normal keyboard enter text as required by tapping the individual keys with the stylus Tap the to accept the changes or tap outside the keyboard to cancel CHAPTER 4 37 Getting to Know Your Analyzer 4 5 7 Locking the Pushbuttons and Displa
116. cess Do not remove the device or switch off the analyzer during the procedure this might damage the file system and data and make the device unusable 7 Select Format to start the formatting procedure Please note e The formatting procedure can take several minutes depending on the size of the device e The read write performance of SD and CF memory cards and USB sticks varies alot The performance depends on the manufacturer of the memory device the type of device the size of the device how much it has been used how fragmented the memory is and even the day of production of the device Two identical memory devices can have a different performance because the manufacturer has changed the internal technology without notice e The cards delivered by Briel amp Kjaer have all been tested for their read write performance in the analyzer and can be used for the applications available in the analyzer If you need more or other types of memory devices please consult your local Briiel amp Kj r representative hint In general you should select devices aimed for the industrial or professional photographer market 92 Hand held Analyzer 2250 Light User Manual V Best Practice Remember to regularly re format the device especially before a long unattended measurement this will ensure the best performance of the device 8 Select Test Speed if you want to check the device s file speed 9 4 3 Battery Pa
117. check your local legislation Setup Parameters OSHA MSHA DOD ACGIH ISO Broadband excl Peak A A A A A Broadband Peak Z Z Z Z C Exposure Time N A N A N A 8 00 00 8 00 00 Reference Time Preset 8 00 00 8 00 00 8 00 00 8 00 00 8 00 00 Reference Time user definable 40 00 00 40 00 00 40 00 00 40 00 00 40 00 00 Threshold Level 80 80 80 80 70 Criterion Level 90 90 85 85 85 90 PeaksOver Level 140 140 140 140 140 Exchange Rate for Lav 5 5 4 N A N A Weighting for Lav S S S N A N A This is user definable the two other PeaksOver Level parameters are preset to 137 and 135 dB resp Reference Time Reference Time is used for calculation of Sound Exposure Level Lep g or Time Weighed Average TWA with a reference time other than 8 hours RC RC Classification SIL PSIL SIL3 Sound Sound level or sound pressure level APPENDIX E Glossary The Room Criterion Mark II is primarily a diagnostic tool for HVAC noise in spaces The RC curve is chosen as the value of the PSIL rounded to the nearest integer inthe range 25 lt RC lt 50 The RC classification is the combination of the Sound Quality Descriptor and the Probable Occupant Evaluation The sound quality descriptor can display the values N for neutral where no frequency range is dominant LF for rumble where the low frequency range 16 63 Hz is dominant MF for roar where the mid frequency range
118. cility will pop up a reminder approximately 2 months before your next calibration is due and keep on reminding you every week until you do one of the following e Send your analyzer for Accredited Traceable Calibration and update the Last Calibration date e Check the Do not ask remind again checkbox in the reminder pop up e Disable the automatic calibration reminder An example of a reminder pop up is shown in Fig 5 7 Fig 5 7 Hand held Analyzer Type 2250 L Reminder pop up INFORMATION Reminder for Accredited Traceable Calibration Last Calibration 01 12 2007 Next Calibration 01 12 2008 Please contact your local Br el amp Kj r representative for futher information O Do not ask remind again 5 7 5 7 1 Fig 5 8 Hand held Analyzer 2250 Light User Manual You can set the Calibration Interval parameter to either 12 months or 24 months depending on your local requirements You can disable the facility by selecting the Automatic Calibration Reminder parameter to Off Charge Injection Calibration Theory of Charge Injection Calibration If an external sound source is not available for example during short or long term monitoring you can check the calibration of the analyzer using the Charge Injection Calibration CIC facility This is done automatically during a logging measurement see section 11 2 Unlike an internal calibration the Briel amp Kj r patented CIC technique enables a complete
119. ck and Recalibration of Battery Charge Indicator The software keeps the capacity of the battery pack updated Over time the total capacity of the battery pack decreases If you find that the Time Remaining estimate tap the Battery icon to get this information does not match the real time remaining for example the analyzer switches off automatically because of lack of power while the Time Remaining estimate indicates at least 2 hour then you should manually re calibrate the capacity of the battery pack This is done using the following method 1 Drain all the power from the battery a b c d e f Switch the analyzer on Disconnect external power Disconnect the analyzer from the PC Set Main Menu gt Preferences gt Power gt Standby After to Never To drain the battery faster set Backlight On to A ways same menu and select the maximum level of display backlight tap Backlight KJ at the bottom of the screen Leave the analyzer until the analyzer switches itself off 2 Charge the battery fully at least 10 hours a b c Connect the Mains Power Supply ZG 0426 to the analyzer Switch the analyzer on and leave it on and remember to reset the Standby After and Backlight On to your preferred settings Tap the Battery icon for the battery condition This will indicate Calibrating Battery initially Let the battery charge until the battery charge indicator just below the power socket starts flash
120. commonly applied frequency weighting and is used for all levels of sound Frequency weighting corresponding approximately to the 70 dB equal loudness curve that is to say the human ear s response at medium sound levels Frequency weighting corresponding to the 100 dB equal loudness curve that is to say the human ear s response at fairly high sound levels Mainly used when assessing peak values of high sound pressure levels Criterion Level is the maximum averaged sound level allowed for an 8 hour period Used for calculation of Dose ProjDose DoseUQ and ProjDoseUQ where U ForS and Q 4 5 or 6 dB The measurement unit for expressing the relative intensity of sound A direct application of linear scales in Pa to the measurement of sound pressure leads to large and unwieldy numbers As the ear responds logarithmically rather than linearly to stimuli it is more practical to express acoustic parameters as a logarithmic ratio of the measured value to a reference value This logarithmic ratio is called a decibel or dB The advantage of using dB can be clearly seen in the below illustration Here the linear scale with its large numbers is converted into a manageable scale from 0 dB at the threshold of hearing 20 uPa to 130 dB at the threshold of pain 100 Pa 189 190 Hand held Analyzer 2250 Light User Manual Our hearing covers a surprisingly wide range of sound pressures a ratio of over a million to one The dB scale make
121. cordings will be split into wave files containing maximum 10 minutes that is a 35 minute signal recording will consist of 4 wave files three with 10 minutes of sound and one with 5 minutes of sound 12 2 3 Control Recording using the Stylus If Recording Control is set to any of the events or to A Events the recording can also be controlled using the stylus directly on the profile in the same way as you mark sound categories details in Chapter 11 Fig 12 1 LOGGING Example Logging SD Card Project 005 display showing gt 00 00 01 ti internal buffer marker Logged 00 gt ono 22 41 10 22 42 00 The small triangle above the profile indicates the amount of sound you have in the internal buffer ready for storage in a wave file You will have sound from this triangle to the right hand side of the profile The triangle is updated every second To make a signal recording using the stylus you tap and hold the stylus on the profile display and drag it to the position where the signal recording should end then you remove the stylus and get a drop down menu with the possibility of setting one of the six markers If you select Sound then a sound marker is made and the sound for the marked interval is stored in a wave file Only the portion of the sound available in the internal buffer to the right of the small triangle will be stored and the sound marker will only indicate this part Please note When selecting an inter
122. creen includes the calibration history for the currently selected transducer tap EJ to return to the Calibration screen Timer Setup The Timer Setup screen is accessed from the Main Menu and enables you to control the analyzer via one or more of the analyzer s timers The purpose of a timer is to initiate measurements in the absence of an operator When you have finished tap J to return to the Measurement screen The Display Screen During normal operation you will use the Display screen to view your measurements and carry out a variety of functions which are described in the following sections Caution The touch sensitive screen is susceptible to damage from sharp objects such as pencils fingernails etc We therefore recommend you use the provided stylus See also section 4 5 5 CHAPTER 4 31 Getting to Know Your Analyzer A typical screen is shown in Fig 4 2 Fig 4 2 Project Template Typical screen when Bar SOUND LEVEL METER making a i ernal Disk Job 01 Project 002 Status Field measuremen gt 00 00 18 tit LAF 4 dB L 30 so 70 90 110 130 150 LAeq 81 6 dB View Area LCpeak 114 2 dB LAF90 0 49 3 dB LAF max 101 8 dB Measurement Mode Manual Broadband XL View View tabs 11 55 00 Shortcut Bar with icons The main areas starting at the top of the screen are e Project Template Bar Status Field e View Area with view tabs Shortcut Bar Project Template Bar This bar displays the name of the
123. ct and charge batteries 7 Battery Charge Indicator An LED that indicates when the battery pack is being charged from external power See Battery Charge Indicator in section 2 3 3 for more information on the LED colour codes 8 Hand held Analyzer 2250 Light User Manual 8 Reset Button Press to reset the analyzer if you have problems 9 Secure Digital Card Slots Insert an SD or SDHC memory card to save data 10 LAN Socket Connect a LAN cable to synchronize measurement and setup data with a host PC over a LAN 11 USB A Socket Connect to Wi Fi Dongle UL 1050 printers or other external USB devices 2 3 3 Description of Inputs and Outputs Top Socket See item 16 in Fig 2 1 This 10 pin LEMO connector is the microphone input for the analyzer Microphone Type 4950 including Preamplifier ZC 0032 is normally connected directly to this connector If required however one of two microphone extension cables AO 0697 D 030 3 m or AO 0697 D 100 10 m can be fitted between the input stage and the main microphone input socket to extend the distance to the desired length USB Interface See item 1 in Fig 2 2 G1 3 analyzers or items 1 and 11 in Fig 2 3 G4 analyzers The USB Interface provides high speed direct communication via your PC s USB port to synchronize measurement and setup data e G1 3 analyzers Use the supplied Mini USB Cable AO 1476 e G4 analyzers Use the supplied Micro USB Cable AO 1494 Connect to a
124. ct the Details tab on the Calibration screen Fig 5 2 Fig 5 2 CALIBRATION x Calibration details Mount calibrator and press the Start screen Calibration button below Calib Time 09 12 2008 08 32 36 Sensitivity 51 19 mv Pa Deviation from last 0 20 dB Deviation from initial 0 00 dB Transd Used 4950 0 Max Input Level 140 6 dB Calibration History gt Calibrator 4231 Calibrator Serial No Calibr eo This screen displays the following information e Details of the last calibration date sensitivity deviation from last calibration and deviation from initial calibration e The connected transducer type and serial number Please note You select a new transducer by tapping Main Menu gt Setup gt Input e Max Input Levet the maximum sinusoidal input level to be measured without overload indication e A Calibration History link which is provided to enable you to view a history of transducer and calibration settings see below The calibration settings can be adjusted as follows e Calibrator select between Type 4231 and a custom calibrator e Calibration Levet Enter the specific level of your custom calibrator If you are using Type 4231 calibrator level is automatically detected shown as Auto detect Please note The Auto detect setting enables the automatic detection of the calibration level For free field microphone types like Type 4950 the calibration level from Sound Calibrator Type 4231 is either 93 85 d
125. d 7 Tap Main Menu gt Setup Fig 3 5 Fig 3 5 Main Menu options SOUND LEVEL METER ernal Disk Job 01 Project 002 gt 00 06 26 tit LAF 81 0 dB 30 50 70 90 110 130 150 LAeq 81 6 dB Lock Keys and Screen 124 1 dB Save Template 50 1 dB Calibration 101 8 dB Transducers Preferences Manual Setup gt 12 01 10 i Se x CHAPTER 3 Making Your First Measurement J 19 Change the broadband weighting parameters by tapping on the H next to Frequency Settings then on the weighting parameter field on the right side of the screen A weighting drop down menu will appear Fig 3 6 Change the parameters as required Fig 3 6 Changing the broadband frequency settings Input g gt Frequency Settings Occupational Health Quick 8 Return to the bar graph screen of the Sound Level Meter template by tapping EJ and you are ready to make a new measurement What is a Project Template A project template contains all the common display settings and measurement setups required to perform a noise measurement The template does not contain any measurement data these data are saved as individual projects stored in job folders see section 6 1 1 The project templates covered by this manual are 20 Hand held Analyzer 2250 Light User Manual e Sound Level Meter Project Template included in BZ 7130 software e 1 1 octave Frequency Analysis Project Template i
126. d display these parameters NC NR RC and NCB are defined for 1 1 octave Lzeq spectra however NC NR RC and NCB are calculated for any frequency weighting and any octave bandwidth A B and C weighted spectra are converted to Z weighted spectra and 1 3 octave spectra are converted to 1 1 octave spectra before the calculation Loudness and Loudness Level are calculated for 1 3 octave spectra with any frequency weighting A B and C weighted spectra are converted to Z weighted spectra before the calculation If 1 1 octave Lzeq spectra have been measured then you can display a Noise Curve together with the Lzeq spectrum see example in Fig 10 6 For RC and NCB you also have the possibility of displaying the limit curves for Rumble and Hiss and for Rattle and Vibration together with the 1 1 octave Lzeq spectrum 103 104 Hand held Analyzer 2250 Light User Manual Fig 10 6 Displaying a Noise Curve together with the L7eq spectrum FREQUENCY ANALYZER 1 1 OCT SD Card NT Project 018 E 00 00 17 16 Hz tuts 16 63 ik NC Decisive Band Spectrum a e et B XL View 10 3 1 Smileys 43 dB 58 7 dB amp gt 17 32 22 A smiley will be shown to the right of the project name if there are any issues with calculating Noise Parameters or displaying noise curves see the overview in Table 10 1 Table 10 1 Overview of Smileys Smiley Explanation Description No Loudness for 1 1 octaves Select 1 3 octa
127. d indications you would like to erase If used when the current measurement is running then the measurement will be paused The status field displays Pause Back erase briefly and then displays the shortened elapsed time along with the Paused icon For BZ 7133 Software Pressing the Back erase pushbutton will start drawing an Exclude Marker on the display see section 11 3 2 Pressing it again will stop drawing the marker on the display toggle function On screen Feedback and Traffic Light Feedback is given on screen in the Status Field see Fig 4 2 and the Traffic Light indicates important states of the analyzer see Table 4 2 Table 4 2 Traffic Light Indications State Light Scheme During power on or loading template Nothing E Stopped Ready to measure Short yellow flash every 5 s b Awaiting trigger searching for calibration signal Short green flash every second gt Running measurement everything OK Steady green light Paused Measurement not saved Slow yellow flash on 1 2 s off 1 2 s A Overload Fast red flash 4 5 5 Use of Stylus and Navigation Pushbuttons The stylus and navigation pushbuttons are used for setting up the analyzer navigating through the screens and managing the results CHAPTER 4 35 Getting to Know Your Analyzer Anumber of items that appear on the screen parameter values or icons can be selected updated and activated For in
128. dB e Middle frequency range includes the 1 3 octave bands from 160 Hz to 400 Hz with a level difference for a detected tone greater than 8 dB CHAPTER 13 Tone Assessment Option BZ 7231 1 3 octave Method e High frequency range includes the 1 3 octave bands from 500 Hz to 10 kHz with a level difference for a detected tone greater than 5 dB With BZ 7231 software frequency ranges and the limit for the level differences in low middle and high range can be set by the user Tone assessment is carried out for all the measured frequency bands including those below 25 Hzand above 10 kHz The level difference limit is extrapolated from the low and high range to cover the complete measurement range If tones are detected outside the 25 Hz to 10 kHz range the quality indicator yellow smiley indicates Tone out of ISO range detected ISO 1996 2 Annex D does not specify the size of the adjustment In the default setting of BZ 7231 Briel amp Kj r has chosen to set the value to 5 dB Calculating the Level Difference Between One Band and the Adjacent Bands BZ 7231 software calculates the level difference between a 1 3 octave band and two adjacent 1 3 octave bands with lower levels The difference is calculated between the band in the middle and the highest of the adjacent bands Setting up the Analyzer 13 3 1 Selecting the Tone Assessment Option Tap Main Menu gt Setup gt Tone Assessment and set Tone Assessment to On Fig 1
129. dependent on type of GPS unit Logged Measurement For Logging Software for 2250 Light BZ 7133 Parameters measured within a logging interval up to ten or all of the following parameters can be logged Equivalent Continuous Sound Levels e LYeq Lyeg Leeg Laegq Lyeq T1 mov Lyeq 72 Mov Lceq T1 mov Lceg T2 mov ALeg T mov ALeg T mov Sound Exposure Level Lx Le Peak Sound Level e L Vpeak These parameters are available for Logging BZ 7224 only 165 166 Hand held Analyzer 2250 Light User Manual Maximum Time weighted Sound Levels e L yFmax Lysmax L ymax e L YFmax e L YSmax L YImax Minimum Time weighted Sound Levels LxFmin Lysmin e Lytmin e LyEmin e Lysmin Lytmin US Occupational Health Parameters f LavRQ Special Parameters Lyreg also called Lyrm Lyieq LhlegLAeg Larreg also called Larrms LaFteq Aeq e SIL average of Lzeg octave band levels 500 Hz 1000 Hz 2000 Hz and 4000 Hz e PSIL average of Lzeg octave band levels 500 Hz 1000 Hz and 2000 Hz e SIL3 average of Lzeg octave band levels 1000 Hz 2000 Hz and 4000 Hz Lyeg f1 f2 sum of power values for Lweg frequency bands from f1 Hz to f2 Hz The following parameters are available per set of logged parameters Overload in e Start time e Stop Time e Elapsed Time excl pauses The Statistics can be logged to calcu
130. ding Time has been set then the recording will start this time before you hit the Manual Event pushbutton This is possible because the recording is done continuously in an internal buffer ready to be saved as a wave file The Pre recording Time is limited by this buffer size and the Recording Quality details in Appendix A Please note Very long signal recordings will be split into wave files containing maximum 10 minutes that is a 35 minute signal recording will consist of 4 wave files three with 10 minutes of sound and one with 5 minutes of sound 12 1 3 Playing the Recording Signal recordings are attached to the measurement project as annotations The Annotations icon is displayed in the Status Field to indicate this Tap to open the list of annotations With G4 analyzers you can tap the annotation to play it back details in Chapter 3 and Chapter 6 12 2 With Logging Software You can use the Signal Recording facility together with the Logging Software You can record the sound for the whole measurement period or you can record sound for controlled parts of the measurement The recordings are attached to the profile as sound markers The signal recordings can be controlled by the Manual Event pushbuttons the Back erase pushbutton or an external trigger signal You can also control the signal recording using the stylus to mark the interesting part on the profile 118 Hand held Analyzer 2250 Light User Manual Please
131. dit or quality procedures we recommend you order accredited calibration together with the new analyzer 9 6 3 Regular Recalibration To fulfil requirements for public measurements and to minimize the cost of errors due to faulty or inaccurate measurements we can arrange for calibration every year in an ISO 17025 certified laboratory at Briel amp Kj r With annual data you will have an unbroken history to use as reference either for internal requirements for audit required by authorities or at the request of your customers And not least you can follow the history of sensitivity for your analyzers over time 9 6 4 Filter Calibration e You can order calibration of filters Please specify at the time of ordering e Calibration of filter response for octave and 1 3 octave filters according to IEC 61260 9 6 5 Service and Repair The hand held analyzer is designed and constructed to provide many years of reliable operation However if a fault occurs that impairs the analyzer s correct function then remove the battery pack and disconnect any external power supply to prevent risk of further damage For more information about preventing faults or damage to your analyzer see section 9 5 9 6 6 Hardware Maintenance and Repair You can minimize the risk of unexpected costs by purchasing the hardware maintenance with a five years warranty Minor repairs such as those resulting from damage caused by unauthorized use of the analyzer can
132. e project including all setups and data You are now using the same screens as the ones you were using just before you saved the data Use the screens to browse the results Pressing Start Pause will start anew measurement using the setups from the project You can save the setup information in a template using Main Menu gt Save Template Viewing or Listening to Annotations Use Explorer to locate the project with the annotations you want to view hear then tap the project name and select Annotations from the drop down that appears or simply tap the Annotations icon and select the Annotations tab This will show all annotations attached to the project Fig 6 4 Fig 6 2 Example of Project 002 annotations attached to a project Name Date I Soundrec 1 12 02 2012 12 38 KI Soundrec 2 12 02 2012 12 38 la E GPs 12 02 2012 12 38 CE The Loudspeaker icon K represents a signal recording With G4 analyzers you can tap the annotation name and select P ay from the drop down that appears or tap the icon to play the recording using the headphone output Hint You can also rename delete copy or move annotations to and from other projects orjobs CHAPTER 6 53 Data Management The Text icon represents a GPS note Tap the annotation name and select Openfrom the drop down that appears or tap the icon to open the Notes editor View the note and if required edit the note using the simulated keyboard that appears at the botto
133. e smartphone may assign a different IP address to the analyzer If so repeat steps 6 and 7 to connect To connect using an access point or Internet connection On the analyzer 1 Switch on the analyzer 2 Plug in Wi Fi Dongle UL 1050 preferred or WLAN SD card UL 1021 for G4 analyzers or WLAN CF card UL 1019 for G1 3 analyzers Please note The CF card requires additional input See section 8 3 for additional information 3 Tap Main Menu gt Preferences gt Network a IP Address and select Automatically b Available Networks and select the network Hand held Analyzer 2250 Light User Manual On the smartphone 4 Open MP Field App 5 Tap 4 to open the Instruments screen 6 Tap your analyzer s serial number to connect Please note For subsequent uses MP Field App should recognize your analyzer and connect 7 4 automatically However the smartphone may assign a different IP address to the analyzer If so repeat steps 5 and 6 to connect Internet Browser for Online Display and Control of the Analyzer When the analyzer is connected to a network see Fig 7 2 you can connect to the analyzer from a PC or smartphone using an Internet browser supporting JavaScript Analyzer Settings You access preferences by tapping on the Main Menu gt Preferences the screen shown in Fig 8 1 will appear Tap Remote Access or select H next to Remote Access and set the Web Server parameters to Enabled Define set
134. e sure to record the Z weighted signal and select Automatic Gain Control to Offunder the Signal Recording parameters and select the Recording Quality to match your needs for frequency content see details on sampling frequency in Appendix A When Automatic Gain Control is set to Off then the calibration information is stored in the wave files allowing PULSE to analyse the signal recordings taking the calibration into account Please note Other sound players than BZ 5503 might not be able to amplify 24 bit per sample WAV files enough to hear weak sounds If this is needed then use 16 bits per sample Chapter 13 Tone Assessment Option BZ 7231 1 3 octave Method 13 1 General Tone Assessment Option BZ 7231 includes tone assessment according to the ISO standard It allows assessment of tones on site The result of the tone assessment is the adjustment to be added to the Lag as described in the standard for calculating rating level BZ 7231 when used with 1 3 octave Frequency Analysis Software BZ 7132 and Logging Software BZ 7133 allows you to assess tones in a measured 1 3 octave spectrum according to ISO 1996 2007 Annex D Tone Assessment Option BZ 7231 brings results to the user on site as well as preparing for post processing and reporting back at the office Documentation can be completed using Measurement Partner Suite BZ 5503 or the measured data can be exported for postprocessing by Evaluator Type 7820 or other
