Home

NoisePro User Manual - TRS

1. 33 User 4413 ete EYE HRS 34 Dynamic 1 E Mail Otest 30 Equations 44x54 ttik itik EORR 83 Equivalent sound level LEQ 77 Escape key ka ks ES RR HER RR 9 EU Change setup 36 37 Directive dua certeianerecessice AER 33 Exceedance Defined 74 Exchange Rate ER Defined i eS RP 74 Exposure Daily personal LEP D 77 Equation sss RR 84 Indicators 76 Fast Ceiling 26 Fast response curve 79 Formulas ER dS 83 H Header reports 57 Hearing Conservation HC 1983 Amendment 80 Dosimeter setups values 33 Program definition 75 Hertz Hz defined 73 Noisep o series IEC ISO descriptors 30 Infrared Comm Set display 28 Hardware setup 51 Troubleshooting 70 Interval logging 26 L LAVG Defined 1332 ire ERREUR RR EO 76 Equation auod b C pO EH ADS 83 LDN TT LEQ Defined 77 Equation Sad epo 83 Lobat Battery replacement 65 Indicator rea pne
2. 25 Timed Run Auto Run 22 Trigger Enable vibration 31 Vibration 4 62s geb RA 31 Tripod USING 2s cer RR 12 Noisep o series U Upper Limit defined 81 USB alee ence 51 User settings lock 49 User setups Compliance indicators 45 Dosimeter setups 34 V Validity 2a 63 Vibration Belt clip installation 67 Enable trigger 31 Rate ases end dad decus d dert db 30 Trigger setup 3 235 31 Troubleshooting 70 View current data 39 Website Quest 30 Weighting Changing 37 Conflict resolution 38 Conflicts baie d eee dcl 38 Defined 444 mtbb pert RRE RE 81 Windscreen Effect on frequency response 87 11 2 Z weighting defined 81 053 379 Rev D
3. 46 Basic and IEC ISO descriptors 76 Variables used in the 85 No sep e series 053 379 Rev D Introduction Noise dosimetry is all about measuring sound and protecting hearing To do that well a dosimeter must provide comprehensive information under varying conditions in multiple locations and with user settings It should also be easy to use To demonstrate the ability of NoisePro to function as a powerful yet user friendly tool this introduction is intended to get you going quickly First we ll briefly cover some information about noise dosimetry and then demonstrate how easy it is to put NoisePro to work right out of the box Noise dosimetry Wide dynamic range of sound Sound energy is commonly expressed in decibels dB which relates one energy level to a second energy level on a logarithmic scale For instance if the noise in a room is 50 dB common in a busy office workers in the area are exposed to a noise level that is 100 000 times as loud as they can barely hear At a noise regulation level of 90 dB their noise exposure is one billion times the level at the threshold of hearing The range between the least detectable sound and the peak sound in an environment is called the sound s dynamic range Standards Many organizations have studied the detrimental effect of high sound levels on hearing As a result
4. 73 Basic DESCriprors Pe eia Susa tele ode PAULUS Ege dw statio Ata 73 Criterion Level CL eas TUM etaed qs 73 Criterion acd d Rea 73 D ecibel dB re pO bw e hat eo Se eR 73 eus su cU E e Ld A 74 Exccedencee soaks e du haem ae Vue eletti aptus ees 74 Exchange Rate ER o evt etd bur per dod sf Eb ode Des 74 Hearing Conservation 75 i teh cue ta dera 75 IECASO DeSOHDIOIS neue 75 LA VOR is pond cla 76 RE PEE RS MEE M ME 77 No sep e series 053 379 Rev D CONTENTS ix EBB c atate pin e 77 PEQ ridus xs Re mur qeu m dT is 77 77 oso 77 Weak adus ANUS Sea iua AE 77 Permissible Exposure Limit PEL 78 hrs LI e MM Da Ee E 78 Sound Exposure Level SEL 79 Thteshollo i xau vete S SC ESI d Vea Ts 80 Time Weighted Average 80 Upper Lxmit iub a seed c was y ien Ey sea tos ee cerra Ces 81 coa ances He SS AEG Raed NOs E ERA 81 Appendix B M
5. VIEW SET PARAMETERS RESPONSE VIEW SET RANGE EXCHANGE RATE VIEW SET WEIGHTING CRITERION LEVEL SAVE TO DOSIMETER 1 CRITERION TIME THRESHOLD DOSE1 UPPER LIMIT View Setup display Parameters Settings display Figure 5 1 Working with dosimeter setups DLX displays shown Dosimeter Options display Open the Dosimeter Options display by pressing either dosimeter softkey in the Setup display The Navigation Line identifies the dosimeter you selected The setup currently assigned to the selected dosimeter is highlighted and marked with an asterisk 053 379 Rev D Noisep o series 36 CONFIGURING DOSIMETERS View Setup display View Setup display Open the View Setup display by pressing a dosimeter softkey in the Dosimeter Options display The selected dosimeter is identified at the bottom of the display The setup currently assigned to the selected dosimeter is identified in the Navigation Line Parameter Settings display View parameter settings or make changes to them in the Parameter Settings display Open the Parameter Settings display for a setup selected in the View Setup display reset to close the session Reset operation on page 11 For DLX models you y NOTE Parameter settings may be changed only during a closed session You can can also close a session in the Start display Closing sessions on page 14 To view setup parameters and settings 1 Inthe Dosimeter Options display press to cursor to a set
6. 10 100 1000 10000 Frequency Hz Figure C 10 Class 2 boom free field 90 no windscreen Noisep o series 053 379 Rev D 053 379 Rev D Relative response dB Relative response dB MICROPHONE 93 Class 2 boom mounted microphone 10 100 1000 10000 Frequency Hz Figure C 11 Class 2 boom random incidence no windscreen 10 100 1000 10000 Frequency Hz Figure C 12 Class 2 boom random incidence windscreen NoisePve series 94 MICROPHONE This page intentionally left blank No sep e series 053 379 Rev D APPENDIX Specifications All specifications subject to change Standards e 5151 25 1991 ANSI S1 4 1983 Class Type 2 Class Type 1 DLX 1 only e 651 1979 Class Type 2 Class Type 1 DLX 1 only 804 1985 Class Type 2 Class Type 1 DLX 1 only e 1252 1993 User interface e Display Backlit 128 x 64 pixel LCD Several options for backlighting occurrence plus continuously adjustable contrast settings Keypad Membrane switches for environmental isolation including four softkeys with variable functions that depend upon the display Languages English French German Spanish and Italian Data descriptors Choice of Basic US or IEC ISO Measurement Ranges e RMS Two ranges 40 110 dB and
7. 61 Background i ons ee aed ee EE Ve eu op sto dq 61 053 379 Rev D NoisePve series vii viii CONTENTS Combining noise 62 NOIE RIOOL OS ee oat IUE Tut 63 Chapter 10 65 Approved bateries veste e ey awh ee tob n utor ee ee 65 Replacing batteries rir eeu D e aS Nen IM E 65 Exchanging belt e I RR IR RAD 67 Chapter 11 1 amp 69 TroubleshoOLllg si duce Perte Pra 69 blank display so Donee re uev hte Vani am D Roe Cae 69 General calibration 69 Pre calibration value not 69 Post calibration discrepancy 69 Erit TS errati aso 70 Clock settings lost eem neck 70 Belt clip vibrator not working 70 Belt clip vibrator won t turn 70 Communications not working 70 PvE bos Ves wis DA Mou Sus 70 Battery error PFR restore 70 Factory SELUIC Estos scende deiode aedis duce ta 7 Appendix A Glossary
8. change settings In the Time Date display press Mwy to select TIME DISPLAY or DATE Press e to advance the cursor into the data field Press to modify the setting mes Press to advance the cursor either into the selection s next data field or to a different selection m Repeat all steps above to change other settings in this display 6 Press to escape the display W NOTE You can only escape the display when TIME DISPLAY or DATE is highlighted Prj Time Set a Projected Time when you want to calculate dosages for a time that is different than the Run Time This setting applies to all active dosimeters global setting gt To set Projected Time In the Prj Time display press e to highlight the setting Press Ay to select a new setting Press e to change it Press e to escape the display Boe m 053 379 Rev D Noisefh e series 26 GENERAL SETUP Logging Logging If you re using the DLX the Logging Setup display shown in Figure 4 6 allows you to set the logging rate and two logging thresholds You can choose which measurements are logged by selecting Y enabled or N not enabled If a measurement is not available D is displayed after the descriptor Table 4 1 further explains the menu options Nsetup LOGGING W AVGi Y SMAX Y AVG2 Y FMAX Y LPK N SCEIL N FCEIL N AVG3 SMIN AVG4 N FMIN N SCEIL 115 dB FCEIL 140 dB INTERVAL 60 Min