135. easurement status and instantaneous overload as follows e Yellow LED flash every 5 s stopped ready to measure e Green LED flashing slowly awaiting calibration signal e Green LED on constantly measuring e Yellow LED flashing slowly paused measurement not stored e Red LED flashing quickly intermittent overload calibration failed NOTIFICATIONS Sends an SMS or email daily at a specified time or if an alarm condition is fulfilled Alarm Conditions e Disk space below set value e Internal battery enters set state e Change in measurement state e Reboot of analyzer Calibration Initial calibration is stored for comparison with later calibrations ACOUSTIC Using Sound Calibrator Type 4231 or custom calibrator The calibration process automatically detects the calibration level when Sound Calibrator Type 4231 is used ELECTRICAL Uses internally generated electrical signal combined with a typed in value of microphone sensitivity CHAPTER 14 Specifications CALIBRATION HISTORY Up to 20 of the last calibrations made are listed and can be viewed on the analyzer Signal Monitoring The input signal can be monitored using an earphone headphones connected to the headphone socket HEADPHONE SIGNAL Input signal can be monitored using this socket with headphones earphones Gain Adjustment 60 dB to 60 dB GPS Annotations A text annotation with GPS information can be attached Latitude Longitude Altitude and pos
136. ed Sound Levels 166 Minimum Time weighted Sound Levels 166 Per Set of Logged Parameters cccseseees 166 Sound Exposure Level cccccecsessceeeeeeeeeees 165 SPEClal a aea ea r et a ceeds vee 166 SPECULUM dririres ri obeata anioiaren i a einan 167 Statistics to Calculate eeseseeereeeeeressree 166 US Occupational Health ccccccccccsseseeeees 166 Weather Data po ccisccccserecies iiaccsescecvensncnorecieres 167 Logged Spectrum Parameters ccccseseeceeeeeees 152 LOS BING cs d vcetetstecssnecerchtedacecsescessessndestuecesthaseadesese 105 Without Frequency Analysis Software 106 Logging Period Parameter ccccsesssseeeeeeeeeees 149 Logging Post processing Tools BZ 5503 A 59 Logging Software CONT anre erea a e iE Display RESUItS aneneen rirni Markers anturia ie ii Marking Sound Categories Play Signal Recording Profile Overview essees Profile View nsss Saving o e Settings eirean aiin oanet a aaria Signal Recording Attachment Status Field Synchronize with Signal Recording with Tone Assessment Logging Software BZ 7133 cccccccccceseessseees Login Parameters ccccescccececccecececeeeesceeeeseceseeees LOUdNES Sini inikan Loudness Level Loudness Parameter Loudspeaker icon Low Frequency Range Lweq 1 3 octave Spectrum Parameters LWeq Spectrum Parameters Lyeq f1 f2 LZ eg eeeeteerseeseesreeseeseesreernee
137. eeeeeeees Smileys and Remedies 005 With Logging ccesescccceceesesteeeeeeeeeeees 107 129 with Saved Measurement ccccceseesereeees 131 with Signal Recording cccssccccecsessseeeeeees 128 Tone Assessment Option BZ 7231 eee 26 123 Top Freq for Special Leq Parameter 0 147 TOP Socke CH ncbs bese gee ai a 5 8 Total Measurement Parameters c ccccccceeeeeees 162 GICSRESUIESssceidscccenecec chectedeeanseatetecseoanacecssenss 165 Equivalent Continuous Sound Level 162 GONE Mall eare aai eaa a eap 163 ISO EU Occupational Health ccccccceeeee 163 Maximum Time weighted Sound Levels 162 Minimum Time weighted Sound Level 163 Peak Sound Level ecccecccceceesseteeeeeeeeeeees Sound Exposure Level ccceccecccecessssseeeees Special SpectrUM ainiin ieinter ikinni ie iaiia Statistics to Calculate US Occupational Health cceceeseeeeeeeees Weather Data enner nenene enian tnia Touch sensitive Screen ssesseesssesrerrerrssseerrrrsese Adjustment arree einne n p EE Troubleshooting Traceable Calibration cccccccccsssscceccessestaeeeeees Traffic Light 0 Brightness ccccscccceseesseeeeeeeeeees Traffic Light Brightness Parameter TRAINS eae re a e a aleari Elain Transducer Database Transducer Used Parameter Transducers ccccceeees Parameters SCOR rinii Transfe
138. eeeeees Templates Timer Users DHCP eeii Dialup Networking Parameters Digits oc sccecceevsedsstescesdens Dim Backlight cc c cccccccecsssecececessessaeseeseeseeteaeees Dimension Unit Parameter esseeeeeeeeeeteeees Disconnecting Microphone ccececeeceesesteeeees DIS DIA AEn ERE EN E EEA EAN A AA 5 Descripti n sosie oeiia oeaan 30 Frequency Analysis Results cccseseeceeees 100 LOCKING ordnen enee a e i i 37 Logging Results se ssssseeesseseseeersrressesrrereesse 108 Tone Assessment Results sssseeceeeecessese 128 Display Settings ccccccsescccccessssseeeeeeeesssseaeees 67 Parameters iasi sirnaa a nis ieina 175 DNS E A ET E EE ET 75 Document Measurement esseere 21 Domain Name System s sssssssssesrersrersssssrsrersrsssses 75 DOSO SEE N EE EEE EE AE 190 B1011 EE E 191 Downgrade Software ou cccssssecececessesssceeeeseesseaees 89 DSL Modem Router ssssrsessirssrseresrrrrerrreereresne 74 Duration Limit Parameter eesseessereesreererrees 156 Dynamic Domain Name System seee 75 Dynamic Host Configuration Protocol 006 76 DynDNS Settings ccccceceseseseseseseseseseseeenens 72 74 ParaMe ters moeie oninia a 181 E Earphone Socket c ccccececsssscecececeesseeeeseeseeseeaees Earphones HT 0015 Economizing on Power EH 2 152 anie ireira Elapsed Time 0044 Parameters Electrical
139. eeees Automatic Measurements ccccceceeeeseeeeceeeeeeees Automatic Recording cccccccccsseseeeceesesteaeeeeees Automatic Update of Software ccecceseeeeeeeees Auto naming of Projects Parameter A Weighting eoori terrre ae AE a EEIN AR Filter definition cc ce cccccccceseceesseeeeesseees Back erase Pushbutton Backlight Brightness EE EA toc bel A 69 eol a ccs coves heb bieess ots EE E E 33 SOQLtIN E A EOT 68 Backlight Brightness Parameter c ccccccseeeee 175 Backlight Dim Parameter cccccessseceeeeeseeees 176 Backlight ICOM ioiei somsis eieiei i 92 Bandwidth Parameters ccccccccccecsesssseeeeeesseres 148 Battery Charge Indicator ccccccccccessssscecececeeseseeaeees Charging for the First Time eseecssesreeee EoI E E E STACUS ren ironi i Eaa aia ieia iaa adioak Troubleshooting Battery ICON nesese Battery Pack QB 0061 Bottom F for Special Leq Parameter Brightness Setting cccccssccccessesseeceeeeeesaees Broadband Parameters Broadband Parameter Broadband Peak Parameter Broadband Statistics Parameter Broadband View ccccccccccccsssecececessessaeseesessseseeaees B weighting Filter definition BZ 5298 cescccessecsteceeees BZ 5503 cceeeeeeeeeeseeeeeeees Connect to Analyzer 06 Internet Connection Play Back Signal Recordings Update Software
140. eeeseseeees 16 Project Template Bar ccccccccccccsesssseeeeeeeeeees 31 SAVE cco cceese teeta E E RNET 32 Sound Level Meter cccccccsececsseeceesteeeeeeeeees 20 Temporarily Uninstall Applications ccccceeees 90 TOKE ICOM EAE E E yhsGades Seeess oadioeeehcetees 53 Text Messages anna entare eiaei raaes 79 Threshold Level sirere riiii eirinen ie 198 Threshold Level Parameter nesses 157 Time for Peak Sound Levels Topeak 24 Time REMAINING seeeseeseseseseseseseseseresererereserererererere 92 Time Weighted Average TWA cccccsccccsssceeeeees 25 Time Weighting ccccccecsessssececeeecsessseeeeeeeees 191 Time Weighting for Lav Parameter c ccccee 158 Time Weightings ccccccccccecsssssssceeeeecessesseeeeesens anaE Ao a E EE ea A ree eve Time Zone Parameter asees Time Clock Display ccccccee Timed Measured Parameters Timer Setup TME NS oie e ie e a Add and Delete Setup When Analyzer On cceee with Switch on Time 5 TIPS ANG TICKS ciie sebshadead lege cuebsavadnedachesvestadecerbhess Tone ASSESSMENE 0 0 cece ee eeeseseeeeaeeeaeeeaeaeaeaeaeeeneeees 211 212 According to ISO 1996 2 Annex D 6 123 CalCulations sciccc cusciccsceesavesteececusaidescteaevestneae 124 Default Setup 126 Display Results 128 Frequency Ranges Level Differences Manual Measurement 664 Setting Up vo ccececeecec
141. een Correction Broadband excl Peak Broadband Statistics based on Percentile N Table B 3 Occupational Health parameters Parameter Lep d VPeaks gt NNNGB Dose RQ ProjDose RQ Sound Field Correction Windscreen Correction Broadband excl Peak Broadband Peak Exposure Time Reference Time Threshold Level Criterion Level Peaks Over Level Exchange Rate for Lav Time Weighting for Lav Appendix C Analyzer Parameters This appendix describes the parameters for microphones and calibration C 1 Current Transducer Table C 1 Current transducer parameter Parameter Values Comment Transducer that is connected to 7op Socket Name and serial number of transducer This parameter selects which transducer is connected to the 7op Socket displayed in Setup gt Input and at the top of Transducers database C 2 Transducers The Transducers setup consists of a setup and a calibration history C 2 1 Microphone Setup Table C 2 Microphone setup parameters Parameter Values Comment Serial No Text string Insert unique ID for microphone Name Text string Insert name of microphone to display together with serial number Description Text string Insert description of microphone Preamplifier ID No Text string Document the pre
142. eeseeeeceeeeeeeeeees Printer WEE ACE E E R EET 8 Setting Sa eei on iiaia kaikiaan ania iania aia iaaa naie 72 Settings Parameters eeeseeeeeererrrrrrrrrererene 180 PININ E 5 cc cecels scecheode eves Gabhel bien inneas iir o Eiaa 72 Processed Parameters for Display 0000008 169 Ge ral irei ise aae i aaae 169 ISO EU Occupational Health cceeeees 169 Lweg 1 3 octave Spectrum s ssssssssiieeessiee 169 Lyeq SPECTrUM nssssssssssssssrissriessestsntesseesrentenes 169 Statisties e e a iae Eia E 169 Profile Overview sssssssssseesssssrissrrrreerrsresrrsssens 110 Profile VieW c cecieichecenasedocncdecussnseoliadhchentedorbents 108 PLO DOS EAEE E EAE 190 ProjDoSeUQ ne ccevevevcuevevesNeveses cbesadhantevncnantivncbeees 191 Project Name Prefix ccccscccccessssssseseeeeeesesseaees 71 Project Name Prefix Parameter c s ccccccceeees 178 Project Template Sound Level Meter Project Template Bar cccsccccessesssseceeeeeesesseaees Projects ANSUELISKS 02058 ecaticcesscuteeacndeevasah deatiscaces acess tensed Changing the Template Copy Paste Deleting Description MOVING ooe NAIMG seca E AAE EEE Name Prefix coccsic eisdethedicsetsacodeediebednenaseacindaies REUSE SOTUP ic ceeccnsetnsestencdeccncatlis dnousanseMestenacnt Setting S oiececcecaecadeececes acvascesevdedecsasdeveesscdecdeesee APG MPlAteS s cccSestecsesssdncaeces theese soe teostasantscescervessse Protector
143. eeseeeeeececeeeseeesceeeeees 4 Instrument Parameters cccssessecececeeeeeseeeeeeees 171 Interface External Device via USB cccccccccccssssesseeeeeeeees 8 High Speed USB Socket cccccccccesssssteeeeeeeeeees 6 PAN Socke Tix ccashiccsceesssedtassecstevesentaseateesaeaees 6 8 10 Micro USB Socket o e eeeecececeesssceceeeceseesteaeeeeceeees 7 Mini USB Socket ou cceccccessseeceeeceessseeeeeeeceeees 7 PHITCOR isorinis esineet ea iA 8 USB A Socket anemone aean aea bienni 8 USB SOCKET ai aai 8 Internal Battery Pack ccccccccccccssssseceeecessessseeeeeees 6 Internet Browsers CONNECTION Via eeccecccccccescecececececececeeececeeeeece 81 Internet CONNECTION cccseeeeesesestseseetsereeereeeees 57 Set up Analyzer eececcecececeessessseeeeeeeeseeseaeees 62 Update Software cccccccsssscsecceesssseeeeeeeeeees 88 Using DynDNS cccccsesesesesesesenssssereneanaes 74 Via LAN Or WLAN uuu ceececesecececessssteeeeeeeeeeeeeees 75 View and Control Analyzer ccsccccccccesesnees 62 ISO 1996 2 Annex D Tone Assessment Calculations ccccceeee 124 ISO EU Occupational Health Parameters 163 169 J Javascript Support ccceesesesesssesesssessseteteeeeeeees 81 Jobs Copy Paste Deleting 0 Description MOVING ccccceeeeee Navigating Setting Default K Key Backlight Parameter
144. ement of latitude longitude altitude and position error For Noise Monitoring Terminal Type 3639 A B and C details on how to mount and connect the GPS receiver using Utility Unit ZH 0689 or ZH 0705 please refer to Noise Monitoring Terminal Type 3639 A B and C User Manual BE 1818 e ND 100S GPS USB Dongle from Globalsat www globalsat com tw for measurement of latitude longitude and altitude e BU 353 Cable GPS with USB Interface from Globalsat for measurement of latitude longitude and altitude The GPS receivers with USB interface can be connected directly to the USB port on G4 analyzers On G1 3 analyzers the GPS receivers can be connected using USB Adaptor AO 0657 The first time you connect the GPS receiver to the analyzer or if it has been several days since you last connected them be sure to be in an open area with a clear view to the sky such as a park or empty field Wait for GPS initialization to complete This may take a few minutes depending on factors such as the distance from the previous coordinates GPS signal strength and surrounding terrain tall trees and buildings can block the satellite signals Once the Latitude and Longitude from the Special parameter group display data a fix has been initialized the LED on the GlobalSat GPS will also start to flash In some cases initialization can take up to several minutes depending on the conditions mentioned above before complete GPS data are displayed on
145. equency weighting here Z P Please note X frequency weighting A or B A requires that the Broadband excl Peak parameter is set to AC or AZ B requires that the Broadband excl Peak parameter is set to BC or BZ Spectrum X The frequency analysis 1 1 octave or 1 3 octave will C be frequency weighted in accordance with this Z parameter P Please note X frequency weighting A or B A requires that the Broadband excl Peak parameter is set to AC or AZ B requires that the Broadband excl Peak parameter is set to BC or BZ Bandwidth 1 1 octave Bandwidth of frequency analysis 1 3 octave Bottom F for Special Leq 12 5 Hzto Top 1 1 octave 16 Hz 8 kHz Frequency 1 3 octave 12 5 Hz 16 kHz Top Freq for Special Leq Bottom 1 1 octave 16 Hz 8kHz Frequency to 1 3 octave 12 5 Hz 16 kHz 20 kHz Requires 1 1 octave or 1 3 octave Frequency Analysis Software BZ 7131 or BZ 7132 respectively t The Bandwidth parameter cannot be set in Type 2250 L the setting is determined by the template For BZ 7131 BZ 7132 and BZ 7133 only Bottom F for Special Leq is f1 in the parameter LXeq f1 f2 tt Top F for Special Leq is f2 in the parameter LXeq f1 f2 148 Hand held Analyzer 2250 Light User Manual A 3 Statistics Table A 4 Statistics parameters Parameter Values Comment Broadband Statistics based on LXeq The broadband statistics are based on sampling the LX
146. equire a license for BZ 7223 and measurement of spectra Measurement Parameters B 4 1 Processed Parameters for Display Only The following general parameter is available for display for Total data Time Remaining for the current measurement taking available disk space into account The following ISO EU Occupational Health Parameters are calculated and displayed for Total Periodic Reports and Logged data Lep d e Lep d v If Statistics are available then Std Dev and 7 percentile levels can be calculated and displayed LXN1 or LXUN1 to LXNZ or LXUNZ If Lweg spectrum is available then NC NC Decisive Band NR NR Decisive Band RC RC Classification NCB NCB Classification can be calculated and displayed If Leg 1 3 octave spectrum is available then Loudness and Loudness Level can be calculated and displayed B 4 2 Relationship Between Setup and Measurement Parameters The measurement parameters are measured in accordance with the setup parameters Table B 1 through Table B 3 describe the relationship between the setup and measurement parameters Table B 1 General parameters Parameter LXeq LXE LXIeq LAFTeq LVpeak TVpeak LXYmax LXYmin Sound Field Correction Windscreen Correction Broadband excl Peak Broadband Peak 170 Hand held Analyzer 2250 Light User Manual Table B 2 Statistics Parameter LXYN Sound Field Correction Windscr
147. er Light Type 7831 for documenting reverberation time measurements or Microsoft Excel Signal recordings can be imported to Briel amp Kjaer s PULSE multi analyzer platform for further analysis For more information on Measurement Partner Suite BZ 5503 and the PULSE multi analyzer platform see our website at www bksv com or contact your local Bruel amp Kj r representative For further information on post processing and reporting capabilities please refer to the online help included with the relevant PC software This software is supplied on the Environmental Software DVD BZ 5298 included with your analyzer 7 3 Measurement Partner MP Field App Measurement Partner Field App is the recommended solution for on site measurement control and annotation 60 Hand held Analyzer 2250 Light User Manual MP Field App enables e Remote analyzer control e Remote display e Remote annotation of measurement data You can wirelessly connect to your analyzer from a smartphone when the analyzer is connected to the Internet or to the same network as the smartphone The analyzer can be connected through wired LAN 3G modem or Wi Fi connection to an access point or directly to the hotspot of the smartphone The Wi Fi connection can be made using USB Wi Fi Dongle UL 1050 preferred or SD WLAN Card UL 1025 for G4 or Ethernet CF Card UL 1016 for G1 G3 Once connection is made to the analyzer the instantaneous LAF profile is d
148. er Manual 2 2 Analyzer Components An overview of the main analyzer components is provided in Fig 2 1 and the text below Fig 2 1 Analyzer components 120172 1 CHAPTER 2 5 Assembling Your Analyzer 1 Measurement Microphone A Briel amp Kj r Prepolarized Free field 2 Microphone A robust and reliable microphone with a wide frequency range 2 Preamplifier Used to convert the high impedance output of the microphone to low impedance suitable for driving long extension cables 3 Manual Event 1 Pushbutton Manually indicate events during a measurement Using 2250 Light software BZ 7130 BZ 7131 and BZ 7132 you can control signal recording and using BZ 7133 you can insert an event marker and control recordings Please note Signal recording requires a Signal Recording Option BZ 7226 license 4 Manual Event 2 Pushbutton A second pushbutton is provided to allow you to mark a second type of event during a measurement 5 4 T Navigation Pushbuttons These move the active screen component Field Selector and navigate the user interface 6 Back erase Pushbutton Erase the last 5 seconds of measurement data or insert an Exclude Marker BZ 7133 Logging Software for 2250 Light only 7 v Accept Pushbutton Accept any changes you make to the analyzer s setup 8 Reset Measurement Pushbutton Clear the current measurement from the screen 9 4 Start Pause Continue Pushbutton Start pause
149. er setups and measurement data EXTERNAL MEMORY CARD Secure Digital SD and SDHC Card For store recall of measurement data CompactFlash CF Card Hardware versions 1 3 only For store recall of measurement data USB MEMORY STICK Hardware Version 4 only For store recall of measurement data Environmental WARM UP TIME From Power Off lt 2 minutes From Standby lt 10 seconds WEIGHT AND DIMENSIONS 650 g 23 oz including rechargeable battery 300 x 93 x 50 mm 11 8 x 3 7 x 1 9 including preamplifier and microphone User Interface PREFERENCES Date Time and Number formats can be specified LANGUAGE User Interface in Catalan Chinese People s Republic of China Chinese Taiwan Croatian Czech Danish English Flemish French German Hungarian Japanese Italian Korean Polish Portuguese Romanian Russian Serbian Slovenian Spanish Swedish Turkish and Ukrainian HELP Concise context sensitive help in Chinese People s Republic of China English French German Italian Japanese Polish Romanian Serbian Slovenian Spanish and Ukrainian UPDATE OF SOFTWARE Update to any version using BZ 5503 through USB or update via Internet e Hardware versions 1 3 the latest version only e Hardware version 4 any version from 4 0 and up REMOTE ACCESS Connect to the analyzer using Measurement Partner Suite BZ 5503 using Measurement Partner Field App iOS or Android smartphone app using the 2250 2
150. ess it if you press it a second time before Minimum Duration has elapsed then the recording will continue until Minimum Duration has elapsed pressing it a second time after Maximum Duration has elapsed will have no effect on the signal recording the Manual Event marker however will be stopped If you set Recording Control to Exc ude Event the recording will start the first time you press the Back Erase pushbutton during the measurement this starts an Exclude Event marker and a Sound marker and stop the second time you press it the behaviour will be similar to control by the Manual Event pushbutton When Recording Control is set to Externa Event and Trigger Input is set to Voltage Level then recording is started when the voltage level is high and stopped when voltage level is low details in Appendix A Duration Limit has no effect on this setting If you set Recording Control to A Events the recording will start when any of the events above become active and stop when all events are inactive again 119 120 Hand held Analyzer 2250 Light User Manual If Pre recording Time has been set then the recording will start this time before the Event appears This is possible because the recording is done continuously in an internal buffer ready to be saved as a wave file The Pre recording Time is limited by this buffer size and the Recording Quality details in Appendix A Please note Very long signal re
151. ess range 169 254 x x This will most likely be the case when connecting the analyzer directly to a PC using an Ethernet crossover cable Manually You setup the IP address manually This will typically be the case in a private network without a DHCP Server Connecting to the Analyzer Wired LAN Connection e Use a straight through standard Ethernet cable with RJ45 connectors at both ends to connect the analyzer to the network via a hub switch or router e Usea crossover Ethernet cable with RJ45 connectors at both ends to connect the analyzer directly to a PC G4 analyzers have an Auto MDIX facility allowing you to use either a straight through or crossover cable to connect to a network or PC Wi Fi Connection The analyzer provides a wireless LAN option using a Wi Fi device G4 analyzers accept the following SD WLAN card e USB Wi Fi Dongle UL 1050 e P322 802 11labg SD WLAN from Socket Mobile www socketmobile com G1 3 analyzers accept the following CF LAN and WLAN cards e 10 100 Ethernet Ruggedized CF Card from Socket Mobile www socketmobile com Br el amp Kjaer order number UL 1016 Go Wi Fi P500 CF WLAN rev B and rev C from Socket Mobile Br el amp Kjaer order number UL 1019 CHAPTER 8 7 Advanced Use of Your Analyzer Tips and Tricks 8 3 2 Parameters in Network Settings Location Use the Location parameter to specify a text up to 20 character long identifying the analyzer or location of the
152. esseeeees 73 GPS Data aaea enedascoctetocs a anai a a etini ti 25 Instantaneous ceceseccccecececececeesecececeeeeeeeseeees 25 GPS NOTE oni nie e tie evecaddechen s 21 83 GPS RECEIVER reenit arai iE Cea 21 GPS Receivers ineirsreniiiirar kocia aoii 82 CONNECTION eneee tstaceceniaceadiecneceactedtestane 83 GPS S ttiN GS ciesnse ehevaseecicvecnectececaeatseesdectcacsaseeceesse 83 H Handling the Analyzer ccccccccccessesssseceeseeeeesees 96 Handswitch ZH 0680 o cceccceccceseesseseeeeeeeeeeeees 146 Hardware Maintenance arenan gera SOQtU PD eare Ea e E Naa a aa Version uo Hardware Version Hardware Version 4 Headphone Settings Parameters Help H lp leo Meen enne a High Frequency Range High Speed USB Hinged Cover FB 0679 Hiss How to Move a License How to Use this Manual HT 00 Sza a HT 0015 Earphones 006 l Icon FSI o KEEA AEE OE EAT PAUSES naa eiae Power Supply Connected Running Stopped Icons eee A AEN EEE AEEA E E 33 Battery Status nececito 9 33 Fitted Diffuse Field ceser 32 HID en iaaa E bier adeoceaeaidene 26 Main Menu mennan naianei arenae bia inakaa itinin 28 Mains Power Connected cccsessscececesesseeeees 9 Overload minter Sooes e a a a R 32 Power Supply sssssesssssessssessssesssererssssseerersessrereese 33 REGORGIN Go ccszescasecascedcenssietts ves laoai Raer eite 117 Windscreen soimi e iiia i 32 IEC 616722 l arpa a
153. eters available at any time or timed measured parameters measured within a controlled time interval Timed Measured Parameters e Equivalent Continuous Sound Levels Leg example Leg e Moving or sliding Equivalent Continuous Sound Levels example LAeq T mov and LAeg T mov max e Peak Sound Levels Lpeak example Lepeak e Time for Peak Sound Level example Tcpeak CHAPTER 4 25 Getting to Know Your Analyzer e Maximum Time weighted Sound Levels Lmax example LAfmax e Minimum Time weighted Sound Levels Lmin example LAfmin e Percentile Levels Ly example Larog 0 Sound Exposure Level example Lag e Sound Exposure example E e Daily Noise Exposure Levels example Lep g Or Lex gh e Noise Dose example based on ISO standards Dose based on US standards DoseS5 e Number of Peaks example CPeaks gt 140 dB e Time Weighted Average example TWA e Level Average with Exchange Rates 4 5 or 6 example Layss e Weather data requires a weather station connected e GPS data requires a GPS device connected Instantaneous Measured Parameters e Instantaneous Time weighted Sound Levels L example Lap Sound Pressure Levels max levels once per second example Lar SPL e Instantaneous Peak Sound Levels example Lcpeak 1s e Instantaneous Weather data requires a weather station connected e Instantaneous GPS data requires a GPS device connected Please note See Appendix B for
154. f the modem or when you physically connect or disconnect the modem Set to GPRS EDGE HSPA Dialup if you have a GPRS EDGE HSPA modem connected and you want the analyzer to be connected to the Internet See Chapters 7 and 8 for more details Dialup Networking APN Access Point Name lt string of characters gt APN is an identifier required by the Network Operator Examples are internet public and www vodaphone de Please consult your network operator User Name lt string of characters gt Set User Name as required by your network operator Typically this can be left empty Password lt string of characters gt Set Password as required by your network operator Typically this can be left empty Domain lt string of characters gt Set Domain as required by your network operator Typically this can be left empty DynDNS Active No Set to Yes to make the update of IP address at Yes DynDNS com active Set to Wo if you don t use this service Hostname lt string of characters gt Set the Hostname defined in your account at DynDNS com User Name lt string of characters gt Set the User Name for your account at DynDNS com Password lt string of characters gt Set the Password for your account at DynDNS com The password will be displayed until you press Enter then it will be replaced by 181 182 Hand held Analyzer 2250 Light User Manual D 8 Network Se