9. If an overload occurs while you are running a study the OL Indicator appears and stays there If you are viewing a previous study or session results during which an overload occurred the OL Indicator appears in the display If you re monitoring sound levels without recording the OL Indicator appears only during an overload event then goes away when the sound level returns to the normal operating range 053 379 Rev D Noisep o series 44 EXAMINING RESULTS SLM measurements SLM measurements The first measurement in the Level category reports the current sound level This measurement is always displayed even after a Reset and when you close the session DLX models only In effect you can monitor the sound level as you would with a sound level meter by viewing this measurement You can use arrow keys to select which dosimeter is used for the measurement Selecting with arrow keys on page 42 For more information about operating the NoisePro like a sound level meter see Area monitoring on page 2 Interpreted summaries Direct measurements of the TWA and Dose and calculated measurements of PTWA and PDose are repeated and interpreted in the Summary display This display also shows the Upper Limit threshold and time the noise ranged above that threshold Press SUMRY in the Results display to view interpreted summaries and Upper Limit threshold information Figure 6 3 Dosimeter setup 55 02 03 MSHA HC SUMRY
10. 053 379 Rev D NoisePve series 40 EXAMINING RESULTS Reviewing previous results Reviewing previous results In the Start display press Ady to select REVIEW STUDIES will be marked REVIEW if you are using a DLX then press e The Source Selection display appears Figure 6 1 REVIEW REVIEW STUDIES SESSION 1 of 2 STUDY 1 of 5 STUDY 1 of 5 VIEW SESSION VIEW STUDY VIEW STUDY NoisePro DLX display NoisePro and NoisePro DL display Figure 6 1 Source Selection display Reviewing results You can review results for a previous study during a session pause If you are using a DLX you can review results for a previous session in memory if the current session is closed To review current study or session results see Viewing current results on page 39 If you are using a DLX select the session before selecting the study If using one of the other NoisePro models go directly to To select the study below gt To select the session DLX only Opposite the word SESSION in the display are two numbers The first number is the selected session The second number tells you how many sessions are in memory Reset sets this value to zero 1 Cursor to highlight SESSION then press The highlighting moves to the selection field 2 Press to change the selected session then press e to return 3 Ifreviewing study results continue with select the study below If reviewing session resu
11. 00 00 00 00 Run time HH MM SS 1 2 3 4 Date Time softkeys Figure 4 3 DLX Date Setup display 4 Press e to highlight the first date field day of the month S Press Ady to select a day then press e to highlight the next field in sequence 6 Repeat step 5 for each field in sequence until the highlight returns to the Auto Run Banner at the top 7 Options at this point e Repeat If you want to change any of the settings you just made press e and repeat steps 5 7 of this procedure e Another date For a DLX model if you want to program an additional date press a different Date Time softkey then repeat steps 4 7 If that selection is preceded by a negative sign enable it by pressing the softkey again Quit Press e to escape from this display 053 379 Rev D Noisep o series 22 GENERAL SETUP Auto Run NOTE You can only escape from the display when the Auto Run Banner is highlighted 8 To activate this Auto Run setup see Enable disable Auto Run on page 24 Timed Run mode Set a time in Timed Run mode when you want to start a study manually but end it automatically To set in Timed Run mode 1 Inthe Auto Run display cursor to highlight MODE Figure 4 2 2 Press e once or twice until TIMED RUN appears on the right 3 Press the Time softkey The Timed Run Setup display appears Figure 4 3 setup auto run TIMED RUN Run time Timed Run HH MM S
12. 3 Inthe View Setup display press Mwy to cursor to SAVE TO DOSIMETER X where X is the number of the dosimeter you selected in step 1 4 Press e If the setup is allowable the Dosimeter Options display appears If not a conflict resolution display appears See below To disable a dosimeter You can disable a dosimeter by following the procedure above for assigning a setup except in step 2 select DISABLED When disabled no data is processed or stored for that dosimeter Enable a disabled dosimeter by assigning any available setup to it lict resolution Conflicts can exist for the following settings but only for enabled dosimeters e Impulse time response Cannot be mixed with Slow or Fast settings e Range Must be the same for all dosimeters that are enabled e Weighting Must be the same for all dosimeters that are enabled A conflict cannot exist between dosimeters if only one dosimeter is enabled For that reason one way to resolve a conflict is to intentionally disable all other dosimeters To disable a dosimeter above The other way to resolve a conflict is by means of the conflict resolution displays A conflict resolution display appears whenever a conflict exists at the time of setup assignment If more than one conflicting condition exists the conflict resolution displays appear in sequence Each conflict resolution display gives you two options Save Press to approve the new assignment NoisePro re
13. Measuring noise levels Orient the microphone depending upon whether you are doing free field or random incidence monitoring Free field DLX 1 only Point the microphone directly at the sound source e Random incidence Angle the microphone upward at approximately 709 with respect to the sound source Applicable to all Class 2 models and the Class 1 model with the Random Incidence Corrector applied Measuring noise levels Once the instrument is on you can start and stop studies with a single key During or after a study you can open the Results display to examine a wide variety of level average and dose measurements obtained with multiple dosimeter setups Running studies Start and stop studies using the key shown at the right When a study is running a Run Icon y appears just to the left of the battery icon at the lower right corner of the display When the session 15 paused a Pause Icon replaces the Run Icon After a Reset that clears memory Session Closed Icon i appears in that location Viewing results Examine noise measurements and other information in the Results display Results display on page 41 gt To view results 1 In the Start display press MWy to highlight VIEW CURRENT STUDIES 2 Press The Results display appears Figure 6 2 e Press the LEVEL AVG DOSE and SUMRY softkeys to cycle through measurements and a measurement summary e Press to switch between the instrument s do
14. 3 NoisePro weighting curves No sep e series 053 379 Rev D APPENDIX Measurement equations These equations are used in NoisePro calculations Some of the terms used in these equations are explained in Table B 1 Others are explained in Appendix A Glossary RTIME DOSE 100 5 qc o 0 PED hours DOSE x RTIME Prt hours DOSE x RTIME RTIME L yg ER log f 215R dt _ Jog RTIME dB 0 RTIME Lgo 3 01 215 391 dt log RTIME dB 0 RTIME SEL log 2 5 ER 0 053 379 Rev D NoisePve series 84 MEASUREMENT EQUATIONS Weighting RTIME TWA ER ve 215 8 at log TC dB 0 _ Prt Leo 94 3 01 RTIME 2 EXP pgs 2 HTIME LHIST ER ve 2 S ER at log HTIME dB TIME STAT DIST 100 x 5 26 No sep e series 053 379 Rev D MEASUREMENT EQUATIONS Table B 1 Variables used in the equations Weighting Variables Explanations LS Sound level in decibels that exceeds the Threshold Level The response time is indicated by the second letter Slow or Fast TC 8 Hour Criterion Time 28800 seconds RTIME Run Time seconds ER Exchange Rate 3 4 5 or 6 dB CL Criterion Level 40 to 140 dB LHIST Integrated level stored either in 1 second 10 second or 1 minute periods based on the programmed logging setup HTIME Time used to compute Time Histor
15. Figure 4 6 Logging Setup display NOTE Logging settings may be changed only during a closed session You can reset to close the session Reset operation on page 11 For DLX models you can also close a session in the Start display Closing sessions on page 14 Table 4 1 Explanation of logging options Explanations ANG 1 4 Time average sound level for each dosimeter SMAX Maximum level at slow time response FMAX IMAX Maximum level at fast time response SMIN Minimum level at slow time response FMIN IMIN Minimum level at fast time response LPK Peak level unaffected by time response setting SCEIL Measure of how long during a logging interval that the level at slow time response exceeds the Slow Ceiling threshold FCEIL Measure of how long during a logging interval that the level at fast time response exceeds the Fast Ceiling threshold INTERVAL Logging interval time range 1 second to 60 minutes in 11 steps Some options are different for an Impulse time response Impulse exceptions on page 27 Nois epre Series 053 379 Rev D GENERAL SETUP 27 Logging gt To enable disable logging You can individually enable and disable time average logging AVG for each dosimeter You can also enable and disable logging for the maximum and minimum levels and for the ceiling times 1 2 3 NOTE If D is shown for a dosimeter that