155. f the trigger conditions The total record length will then as a maximum be the sum of Maximum Duration Pre recording Time and Post recording Time amp Please note If Maximum Duration 00 00 00 then it is disabled and does not limit the duration Requires license for Signal Recording Option BZ 7226 For Logging BZ 7133 template only A 10 Occupational Health Table A 11 Occupational health parameters APPENDIX A Setup Parameters Parameter Values Comment Exposure Time 00 01 00 to 1 00 00 00 Set the Exposure Time to the actual time that you are exposed to noise during a workday Used for calculation of Lep a and Lep d v Please note Exposure Time can be changed after the measurement has been done Reference Time 00 01 00 to 5 00 00 00 Set the Reference Time as required for calculation of Sound Exposure Level or Time Weighed Average with a reference time other than 8 hours Used for calculation of Lep qv and TWA Threshold Level 0 to 140 dB Any sound levels below the threshold value do not contribute to the Dose measurement data The time resolution for this calculation is 1 s for calculation of Dose and ProjDose and 10 ms for calculation of TWA TWA DoseUQ and ProjDoseUQ Used for calculation of Dose ProjDose TWA TWAv DoseUQ ProjDoseUQ U Time Weighting for Lav F or S Q Exchange Rate for Lav 4 5 or 6 dB Criterion Level 0 to 140 dB Cr
156. g all of the event or for preset minimum and maximum duration Selectable pre and post recording time Playback Playback of signal recordings can be listened to using earphone headphones connected to the headphone socket Gain Adjustment 60 dB to 60 dB Software Specifications Tone Assessment Option BZ 7231 LICENSE Tone Assessment Option BZ 7231 is enabled with a separate license and can be used with the 1 octave and logging template BZ 7132 and BZ 7133 TONE ASSESSMENT Tone assessment is based on the measured 1 3 octave spectrum in accordance with either the international ISO 1996 2007 Acoustics Description assessment and measurement of environmental noise part 2 Determination of environmental noise levels Annex D informative Objective method for assessing the audibility of tones in noise Simplified method SPECTRA ASSESSED The displayed 1 3 octave spectrum Leq may be assessed Assessment is made as post processing that is when measurement is paused or stopped 139 140 SETUP ACCORDING TO STANDARD Setups in violation of the standard are indicated as such on the display You can then accept to apply the default setup Tone assessment will be made if possible in spite of standard violations For tone assessment according to ISO 1996 2 Annex D you can set the division between the Low and Middle frequency range the division between the Middle and High frequency range and the limits for t
157. give short textual feedback on the pushbutton operation A visual indication of measurement status is also displayed on the status line by way of the Stopped icon W the Running icon gt and the Paused icon Fig 3 4 Fig 3 4 SOUND LEVEL METER Measurement ernal Disk Job 01 project 002 feedback in gt pb oo T the status LAF field LULIT L 30 50 70 90 110 130 150 LAeq 81 6 dB LCpeak 114 2 dB LAF90 0 49 3 dB LAFmax 101 8 dB Measurement Mode Manual 11 55 00 5 Toggle between different display parameters as required by tapping on each parameter field for example LAF90 0 in Fig 3 4 with the stylus and selecting other parameters from the drop down lists that appear dint The tabs at the bottom of the screen allow you to choose different ways of displaying the measurement results The Broadband tab shows an instantaneous Lap readout with associated bar graph and four measurement parameters followed by two measurement setup parameters The first parameter is displayed in a larger font size for better readability Fig 3 4 The XL View increases the size of the first parameter readout to a four digit full screen display including decimal point 6 Set Measurement Mode to Automaticand choose a preset time for your measurement Then repeat steps 3 and 4 The measurement will automatically pause after the preset time This allows you to either save your measurement or continue measuring as require
158. he Reset and Start Pause pushbuttons or Automaticcontrol start of measurement controlled by the Reset and Start Pause pushbuttons end of measurement automatically controlled by the analyzer when preset time has elapsed Preset Time 00 00 01 to Fixes the duration of a measurement from start to automatic stop 24 00 00 in hours minutes and seconds Any pauses made during the measurement via the Start Pause pushbutton are not counted in the preset time Preset Logging Time 0 00 00 01 to Fixesthe duration of ameasurement from start to automatic stop 31 00 00 00 in days hours minutes and seconds Logging Period 00 00 01 to Sets the period of the logging in hours minutes and seconds 24 00 00 Synchronize with Yes Select Yes to synchronize the logging intervals with whole Clock No minutes or hours for example if Logging Period is set to 00 01 00 1 minute and you start the measurement at 8 12 33 then the first logging interval will be from 8 12 33 to 8 12 59 27 seconds the second will be from 8 13 00 to 8 13 59 60 seconds etc Select Wo if you want every logging interval to be exactly the specified Logging Period T for LXeq T mov 00 01 00 to Sets the averaging time T in minutes of the moving Laeq and 01 00 00 moving Lceg When the averaging time T has elapsed the LaegT mov and Lceq T mov Parameters will contain the Laeg and Lceg Of the latest T minutes updated every second In addition you also have ALeq T mov za
159. he Total measurement contains only a single set of parameters Select Logged to display the measurement parameters from the logging intervals The cursor in the profile selects which logging interval is displayed in all the views Select Loggea 100 ms to display the Lpeg Lar or Las in the profile from the 100 ms logging intervals This setting does not display spectra or parameters in other views View the start time of the measurement for Tota or the start time of the current logging interval for Logged or Logged 100 ms if measuring and the profile is not frozen or the start time of the logging interval pointed out by the cursor Tap the Start Timein any of the tabs to select data from another logging interval View whether the display of the profile during the measurement is frozen or not When LE is animated the display is being updated with new logged data during the measurement You can freeze the display update by tapping on the icon This also freezes the icon Tap on the icon again to unfreeze the display Step forwards or backwards through the logging intervals on all displays using E and J The icons are also connected to the profile cursor so that any corresponding movement backwards or forwards through the intervals in one display will be reproduced in the other 109 110 Hand held Analyzer 2250 Light User Manual Some interaction with the display will automatically freeze and unfreeze the display only while meas
160. he level differences between adjacent bands Hand held Analyzer 2250 Light User Manual RESULTS Tones are indicated above the spectrum when Tone is selected as spectrum parameter The resulting adjustment can be viewed on the Value panel It is not saved with the measurement QUALITY INDICATORS On the display a quality indicator smiley will indicate that a hint is available for tone assessment quality Click on the indicator to see the hint Specifications Measurement Partner Suite BZ 5503 BZ 5503 is included with 2250 Light for easy synchronization of data between PC and 2250 Light BZ 5503 is supplied on DVD BZ 5298 PC REQUIREMENTS Operating System Windows 7 8 or 8 1 all in 32 bit or 64 bit versions Recommended PC e Intel Core i3 e Microsoft NET 4 5 e 2 GB of memory e Sound card e DVD drive e At least one available USB port e Solid State Drive ONLINE DISPLAY OF 2250 LIGHT DATA Measurements on 2250 Light can be controlled from the PC and displayed online with the PC using the same user interface on the PC as on 2250 Light Display 1024 x 768 1280 x 800 recommended DATA MANAGEMENT Explorer Facilities for easy management of Analyzers Archives MP Cloud archives Jobs and Projects copy cut paste delete rename create Synchronization Projects can be synchronized between PC and 2250 Light and between local and cloud archives Measurement Partner Suite merges MP Field App annot
161. hen standards and regulations require calibration before a measurement The method involves applying an acoustic signal of known magnitude and frequency to the microphone which calibrates all the analyzer s components microphone preamplifier and electrical circuitry Electrical Calibration To calibrate the Direct input use a stable sinusoidal voltage at a frequency between 150 Hz and 10 kHz The procedure is very similar to the Standard Calibration procedure for sound calibration described above however without the transducer mounting procedure 40 Hand held Analyzer 2250 Light User Manual Manual Calibration If no calibrator is available or a known amplification is introduced for example by analysing a tape recorded signal then you can type the sensitivity directly into the Sensitivityfield The analyzer will be regarded as uncalibrated and the text Unca will appear in the status field Charge Injection Calibration You can check the complete measurement chain during long term measurement using Charge Injection Calibration See section 5 7 5 3 Sound Level Calibration 5 3 1 Standard Calibration Use Sound Calibrator Type 4231 It provides a stable sound pressure at 1 kHz and has minimal susceptibility to environmental factors The procedure itself is relatively simple and on the analyzer the procedure is referred to as the Standard Calibration procedure To perform acoustic calibration and to fit the calibrato
162. ime of the measurement e Feedback on the action of pressing the following pushbuttons Reset Back erase Start Pause and Save amp e Indication that the measurement microphone is not calibrated In this case the word Uncal appears in the Status Field e Fouricons are used to represent whether or not a windscreen is fitted and whether you are measuring in a free or diffuse field i no windscreen fitted measuring in a free field no windscreen fitted measuring in a diffuse field windscreen fitted measuring in a free field windscreen fitted measuring in a diffuse field e Immediate textual feedback on overload underrange situation and latched overload indicated with Overload Third Line e Used for Logging See Status Field on page 109 View Area The View Area contains the screens required for a particular measurement such as bar graphs result readouts and various frequently used setup parameters that is Meas mode The template defines the content of this area More than one screen can be used for displaying the information Select the screen using the View Tabs at the bottom of the View area Changes made to the screens will only be applied temporarily that is until you select another project template or open another project to reuse the screen from that project However if you want the screen changes to be saved in the current template select the Save Template option fro
163. inates Fig 3 9 Hand held Analyzer 2250 Light User Manual NOTES x Example ofa GPS note Position 55 816730N 12 532855E 3 5 Altitude 16 6 Position error 12 1 15 32 27 If you do not have a GPS receiver but know the position for example from your smartphone you can manually key in the position in the GPS note The GPS note is headlined Position and includes the latitude and longitude For manual entries please enter the latitude and longitude in one of the following formats Degrees DD ddddddY DD ddddddx Example 55 816730N 12 532855E Degrees Minutes DD MM mmmmY DD MM mmmmX Example 55 49 0038N 12 31 9713E Degrees Minutes Seconds DD MM SS sssY DD MM SS SSSX Example 55 49 0 288N 12 31 58 278E where X EorW and Y NorS If you use degrees only then you can use instead of N S and E W example 43 08011N 79 071007W 43 08011 79 071007 You can use instead of space between latitude and longitude The GPS note can be used by Measurement Partner Suite MPS BZ 5503 to locate the measurement on Google Maps Switching Off Switch the analyzer off by pressing If held in for 1 second the analyzer goes into standby mode if held in for more than 4 seconds it switches the analyzer off The analyzer will automatically switch off when it has been in standby mode without external power for more than 30 hours 4 1 s Chapter 4 Getting to Know Your Analyzer Th
164. including decimal point The Spectrum view which only appears as a tab if 1 1 octave or 1 3 octave Frequency Analysis Software for 2250 Light BZ 7131 32 is enabled shows two different spectra being measured simultaneously In the example in Fig 10 2 Lzfmax and Lzp are being viewed at the same time Please note The Reference Spectrum ij and Main Spectrum at icons indicate which spectrum belongs to which parameter 1 Select which spectra to view by tapping the parameter fields in the two lines above the spectrum display These lines also include readouts of the spectrum values highlighted by the spectrum cursor Tap on the spectrum at the frequency of interest or just tap anywhere in the spectrum area and then move the cursor to the position of interest using the Left and Right arrow pushbuttons To the right of the spectrum two broadband bars of the same parameters are also displayed Fig 10 2 FREQUENCY ANALYZER 1 3 OCT Displaying the results Internal Disk Project 005 spectrum screen gt 00 00 25 if 1 25 kHz al 1 25 kHz 101 0 dB agua il i ws zil LAF 82 7 dB LAeq 86 1 dB Start Time 03 12 2013 12 55 50 Spectrum g ig te lare e 2 Adjust the X axis the horizontal frequency axis below the graphical display by tapping on the scale and accessing the drop down menu see Fig 10 3 use Set Lower Display Limit to set the lower frequency limit of the X axis use Set Higher Display Limit t
165. ing green G1 3 analyzers or changes from red to green G4 analyzers and the Calibrating Battery indication disappears from the pop up window 9 4 4 Touch Screen If tapping with the stylus on the screen seems to be getting more inaccurate you can adjust the touch sensitive screen as follows 1 Tap Main Menu Eq gt Preferences gt Display 2 Tap Adjust Touch Screen and follow the on screen instructions CHAPTER 9 93 Updating and Upgrading Applications Maintenance Calibration and Troubleshooting 9 4 5 Reset Options Reset Button Caution Unsaved data or setups will be lost when you reset the analyzer If your analyzer stops responding to pushbutton presses or taps reset and reboot the analyzer by pressing the Reset button located on the connector panel see section 2 2 with the stylus If you still experience problems try resetting your analyzer as described below Analyzer Reset 1 Reset the analyzer to a default factory installed state For G1 3 analyzers you will reset the analyzer to a default state where the user is set to 2250 Light and the project template is set to Sound Level Meter The existing Sound Level Meter project template will be overwritten as will the preferences for the user To reset the analyzer to the default state a Press and hold the Power on pushbutton for at least five seconds powers off b Press and hold down the Manual Event 2 and Save amp pushbuttons while
166. int CHAPTER 10 1 1 and 1 3 octave Frequency Analysis Optional Modules One Parameter wrap for displaying values from the main spectrum only but with the columns wrapped on the display to allow as many values as possible on the screen 12 5Hz 33 08 dB 4 95 dB 16Hz 38 30dB 9 56 dB 20Hz 40 07 dB 15 48 dB 25Hz 40 51dB 18 18 dB 31 5H2 55 54dB 23 32 dB 40Hz 61 40dB 28 12 dB 50Hz 66 89dB 28 83 dB 63Hz 68 68dB 28 98 dB 80Hz 72 19dB 31 19 dB 100 Hz 78 53dB 34 06 dB 125Hz 82 72dB 30 03 dB 160Hz 86 81dB 34 47 dB 200Hz 86 34dB 38 24 dB 250 Hz 87 64dB 38 97 dB 315Hz 87 93dB 42 21 dB gt 400Hz 9172dB 45 32 dB 500 Hz 92 44dB 66 11 dB 8 To exit the Spectrum Table tap 9 Auto Zoom and Auto Scale automatically close the drop down menu otherwise select Close tap outside the drop down list or use the left arrow pushbutton to close the menu A quick way of auto zooming is to tap anywhere in the spectrum and then press the Accept v pushbutton twice Please note Save the template if you want to use the display settings for other measurements Some parameters are calculated based on the spectra SIL PSIL SIL3 and Lxeq f1 f2 are calculated during the measurement and saved together with the other measurement data The Noise Parameters NC NR RC NCB Loudness and Loudness Level are for display only and calculated based on measured Lyeg spectra This means that whenever you have a Lyeq spectrum you can also calculate an
167. int Modem DynDNS Settings You can use the analyzer for monitoring in remote places and control it using Measurement Partner Suite BZ 5503 via a telephone connection wired or wireless using suitable modems or via network connections See the overview of possibilities in Table 7 1 When you connect via a modem or via a network connection you will see the contents of the analyzer in the Instrument CHAPTER 8 73 Advanced Use of Your Analyzer Tips and Tricks Task as if you had made the connection via USB You then have the same possibilities for transferring data to the Archive and organizing data on the analyzer as if you were connected via the USB connector The analyzer is connected directly to the Internet through a modem BZ 5503 or an Internet browser will then be able to connect to the analyzer through TCP IP using the analyzer s global IP address The setup of the modem connected to the analyzer is described in section 8 2 2 please refer to the BZ 5503 online help for details on how to make a connection 8 2 1 Connection to the Network using a LAN Modem Note The SIM card account should include a data subscription and should be usable without a pincode Using a3G modem with LAN interface is a simple and very reliable and powerful way of remotely connecting to the analyzer Set up the modem according to its user manual usually requires connection to a PC before you connect the modem to your analyzer When re
168. inue when connection is established again Please note The analyzer can continue measuring during the download period 5 When download is complete the measurement is paused and normal use of the analyzer is prevented Connections to the analyzer are terminated and the upgrade of the analyzer will start This will take 10 15 minutes and the analyzer will reboot when finished Any unsaved logging data will be saved and the analyzer is ready to use again 6 Connect to the analyzer again and verify the new software version by tapping J on the analyzer s screen then About To continue the measurement press the Start pushbutton Please note If you have set up your analyzer for email notifications see section 8 4 you will get an email in step 4 when the analyzer is paused and you will get a new e mail in step 5 when the analyzer has rebooted and is ready for connection again Fig 9 1 About screen showing the Check for updates on the Web link Fig 9 2 Software update screen showing the Check for Updates button Updating and Upgrading Applications Maintenance Calibration and Troubleshooting HELP x lt a Contents About License valid Ey Check for updates on the Web gt The above software modules can be in one of two states active not active Active means the software is running and using the current Project Template Copyright 2004 2009 by Briiel amp Kj r Sound amp Vibration Meas
169. ion is 1 s The noise level exceeded for 90 of the measurement period with A frequency weighting and Fast time weighting The level is based on statistical analysis of a parameter LAF or LAS sampled at 10 ms intervals into 0 2 dB wide classes The percentage is user definable An analysis of the statistical distributions of sound levels is a useful tool when assessing noise The analysis not only provides useful information about the variability of noise levels but is also prominent in many standards as the basis for assessing background noise For example Larogis used as an indicator of background noise levels while Lario or Lars are sometimes used to indicate the level of noise events The noise level exceeded for 90 of the measurement period with A frequency weighting The level is based on statistical analysis of Laeg sampled at 1 s intervals into 0 2 dB wide classes The percentage is user definable The Sound Pressure Level maximum time weighted sound level during the latest second is available at any time A denotes that the A frequency weighting is used F denotes that the Fast time weighting is used Taktmaximal Mittelungspegel as defined by DIN 45641 Larteg has also been called Lartms OF Latmsr Average Sound Level with Time Weighting U F or S and Exchange Rate Q 4 5 or 6 This is a widely used occupational health noise parameter in the USA corresponding to the Lpeg used otherwise 193 194 Hand held Analyzer
170. is chapter describes the basic features and functions of your analyzer including e What a sound level meter SLM is e What the hand held analyzer can do e How to get help e What is Measurement Partner Suite e How to navigate through the user interface What is a Sound Level Meter A Sound Level Meter SLM is an analyzer that is designed to measure sound levels in a standardized way An SLM comprises a microphone a preamplifier a main processor and a read out unit The microphone converts the sound signal into an equivalent electric signal The electric signal that the microphone creates is at a very low level so it is made stronger with the help of a preamplifier before it is processed by the main processor Processing includes applying frequency and time weightings to the signal as specified by international standards such as IEC 61672 1 to which the analyzer conforms Frequency weighting adjusts how the SLM responds to different sound frequencies This is necessary because the human ear s sensitivity to sound varies according to the sound s frequency The most commonly used frequency weighting is A weighting which adjusts a signal in a way that best resembles the human ear s response at medium range levels A weighting is required for nearly all environmental and workplace noise measurements and is specified in international and national standards and guidelines All of the analyzers measurement parameters apply A or B weighti
171. is measured and used for calibration Once the calibration has been completed successfully the traffic light indicates a short yellow flash every 5 seconds The Sensitivityis automatically calculated and displayed in a pop up together with the deviation from the last calibration Tap Yes to accept and use the new sensitivity and save it in the calibration history Tap Vo to disregard the new calibration and continue with the old calibration If the calibration deviates more than 1 5 dB from the initial calibration then the calibration is stopped without changing the calibration of the analyzer The traffic light will indicate a fast flashing red and an error description will appear in the status field Ifthe microphone is separated from the analyzer using a microphone extension cable then place the analyzer so it can be seen from the location of the microphone Start the calibration process select the Calibration screen and tap the Start Calibration button on the screen then go to the microphone and fit the calibrator onto the microphone switch on the calibrator and monitor the traffic light on the analyzer as discussed previously 8 Once you have completed the calibration tap the Exit Calibration calibrator It will automatically switch off after a few seconds button and remove the 42 Hand held Analyzer 2250 Light User Manual 5 3 2 Calibration Settings To view the calibration details sele
172. isplayed and you can start stop and pause your measurement from a safe distance Fig 7 1 No SIM 100 a 10 30 MP Field App showing h Op the instantaneous LAF LAF Running 10 30 45 res pita 2 AA A 10 29 51 10 30 14 10 30 36 K amp O E NE z 7 3 1 Annotations MP Field App supports the following annotation types e Note e Voice commentary e Image e Video e GPS All annotations are uploaded to MP Cloud for merging with the project in Measurement Partner Suite CHAPTER 7 61 Connection to PC or Smartphone or Measurement Partner Field App 7 3 2 Connect the Analyzer to MP Field App To connect using a smartphone hotspot On the smartphone 1 Create a personal hotspot Consult your smartphone help for instructions specific to your device On the analyzer 2 Switch on the analyzer 3 Plug in Wi Fi Dongle UL 1050 preferred or WLAN SD card UL 1021 for G4 analyzers or WLAN CF card UL 1019 for G1 3 analyzers Please note The CF card requires additional input See section 8 3 for additional information 4 Tap Main Menu gt Preferences gt Network a IP Address and select Automatically b Available Networks and select the hotspot you set up On the smartphone 5 Open MP Field App 6 Tap 4 to open the Instruments screen 7 Tap your analyzer s serial number to connect Please note For subsequent uses MP Field App should recognize your analyzer and connect automatically However th
173. ist Strap Tripod Mounting Thread Attach a wrist strap to the analyzer for added security or use it to mount the analyzer onto the tripod and or tripod extension using Tripod Adaptor UA 1673 19 Internal Battery Pack Rechargeable high capacity Li Ion battery pack to power the analyzer 20 Hinged Cover A removable plastic cover is provided which is hinged at the top to provide protection for the connector panel underneath To remove open the cover and pull the hinge out of the slot at the top of the connector panel The cover includes a rubber insert printed with an overview of the main connectors and reset button for easy recognition Indents are provided on the inside of the cover behind the insert that allow you to drill holes in the plastic cover giving access to the main connectors underneath so you can fit the cover while power or other cables are connected 21 High Speed USB and LAN Interfaces G4 analyzers only Fast seamless transfer of data and recordings back to the office Both high speed interfaces USB or LAN can be used when the analyzer is located in close proximity to the PC However if the analyzer is remote from the host PC the LAN interface has the further advantage of data download from anywhere within the same LAN network Both interfaces are not just used for data download but also for remote monitoring and remote control 22 G4 Mark Indicates that the hardware is version 4 Without this mark your h
174. it grips onto the body of the microphone and preamplifier Ensure that the microphone lead sits properly in the plastic guide You are ready to start measuring see Chapter 3 2 5 4 Measuring for Convenience Measurements that need to be done at short notice with no particular accuracy can be carried out by simply holding the analyzer or using any combination of hardware components and accessories shown in Fig 2 4 J 15 Chapter 3 Making Your First Measurement This chapter describes e Point and shoot measurements e Basic measurements e Saving your data e Documenting the results It assumes you have just received your analyzer and are turning it on for the first time Please note A stylus is stored in a holder on the side of the analyzer see item 15 in Fig 2 1 This can be 3 1 used on the touch sensitive screen to select icons and functions during the procedures that follow Alternatively you can use the various pushbuttons see items 3 to 11 in Fig 2 1 The following procedures assume that the measurement microphone and preamplifier have been mounted as described in Chapter 2 and that the analyzer has a fully charged battery see section 2 5 1 Point and Shoot Using the following basic procedure you will be able to start using your hand held analyzer immediately to make measurements and start the familiarization process 1 Switch on by pressing and make sure the Sound Level Meter project template is selected