16. Frequency weighting All dosimeters have the same RMS and Peak weighting settings e RMS A weighting or C weighting e Peak A weighting C weighting or Z weighting Projected Time 1 to 18 hours in 1 hour increments All dosimeters are set to the same projected time Measurement resolution Amplitude 0 1 dB Dose 0 00196 to 999990 Auto scaling always shows 4 digits Statistical Distribution 0 1 dB increments for Slow or Fast Calibrations Nois Series Weighting Values obtained at current weighting setting History Latest pre calibration before session and post calibration during session values saved with an associated study and can be displayed 053 379 Rev D SPECIFICATIONS 97 Logging DL and DLX models only Logging DL and DLX models only Configuration DLX Choices available for all settings e DL All settings are fixed and unalterable Layg Lego Logged per dosimeter e Max levels Slow Fast or both e Peak level DLX only e levels DLX Slow Fast or both DL Not available Time above ceilings e DLX Separate Slow and Fast ceiling thresholds adjustable over 40 140 dB e DL Not available Logging interval e DLX 1 second to 1 minute in 10 steps 1 minute only for the DL DL 1 minute only Communications NoisePro can communicate via infrared transmission with a separate computer at a data rate at 115200 baud Use this communications channel fo
17. Noisef e series 053 379 Rev D Study section COMMUNICATIONS 59 Anatomy of a NoisePro report Study sections follow the Session section in order for as many studies as were performed in the session An example of a Study section is shown in Figure 8 6 STUDY 1 2 Post Calibration Study Started OSHA PEL Peak Level Slow Max Level Slow Min Level UL Time TWA Dose Compliance Compliance 8 USER 1 Peak Level Fast Max Level Fast Min Level UL Time TWA Dose Compliance Compliance 8 o 108 0 dB 104 1dB 98 9dB 0 0 0 80 8dB 30 5 130 104 1dB 98 9dB 0 2 05 90 8dB 38555 Figure 8 6 Level 114 Study Stopped 31 JAN 2003 8 13 10 22 31 JAN 2003 e 17 31 JAN 2003 31 JAN 2003 31 JAN 2003 Lavg TWA 8 Dose 8 PEL PEL 31 JAN 2003 31 JAN 2003 31 JAN 2003 Lavg TWA 8 Dose 8 1 Study section 13 11 05 13 11 05 15 12 55 105 8dB 105 8dB 9999 Pass o Fail 08 10 29 13 12 14 14 36 07 108 8dB 108 8dB 9999 Fail Fail 31 Jan 2003 17 580815 Overload NO 165 0dB Fail Fail Identifies this study as the second one in the session Session Study Space is provided here for you to enter your comments about the study Post calibration results for this study Study start stop and run times followed by an overload statement Yes appears if an overload occurred during this stu
18. Power needs e Two 1 5 volt AA replaceable alkaline cells Select as specified under Approved batteries on page 65 Long life Lithium battery to maintain time and date settings during battery replacement Battery lifetime The replaceable alkaline batteries have a lifetime of approximately 60 hours when neither the display backlighting nor the optional vibrating belt clip is used If you select one of the backlighting options or are triggering vibrator alerts battery lifetime can be substantially decreased 053 379 Rev D SPECIFICATIONS 99 Mechanical characteristics Mechanical characteristics Dimensions 5 in x 2 7 in x 1 5 in 127 mm x 68 6 mm x 38 1 mm e Weight 14 oz 369 e Construction Industrial grade cast aluminum IP 65 rated case Security cover held in place by a slotted screw Approvals e Intrinsic Safety UL cUL MSHA Ex and ATEX Intrinsic Safety pending SIMTARS e Product standards CE Mark EN 61252 ANSI 51 25 Replacement Parts 059 523 Class Type 1 microphone DLX 1 BK4936 microphone 0 52 inch 12 2 mm furnished with Random Incidence Corrector 053 877 Cable for Class Type 1 microphone DLX 1 Cable has integrated preamp and shoulder attachment clip at one end and LEMO connector at other end 053 867 Class Type 2 microphone assembly all but DLX 1 Cable with the microphone and shoulder attachment clip at one end and LEMO connector at other end Microphone