175. itSetups ecccccs sci dccsidoteasscvncs aaseue nck ce csalbabacdececaaseasbennddecsoenslabecdedeevsadocded aree lous elewees C 4 Type 2250 L Microphones ccccsssecccccsesesssecececsesseaececececesesaeseeececeeseeaeseeeessesesaeseeseseeesaeees 174 APPENDIX D PFETEFENCES viscacceeseinistenncsesactnsvececenecnosaensibexcdsceensssontuaesccecebess scans essesedensosssaeneseeseaueusienseses seeds D4 Display S ttingsesccsississievesaisasdloxceccees bsensnetce a N torte tateeas lade dusassevserent a ETit D 2 Power Settings D 3 Regional Settings D 4 Storage Settings D 5 Headphone Settings D 6 Printer Settings D 7 Modem DynDNS Settings 066 D 8 Network Settings cc cccccccccscssssececeesssteeseeeseeees D 9 Measurement Partner Cloud Settings D510 Notification Setting Szenen niea E E E E tone sesueddes vesasantoadiedcedssadechassnace D41 Rem te Access Settings eeni E Teaia e a aA e REEE E SEAE ioi D 12 NMT Server Settings G4 analyzers only ccccsccccssscecsssceceessececsessececsseseeeaesecsesseesenseeees APPENDIX E GIOSS ANY AEAEE EEEN EEEE E E AEE E EE E E 189 E Chapter 1 Introduction 1 1 Welcome This user manual describes the 2250 Light Type 2250 L including e Sound Level Meter Software for 2250 Light BZ 7130 e 1 1 octave Frequency Analysis Software for 2250 Light BZ 7131 e 1 3 octave Frequency Analysis Software for 2250 Light BZ 7132
176. iterion Level is the sound level allowed for an 8 hour period and would yield a 100 dose The criterion level must be set according to the legislation with which you will have to comply Used for calculation of Dose ProjDose DoseUQ ProjDoseUQ U Time Weighting for Lav F or S Q Exchange Rate for Lav 4 5 or 6 dB PeaksOver Level 0 to 200 dB Any peak levels that exceed the level set here will be counted Used for calculation of XPeaks gt NNNaB X A B Cor Z set by Setup gt Frequency Settings gt BB Peak NNN is the PeaksOver Leve Please note Two other peak counters are preset to count peaks over 135 dB and 137 dB respectively 157 158 Hand held Analyzer 2250 Light User Manual Table A 11 Continued Occupational health parameters Parameter Values Comment Exchange Rate for Lav 4 dB The increase in noise level that corresponds to a 5 dB doubling of the noise level is determined by 6 dB Exchange Rate for Lav Set Exchange Rate for Lav as required by your local standards Used for calculation of LavUQ TWA TWA DoseUQ ProjDoseUQ U Time Weighting for Lav F or S Q Exchange Rate for Lav 4 5 or 6 dB Please note TWA and TWA require V Sand Q 5 Time Weighting for Lav F Lav will be time weighted in accordance with this S parameter Used for calculation of LavUQ TWA TWA DoseUQ ProjDoseUQ U Time Weighting for Lav F or S Q Exchange Rate for Lav 4 5 or 6 dB
177. ition error Requires connection to a GPS receiver Data Management PROJECT TEMPLATE Defines the display and measurement settings Setups can be locked and password protected PROJECT Measurement data stored with the project template JOB Projects are organized in jobs Explorer facilities for easy management of data copy cut paste delete rename view data open project create job set default project name Software Specifications 1 1 octave Frequency Analysis Software for 2250 Light BZ 7131 and 1 3 octave Frequency Analysis Software for 2250 Light BZ 7132 The specifications for BZ 7131 and BZ 7132 include the specifications for Sound Level Meter Software for 2250 Light BZ 7130 BZ 7131 and BZ 7132 add Standards Conforms with the following National and International Standards e IEC 61260 1 2014 1 1 octave Bands and 1 8 octave Bands Class 1 e IEC 61260 1995 07 plus Amendment 1 2001 09 1 1 octave Bands and 1 8 octave Bands Class 0 e ANSI 1 11 1986 1 1 octave Bands and 1 3 octave Bands Order 3 Type O C e ANSI 1 11 2004 1 1 octave Bands and 1 3 octave Bands Class 0 e ANSI ASA 1 11 2014 Part 1 1 1 octave Bands and 1 3 octave Bands Class 1 Frequency Analysis CENTRE FREQUENCIES 1 1 octave Band Centre Frequencies BZ 7131 only 16 Hz to 8 kHz 1 3 octave Band Centre Frequencies BZ 7132 only 12 5 Hz to 16 kHz MEASUREMENTS X frequency weightings A B C or Z Spectra for Display
178. krainian HELP Concise context sensitive help in English Not all data are available in all exports The data exported are dependent on the type and target of the export Ordering Information Type 2250 L D10 Hand held Analyzer with Sound Level Meter Software BZ 7130 Hand held Analyzer with Sound Level Meter Software BZ 7130 and 1 1 octave Frequency Analysis Software BZ 7131 Hand held Analyzer with Sound Level Meter Software BZ 7130 1 8 octave Frequency Analysis Software BZ 7132 and 1 1 octave Frequency Analysis Software BZ 7132 Hand held Analyzer with Sound Level Meter Software BZ 7130 and Logging Software BZ 7133 Hand held Analyzer with Sound Level Meter Software BZ 7130 1 1 octave Frequency Analysis Software BZ 7131 1 3 octave Frequency Analysis Software BZ 7132 and Logging Software BZ 7133 Included with Type 2250 L e Type 4950 Prepolarized Free field Microphone e ZC 0032 Microphone Preamplifier e AO 1494 USB Standard A to USB Micro B Interface Cable for hardware version 4 1 8 m 6 ft e AO 1476 USB Standard A to USB Mini B Interface Cable for hardware versions 1 3 1 8 m 6 ft e BZ 5298 Environmental Software DVD including Measurement Partner Suite BZ 5503 e ZG 0426 Mains Power Supply QB 0061 Battery Pack FB 0691 Hinged Cover for Hand held Analyzer UA 0237 90 mm dia Windscreen DH 0696 Wrist Strap KE 0441 Protective Cover for 2250 Light UA 1654 5 Extra Styli
179. lable with Logging Software BZ 7133 Tap Main Menu gt Calibration from the list Click the CIC tab to view the various CIC parameters that are available The available parameters will include the results of the latest manual CIC together with the reference Fig 5 9 The status field at the top of the screen informs you how to perform the CIC Press the Start CIC button to start the CIC After approximately 10 s you will see the result Normally the CIC Reference Ratio is set the very first time a CIC is performed however you should update the CIC Reference Ratio if you change the microphone preamplifier You do this by checking the Use as new Reference checkbox The CIC Reference Ratio and CIC Ref Date parameters display the results of the very first manual CIC and this will be used as the reference for all subsequent CIC Ratio measurements Please note Each microphone in the transducer database has a CIC Reference Ratio If the CIC Ratio parameter deviates by more than 0 5 dB from the CIC Reference Ratio there may be a problem and it should be investigated Fig 5 9 CIC tab Ensure quiet conditions and then press the Start CIC button below CIC Reference Ratio 38 07 dB CIC Ref Date 27 11 2008 22 13 49 CIC Ratio 38 10 dB CIC Ratio Date 01 12 2008 10 49 01 Deviation from Reference 0 03 dB CIC Result Passed Input Channel Ch 1 Start CIC Calibr Details Remind m gt 20 57 49 The result of the Cha
180. late Percentile Levels and Std Dev per logging interval These parameters require a license for either BZ 7131 or BZ 7132 and measurement of spectra B 3 B 3 1 Measurement Parameters Weather Data requires connection to a weather station e Wind Dir avg e Wind Dir min e Wind Dir max e Wind Speed avg e Wind Speed min e Wind Speed max Amb Temperature Amb Humidity e Amb Pressure Rainfall Up to three or all of the following Spectrum parameters can be logged and displayed on the spectrum display Lweg LwFmax LWsSmax LWFmin Lwsmin Logged 100 ms Measurement For Logging Software for 2250 Light BZ 7133 The following Broadband parameters can be logged every 100 ms Lag LaF e Las These parameters require a license for either BZ 7131 or BZ 7132 and measurement of spectra 167 168 B 4 Hand held Analyzer 2250 Light User Manual Instantaneous Measured Parameters available at any time Instantaneous Time weighted Sound Levels Lx e Lys Lx Ly e Lys e Ly Sound Pressure Levels maximum time weighted sound levels once per second LXF SPL LXS SPL e LXUSPL e LYF SPL e LYS SPL e LYNSPL Peak Sound Levels maximum peak sound level once per second Lypeak 1s Instantaneous Weather Data e Wind Dir Wind Speed Instantaneous GPS Data Latitude e Longitude Instantaneous Measured Spectra These parameters r
181. lations standards and guidelines All descriptions illustrations and any other information relating to the product are made by way of general description are approximate only and for the general guidance and information of the user They cannot be construed to imply representation or warranty as to their accuracy currency or completeness and are not intended to form the basis of any contract The information in this document does not constitute a warranty representation or guarantee concerning the suitability or performance of the product Briel amp Kj r shall not be liable for any loss whether direct indirect incidental or consequential arising from the use of or reliance upon any of the content of this document regardless of whether such content has been accurate or complete Briel amp Kjaer will not pay any damages whether for loss or injury punitive or otherwise because of use of or reliance upon any of the content in this document Briel amp Kj r and all other trademarks service marks trade names logos and product names are the property of Bruel amp Kj r or a third party company Nothing in this document may be construed as granting by implication or otherwise any license or right to use any of the trademarks withouta priorwritten permission of Briel amp Kj r or the owner of such trademark Briel amp Kj r All rights reserved Briel amp Kjaer Sound amp Vibration Measurement A S DK 2850 N rum
182. ld control a normal Sound Level Meter measurement using Start Pause Continue Back erase and Reset pushbuttons see Chapter 3 for more details When the measurement signal is being recorded the Recording icon is displayed in the Status Field The recording is attached to the project as an annotation The Annotations icon is then displayed to indicate that the project has been annotated When Recording Control is set to Automatic the recording will start when the measurement is started and last for the Maximum Duration or the Elapsed Time whichever is smallest If you continue a paused measurement then a new recording is started When Recording Control is set to Manual Event the recording will start the first time you press the Manual Event pushbutton during the measurement and stop the second time you press it if you press it a second time before the Minimum Duration has elapsed then the recording will continue until Minimum Duration has elapsed if you press it a second time after Maximum Duration has elapsed then the recording has already been stopped when Maximum Duration elapsed and the pushbutton will initiate a new recording instead When Recording Control is set to Externa Event and Trigger Input is set to Voltage Level then recording is started when the voltage level is high and stopped when voltage level is low details in Appendix A Duration Limit has no effect on this setting If Pre recor
183. lows 1 Screw Tripod Extension Stem UA 1651 onto the threaded stud of the ball joint on Small Tripod UA 0801 Secure the ball joint roughly in a vertical position that is in line with the tripod until ready to follow the instruction in step 4 2 Screw the Extension Stem UA 1651 into the analyzer using the threaded socket at the lower back of the analyzer see item 18 in Fig 2 1 3 Set Small Tripod UA 0801 including 2250 Light in the required position and adjust it to the required height Ensure that one of the three legs is pointing roughly in the same direction as the analyzer needs to point referred to as the front leg 4 Position the extension stem at an angle of 45 to the horizontal and vertically in line with the front leg of the tripod to ensure the whole setup is stable Please note The procedure is the same if Tripod UA 0587 is used instead of Small Tripod UA 0801 You are ready to start measuring see Chapter 3 2 5 3 Alternative Measurement Method Extended Microphone The measurement microphone can be placed a distance from the analyzer by connecting an extension cable and fitting the microphone to a microphone holder The analyzer should be set up using the following assembly instructions This is to ensure that the accessories have limited acoustical influence on the analyzer during measurement All the components described below are shown in Fig 2 1 and Fig 2 4 14 Hand held Analyzer 2250 Light User
184. ls The top level is the Memory level where physical memory devices can be selected You can select e With G1 3 analyzers Internal Disk SD Card if a card is inserted in the SD slot CF Card if a card is inserted in the CF slot e With G4 analyzers Internal Disk SD Card B if a card is inserted in the bottom SD slot SD Card T if a card is inserted in the top SD slot USB Mem if a memory stick is inserted in the USB Standard A socket To go down one level that is exit the Memory level tap on the job name Jnterna Diskin this case and select Open from the drop down list or tap Memory jj next to Internal Disk Tap O to create a new job folder The first job folder name will be Job 01 subsequent job folders will be labelled Job 02 Job 03 etc You can rename the job folder name by tapping on the name and selecting Rename from the drop down list Use the keyboard to key in a new name accept by tapping Enter To go down one level open a job you tap the job name in the list and select Open from the drop down list or tap the job icon to the left of the job name You can move a job project and its content to another job by tapping the job name project name and selecting Cut from the drop down list Then navigate to the job you want as the new holder of the moved job project and tap on Paste 2 or navigate to the level above and tap on the job name and select Paste from the drop down list I
185. m of the screen Tap J to accept the changes and return to the previous screen 6 4 Measurement Partner Cloud MP Cloud is a service that allows you to securely upload projects including metadata to the cloud for storage sharing or transfer from the analyzer to PC Measurement data are uploaded using an encrypted HTTPS connection and are immediately available for post processing by authorized users For more information on data sharing and post processing see Measurement Partner Suite BZ 5503 Online Help 6 4 1 Connecting the Analyzer to MP Cloud In order to be able to connect an analyzer to MP Cloud you must have An MP Cloud account cloud bksv com e An Internet connection LAN Wi Fi etc see Chapter 7 Connect an Analyzer to MP Cloud You can connect the analyzer to the cloud directly on the analyzer or set up the connection remotely using Measurement Partner Suite BZ 5503 To set up the connection using Measurement Partner Suite see Measurement Partner Suite BZ 5503 Online Help To connect directly through the analyzer 1 Connect to the Internet Chapter 7 2 Tap Cloud in the Shortcut bar then MP Cloud 54 Hand held Analyzer 2250 Light User Manual Fig 6 3 The Cloud icon 20 20 00 00 00 00 00 50 gt gt You can also navigate to the MP Cloud settings by tapping Main Menu EG gt Preferences gt MP Cloud 3 Tap Account and select Logged in Instructions shown in Fig 6 4 will
186. m the Main Menu Eq Hint If you make changes to the screen that you do not want to keep and you have not yet saved the template you can undo them by selecting the template again from the Project Template Bar at the top of the screen CHAPTER 4 33 Getting to Know Your Analyzer Shortcut Bar The Shortcut Bar at the bottom of the screen displays a number of fixed icons that are always accessible These include Main Menu FE accesses the Main Menu This allows you to navigate to a specific function see description earlier under Navigation Principles Backlight EX select a backlight level Help J get context sensitive help from any screen by tapping on the icon at the bottom Closing the Help screen will return you to the previous screen Battery Power Status shows the battery condition All green shows a fully charged battery while red means power levels are low Tap the icon to get more details of the battery condition When the power supply lead is connected is displayed in place of Battery Power Status E e The clock in the lower right corner displays the current time Tap the readout to get details of the time and date or to set the clock 4 5 3 Use of Pushbuttons for Controlling Measurements The design of the analyzer is such that the layout of the pushbuttons has been optimized for single handed operation Reset Measurement Pushbutton Use the Reset pushbutton to reset a measurement that is to
187. n 4 5 6 The Full tab at the bottom of the screen allows you to view the complete list of setup parameters while the Quick tab allows you to access the more frequently used parameters When you have finished viewing or updating the parameters tap EJ to return to the Measurement screen Changes made to the setup will only be applied temporarily that is until you select another project template or open another project to reuse the setup from that project However if you want the setup changes to be saved in the current template select the Save Template option from the Main Menu Eq Hint e Ifyou make changes to the setup that you do not want to keep and you have not yet saved the template you can undo them by selecting the template again from the Project Template Bar at the top of the screen e You can lock your settings to prevent accidental changes by tapping on the padlock icon Fa on top of the screen To unlock tap on the padlock icon again When locking the template you get the option of password protecting the lock If you choose this then you enter a password 4 5 2 Hand held Analyzer 2250 Light User Manual Preferences The Preferences screen is accessed from Main Menu and gives you access to the analyzer s preferences These include things such as regional settings appearance of the screen power management and language You can change these as required see section 4 5 6 For more information refer to section 8
188. n eni 13 to Mobile Smartphone ccccccsceesseesseceeeeees 57 via Dialup via DynDNS via LAN via LAN Modem via Network E e EE E E E E A 6 E R E AAE E EA 7 Controlling Logging ocen ie n eiii 108 Measurement cccececeeceeeeseececeeeeeeeeeeeeees 18 33 Recording oasi otiia 117 Conventions Used in this Manual ccccccesereees 1 Copy Paste Jobs and Projects cccsceesecsseceeeeees 51 Correction Microph Nh e 44 Cover for Analyzer sseesesssesesessrssssrerersessrerrersessesreee 6 Criterion Level sneaiceanna aiio 189 Criterion Level Parameter ccccesssecececeeseeees 157 Crossover Cable ccccccccssssscecececsessseeeeeeessssseaeees 76 Current Transducer Parameters ccccccccccceeseseees 171 Cweighting 0 cece cccecessesseecececeessseseeseeeceeseeeaeees 23 Filter definition ccccccccececsssseeeesseeeeeees 189 D Daily Noise Exposure Levels Lop q Or Lex gh 25 Data Management cccccccccessessecececeeeeneseseeeeeees Data Problems inneren kie e BERCIA EEEE r EE D te Format ea e t aeiiae ae ii e Eai E Date Format Parameter Date Separator enesesse Date Separator Parameter DDNS Decibel AB dansen ra a e a ER Decimal Places Number of Decimal Point aeeseesseesssseerese Decimal Point Parameter Default Measurement Job Path 201 202 Deleting Jobs and Projects ccceecccsesecececesseeeeeeee
189. n is sent if internal battery enters the set Low state Critical Disk Space 0 to 100 A notification is sent if free disk space drops to or below this setting Email To lt string of characters gt The email address of the recipient of the email Example recipient gmail com Note To find the symbol click lt Ctrl gt SMTP lt string of characters gt Name of SMTP Simple Mail Transfer Protocol Server Examples gmail smtp gmail com hotmail smtp live com SMTP Port Oto 65535 Port used by SMTP Server Typically this is 25 but for Gmail Google Mail and Microsoft Hotmail it is 587 SSL TLS No Secure Socket Layer Transport Layer Security Yes Set to Yes if required by email provider otherwise Wo SSL TLS is required by Gmail and Hotmail 185 186 Table D 10 Continued Notification settings Hand held Analyzer 2250 Light User Manual Parameter Values Comment Account lt string of characters gt The Account is typically the email address used for sending the e mail Examples myaddress gmail com myaddress hotmail com User Name lt string of characters gt The User Nameis typically the email address used forthe account Examples myaddress gmail com myaddress hotmail com If the email account is part of adomain then it might be necessary to specify the domain as part of the user name Example Domain UserName Password lt string of characters g
190. n order to copy ajob project do as described above but use Copyinstead of Cutfrom the drop down list Select De ete from the drop down list in order to delete the job project and all of its contents You can select more than one job project for copy cut or delete by tapping and holding the stylus on a job project name and then dragging the stylus up or down to select other jobs projects Selecting Default Measurement Job Path Tap to select the current job as the default measurement job where all projects will be saved when you press the Save amp pushbutton The job name followed by the current project name will appear in the topmost line in the status area to confirm which job you have selected 6 3 6 3 1 6 3 2 Hand held Analyzer 2250 Light User Manual Recalling Measurements You can recall your measurement results to display the measured results reuse setups from previously saved projects or view logged data as a profile Use the Open command in Explorer this will recall the project template display settings and measurement setup used on the saved results along with the results This will however stop and reset the current measurement Viewing Data and Reusing Setups from Projects From Main Menu H gt Explorer locate the project with the setup you want to reuse then tap on the project name and select Open from the drop down that appears This will stop and reset the current measurement and load th
191. n the status of the connection and upload I Logged out of MP Cloud DJ Logged in all has been uploaded B Logged in upload in progress M Logged in upload paused EB Logged in but not connected to the account To Resume or Pause Uploading Check MP Cloud Status or Change Parameters Tap the Cloud icon to open a drop down menu Pause Upload or Resume Upload depending on the current upload state MP Cloud Status provides status see Fig 6 5 MP Cloud a shortcut to MP Cloud parameters amp Please note The first time you connect to MP Cloud and when you are logged out only MP Cloud will be available Fig 6 5 INFORMATION Example of MP Cloud Upload paused Status Remaining 0 kB Used 0 2 of 32 0 GB Archive Bucket Account Aim Uolet E mail m nosel com 56 Hand held Analyzer 2250 Light User Manual To Log in to MP Cloud 1 Tap Cloud 79 or tap Main Menu gt Preferences gt MP Cloud 2 Tap Account then Logged in To set the archive in the cloud to which the data will upload 1 Tap Main Menu Eq gt Preferences gt MP Cloud gt Archive and enter the archive name Please note If that archive does not exist it will be created when you tap the Enter key To delete a project from the analyzer or move the project to another storage device after a successful upload to MP Cloud 1 Tap Main Menu gt Preferences gt MP Cloud gt Action after upload and select Move project if you want to
192. nal 6 Set Recording Quality to High Medium Fair or Low in accordance with your needs Please note High quality requires more disk space than low quality details in Appendix A 7 Set Recorded Signal to either Input A 8 weighted Input C weighted or Input Z weighted A B weighting is determined by setting the parameter in Main Menu gt Setup gt Frequency Settings gt Broadband excl Peak Input C weighted is suitable for recordings used afterwards to identify the sound source it contains all the audible content of the signal but reduces the low frequency noise from wind etc 8 Set Automatic Gain Control to On if you just want to listen to the signal afterwards The full 120 dB dynamic range from max input level and down will be converted to 40 dB and the signal is stored as a 16 bit WAV file Set Automatic Gain Control to Offif you need to record calibrated signals or need to analyse the wav file afterwards on a PC Set Resolution to 24 bit recommended to cover the full 120 dB dynamic range from max input level and down or set Resolution to 16 bit and specify the Peak Recording Level 9 Tap Eq gt Setup gt Input gt Trigger Input and select a trigger if you want to start the signal recording using an external trigger signal See details in Appendix A To exit the screen tap EJ CHAPTER 12 Signal Recording Optional 12 1 2 Controlling the Recording The measurement is controlled in the same way you wou
193. nalyzer With G4 analyzers you can insert a USB Type A stick at the bottom of the analyzer 116 Hand held Analyzer 2250 Light User Manual Please note You cannot record the signal on the internal disk 3 Tap Main Menu gt Explorer Navigate to the memory card create a job folder for the measurements and set the default measurement job path as described in Chapter 6 4 Tap Main Menu FE gt Setup Set all the parameters as required for the Sound Level Meter or Frequency Analyzer measurement see Chapter 3 and Chapter 10 respectively 5 Under Signal Recording you can specify the Recording Control parameters as follows Automatic if you want to start the recording when you start the measurement and stop when you pause the measurement and to limit the recording to Maximum Duration if Duration Limit is set to On Manual Event if you want to start and stop the recording using the Manual Event pushbutton during the measurement and to limit the duration of the recording if Duration Limit is set to On In this case the recording will be at least Minimum Duration long but no longer than the Maximum Duration Use Pre recording Time and Post recording Time to specify how much extra you want to be recorded before and after the event External Event if you want to start and stop the recording using an external trigger signal connected to the Trigger Input See details in Appendix A Off if you do not want to record the sig
194. nations are indicated by bold type face within angle brackets for example lt Ctrl b gt means you should press the Ctrl button and b button at the same time 1 2 2 Beginners Before you read the rest of this manual read Briel amp Kj r s primer on Measuring Sound This will give you a basic idea of acoustic measurements It can be found on the www bksv com website by typing Primer in the search window The website also contains lots of other information you might find useful Further information is available in the online help installed on the analyzer 1 2 3 Experienced Users of Acoustic Measurement Equipment The manual is designed so that you do not have to read all of it to be able to use the analyzer It is built around the most frequently used operations these are as follows e Assembling Your Analyzer see Chapter 2 e Making Your First Measurement see Chapter 3 e Getting to Know Your Analyzer see Chapter 4 e Calibration see Chapter 5 e Data Management see Chapter 6 e Connection to PC or Smartphone or Measurement Partner Field App see Chapter 7 e Advanced Use of Your Analyzer Tips and Tricks see Chapter 8 e Updating and Upgrading Applications Maintenance Calibration and Troubleshooting see Chapter 9 However it is recommended that you read the entire manual for appropriate procedures on how to use the analyzer to obtain accurate sound level measurement results 3s Chapter 2 Assembling Your Analy
195. ncluded in BZ 7131 software e 1 3 octave Frequency Analysis Project Template included in BZ 7132 software e Logging Project Template included in BZ 7133 software Please note e Signal Recording Option BZ 7226 does not contain a specific template signal recording options are available in all templates e Tone Assessment Option BZ 7231 does not contain a specific template tone assessment options are available in all templates included in BZ 7223 24 25 30 If you make any changes to the settings in a Project Template will appear next to the template name to indicate that the new settings have not been saved To save the template tap the template name at the top of the display to open the Template Explorer or tap Main Menu E and tap Save E 3 3 Save your Measurement When you have completed your measurement you need to save it By default the analyzer creates a project called Project 001 Subsequent measurements will be labelled Project 002 Project 003 etc This will happen each time you have saved a measurement Check that the data path at the top of the screen displays Project 001 and save your measurement by pressing the Save pushbutton amp For more details refer to section 6 1 Please note An asterisk will appear alongside the project at the top of the status field as soon as you start your measurement see Fig 3 7 This signifies that the measurement has not been saved It will disappear once you have
196. neous Lap readout with associated bar graph and a number of measurement parameters The first measurement parameter is displayed in a larger font size for better readability The XL View increases the size of the first parameter readout to a 4 digit full screen display including decimal point The Spectrum view shows two different spectra parameters being measured simultaneously 11 3 1 The Profile Tab The Profile tab displays a profile of alogged broadband parameter dB versus time This is very convenient when marking sound categories online or annotating the measurement See Fig 11 2 CHAPTER 11 Logging Optional Module Fig 11 2 Profile tab showing CF Card NT Project 003 extended Status Field 00 00 01 ti Logged lt 08 01 19 gt oo lt lt 08 01 19 5 dB Exclude Status Field The Status Field has been extended to include an extra line of information below the two existing lines of information covered previously in the Sound Level Meter and Frequency Analyzer see Fig 11 2 This extra line of information allows you to Select whether the results of the 7ota measurement from the Logged measurement or from the Logged 100 ms measurement are displayed Select 7ota to display the measurement parameters of the Total measurement in all the views Broadband and Spectrum tabs will then display parameters or spectra similar to the Sound Level Meter or Frequency Analyzer The Profile tab will be empty because t
197. ng and a choice of C or Z weighting except for the measurement of peak levels where a single weighting typically C is applied In this case C weighting is used to take into account the energy present at low frequencies even when they are not particularly annoying Time weighting specifies how the SLM reacts to changes in sound pressure It is an exponential averaging of the fluctuating signal providing an easy to read value The analyzer applies Fast Slow and Impulse or F S and T time weightings which are the required weightings according to the vast majority of international and national standards and guidelines 4 2 4 2 1 Hand held Analyzer 2250 Light User Manual The signal is processed through the weighting filters and the resulting sound pressure level is displayed in decibels dB referenced to 20 Pa on the analyzer s screen The sound pressure level values are updated at least once per second Assessing a fluctuating noise level means getting a value for a level that is in simple terms the average level The equivalent continuous sound level Leq is known around the world as the essential averaged parameter Leg is the level that had it been a steady level during the measurement period would represent the amount of energy present in the measured fluctuating sound pressure level It is a measure of the averaged energy in a varying sound level It is not a direct measure of annoyance tho
198. nnot be resumed The Timer Setup lists the timers that have been defined previously on the analyzer that is added by you or previous users Timer Setup Example Timer Setup SK Be Timer 2 Timer 3 eeo J State Enabled Name 4189 SOUND LEVEL METER Start Time 07 05 2009 11 00 00 Preset Time 01 00 00 No of Starts 1 In the topmost line you can add other timers by tapping on the Add New Timer icon 8 You can delete a timer from the list by tapping on the Delete Timer icon 5 For each timer you can specify CHAPTER 8 85 Advanced Use of Your Analyzer Tips and Tricks e State Enable or disable the timer e Name Name the timer Template Select the template you want to use for the measurement e Start Time Set the start time at least 3 minutes ahead of current time e Preset Time Set the preset time for the measurement regardless of the settings in the template used by the timer e Stop Time The time when the measurement stops for information only No of Starts Set to the total number of times you want to start the measurement Start Every The time interval between the start of each successive measurement This interval must be greater than Preset Time 3 minutes e User The user who specified the timer Cannot be changed Please note When using timers for automatic measurements ensure the meter is connected to a stable power supply It is advised to set the Ext Powers
199. note e Signal recordings can only be done during measurements Signal recordings can only be done on projects saved on memory cards or with G4 analyzers from a USB memory stick 12 2 1 Setting up the Analyzer 1 Select a Logging 1 1 octave Logging 1 3 octave or Logging SLM project template see section 3 2 1 for more details on templates 2 Depending on your memory device Insert an SD memory card in a SD card slot at the bottom of the analyzer Ifyou have a G1 3 analyzer you can insert a CF memory card in the CF card slot at the bottom of the analyzer With G4 analyzers you can insert a USB Type A stick at the bottom of the analyzer Please note You cannot record the signal on the internal disk 3 Tap Main Menu gt Explorer Navigate to the memory card create a job folder for the measurements and set the default measurement job path as described in Chapter 6 4 Tap Main Menu gt Setup Set all the parameters as required for the Logging measurement see Chapter 11 5 Under Signal Recording you can specify the Recording Control parameters as follows Automatic if you want to start the recording when you start the measurement and stop when you pause the measurement and to limit the recording to Maximum Duration if Duration Limit is set to On e Manual Event if you want to start and stop the recording using the Manual Event 1 or Manual Event 2 pushbutton during the measurement Exclude Eve
200. nstalled and re configured through the USB cable Please consult the online help included with the BZ 5503 software for instructions on how to re install software on the analyzer 2 Ifthe connection to the PC does not work then you need a CompactFlash card size at least 64 Mbytes and a CF card reader for the PC You can then use Measurement Partner Suite BZ 5503 to update the CF card with the necessary files Please consult the online help included with the BZ 5503 software for instructions on how to update a CF card with installation files for the analyzer Caution Hand held Analyzer 2250 Light User Manual Power off the analyzer and insert the CF card in the CF slot on the analyzer Then press and hold down the Manual Event 2 and Save amp pushbuttons while switching on the analyzer The Maintenance Mode initial screen will be displayed and then within a few seconds the screen shown in Fig 9 4 will appear Press the Accept pushbutton v to update the software This will take approximately 5 minutes Do not remove the CF card while updating the software When the software has been updated you will get the option of resetting to the default settings If the problem still persists contact your local Briel amp Kjaer representative 9 5 Care Cleaning and Storage The analyzer is a delicate precision instrument When handling storing or cleaning your analyzer please take the following precautions 9 5 1 9 5
201. nstead of 74 125 77 99 This requires a DNS Domain Name System provider which is a kind of Internet phone book that translates hostnames to IP addresses for you However for a GPRS EDGE HSPA or even a DSL router then often the global IP address is renewed at each new connection or at certain time intervals for example every two weeks In this case you will have to change the IP address in BZ 5503 or the Internet Browser accordingly To avoid this a service like DDNS Dynamic Domain Name System can be used DDNS is a network service that provides the capability for a modem router computer system to notify a domain name system provider to change in real time ad hoc the active DNS configuration of its configured hostnames and IP addresses This will ensure that the hostname you use will always be updated to reflect the correct IP address The analyzer supports DDNS provided by the world wide DDNS service provider DynDNS com The analyzer can then be configured to notify DynDNS com each time the global IP address is set or changed When BZ 5503 or an Internet Browser connects to the analyzer it then uses a hostname defined by DynDNS com From DynDNS com it then gets the updated IP address You need to make an account at DynDNS com specifying a user name and a password for the account and a hostname for example MyBK2250 dyndns org identifying the analyzer In the analyzer you need to specify the Hostname Username and Pa
202. nt if you want to start and stop the recording using the Back erase pushbutton n during the measurement e External Event if you want to start and stop the recording using an external trigger signal connected to the Trigger Input e All Events if you want to start and stop the recording based on any of the events Please note When Recording Control set to any of the events you can limit the duration of the recording if Duration Limit is set to On In this case the recording will be at least Minimum Duration long but no longer than the Maximum Duration Use Pre recording Time and Post recording Time to specify how much extra you want to be recorded before and after the event e off if you do not want to record the signal 6 Set Recording Quality to High Medium Fair or Low in accordance with your needs Please note High quality requires more disk space than low quality details in Appendix A 7 Set Recorded Signal to either Input A B weighted Input C weighted or Input Z weighted A B weighting is determined by setting the parameter in Setup gt Frequency CHAPTER 12 Signal Recording Optional Settings gt Broadband excl Peak Input C weighted is suitable for recordings used afterwards to identify the sound source it contains all the audible content of the signal but reduces the low frequency noise from wind etc 8 Set Automatic Gain Control to On if you just want to listen to the signal afterwards The full 120 dB
203. ntestetneeneesreerseeseeseeesseeseeree M Main Spectrum ICON esesesesesesssesesessrsrerererererererere 101 Mains Power Connected Mains Power Supply cc ssccccsssessseceeeeeesesseaees 7 12 Mains Power Supply ZG 0426 Maintenance xcccccincccececndadaccnectansentascndencnececcneseececse 97 Making your First Measurement cccseseeceeees 15 Managing Data cccsssssssssssssssssesssssseseeeseraeenenees 49 Manual Calibration cccccccccccssssssccccecsesssneeeeeeeees 40 Manual Event cssesssssssssssssssessseseseseeees 107 116 Marker rra a a i a eiie 112 Manual Event 2 Pushbutton ssssesssssessessseesessssrereese 5 Manual Event Pushbutton ssssessessessessseresssessrereeee Manual Ext Power Switch Manual Recording ccsssccccessssssseceeececsessaeeeees Markee raio maple E te R EEEE Browse through ccccesesscecececeesssnseeeeeeeeeees Create with Pushbuttons aseseesseessssesrsereeses Create with Stylus ssessesssssessserssssesseerersesses Editing Sound Sound Categories Markers Parameters scsccccees MATRON cceeseeesesesessteerteeeeeenes Maximum Duration Parameter Maximum Time weighted Sound Levels Parameters Measurement PAULOMIACIC enimere nannaa aeniei kak 84 205 206 Basic PrOC CUre o ecececesessecececessentsceeeeceesseaees Control with Pushbuttons Controlling ccccecececccesessteeeeees Document
204. ntrolled by Setup gt Occupational Health gt Exchange Rate for Lav parameter N number between 0 1 and 99 9 controlled by Setup gt Statistics gt Percentile N parameter 161 162 Hand held Analyzer 2250 Light User Manual B 1 Total Measurement B 1 1 For BZ 7130 BZ 7131 BZ 7132 and BZ 7133 Software The following parameters are measured within the Elapsed Time Equivalent Continuous Sound Levels Lxeg Lyg Lcegtseg Lyeg T1 mov Not saved with data Ly eq T1 mov max Laeg T2mov Not saved with data Ly eq T2 Mov max Leeq 71 mov not saved with data Lceq T1 mov max Lceg T2mov not saved with data Lceq T2 Mov max e ALeg T1 mov not saved with data Aleg T1 mov max e ALleg T2 mov not saved with data Aleg 7T2 mov max Sound Exposure Level Lx Lwe Peak Sound Level LVpeak TVpeak Maximum Time weighted Sound Levels Lxfmax Lysmax LxImax LYfmax e Lysmax Lylmax Minimum Time weighted Sound Levels e e e LYE min Lysmin LyImin LYFmin Lysmin Lyimin ISO EU Occupational Health Parameters e e e E Dose ProjDose VPeaks gt xxx dB VPeaks gt 137 dB VPeaks gt 135 dB US Occupational Health Parameters e e e LavRQ TWA TWA DoseRQ ProjDoseRQ General Parameters e Overload in Start time Stop Time Elapsed Time excl pauses Serial Number of instrument Version Number
205. nu appears showing the five markers you have specified in the setup Select the marker you require The marker is displayed above the profile the cursors disappear and the profile unfreezes and progresses as it did before you tapped on the screen Marking Measurement While it is Paused The measurement parameter is displayed as a profile while the measurement is paused You can use the stylus to mark the sound categories Tap and hold the stylus in the profile display at the position where you want the marker to start This will display a cursor at the position of the stylus Then drag the stylus left or right to the position where you want the marker to end This will display a second cursor Next remove the stylus from the display and a drop down menu appears showing the five markers you have specified in the setup Select the marker you require The marker is displayed above the profile and the cursors disappear 11 3 3 Editing Markers on Profiles To widen a marker 1 Tap and hold the stylus on the profile display at a position within the marker range 2 Drag the stylus left or right to the position where you want the marker to end 3 Remove the stylus from the display and a drop down menu appears 4 Select the marker you want to widen from the drop down menu To narrow a marker 1 Tap and hold the stylus on the profile display at the position inside the marker range where you want it to stop CHAPTER 11 Logging Optional Module
206. o set the upper frequency limit of the X axis use Reset Display Range to display all measured frequency bands Please note e These settings only affect the frequency range of the display of measured data not the frequency range of the measurement itself 101 102 Hand held Analyzer 2250 Light User Manual Fig 10 3 Adjusting the X axis Internal Disk Project 006 I 00 00 15 ti LAFmax 250 Hz LAeq 250 Hz FREQUENCY ANALYZER 1 3 Scale the Y axis left hand vertical scale of the graphical display by tapping on the scale and accessing the drop down menu see Fig 10 4 Hint You can also select the spectrum cursor and press the Accept pushbutton Fig 10 4 Scaling the Y axis on the Spectrum display gt 00 05 19 y Elm zoom In Auto Scale Scale Up 4 Select Auto Zoom to adjust the range of the Y axis for best fit of the measured spectrum 5 Select Zoom In Zoom Out to adjust the zoom 6 Select Scale Up Scale Down to adjust the full scale value on the Y axis or select Auto Scale to select the best scaling for viewing the spectra without adjusting the zoom 7 Spectrum Table shows the displayed part of the spectrum in tabular form as in Fig 10 5 Tap the Table Format icon EJ at the top of the screen to select between two different viewing formats Two Parameters for displaying values from both spectra Fig 10 5 Spectrum table Freq LZFmax LZF A bad H
207. of software used to measure data Measurement Parameters 163 164 Hand held Analyzer 2250 Light User Manual Special Parameters Lyreg also called Lyrm Lyteq Lateg taeq Larreg also called Larrms LAFTegLAeg e SIL average of Lzeg octave band levels 500 Hz 1000 Hz 2000 Hz and 4000 Hz e PSIL average of Lzeg octave band levels 500 Hz 1000 Hz and 2000 Hz e SIL3 average of Lzeg octave band levels 1000 Hz 2000 Hz and 4000 Hz Lyeg f1 f2 sum of power values for Lweg frequency bands from f1 Hz to f2 Hz Statistics to Calculate Percentile Levels and Std Dev Weather Data requires connection to a weather station e Wind Dir avg Wind Dir min e Wind Dir max e Wind Speed avg e Wind Speed min e Wind Speed max Amb Temperature Amb Humidity Amb Pressure e Rainfall Spectrum Parameters L Weq e L WFmax e L WSmax Lwemin Lwsmin Statistics to Calculate Percentile Levels as Spectra These parameters require a license for either BZ 7131 or BZ 7132 and measurement of spectra B 2 B 2 1 Measurement Parameters CIC Results e CIC 1 Result e CIC 1 Dev from Reference e CIC 2 Result e CIC 2 Dev from Reference In addition to the parameters saved within the data listed above the following can be inserted in a project annotation as a GPS Note e Position as Latitude and Longitude Altitude e Position error
208. onnector 10 pin LEMO Extension Cables Up to 100 m in length between the microphone preamplifier and 2250 Light without degradation of the specifications MICROPHONE POLARIZATION VOLTAGE Selectable between 0 V and 200 V hardware version 4 only SELF GENERATED NOISE LEVEL Typical values at 23 C for nominal microphone open circuit sensitivity Weighting Microphone Electrical Total A 14 0 dB 12 7 dB 16 4 dB B 12 9 dB 11 9 dB 15 4 dB Cc 13 0 dB 13 6 dB 16 3dB Z 5 Hz 20 kHz 14 4 dB 19 3 dB 20 5 dB Interface KEYBOARD Pushbuttons 11 keys with backlight optimized for measurement control and screen navigation ON OFF BUTTON Function Press 1 s to turn on press 1 s to enter standby press for more than 5 s to switch off STATUS INDICATORS LEDs Red amber and green DISPLAY Type Transflective back lit touch screen 240 x 320 dot matrix Black and white scheme Backlight Adjustable level and on time USER INTERFACE Measurement Control Using pushbuttons on keyboard Setup and Display of Results Using stylus on touch screen or pushbuttons on keyboard Lock Keyboard and touch screen can be locked and unlocked USB INTERFACE Hardware Versions 1 to 3 USB 1 1 OTG Mini B socket Hardware Version 4 USB 2 0 OTG Micro AB and USB 2 0 Standard A sockets for Wi Fi Dongle UL 1050 printer or weather station MODEM INTERFACE Connection to Internet through GPRS EDGE HSPA modem connected through
209. onstant level 95 dB results in a DoseS5 of 200 and a constant level of 85 dB results in a doseS5 of 50 The Projected DoseSS5 is the Noise DoseS5 based on measurement duration less than 8 hours assuming the sound level for the remaining time stays the same Sound Exposure is the energy of the A weighted sound calculated over the measurement time The unit is Pa h Exchange Rate is the increase in noise level that corresponds to a doubling of the noise level The Exchange Rate is used for calculation of Layug TWA TWA DoseUQ and ProjDoseUQ where U F or S and Q Exchange Rate 4 5 or 6 dB Note L4eq is always based on an Exchange Rate 3 Exposure Time is the actual time that a person is exposed to noise during a workday Used for calculation of Lep a and Lep d v A time weighting sometimes called a time constant defines how the exponential averaging in root mean square RMS measurement is done It defines how the heavily fluctuating sound pressure variations are smoothed or averaged to allow useful readings The standards define three time weightings F Fast S Slow and I Impulse Most measurements are carried out using the F time weighting which uses a 125 ms time constant The number of pressure variations per second Frequency is measured in hertz Hz The normal hearing for a healthy young person ranges from approximately 20 Hz to 20000 Hz 20 kHz Our hearing is less sensitive at very low and very high
210. onvert the recorded signal The recorded signal is stored as a 16 bit wav file Set Automatic Gain Control to Offfor recording the signal with a fixed gain then set Resolution 24 bit recommended to cover the full 120 dB dynamic range from max input level and down or select Resolution 16 b t and specify the Peak Recording Leve to fit the signal Please note If the sound contains very high levels at low frequency then a fixed gain is recommended Resolution 24 bit 16 bit Set Resolution to 24 b t to cover the full dynamic range Set Resolution to 76 Ditto cover up to 96 dB from Peak Recording Level and down Please note You will only be warned about overload in the recorded signal if Automatic Gain Control is On or if Resolution is 24 bitor if Peak Recording Level is set to its maximum value 155 156 Hand held Analyzer 2250 Light User Manual Table A 10 Continued Signal Recording parameters Parameter Values Comment Peak Recording 145 dB For Automatic Gain Control Offand Resolution 16 bitthe Level 135 dB recorded wave file has a dynamic range of up to 96 dB When 125 dB playing back on the analyzer the dynamic range of the output is 115 dB ves 105 dB approx 75 dB When playing back ona PC it might be even lower 95 dB Set Peak Recording Level to fit the signal 85 dB The values for Peak Recording Level take the sensitivity of the 75 dB attached transducer in
211. or connect the analyzer directly to the Internet to download Some software versions will be free updates and some will be upgrades requiring that a new license is purchased 9 2 1 Update Upgrade using BZ 5503 BZ 5503 can be used for updating or upgrading new software applications on your analyzer It can even downgrade to specific software versions if required by type approval authorities Using BZ 5503 you can also install licenses for the specific applications and if you have a G1 3 analyzer install your preferred language with G4 hardware all languages are pre installed in the analyzer Installation requires a USB connection between BZ 5503 and the analyzer The BZ 5503 software will clearly indicate if the new software version is an update free of charge or an upgrade license fee Please consult the online help included with the BZ 5503 software for instructions on how to install upgrades updates of the software together with your preferred language 88 Hand held Analyzer 2250 Light User Manual 9 2 2 Update Through the Internet The analyzer can update software by itself if it is connected to the internet see section 7 1 This method is particularly useful if the analyzer is used for long term monitoring and you do not want to go to the measurement site for servicing that is you want to disturb the measurement as little as possible Please note e The method is used for updating the software with the latest ve
212. or use the up down navigation keys to increment decrement the value in steps of 1 5 dB Please note If you do not want to listen to the input signal then set Listen to Signal to Wo to economize on power 179 180 Hand held Analyzer 2250 Light User Manual D 6 Printer Settings Table D 6 Printer settings Parameter Values Comment Printer Used None Select one if you don t have a printer connected to 2250 Light MPS Select MPS for a Mobile Pro Spectrum thermal printer from PCL AM TECH Select PCL for a printer accepting PCL Inkjet PCL printer language Select PCL Inkjet for an inkjet PCL Laser printer accepting PCL language Select PCL Laser for a laser printer Seiko DPU accepting PCL language Select Seiko DPUfor the DPU S245 or DPU S445 thermal printer model from Seiko Instruments See Chapter 8 for more details Top Margin 0 0 to 20 0 cm Use Top Margin to position the print on the paper Left Margin 0 0 to 20 0 cm Use Left Margin to position the print on the paper Width 1 0to 15 0 cm Use Width to set the size of the print Height 1 4to 20 0 cm Use Height to set the size of the print D 7 Modem DynDNS Settings Table D 7 Modem DynDNS settings APPENDIX D Preferences Parameter Values Comment Modem Disabled GPRS EDGE HSPA Dialup Set to Disabled if you do not have a modem connected if you have connected a modem but only want to use the SMS facility o
213. orking day The Time Weighted Average for a user defined reference period TWA is calculated from the measured LavS5 taking Threshold Level into account and the Reference Time Used for example for calculating a Weekly Time Averaged Level by setting the Reference Time to 40 h Immediate underrange indicates that the broadband sound level is below the lower limit of the Linear Operating Range and is indicated separately for the two selectable frequency weightings Immediate underrange is only indicated on the screen No underrange information is saved with the final result of the measurement The underrange indication is implemented as required by ISO 61672 1 2013 and does not account for the influence of self generated noise from the microphone because the specifications for the lower limit of the Linear Operating Range apply for measurements of electrical signal inserted into the preamplifier through the applicable input device This makes the underrange indication a dubious indicator of the quality of the measurement Example Und A Immediate underrange for the A weighted levels Zero frequency weighting is without any frequency weighting that is equivalent to Linear LIN or FLAT Symbols CPeaks gt 140dB Numerics 1 1 or 1 octave Frequency Analysis 1 1 octave Frequency Analysis Software BZ 7 UBD aiani itani adelia iaiia 25 99 1 3 octave Frequency Analysis Software BZ 7132 4952 7820 7825 7831 A About
214. oubleshooting When the format of the file system has been accepted then the speed of the device is tested The test writes data to the device and measures the writing speed The test takes less than a minute If the speed test is successful then you can proceed using the device otherwise you should use another memory device or try reformatting the device if not done already Problems with Storing or Recalling Data If you experience problems in storing or recalling data on memory devices you can check and repair the integrity of the file system on the device or even re format it by doing the following 1 Insert the memory device in the correct slot of the connector panel of the analyzer 2 You will be notified that a device has been inserted select Yes to change the default measurement path to it 3 Tap Main Menu gt Explorer 4 Tap to go up folder levels until you have reached the topmost level with a list of the available memory devices 5 Tap on the name of the device not the icon to get a list of available commands 6 Select Check and Repair to start the procedure If any errors are found in the file system they are fixed When finished you will be informed whether the device was OK or that errors have been fixed Please note The checking procedure can take several minutes depending on the size of the device To format a memory device Caution All data on the device will be erased during the formatting pro
215. ound Level Meter Software Instantaneous Measured Parameters 25 Start up Timed Measured Parameters ccccccceeseeeees 24 with Signal Recordings cccccccccesssssseeeeeees 115 Sound Level Meter Software BZ 7130 0008 24 Sound Marker ccccsesessesscscssersrererereeeeeeees 111 119 Sound Pressure Level sessesesesesereeeeerersre 25 197 Parameters ooien netii ieii iak 168 SOUNGEG iei eiae er aaas Re a as 115 Special Parameters ccccccsccccessesssseeeeeeees 164 166 Specifications sesers ieii i ii 133 Spectrum Parameter esessssssssssssssrersrerersrsrererereees 147 Spectrum Parameters sseeeeeeseseseseses 152 164 167 Spectrum Post processing Tools BZ 5503 B 59 Spectrum VIEW ceeeeesesesesssteceseteeeeeeeeeeeseeeeeeeees 101 Standard Calibration ccccccccccccscsssssceeceessstsaeeeeees 40 Standards PECSG1G6 72 1 aea he eetan alaena LR aaan 12 Standby Mode cecccccccssssecececeesesssaeeeeseseeeeees 68 69 Standby Parameter ccccccccccccssssssseeeececsessseeeees 176 Star Next to Project Name esseere 20 Next to Template eessesssssesssessissssrerrerressesssee 20 Star Navigation Concept eesesesssesssssssereseeesereresesere 28 Start Pause Pushbutton scssscccccsces 5 17 33 Start up Initial Sound Level Meter Screen cce0 16 TIME tv ecdvesovedevsbacs iesoess AE AES 16 Statistics Parameters cccccceseeseeseececeeeeeees
216. oundands oncndectelegees Regional oeeie eaaa a a E 209 210 aE E EE A EEE Setup Menu osasse Setup Parameters Relationship with Measurement Parameters esn E a 169 Setups Parameters REUSING EE E E E E Setup Meni 5 dec cee chdecievcesseoedecsuederecovetenendecsest 29 Shorteut Bar lt j icscccecceutisvachestewesesdocdesnck ccnesoshotnabtc 31 33 Signal Recording cccscceccessessseeeeeeeseeeees 100 115 AS Annotations cceeeeseesececeeeeeetenteeeeeeees 115 AttaCHMe Nt eonen treinen 119 AUTOMATIC ee aoaea eE iaaa aa 118 Eai ahaa 1 EET 117 External Triggers cccccssscccccceesssseaeeeeeeeees 116 WM POPE AnA EE EE E E A 59 WUE aaaea iata a nana a aia a 10 Manual Triggers ccccsesseccceceesssseeeeeeeeees 116 Parameters saioen avers a T 154 Play BaCk wws scecvcncnanndscedevvwcttnnetsnvoecncretesceivens 110 Play Back on PC u w eeececeeseseceeeceesssneeeeeeeceeees 122 PLAYIN Se E A EEA EE OE 117 Setting UP occcseecccecccedeviesecce cues dee ceesevensesdeteoeee 115 Setting Up with Logging ccccccccccseessseees 118 SIZE act hace E AEE EE A E 111 Triggering with Any Event cccccccccceeeeeees 118 with Logging e seseeessesesseesserressesrresessee 107 117 With PULSE Multi analyzer sseseeeseeeesseseee 122 with Tone Assessment sseeseeeresseeeeeseees 128 Signal Recording Option BZ 7226 005 26 115 SIL SIL3 SLM Sound Level Meter
217. particles further away from the source Depending on the medium sound extends and affects a greater area propagates at different speeds In air sound propagates at a speed of approximately 340 m s In liquids and solids the propagation velocity is greater 1500 m s in water and 5000 m s in steel The level in decibels of the pressure variation of a sound See also decibel 197 198 Hand held Analyzer 2250 Light User Manual Std Dev Tcpeak Threshold Level TWA Underrange Z weighting The Std Dev is calculated as the Standard Deviation of the noise samples used for statistics This is either Lar or Las sampled every 10 ms or Laeq Sampled every second The time when the peak sound level occurred C denotes that the C frequency weighting is used Any sound levels below the threshold level do not contribute to the Dose measurement data For example if you set the threshold level to 80 any sound levels below 80 dB are not taking into consideration by the analyzer when it calculates doses and time weighted averages Used for calculation of Dose ProjDose TWA TWA DoseSQ ProjDoseSQ The Time Weighted Average is the average A weighted sound level for a nominal 8 hour working day with Time Weighting S and Exchange Rate 5 TWA is calculated from the measured LavS5 taking Threshold Level into account and a Reference time of 8 h Mainly used in the USA for assessing the noise exposure for a worker during a w
218. penand Shared are for Wired Equivalent Privacy WEP Infrastructure mode WPA PSK is for Wi Fi Protected Access WPA with Pre shared Key also called Personal mode WPA2 is an enhanced version of WPA Encryption G1 3 Only Select the Encryption as required by the network None WEP Enabled AES Enabled or TKIP Enabled Noneis for Open security WEP Enabledis for Open and Shared security AFSand TKIP Enabled are for WPA PSK and WPA2 PSK security Encryption Key G1 3 Only Insert the Encryption Key required by the network The key will be displayed until you press Enter then it will be replaced by CHAPTER 8 79 Advanced Use of Your Analyzer Tips and Tricks 8 4 Notifications The analyzer can send you a daily status or notify you if disk space is getting low or external power has disappeared etc This is done via SMS text message or email as described in this section The SMS email notification contains a short status report for the analyzer This facility is especially useful if the analyzer is left for unattended monitoring 8 4 1 Alarm Settings If one or more of the following alarms occur then a notification will be issued as either an SMS or an email depending on your equipment and settings If the notification fails for example the connection has been lost then the analyzer will retry to send the notification once more after five minutes Table 8 1 Alarm Settings Alarm Type Condition
219. pendently of the frequency weighting of the measurement and the signal used for sound recording e X frequency weighting A or B A requires that Broadband excl Peak is set to AC or AZ B requires that Broadband excl Peak is set to BC or BZ APPENDIX D Preferences Table D 5 Continued Headphone settings Parameter Values Comment Automatic Gain Control On To ease identification of sound sources the Off gain can be automatically adjusted to keep the average level within a 40 dB range You will hear clearly the whole signal content whether the level has been 20 dB or 140 dB Set Automatic Gain Control to On to convert the signal at the headphone output Set Automatic Gain Control to Off for listening to the signal with a fixed gain Gain for Meas Signal 80 0 dBto 60 0 dB for Automatic Gain Control set to Off 60 0 dB to 0 0 dB for Automatic Gain Control set to On Key in a gain value 0 1 dB resolution for the measurement input signal Use to assign the new value for immediate response at the output or use the up down navigation keys to increment decrement the value in steps of 1dB Please note 0 dB means 1 V output for 1 Vinput Automatic Gain Control set to Off Gain for Annotations 60 0 dBto 60 0 dB Key in a gain value 1 5 dB resolution for the commentary annotations Use to assign the new value for immediate response at the output
220. plied and the battery is charging and a flashing green light when charging has finished On G4hardware the light is red when the battery is charging and green when charging is finished You can leave the analyzer with external power on even when the battery is fully charged See section 9 4 3 for more information Making Good Measurements Using your 2250 Light which fully complies with the IEC 61672 1 standard ensures you always make good measurements The analyzer should be set up using the following recommended assembly instructions This is to minimize the influence of acoustical reflections during measurements All the components described below are shown in Fig 2 1 and Fig 2 4 Another set of instructions is provided in section 2 5 3 for situations where you need to position the microphone at a distance from the analyzer while still complying with the standard Placing the Measurement Microphone The measurement microphone must be placed away from shielding reflecting or absorbing objects In a diffuse sound field absorbing objects will reduce the measured sound levels In a free sound field reflecting objects can change the measured sound levels Typically the sound level 0 5 m from a plane reflecting wall is 3 dB higher than if there was no wall The operator of the system may be personally shielding absorbing and reflecting and can be an additional noise source Measure downwind in dry conditions with a wind speed less
221. pop up Fig 6 4 INFORMATION First MP Cloud login First log in to your MP Cloud instructions account on cloud bksv com using an Internet browser to pair the account with this instrument using the serial 4 Navigate to cloud bksv com using an Internet browser and log in 5 Click the Devices tile 6 Click Create new and enter the analyzer s serial number located just above the tripod mounting thread see section 2 2 Also enter a comment for example a reference to the analyzer s primary user or location 7 Click the Create button 8 You will be prompted to Confirm device invitation and will be provided with a pin code 9 On the analyzer tap OK and enter the pin code when prompted 10 Tap OK on the analyzer and click Refresh on the Web browser CHAPTER 6 55 Data Management 6 4 2 Managing MP Cloud on the Analyzer When you log in to MP Cloud a Cloud folder and Uploaded folder will automatically be created on all attached memory devices Internal Disk SD cards CF card and USB memory stick The Cloud folder will be Cloud FY when logged in to an account Upload to MP Cloud To upload data to MP Cloud move or copy the data into the Cloud folder All data in the Cloud folder will automatically be uploaded to MP Cloud when connected to the Internet Please note In the event of a lost connection the upload will resume when the connection is re established The Cloud Icon The icon will change depending o
222. r 1 Stand away from loud sound sources that may interfere with the calibrator s signal 2 Switch on the analyzer push 3 Tap Main Menu Eq gt Calibration to open the Calibration screen Fig 5 1 Fig 5 1 CALIBRATION Calibration screen Mount calibrator and press the Start Calibration button below LCF 86 6 dB a 20 40 60 80 100 120 140 Calib Time 09 12 2008 08 32 36 Sensitivity 51 19 mv Pa Deviation from last 0 20 dB Start Calibration This screen contains a bar graph showing the actual sound pressure level and three placeholders for displaying information about the last calibration CHAPTER 5 41 Calibration 4 Following the first part of the instruction in the Status Field fit Sound Calibrator Type 4231 carefully onto the microphone of the analyzer To avoid handling vibrations that disturb the calibration rest the assembly in a roughly horizontal position on a table or other flat surface Ensure that the calibrator fits snugly on the microphone 5 Switch on the calibrator Wait a few seconds the level to stabilize 6 Tap Start Calibration to start the calibration Please note Detecting level appears on the screen as feedback Hint 7 While the analyzer is searching for the calibration signal and the signal level is stabilizing the traffic light indicates a short green flash every second When the level is stable the traffic light indicates a steady green and the signal
223. r Data to PC Trigger Input SOCKET eaa e are a aa Ae 7 10 Trigger Input Parameter ccccscsesesesesesesereeees 146 TIPO R A EE EE recedes T A E Adaptor assesses Extension Stem Microphone Holder 06 Mounting seeeeeseeseeseserererereree Mounting Thread 0060 Small Tripod Extension Stem UA 1651 Troubleshooting Battery ennn a eae one eon Charge Indicator ccccscseccceceesessseeeeeeeeeseeees External Memory Devices cc sccccccesessseeees Templates aerate ae r a a aS Touch SCE OM enere When Selecting an Interval for Storing 120 When Setting a Marker ccccccccccccsssseeeeeees 120 Turn off Backlight cccccccccseesscecceessessseeeeeeesseeees 68 Turn off Backlight Parameter ccccccssssseeeeeees 176 TW Are EE EAEE ESE AEE EE AA E RE 198 U OlT I EE E etacecseaeh odie atue 13 UAsOB8 OL EEA AET 14 UA 0801 Small Tripod oo ecccececcccecsesssteeeeeeeees 13 0 ya a ie V7 AE A AEE E T 14 UA 1317 Microphone Holder UA 1651 Tripod Extension Stem aseesseecessessseres 13 WAST 673 EA N A E EN 6 Unit System n se UNIOCK oo eeeececeseeeeeeeees Update or Upgrade Update Software cccesccccceseessaeees Update Upgrade Applications Updating Applications Upgrading Applications Upload to MP Cloud cccccccccccesssseceeeceesestaeeeeeeeees US Occupational Health Parameters
224. r will stay logged in even Logged out if it loses Internet access Select Logged out to log out from your MP Cloud account and remove MP Cloud account information from the analyzer No more data will be uploaded to the MP Cloud account You must pair the analyzer with an account to log in again Archive Cloud folder Projects saved in your Cloud folder will be uploaded to this archive in your MP Cloud account The archive will be created if it does not exist already Action after upload Delete project Use this setting to control whether projects will be deleted from the memory device or Move project moved to an uploaded folder on the memory device when securely uploaded to MP Cloud If you select Move project you will need to maintain the memory device manually to prevent it from filling up APPENDIX D Preferences D 10 Notification Settings Table D 10 Notification settings Parameter Values Comment Notification Disabled Set to Disabled to disable notifications E mail Set to E mail to send notifications as email when an SMS alarm occurs Set to SMSto send notifications as SMS when an alarm occurs See section 8 4 for the list of alarm types Daily Status Enable Set to Enable to send a notification once per day Disable Send at 00 00 00 to 23 59 59 Determines the time of day to send the daily status notification Alarm Settings Internal Battery High A notificatio
225. ra see Chapter 10 the logging module allows you to simultaneously log the following parameters e Broadband Parameters including broadband statistics Spectra e Broadband Parameters every 100 ms e Record the measured signal An overview showing the options available during a typical logging task has been provided in Table 11 1 Table 11 1 Overview of options available during a typical logging task Selection Period Broadband Broadband Spectral Parameters Statistics Parameters 1to 10 None 0 3 bogged beeen or All 45 or Full or All 5 Logged None 100 ms 100 ms bad Lar and or Las None available None available Total Elapsed Time All 58 Full All 5 Check the About screen to see whether you have a license to run this module To access the About screen tap the Help icon gg then tap About See Chapter 9 for instructions on installing licenses Requires 1 1 or 1 3 octave Frequency Analysis Software for 2250 Light BZ 7131 32 t Requires Signal Recording Option BZ 7226 105 106 Hand held Analyzer 2250 Light User Manual 11 1 Setting up the Analyzer 1 Select the LOGGING 1 1 OCTAVE LOGGING 1 3 OCTAVE or LOGGING SLM Project Template section 3 2 1 for more details on templates The Project Template is displayed on the black banner at the top of the screen If this banner does not display LOGGING 1 1 OCTAVE LOGGING 1 3 OCTAVE or LOGGING SLM tap the banner and selec
226. rameter if still left unused Ifthe analyzer has been left unused for the time specified in the Backlight Dim parameter plus the Turn off Backlight time period then the backlight will be switched off completely Fig 8 4 Use the keyboard or tap the screen to switch the backlight on again e For G4 analyzers the backlight will never be switched off completely because the Minimum dim level already has the lowest power consumption Fig 8 4 P Standby Parameter 5 Power Settings overview gt Backlight Dim Turn off Backlight Backlight off Parameter Parameter hardware v 1 3 Time 040284 2 If the analyzer is left unused not measuring and not communicating over the USB interface it will go to standby after the time specified in the Standby parameter If the analyzer is in standby mode you must press to switch the analyzer on again The analyzer will automatically switch off when it has been in standby mode without external power for more than 30 hours Hand held Analyzer 2250 Light User Manual Please note e Ifthe analyzer is powered externally the Standby After parameters are ignored and 8 1 3 Fig 8 5 the analyzer will never go to Standby However if the analyzer is left unused for more than Standby After time the Standby After setting will overrule the Backlight settings and the backlight will be switched off or dimmed e Please use the Display in conjunction with the Power to
227. rds Note The above is only guaranteed using accessories listed in this Product Data Temperature IEC 60068 2 1 amp IEC 60068 2 2 Environmental Testing Cold and Dry Heat Operating Temperature 10 to 50 C 14 to 122 F Storage Temperature 25 to 70 C 13 to 158 F Humidity IEC 60068 2 78 Damp Heat 93 RH non condensing at 40 C 104 F Recovery time 2 4 hours Mechanical Non operating IEC 60068 2 6 Vibration 0 3 mm 20 m s2 10 500 Hz IEC 60068 2 27 Bump 1000 bumps at 400 m s IEC 60068 2 27 Shock 1000 m s2 6 directions Enclosure IEC 60529 1989 Protection provided by enclosures IP44 With preamplifier extension cable or protection plug connected to the top socket and the hinged cover protecting the bottom connectors Additional Standards for Micro USB Wireless Adaptor UL 1050 FCC Grant of Equipment Authorization for Micro USB Wireless Adaptor UL 1050 FCC Identifier KA2WA121A1 FCC Rule Parts 15c Frequency 2412 0 2462 0 Range MHz Output Watts 0 269 Safety EN 60950 1 2006 A11 2009 A1 2010 A12 2011 EMC Emission EN 301 489 1 V1 9 2 EN 301 489 17 V2 2 1 EN 55022 2010 AC 2011 Spectrum amp EN 300 328 V1 7 1 Health EN 62311 2008 Restriction of EN 50581 2012 Hazardous Substances EC Declaration of Conformity 1Tx1R 802 11bgn USB adapter C Tick Authorization AS NZS 4268 2008 A1 2010
228. reset all detectors averagers maximum and minimum hold etc If the measurement is paused Paused is displayed in the status field then the measurement reverts to a stopped state after a reset Stopped W is displayed with a zeroed readout If the measurement is running then the measurement will be automatically restarted after the reset Start Pause Pushbutton Use the Start Pause pushbutton for controlling the measurement The function of this key depends on the current measurement state see Table 4 1 Table 4 1 Current Next Start Pause pushbutton Function of i Measurement Measurement functions Start Pause Pushbutton State State E Stopped Start the measurement b Running gt Running Pause the measurement Paused Paused Continue the measurement Running Hand held Analyzer 2250 Light User Manual Save Pushbutton Use the Save pushbutton amp to save the measurement data together with the current project template including all the screen settings and setup information and the calibration documentation Pressing Save will affect the pause and running states In both cases the measurement state will be stopped shortly after pressing the pushbutton Stopped icon m displayed Back erase Pushbutton For BZ 7130 BZ 7131 and BZ 7132 Software Use the Back erase pushbutton to erase the last 5 seconds completely from the measurement This includes of course overloa
229. rface This manual will use this symbol when there is a risk for burning or scolding Earth Ground Terminal The apparatus will be marked with this symbol when applicable Protective Conductor Terminal The apparatus will be marked with this symbol when applicable Ore ee gt ternating Current The apparatus will be marked ith this symbol when applicable Danger ignals an imminent hazardous situation which if ot avoided will result in death or serious injury ot avoided will result in death or serious injury Caution ignals a hazardous situation which if not voided could result in minor or moderate injury r damage to the apparatus S n Warning Signals a possibly hazardous situation which if n S a o Notice Signals a situation or practice that requires attention but does not directly result in personal injury if ignored Risks and Hazards Explosion Hazards Danger The apparatus is not designed to be used in potentially explosive environments It should not be operated in the presence of flammable liquids or gases Electrical Hazards A Warning Any adjustment maintenance and repair of the open apparatus under voltage must be avoided as far as possible and if unavoidable must be carried out only by trained service Caution Switch off all power to equipment before connecting or disconnecting their digital interface Failure to do so could damage the equipment Mechanical Hazards C
230. rge Injection Calibration consists of four parameters e CIC Ratio e CIC Ratio Date e Deviation from Reference e CIC Result The CIC Result can be Passed Background noise too high or CIC Ratio deviates from Ref 48 Hand held Analyzer 2250 Light User Manual 6 1 6 1 1 E Chapter 6 Data Management This chapter describes data management including e Job and project organization Setting the default job folder e Recalling measurements e Uploading to Measurement Partner Cloud MP Cloud Organizing Measurements Description of Jobs and Projects When saving a set of measurement results they are organized together with setup information calibration information annotations and signal recordings in a project A project contains the following e Measurement results Broadband values for example Laeg Larmax LAFmin Frequency spectra if 1 1 octave or 1 3 octave Frequency Analysis Software for 2250 Light BZ 7131 32 are enabled on your analyzer and you have selected a Frequency Analyzer template e Weather and GPS data e Measurement Setup e Display Setup parameters you have selected e Information on the microphone e Calibration e Signal Recordings attached to measurements as required The project name is automatically created by combining the Project Name Prefix with a number starting from 001 that is Project 001 for the first project Project 002 for the next etc 50 Hand held Analyzer
231. rrent 173 174 Hand held Analyzer 2250 Light User Manual C 3 Calibration Setup Table C 4 Calibration setup parameters Parameter Values Comment Calibrator 4231 Select which calibrator to use Custom Calibration Level for Sound Calibrator Type 4231 0 00 to 200 00 dB re 20 uPa The Calibration Level will be automatically calculated Calibration Level for Custom 0 00 to 200 00 dB Set calibration level for custom calibrator Sound Level Calibrator re 20 Pa Serial No for 4231 Text string Serial number will be documented in calibration history Serial No for Custom Sound Text string Serial number will be documented in Level Calibrator calibration history C 4 Type 2250 L Microphones Table C 5 Microphone parameters Sse tte Free field 1 dB Free field 2 dB P Optimized s y Microphone Application Foi Dynamic Range Frequency Frequency Range Range 4950 Standard Free field 16 4 140 dB A 6 3 Hz 19 0 kHz 5 6 Hz 20 kHz Prepolarized and Diffuse field 4952 Outdoor Free field 0 20 0 141 dB A 6 3 Hz 14 0 kHz 5 6 Hz 14 5 kHz Prepolarized or 90 and Diffuse field 4952 Outdoor Free Field 0 20 0 141 dB A 6 3 Hz 14 0 kHz 5 6 Hz 14 5 kHz EH 2152 Prepolarized or 90 Diffuse Field 4184 A Weatherproof Free field 0 28 8 150 dB A 3 6 Hz 15 0 kHz 2 5 Hz 16 5 kHz 200 V or 90 and 6 6 Hz 15 0 kHz 5 6 Hz 16 5 kHz Diffu
232. rs after the analyzer has been turned off for some time either by the user or following an automatic power down A warm start takes the analyzer quickly from Standby mode to fully operational without having to re boot The battery needs to be charged for this to happen see section 2 5 1 3 2 2 Select Template and Measure After initialization the screen shown in Fig 3 1 appears Fig 3 1 SOUND LEVEL METER Sound Level Meter ernal Disk Job 01 Project 001 displayed in the E 00 00 00 i template line LAF 30 50 LCpeak dB LAF90 0 dB LAFmax 0 Measurement Mode Manual Broadband 1 Check that the Sound Level Meter project template is displayed at the top of the screen Fig 3 1 If not tap in the template line to open the Template Explorer and tap Sound Level Meter Fig 3 2 For more information on templates see What is a Project Template at the end of this section CHAPTER 3 17 Making Your First Measurement Fig 3 2 FREQUENCY ANALYZER 1 1 OCT Changing the FREQUENCY ANALYZER 1 3 OCT project template LOGGING 1 1 OCTAVE LOGGING 1 3 OCTAVE LOGGING SLM LAeq dB LCpeak dB LAF90 0 0B L Fmax dB Measurement Mode Manual Broadband 2 Tap Measurement Mode in the View Area and set to Manual Fig 3 3 The bar graph showing the sound pressure level Lar is now live but parameters such as Laeg are not This is because Lap is an instantaneous value always available for display
233. rsion available from the Briel amp Kjaer website The languages already installed will be updated at the same time If you have a G1 3 analyzer you cannot install new languages or licenses to do this you must use BZ 5503 e This can be done remotely if you connect to the online display using either BZ 5503 or an Internet browser To update via the Internet 1 Tap fj on the analyzer s screen then About to get a list of installed software and licenses 2 Scroll down to the bottom of the screen and tap the Check for updates on the web gt link the Software Update screen appears see Fig 9 land Fig 9 2 3 Click on the Check for Updates button to check for the latest updates This will connect to the Br el amp Kj r update server If a new software version is available the build version will be displayed and you can decline or start the update you will be warned if the new version requires a new license If the versions that are available are not later than those already installed you will be told so and the update will be terminated 4 If you choose to update the analyzer the software will start downloading to the SD or CF card G1 3 analyzers already inserted in the analyzer You need at least 200 MB of free space on the memory card Depending on the speed and quality of the Internet connection this can take from a few minutes to several hours If the connection is lost then the download will automatically cont
234. rt of the entire profile to display in the Profile below The Profile The Profile displays a hundred samples of the logged data Select which parameter to view by tapping the parameter field in the line above the profile Markers are displayed between the profile and the profile parameter Marker 1 Exclude is the topmost positioned marker The name of the marker is displayed if the marker overlaps the cursor position If a signal has been recorded then a Sound marker Marker 6 is displayed above the profile the marker covers exactly the time of the signal recording You can browse through markers using the J buttons in the profile The whole or any part of the signal recording can be played back once or repetitively see Chapter 12 for details To the right of the profile the broadband parameter Lap is displayed and updated regardless of the measurement status and the display freeze status CHAPTER 11 Logging Optional Module Scale the Y axis left hand vertical scale of the graphical display by tapping on the scale and accessing the drop down menu as in the Spectrum tab e Select Auto Zoom to adjust the range of the Y axis for best fit of the measured spectrum e Select Zoom In Zoom Out to adjust the zoom Select Scale Up Scale Down to adjust the full scale value on the Y axis or select Auto Scale to select the best scaling for viewing the spectra without adjusting the zoom e Auto Zoom and Auto Scale autom
235. s at a later date by recalling the data and viewing the desired profile This can also be done if you have transferred the data to BZ 5503 If required Measurement Partner Suite BZ 5503 Evaluator Type 7820 and Protector Type 7825 can use the markers in their calculations Marker number 1 the exclude marker will always be used as an exclude marker while markers 2 to 5 will be used as defined in Type 7820 7825 software The marker names however will be transferred from 2250 Light Marker 6 will be used as a sound marker 112 Hand held Analyzer 2250 Light User Manual Marking During the Measurement The measurement parameter is displayed as a progressing profile Use of Pushbuttons Press the Back erase 2 pushbutton to start an Exclude Marker marker number 1 The marker is displayed above the profile Press the button once more to stop the Exclude Marker Press the Manual Event pushbutton either or to start a Manual Event Marker marker number 2 or 3 The marker is displayed above the profile Press the button once more to stop the Manual Event Marker Use of Stylus Tap and hold the stylus on the profile display at the position where you want the marker to start This will freeze the display and show a cursor at the position of the stylus Then drag the stylus left or right to the position where you want the marker to end This will display a second cursor Next remove the stylus from the display and a drop down me
236. s from BZ 5503 MPS and 2250 2270 SDK Default admin Password lt string of characters gt Define the password required for full access to the Web page and for access from BZ 5503 MPS and 2250 2270 SDK The password will be displayed until you press Enter then it will be replaced by Default admin Guest Login Required Yes No Setto Yesto require user name and password for login to the guest Web page Set to Wofor free access to the guest Web page Guest User Name lt string of characters gt Define the user name required for limited access to the Web page that is view of the analyzer only Default guest Guest Password lt string of characters gt Define the password required for limited access to the Web page The password will be displayed until you press Enter then it will be replaced by Default guest D 12 For set up of NMT Server communication used by Noise Monitoring Software BZ 7232 see User NMT Server Settings G4 analyzers only Manual for Noise Monitoring Terminal Types 3639 A B and C BE 1818 187 188 Hand held Analyzer 2250 Light User Manual A weighting Filter B weighting Filter C weighting Filter Criterion Level Decibel dB Appendix E Glossary Frequency weighting corresponding approximately to the 40 dB equal loudness curve that is to say the human ear s response at low to medium sound levels It is by far the most
237. s of User Names and Passwords e One set for guest use view only e One set for administrator use of the analyzer view and full control See section 8 5 and section D 11 for more details Connect to Analyzer When you enter the IP address or hostname of the analyzer see section 8 2 and 8 3 in the address or location bar of the Internet browser the following screen appears CHAPTER 7 63 Connection to PC or Smartphone or Measurement Partner Field App Fig 7 2 PA nee ony R evide by Broa S8 z Type 2250 home page Go E http biflemmingathome dyndns org X X Googie We St http bkflemmingathome dyndns org A Bo oag r G Tools Briel amp Kj r We help our customers improve the quality of sound and vibration and related human comfort Downloads Service Help Briel amp Kj r Hand held Analyzer amp View Instrument E View and Control Instrument Done Internet Protected Mode Off R10 Click the Help link to get more detailed help on using the Web page Click the Service link for updating the software or for rebooting the analyzer Click the View Instrument button to enter the Web page for viewing the analyzer only You might be prompted for the Guest Username and Guest Password defined for the Web server see section 8 5 Click the View and Control Instrument button to enter the Web page for full access to the analyzer You will be prompted for the Usern
238. s the numbers manageable MED gt 65 pPa 140 dB F 100 000 000 130 120 me AN SOUND SOUND PRESSURE PRESSURE LEVEL 000111 Dose ProjDose The Noise Dose is the equivalent averaged A weighted Noise Level taking the Threshold Level into account using Exchange Rate 3 for an 8 hour period reference duration relative to the maximum allowed the Criterion Level expressed in percentage Example If the Criterion Level is 85 dB and a person is exposed to a constant sound pressure level of 85 dB for 8 hours then the Dose is 100 A constant level 88 dB results in a Dose of 200 and a constant level of 82 dB results in a dose of 50 The Projected Dose is the Noise Dose based on measurement duration less than 8 hours assuming the sound level for the remaining time stays the same DoseUQ ProjDoseUQ Exchange Rate Exposure Time F S or T Time Weighting Frequency Frequency Weighting APPENDIX E Glossary The Noise Dose is the averaged A weighted Noise Level taking the Threshold Level into account with Time Weighting U F or S and Exchange Rate Q 4 5 or 6 for an 8 hour period reference duration relative to the maximum allowed the Criterion Level expressed in percentage Example If the Criterion Level is 90 dB and a person is exposed to a constant average sound level of 90 dB for 8 hours with Time Weighting S and Exchange Rate 5 then the DoseS5 is 100 A c
239. save power during measurements and extend the battery operating time G4 analyzers have an Ext Power setting which determines whether the analyzer automatically switches on and charges the battery when external power is applied or the battery is just charged It is recommended to select the Switch On and Charge setting for unattended measurements to ensure measurement will restart in case of power failure G1 3 analyzers have a similar function There is a small manual switch at the back of the analyzer under the battery pack To access the switch remove the battery When you have made your choices tap Power or to collapse the list Regional Tap Regional or next to Regional to expand the list of available regional settings Fig 8 5 Regional screen Display a Power ial lt Decimal Point Date Separator Date Format 26 06 2015 11 50 22 Time Zone GMT 01 00 Madrid Paris Language English Keyboard US International Wind Speed Unit SI Temperature Unit SI Dimension Unit SI Projects Headphones a Select your preferred settings for Decimal Point and Date Separator and select your preferred Date Format date and time from the six different formats provided in the drop down Then select your Time Zone from the list Anumber of different languages are available for your analyzer Select your preferred Language if itis notin the list then it might be available for installation using BZ 5503
240. se field From the typical total inherent noise level for the microphone and Type 2250 Li at 1 kHz Only with G4 analyzers ght to the overload lim it for a sinusoidal signal This appendix describes the parameters that are common to all project templates and can be set as preferences D 1 Display Settings Table D 1 Traffic light backlight and decimal place Appendix D Preferences Parameter Values Comment Traffic Light Brightness Off Low Normal High Key Backlight Off On Backlight Brightness Minimum Level 2 Level 3 Level 4 Level 5 Maximum Select backlight brightness using the backlight icon KE at the bottom of the screen Maximum level uses the most power Resolution of Readings Normal Extended dB Number of decimal places for values displayed Normal 1 Extended 2 Engineering Number of digits for values displayed Normal 3 Extended 4 Please note This setting is for display only and has no effect on the measurement precision or resolution 175 176 Hand held Analyzer 2250 Light User Manual D 2 Power Settings Table D 2 Power settings Parameter Values Comment Backlight Dim After 30 sec Select optimum value for full backlight on After 1 min brightness determined by Backlight Brightness After 2 min before the backlight is dimmed if analyzer is left After 5 min untouched After 1
241. see section 3 2 2 for instructions 2 Check that the data path at the top of the screen displays the correct job project that is where you want to save the new data See section 6 1 1 3 Set Measurement Mode to Manual and change any Setup parameters by tapping Main Menu Eq gt Setup 4 Press the Start Pause pushbutton then monitor the status indicator traffic light 5 Use the Start Pause Continue Back erase and Reset pushbuttons to control the measurement 6 When measurement has finished press the Save Y pushbutton to save your data 7 To view and organize your data tap the Main Menu icon Eq and select Explorer 16 Hand held Analyzer 2250 Light User Manual Please note You are not required to set any measurement ranges the analyzer has a dynamic range of more than 120 dB from 140 dB down to the noise floor of the microphone if the microphone has nominal sensitivity If you need more help the following section goes into the measurement process in more detail If not please refer to Chapter 4 3 2 Making a Measurement 3 2 1 Switching On Switch on the analyzer by pressing The start up time depends on the state the analyzer was in when last switched off and it may take up to 2 minutes from a cold start or up to 10 seconds if the analyzer is already in Standby Mode that is from a warm start Please note A cold start is a re boot of the analyzer from ROM This normally occu
242. ssrererererererererere Wi Fi network Wind Parameters Wind Speed Unit Parameter Windscreen WLAN Connection Wrist Strap Mounting Thread cccccccccccesssssseecececeesssseaeees 6 X A T ENA E E E T E 18 Z ZC 0032 Preamplifier ZG 0426 epen n ds coo o de eee dees 7 12 ZG 0426 Mains Power Supply ZH 0680 Handswitch Z weighting 213 214 www bksv com Bruel amp Kj r All rights reserved N l wo oO N a w a
243. ssword and set Active to Yesin Preferences under Modem DynDNS settings Each time the analyzer detects a change in the IP address it notifies DynDNS com Please note To avoid too much traffic at DynDNS com the analyzer ensures that this service does not allow updates of settings more frequently than every 10 minutes So you may experience up to a 10 minute wait for DynDNS settings to update 8 3 Network Settings The analyzer can be connected to a Local Area Network LAN through an Ethernet cable or toa Wi Fi network using equipment conforming to the IEEE 802 11a b g n standard This connection can be used to synchronize measurement and setup data with a host PC using BZ 5503 The analyzer supports Transmission Control Protocol Internet Protocol TCP IP This requires the analyzer to have a unique address on the network This address is called an IP address and consists of four sets of 3 digit numbers for example 010 116 121 016 8 3 1 Hand held Analyzer 2250 Light User Manual The IP address can be obtained in different ways e Automatically e Using DHCP A Dynamic Host Configuration Protocol DHCP Server on the network assigns automatically an IP address to the analyzer when connected to the network This is the most common way of setting up IP addresses e Using Link local If no address is automatically assigned by the DHCP Server then after a few seconds the analyzer will use an address from the Link local addr
244. stance a new parameter value can be selected from a drop down list The selection and activation of items on the screen can be done in two ways e Tapping once on the item on the screen will select and activate it or e Moving the field selector around using the navigation keys until the item you want is highlighted then pressing the Accept pushbutton v to activate it You can choose to use the stylus or the pushbuttons depending on your preference and the measurement situation For instance if the amount of noise generated by the analyzer needs to be kept to an absolute minimum consider using the pushbuttons rather than the stylus this is because tapping of the stylus on the touch sensitive screen may create extra noise However if speed is of major importance the stylus can navigate through the setup and measurement screens quicker Throughout the manual we have described how to perform the measurement procedures using the stylus only but you may also use the alternative method using the Navigation and Accept pushbuttons if you prefer 4 5 6 How to Change Parameter Values Most parameter values are changed by selecting a new value from a drop down list which appears when the parameter field is selected See the example in Fig 4 3 Fig 4 3 a a Changing parameter Input values Frequency Settings Occupational Health Stylus Usage Tap on the value you want in the drop down or tap outside the list to can
245. stylus in the profile display Marker 6 Text string Default set to Sound This marker is set if a signal recording is made during a measurement Pre marker Time Oto5s Specifies number of seconds marker 1 marker 2 or marker 3 will be set ahead of the point where the Back erase or the Manual Event 1 or 2 pushbuttons are pressed For Logging BZ 7133 templates only 153 154 Hand held Analyzer 2250 Light User Manual A 9 Signal Recording Table A 10 Signal Recording parameters Exclude Event External Event All Eventst Parameter Values Comment Recording Control Off Determines how recording of the measured signal is controlled Automatic Set to Automaticto start the recording when the measurement is started and record throughout the measurement only limited b Manual Event g only y the Maximum Duration Set to Manual Eventto start recording manually while measuring when the Manual Event pushbutton is pressed and record until pressing the pushbutton again however take Maximum and Minimum Duration into account Set to Exclude Eventto start recording manually while measuring when the Back erase pushbutton is pressed and record until pressing the pushbutton again however take Maximum and Minimum Duration into account Set to External Eventto start recording using external equipment connected to the Trigger Input Socket Set to A Eventsto record while any of the events above are active
246. t Insert the password required for the account The password will be displayed until you press lt Enter gt then it will be replaced by SMS Active No Yes Set to Yesto activate the first phone number otherwise set to No Name lt string of characters gt Name identifying first phone number Phone Number Number The number of the first SMS recipient Active No Yes Set to Yes to activate the second phone number otherwise set to Vo Name lt string of characters gt Name identifying second phone number Phone Number Number The number of the second SMS recipient Please consult your email provider APPENDIX D Preferences D 11 Remote Access Settings Table D 11 Remote access settings Parameter Values Comment Web Server Disabled Set Web Server to Enabled to enable display and Enabled control of the analyzer ona Web page see section 7 4 Set to Disabled to disable the Web server functionality BZ 5503 Login Yes Set to Yes to require user name and password for Required No access to the analyzer from BZ 5503 MPS or from the 2250 2270 SDK Set to Wo for free access to the analyzer Please note If set to Yes then you require BZ 5503 version 4 1 or higher to access the instrument User Name lt string of characters gt Define the user name required for full access to the Web page thatis view and control of the analyzer and for acces
247. t E 4950 1234567 a 44 Hand held Analyzer 2250 Light User Manual 2 To view the details in the database Fig 5 5 tap the transducer name number or tap Plus next to the name number Fig 5 5 Details in the Transducer 4950 1234567 Transducer Database ox iy Top Socket B 4950 1234567 A Serial No 1234567 Name 4950 Description Free field 1 2 Preamplifier ID No Microphone Type Nominal Sensitivity 50 0 mV Pa Polarization Voltage No Free field es Capacitance 13 0 pF Calibration Check CIC Calibration History gt Sara E Saeed You can add other microphones by tapping on the Add New Microphone icon selecting Microphone from the drop down list and filling in the details of your particular microphone All the details for the microphone can be found on the screen Type 4950 is the default entry Change Microphone Typeif you are using a different type For known microphone types a number of parameters are automatically set Please note For Type 4950 the parameters Nominal Sensitivity Free field and Capacitance are set automatically See details in Appendix C The analyzer can then make sound field corrections and windscreen corrections as specified in the setup To confirm which type of correction is being applied an icon is displayed in the measurement Status field If the microphone is unknown to the analyzer no corrections can be made and no icon appears in the Status field The parameters mentioned a
248. t 2479719 Abbey Road SD Card 383 MB 483 MB Internal Battery Charging Measurement Status Running CIC Result Passed LAF 45 8dB 8 5 Web Server To connect to the analyzer using an Internet browser the following conditions must be fulfilled e The analyzer must be connected to a network as described in section 8 2 2 section 8 2 3 and section 8 3 e The Internet browser must support JavaScript The Web page of the analyzer has been tested on the following Internet Browsers Microsoft Internet Explorer from version 7 Mozilla Firefox from version 3 e Google Chrome from version 2 Apple Safari from version 4 82 Hand held Analyzer 2250 Light User Manual You may also be able to connect to the analyzer using Internet browsers on smartphones such as an iPhone Password Protection Connection to the analyzer is password protected There are two levels of protection e Guest for viewing only e Administrator for viewing and controlling the analyzer User Name and Password Under Preferences set User Name and Password individually for the Guest and for Administrator accounts You need to specify User Name and Password for the Administrator however you can specify whether a guest requires a login or not 8 6 Connecting to Weather Stations and GPS Receivers 8 6 1 Weather Stations The analyzer can be connected to the following weather stations e Weather Station MM 0316 for measurement
249. t one of the above from the drop down that appears Please note The Logging project template assumes you have a license for the Frequency Analysis Software If not then select the Logging SLM project template instead 2 Depending on your memory device e Insert an SD memory card in a SD card slot at the bottom of the analyzer e If you have G1 3 analyzers you can insert a CF memory card in the CF card slot at the bottom of the analyzer e With G4 analyzers you can insert a USB Type A stick at the bottom of the analyzer You will be notified that a memory card has been inserted select Yesto change the default measurement path to the memory card 3 Tap the Main Menu icon and select Exp orerfrom the list of options Create a job folder for the measurements and set the default measurement job path as described in Chapter 6 Please note You cannot log data on the internal disk 4 Tap Main Menu FE gt Setup Fig 11 1 Set the Input Frequency Settings and Statistics parameters as required for the Sound Level Meter and Frequency Analyzer measurement see Chapter 3 and Chapter 10 respectively These settings are common to both the logging and the total measurement Fig 14 a E The Setup screen W input gt Frequency Settings gt Statistics Measurement Control Logged Broadband 100 ms Logged Broadband Logged Spectrum Markers Signal Recording Occupational Health Tone Assessment Quick
250. than 5 m s The optimum position for the microphone is best found by trying different positions and observing the resulting sound levels Mounting the Measurement Microphone Caution Before mounting the measurement microphone note the following precautions e When screwing the microphone on do it gently to avoid damaging threads e Keep dust and foreign matter off the microphone diaphragm e Do not touch the diaphragm with anything it is very delicate V Best Practice Once the measurement microphone and preamplifier have been assembled and connected to your analyzer they should normally be left connected to the analyzer CHAPTER 2 13 Assembling Your Analyzer To Connect 1 Gently screw the microphone onto Preamplifier ZC 0032 see items 1 and 2 in Fig 2 1 2 Insert the male plug of the preamplifier into the top socket of the analyzer see item 17 in Fig 2 1 and push gently until it snaps into position To Disconnect To disconnect the preamplifier and microphone from the analyzer grip the locking collar firmly and slide back to remove the preamplifier and microphone combination Mounting the Windscreen For short outdoor noise measurements or indoor measurements exposed to air movement mount Windscreen UA 0237 onto the microphone and preamplifier combination Mounting The Analyzer onto the Tripod Extension Stem and Tripod Mount the analyzer onto the Tripod Extension Stem UA 1651 and Small Tripod UA 0801 as fol
251. the office using Measurement Partner Suite BZ 5503 or other post processing software such as Evaluator Type 7820 Protector Type 7825 or Microsoft Excel Check the About screen to see whether you have a license to run this module To access the About screen tap the Help icon gg then tap About See Chapter 9 for instructions on installing licenses 12 1 Sound Level Meter and Frequency Analysis Software You can use the Signal Recording facility together with the Sound Level Meter Software and the Frequency Analysis Software You can record the sound for the whole measurement period or you can record sound for controlled parts of the measurement The recordings are attached to the project as annotations named Soundrec N where N is the number of the recording for the project Section 3 4 and section 6 3 2 for a description of how to use annotations Please note e Signal recordings can only be done during measurements e Signal recordings can only be done on projects saved on memory cards or with G4 analyzers on a USB memory stick 12 1 1 Setting up the Analyzer 1 Select a SOUND LEVEL METER project template or a FREQUENCY ANALYZER project template see section 3 2 1 for more details on templates 2 Depending on your memory device Insert an SD memory card in a SD card slot at the bottom of the analyzer Ifyou have a G1 3 analyzer you can insert a CF memory card in the CF card slot at the bottom of the a
252. the same way you would control a normal Sound Level Meter measurement using Start Pause Continue 4 Back erase and Reset pushbuttons see Chapter 3 for more details If you have set the Charge Injection Calibration parameter to On then CIC is performed at the start of the measurement and at the end of the measurement An Exclude marker is set on the logging profile at the point where CIC is being performed The update of the Total parameters is stopped while CIC is being performed You can see the results of the CIC under Total parameters CIC Result 1 and CIC Result 2 Recording the Signal If you havea license for Signal Recording Option BZ 7226 you can record the input signal during the measurement by pressing the Manual Event 1 or Manual Event 2 pushbutton Manual Event marker or the Back erase pushbutton 2 Exclude marker or you can record the signal throughout the entire measurement depending on the Signal Recording setting on the Setup screen details in Chapter 12 Displaying the Results The Logging Measurement screen or Profile tab includes three tabs at the bottom Profile Spectrum and Broadband tabs the Logging SLM includes the tabs Profile Broadband and XL View The tabs allow you to choose different ways of displaying the measurement results All but the Profile tab have been covered previously in Chapters 3 and 10 however a quick recap is provided below The Broadband view shows an instanta
253. tis not performed until the Tone parameter is selected above the spectrum This is done by tapping one of the parameter fields in the two lines above the Spectrum display and choosing 7onefrom the drop down menu Once selected tone assessment is carried out on the selected spectrum The results are updated during the measurement Fig 13 5 FREQUENCY ANALYZER Selecting the Tone CF Card pk tone s bk 008 parameter above the E 00 00 00 spectrum display ed LAeq LASmin LAFmax LAF LASmax LAS Tone Off More gt 1 3 octave 0B On the Results display a blue marker is set at the top of each detected band with a tone Differences to the left and right of the frequency band selected by the main cursor are shown on the left and right in the tone parameter panel above the spectrum see Fig 13 6 The main cursor is moved using either the hard keys or the stylus CHAPTER 13 Tone Assessment Option BZ 7231 1 3 octave Method Fig 13 6 FREQUENCY ANALYZER The differences to the CF Card NT Project 008 n left and right of the 00 00 16 M selected frequency LZFmin ah 1 25 kHz 45 1 dB band are shown inthe gt Wii We 11408 39d ab 140 tone parameter panel in this example there is a 11 4 dB difference to the left and a 3 9 dB difference to the right 102 65 pi slam iti 12 5 63 k AC 250 ik 4 20k Bandwidth 1 3 octave Adjustment 5 0 dB Spectum
254. to account The values shown in the list here are nominal values for a Type 4189 or 4190 microphone Hint Monitor the Lpeak value during a trial measurement before selecting the Peak Recording Level Pre recording 0 to 470s Recording is started the Pre recording Time before the trigger Time conditions are fulfilled for example 5 s means the recording will be started 5 s before you hit the Manual Event pushbutton This is possible because the recording is done continuously in an internal buffer ready to be saved as a wave file The Pre recording Time is limited by this buffer size and the Recording Quality and Resolution see details in the Specifications chapter Post recording 0 to 300s Use this parameter to specify how much extra you want to be Time t recorded after the trigger conditions are no longer fulfilled Duration Limit t On Use this parameter to enable the Minimum Duration and Maximum Duration parameters for overruling the duration of Off the signal recording determined by the trigger condition parameters Minimum 00 00 00 to When Duration Limit is On then Minimum Duration will Duration t 01 00 00 determine the minimum recording time regardless of the trigger conditions The total record length will then as a minimum be the sum of Minimum Duration Pre recording Time and Post recording Time Maximum 00 00 00 to When Duration Limit is On then Maximum Duration will Duration t 01 00 00 determine the maximum recording time regardless o
255. trol the analyzer as you do when tapping on the analyzer display Fig 7 5 Online display and keyboard for full control of the analyzer CHAPTER 7 Connection to PC or Smartphone or Measurement Partner Field App Briiel amp Kj r We help our customers improve the quality of sound and vibration and related human comfort Downloads Service Help LOGNING SO kort Project 044 gt 00 00 01 Hy 3e A v Logget 08 51 52 s 66 Hand held Analyzer 2250 Light User Manual 7 Chapter 8 Advanced Use of Your Analyzer Tips and Tricks 8 1 Setting Your Preferences on the Analyzer You can specify a number of parameters controlling display settings power settings regional settings storage settings and users These parameters are grouped together under Preferences You access preferences by tapping Main Menu E gt Preferences from the list of options The screen shown in Fig 8 1 will appear Fig 8 1 PREFERENCES The Preferences screen Display A Power Regional Projects Headphones Remote Access Network MP Cloud Notifications Modem DynDNS NMT Server Printers CENE 8 1 1 Display Settings Tap Display or H next to Display to expand the list of available display settings see Fig 8 2 Fig 8 2 Hand held Analyzer 2250 Light User Manual PREFERENCES x Display screen EDs O 8 1 2 Traffic Light Brightness High z Keyboard BackLight
256. ttings Table D 8 Network settings Parameter Values Comment Location Up to 20 characters Use Location to specify a text identifying the analyzer or location of the analyzer The Location will be displayed on the PC together with the serial number of the analyzer when browsing for analyzers in BZ 5503 and when connected using the online display Network Connection None CF Socket LAN Socket Set to Woneif no Ethernet CF Card is present in CF Socket Set to CFSocket if Ethernet CF Card is present in CF Socket G1 3 analyzers only Set to LAN Socket if you want to use the built in LAN Socket on G4 analyzers Set IP Address Automatically Manually Set to Automaticallyto obtain an IP address from a DHCP server if no server available then a Link local address will be set Set to Manually to set the IP Address Subnet Mask Default Gateway Preferred DNS and Alternate DNS manually IP Address XXX XXX XXX XXX The IP address of the analyzer Selectable if Set IP Address Manually Subnet Mask XXX XXX XXX XXX The Subnet Mask combined with the IP address identifies the network segment the analyzer is on Selectable if Set IP Address Manually Default Gateway XXX XXX XXX XXX Address to a gateway for routing to another network Selectable if Set IP Address Manually Preferred DNS XXX XXX XXX XXX The IP address of the primary DNS server Alternate DNS XXX XXX XXX XXX
257. ttings led Broadband Weight ex Peak A Z and B Z B C Top Freq for Special Leq 200 Hz gt Statistics Measurement Control Signal Recording Occupational Health Tone Assessment Quick Under the Signal Recording parameters choose the settings for recording the signal while making the measurement see Chapter 12 Under the Tone Assessment parameters choose the settings for Tone Assessment see Chapter 13 10 2 Controlling the Measurement The measurement is controlled in the same way you would control a normal sound level meter measurement using Start Pause Continue Back erase and Reset pushbuttons see Chapter 3 for more details 10 3 Displaying the Results The frequency analyzer measurement screen includes three tabs at the bottom Spectrum Broadband and XL View Extra Large View The tabs allow you to choose different ways of displaying the measurement results All but the Spectrum tab have been covered previously in Chapter 3 however a quick recap is provided below The Broadband view shows an instantaneous Lap readout with associated bar graph and four measurement parameters followed by two measurement setup parameters The first measurement parameter is displayed in a larger font size for better readability CHAPTER 10 1 1 and 1 3 octave Frequency Analysis Optional Modules The XL View increases the size of the first parameter readout to a 4 digit full screen display
258. ues Comment Parameter 1 to Parameter 3 LAeq The selected parameter s will be logged every 100 ms LAF LAeqwill have an averaging time of 100 ms LAS Off A 7 Logged Spectrum Table A 8 Logged spectrum parameters Parameter Values Comment Spectrum Parameters All Determines whether all spectrum parameters Selected are logged a selected part of the parameters are None logged up to 3 parameters or none are logged Spectrum 1 to LXeq These parameters can be set if Spectrum Spectrum 3 LXFmax Parameters Selected LXSmax EA X frequency weightings A B C or Z controlled Off by Setup gt Frequency Settings gt Spectrum parameter For Logging BZ 7133 templates only requires 1 1 octave or 1 3 octave Frequency Analysis Software BZ 7131 or BZ 7132 respectively A 8 Markers Table A 9 Markers APPENDIX A Setup Parameters Parameter Values Comment Marker 1 Text string Default set to Exclude This marker can be set using the stylus in the profile or the Back erase n pushbutton during a measurement Marker 2 Text string Default set to Event 1 This marker can be set using the stylus in the profile or the Manual Event 1 pushbutton during a measurement Marker 3 Text string Default set to Event 2 This marker can be set using the stylus in the profile or the Manual Event 2 pushbutton during a measurement Marker 4 and Marker 5 Text string These markers can be set using the
259. ugh extensive research has shown that Leq correlates well with annoyance Leq is measured directly with any SLM If an A weighting filter is used it is expressed as Laeq the measurement of the equivalent continuous sound level using the A weighted filter network A full range of measurement parameters is given in Appendix B What is the Hand held Analyzer The hand held analyzer is a versatile hardware platform suitable for covering a wide range of different applications Together with Sound Level Meter Software for 2250 Light BZ 7130 itis a Class 1 modular precision integrating averaging sound level analyzer with an easy to use interface for quick and simple measurement setups This hand held analyzer platform includes a range of optional software modules that are enabled through easily activated software license keys The combination of software modules and innovative hardware makes the analyzer a dedicated solution for performing all your high precision measurement tasks The following optional software modules are covered in this manual Sound Level Meter Software for 2250 Light BZ 7130 Sound Level Meter Software for 2250 Light BZ 7130 allows you to measure a comprehensive set of parameters used for rating noise in terms of its impact on the environmental and working environments and on occupational noise evaluation The more commonly used parameters which cover a large range of applications are either instantaneous measured param
260. und level measurements simultaneously Check the About screen to see whether you have a license to run this module To access the About screen tap the Help icon gg then tap About See Chapter 9 for instructions on installing licenses 10 1 Setting up the Analyzer The frequency analyzer measures the following spectrum parameters during timed measurements a Lxeq LXfmax LXSmax e LXFmin e LXSmin where X is the frequency weighting A B C or Z These spectra are saved in the project together with the measured sound level meter broadband parameters In addition the instantaneous spectra Ly and Lys are always available 1 Select the FREQUENCY ANALYZER 1 1 OCTAVE or FREQUENCY ANALYZER 1 3 OCTAVE Project Template See section 3 2 1 for more details on templates The Project Template is displayed at the top of the screen if it does not display FREQUENCY ANALYZER 1 1 OCTAVE or 1 3 OCTAVE tap on the black bar at the top of the screen and select FREQUENCY ANALYZER 1 1 OCTAVE or 1 3 OCTAVE from the drop down that appears 100 Hand held Analyzer 2250 Light User Manual 2 Tap Main Menu Eq gt Setup Set the Broadband and Spectrum parameter to A B C or Z as required A B weighting is determined by setting the parameter in Main Menu H gt Setup gt Frequency Settings gt Broadband excl peak To exit the screen tap EJ Fig 10 1 a ee Setting the frequency Input weighting parameters Frequency Se
261. urement A S All rights reserved A 0 Check for Updates Progress Message TE Server update bksv com 2250L latest Software Update 2 D A 9 2 3 Downgrade to an Earlier Version It is possible to downgrade to an earlier version of the software CHAPTER 9 s 1 Change the atest part of the server address Fig 9 2 to the requested software package for example SW22 2 Tap Check for Updates 3 Follow the procedure described in section 9 2 1 or section 9 2 2 Please note Only software packages equal to or above SW24 can downgrade to another package Software packages down to SW21 are available for update through Internet 9 3 9 4 9 4 1 9 4 2 Hand held Analyzer 2250 Light User Manual How to Move a License If you have more than one analyzer you may want to share application software between the analyzers You can do this by moving the license from one analyzer to another by using Measurement Partner Suite BZ 5503 together with the License Mover VP 0647 If you lend out your analyzer you may want to temporarily uninstall applications not needed This can be achieved by moving the license of the application to License Mover VP 0647 When needed again you move the license back to your analyzer Please consult the on line help included with the BZ 5503 software for instructions on how to move a license Troubleshooting Measurements If your measurement seems to
262. uring e Tap the stylus on the profile This will set the profile cursor and freeze the display update of the profile You can move the cursor to any point in the profile by using the left and right arrow pushbuttons The profile will be scrolled automatically if necessary Unfreeze by tapping on ET e Tap and hold the stylus on the profile display and drag it to the left or right This will freeze the display and show two cursors Next remove the stylus from the display and a drop down menu appears with the possibility of setting or editing a marker or annotation see below Select the required function from the drop down menu When the function has been carried out the profile unfreezes automatically and progresses as it did before you tapped on the screen The logged data are displayed as two profiles The Profile Overview with the entire profile and the Profile with 100 logging samples The Profile Overview An overview of the entire profile is displayed across the screen on the topmost part of the graph area The overview is based on Lxeq 1s X A or B depending on the Frequency Settings gt Broadband excl Peak setting The Y axis is auto zoomed When you have logged for more than 4 minutes then each pixel on the X axis will cover more than 1 s The overview will then display from the minimum Lxeq 1s to the maximum Lyeg 15 within the interval covered by the pixels on the X axis Tap in the Profile Overview to select the pa
263. val for storing or setting a marker the profile display freezes but the signal recording is still updated in the internal buffer The part of the buffer available on the screen will decrease and you will see the small triangle move to the right Be sure not to wait too long in selecting the Sound markerfrom the drop down menu otherwise the signal recording will disappear from the internal buffer CHAPTER 12 Signal Recording Optional 12 2 4 Playing the Recording With your G4 analyzer you can playback the sound simply by selecting part of the marker as described in section 11 3 3 and choose Play Sound from the resulting drop down menu The following drop down menu will then appear see Fig 12 2 Fig 12 2 LOGGING Playing the recording Job 01 Project 001 the drop down menu E 00 00 01 Uncal Logged g 05 38 27 D Select one of the four ways of playing a sound Se ectionwill play the part you have selected Repeat Selectionwill play the selected part until you press Cance on the pop up menu 70 Endwill play the sound from the position you selected the sound marker to the end and finally A will play the entire signal recording regardless of your selection point Fig 12 3 LOGGING Playing the recording rd NT Markers Project 003 0 output level pop up E 00 00 01 ti Logged E 2 12 22 A A LAechy INFORMATION Playing back Click Cancel to stop Use up and down arrow to adjust gain Gain dB 0 0
264. value for the Last or highest Bandin the low frequency range from 12 5 Hz to 315 Hz and set the division between the Middle High frequency range by selecting the required value for the Last or highest Band in the middle frequency range from 160 Hz to 20 kHz The ISO method does not state which frequency weighting should be used so in the default setup A weighing is selected However this is not described in the ISO method so no warnings will be generated if you select other frequency weightings 13 3 3 Setting up the Measurement using the Default Setup Select the Tone parameter above the spectrum and start the measurement by pressing the Start Pause pushbutton If the selected setup parameters do not comply with the selected tone assessment method the following pop up window will be displayed Fig 13 4 Pop up window for tone measurement setup check The pop up window can be deactivated for the rest of the measurement session To activate it again you will have to reload the template or restart your analyzer This automatic check is deactivated when Main Menu FE gt Setup gt Tone Assessment gt Tone Assessment is set to Off To reset all the relevant parameters to the default setup tap the OK button The default setup includes preset parameters that comply with the selected standard These are described in Table Adjustment cB CHAPTER 13 Tone Assessment Option BZ 7231 1 3 octave Method FREQUENC
265. ve No Leg parameter logged Select an Leq spectrum for logging Sound Field Mismatch for Loudness Set the Loudness parameter in Znput in accordance with the Sound Field Correction Frequency bands outside Noise Curves Levels are lower or higher than any noise curve band Noise Curves require use of Mic Select a microphone Display Noise Curve with Lzeq Noise parameters are calculated but Noise Curves can only be displayed together with Lzeq Noise Curve for 1 1 octaves only Noise parameters are calculated but Noise Curves can only be displayed for 1 1 octaves 10 4 Saving Results Measurements are saved and can be viewed later in the same way as described for the Sound Level Meter Project in Chapter 3 Chapter 11 Logging Optional Module Logging Software for 2250 Light BZ 7133 enables you to measure and save data periodically on SD or CF cards You can also save to a USB memory stick with G4 analyzers The module is optimized for attended use which means that while measuring you can mark up to five different sound categories online The main benefit is that data is documented on site and is therefore ready for post processing and reporting back at the office using Measurement Partner Suite BZ 5503 or other post processing software such as Evaluator Type 7820 Protector Type 7825 or Microsoft Excel In addition to measuring broadband parameters see Chapter 3 and spect
266. vent doesn t exceed a certain limit at any 15 minutes of observation time during the event The value is equal to Lyeq at the start of the measurement as long as the elapsed time less than or equal to T Two values with frequency weighting X Aand Care measured simultaneously ALeg 7 moy S calculated as the difference between Lceq T mov and LAeg T mov The maximum of the Lyeq T mov Values during the measurement only taking values into account where elapsed time is greater than or equal to T Two values with frequency weighting X A and C are measured simultaneously ALeg t mov max S calculated as the difference between Lcegt mov max and LAeg T mov max LAFmax LAFmin LaF9o 0 Lago 0 LaF SPL LaFteq Lavuq APPENDIX E Glossary The instantaneous time weighted sound level Lp is available at any time A denotes that the A frequency weighting is used F denotes that the Fast time weighting is used Maximum time weighted sound level measured with A frequency weighting and Fast time weighting It is the highest level of environmental noise occurring during the measurement time It is often used in conjunction with another noise parameter for example Laeg to ensure a single noise event does not exceed a limit Minimum time weighted sound level measured with A frequency weighting and Fast time weighting It is the lowest level of environmental noise occurring during the measurement time time resolut
267. ware and settings Press y to confirm or any other key to cancel c Press the Accept pushbutton v to restore factory firmware and settings Ifthe analyzer now functions normally you should install the software package of your preference as described in section 9 2 Br el amp Kj r recommends that you always use the latest available 2 all hardware versions If the analyzer now functions normally define your preferred settings in the Preferences screen adjust the touch screen again and make necessary changes to Setup all accessed via the Main Menu E If you experience problems selecting another template or you log in as another user then note which step causes the problem You might need to delete reconfigure the templates or users To delete reconfigure templates or users use Measurement Partner Suite BZ 5503 with the analyzer connected to the PC via Micro USB Cable AO 1494 G4 hardware or Mini USB Cable AO 1476 ora modem LAN connection Please consult the online help included with the BZ 5503 software for instructions on how to configure the analyzer Re installing Software G1 3 analyzers If the analyzer still does not work normally after performing the Analyzer Reset procedure then the software might need to be re installed This can be done in two ways 1 If the connection to Measurement Partner Suite BZ 5503 works with the analyzer connected to the PC using a USB cable then the software can be re i
268. will automatically get an IP address which is readable but not accessible in Network for more details see section 8 3 The IP address is the address on the WAN Wide Area Network or Internet Use this address in BZ 5503 or an Internet browser to connect to the analyzer Please note In some cases you might be able to get a static IP address from the network operator which means that the analyzer will always have the same IP address when connected to the network However typically the IP address will be renewed each time the analyzer connects to the network In order to deal with this in BZ 5503 or via an Internet browser you need to use DynDNS see section 8 2 3 Modems with USB Interface The Airlink Fastrack Xtend GPRS EDGE and HSPA modem from Sierra Wireless www sierrawireless com has been tested Modems with an USB interface can be connected to the USB Type A socket on G4 analyzers Modems with RS 232 Serial Interfaces The following modems have been tested e FASTRACK Supreme 10 and 20 GSM GPRS EDGE Modem from Wavecom e Airlink Fastrack Xtend GPRS EDGE and HSPA from Sierra Wireless www sierrawireless com For G4 analyzers modems with an RS 232 serial interface can be connected using a USB to serial converter inserted in the USB TypeA socket of the analyzer The following USB to serial converters have been tested e USB to RS 232 Converter UL 0250 See Ordering Information on page 141 e ES U 1001 R10
269. witchto Charge battery only see section 8 1 2 86 Hand held Analyzer 2250 Light User Manual 7 Chapter 9 Updating and Upgrading Applications Maintenance Calibration and Troubleshooting 9 1 How to Install New Applications Sound Level Meter Software for 2250 Light BZ 7130 1 1 octave Frequency Analysis Software for 2250 Light BZ 7131 1 3 octave Frequency Analysis Software for 2250 Light BZ 7132 Logging Software for 2250 Light BZ 7133 Signal Recording Option BZ 7226 and Tone Assessment Option BZ 7231are pre installed on the analyzer However a valid license is required to run the software If you have purchased the analyzer together with the software application s then the relevant license s will come pre installed on the analyzer If you purchase a separate software application for your analyzer then you have to install the license on the analyzer This is done using Measurement Partner Suite BZ 5503 please consult the online help included with the BZ 5503 software for instructions on how to install a license Tap on the analyzer s screen then About to get a list of installed software and licenses 9 2 How to Update Upgrade Applications and Install New Languages Briiel amp Kjaer recommends that you always use the most current software available New versions of the analyzer software are available for download via the Bruel amp Kj r website www bksv com To do this use Measurement Partner Suite BZ 5503
270. y The pushbuttons and display can be locked to prevent inadvertent operation To Lock Select the Lock Keys and Screen option from the Main Menu Eq e To Unlock Press the Left Arrow pushbutton followed by the Right Arrow pushbutton gt then the Accept pushbutton v gt If you attempt to press a pushbutton or tap the screen while the analyzer is locked an information window pops up with instructions on how to unlock it 38 Hand held Analyzer 2250 Light User Manual 5 1 5 2 J 3 Chapter 5 Calibration This chapter describes calibration including e Types of calibration e How to calibrate e Calibration history e The transducer database e How to set up a calibration reminder e Charge injection calibration CIC Introduction Calibration is an adjustment of your analyzer to measure and display correct values The sensitivity of the transducer as well as the response of the electronic circuitry can vary slightly over time or could be affected by environmental conditions such as temperature and humidity While you are unlikely to ever experience a large drift or change in sensitivity with the analyzer it is nevertheless good practice to perform regular calibrations normally before and after each set of measurements Often calibration is required by measurement standards such as IEC 61672 1 Calibration Types Acoustic Calibration Acoustic calibration is the preferred calibration method particularly w
271. zer This chapter describes how to assemble and set up your analyzer including e Necessary information concerning the analyzer s hardware version e Adiagram and brief description of the analyzer components and various input and output connections e Anoverview of hardware components showing the main configurations of the analyzer and its accessories e Instructions on how to assemble standard and optional hardware components 2 1 Determining Your Hardware Version Analyzer hardware is periodically updated The most significant update was to hardware version 4 G4 in 2012 To check if your analyzer uses G4 hardware tap RJ then About The About screen will list the hardware and software versions currently installed 2 1 1 What is Different with G4 Hardware The differences in the G4 hardware compared to previous versions include e A brighter screen that is easier to view in direct sunlight e The CF card slot was replaced with a second SD card slot to take advantage of the SD format s dominance in the storage and Wi Fi markets e The USB connector was changed from USB 1 1 Mini B to USB 2 0 Micro AB The USB 2 0 connection speeds are faster and the Micro USB connector is more common e A second standard USB Type A socket was added for easier connection to USB peripherals such as Wi Fi dongles modems printers GPS receivers and USB to RS 232 adaptors e A100 Mbps LAN connector is available 4 Hand held Analyzer 2250 Light Us
272. zer 2250 Light User Manual To compensate for this use the built in windscreen correction Table A 2 Windscreen correction parameters Parameter Values Comment Windscreen Correction None You can manually select a windscreen correction for UA 0237 Windscreen UA 0237 No correction is made for unknown microphones Trigger Input None This parameter should be set to match the equipment connected to the Trigger Input socket on the MATRON connector panel of the analyzer Handswitch Voltage Level Set it to None if not used Set Trigger Input to MATRON Handswitch if the analyzer is being used in the MATRON system This setting should also be used if you want to use the Handswitch ZH 0680 for manually triggering signal recordings Set Trigger input to Vo tage Leve if you want to control signal recording by a voltage level generated by external equipment The Voltage Level should generate at least 2 V for On and less than 1 V for Off The duration of the steady level should be at least 1 s so it can be recognized by the analyzer APPENDIX A Setup Parameters ni A 2 Frequency Settings Table A 3 Frequency Settings parameters Parameter Values Comment Broadband excl Peak AC All broadband parameters except Lpeak are measured AZ simultaneously with two different frequency oe weightings select the weightings here Broadband Peak X One broadband peak parameter Lpeak is measured C select the fr

User Manual: Hand-held Analyzer Type 2250-L

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