19. TWA 91 Q HC amp DHP Q Projected PTWA 111 1dB PDOSE 999 896 HC 9 DHP amp values Measured n values Upper Limit gt 115dB U L 00 00 35 LEVEL ave DOSE SUMRY Figure 6 3 Summary display Selecting dosimeters You can view results for each enabled dosimeter Press to switch between the dosimeters Noisef e series 053 379 Rev D EXAMINING RESULTS 45 Interpreted summaries Alert levels Icons in the Summary display represent ranges above or below an Alert Level When the measured or projected time weighted average is below the Alert Level a happy 2 face icon favorable result is shown When the measured or projected time weighted average is equal or above the Alert y Level a sad face icon is shown unfavorable result Because Alert Levels are typically set to compliance levels YAL 1 these icons represent real time compliance indicators For some pre defined setups a second Alert Level exists For user setups you can set one or two Alert Levels To create user setup Alert Levels define them in QuestSuite Pro and download them to the NoisePro Comm viv display on page 53 Range When there are two Alert Levels the interpretations for Bottom each are given below the measured and projected values Figure 6 4 Alert Figure 6 3 There can be an overlapping range for the two Levels AL 1 amp 2 Alert L
20. standards have been developed to ensure hearing safety In the United States the Occupational Safety and Health Administration OSHA the Mine Safety and Health Administration MSHA and the American Conference of Governmental Industrial Hygienists ACGIH have all set limits on how much environmental noise is permissible These limits are commonly cited in workplace standards and in the design of noise measurement devices NoisePro models This manual is used for all NoisePro models You can identify differences between the models in Appendix D Specifications Differences in setup and operation between the models are identified and explained throughout the manual 053 379 Rev D NoisepPre series 2 INTRODUCTION About studies and sessions About studies and sessions You can monitor sound levels without recording them but in most cases you will store your measurements for separate evaluation Recordings are performed in studies and studies are grouped together in a session typical session consists of the recording of multiple studies in a work day where the studies are separated by paused periods that allow time for work breaks and the lunch period If you are using a DLX model you can group studies in separate sessions and store as many as 100 sessions at one time in the instrument s memory For the other NoisePro models all of the studies stored in memory are part of the same session Session results are derived values
21. the word DISABLED appears in place of the row of Zeros in step 5 W FORGOT THE CODE Enter Recovery Code 9157 which always works 053 379 Rev D NoisePve series 50 SECURITY SETTINGS Disable Secure Setup Mode This page intentionally left blank No sep e series 053 379 Rev D Communications NoisePro can communicate with a personal computer and with other NoisePro units via infrared transmission This chapter explains the hardware setups and software operations needed to control and execute communications processes Purposes of communication Using QuestSuite Professional This Quest Technologies application runs in a personal computer under Windows QuestSuite can receive session results from NoisePro units and provide a wide variety of graphical and reporting functions For example QuestSuite provides printed reports of study and session results If you don t have QuestSuite and want to find out how it can work for you see your dealer Shuttling results You can transfer session results called shuttling from any NoisePro unit to a NoisePro DLX model When the transfer is done the session data is stored in sequence on the DLX receiving unit but left on the sending unit By this means you can monitor with single session models shuttle session results to a DLX for offline processing then clear session memory in the sending unit and begin a new session Generating reports NoisePro units can organi
22. 1 microphone under random incidence sound source conditions To apply it push over the tip of the microphone until the microphone seats against a lip in the corrector approximately 1 mm from the end No sep e Series 8 FIRST TIME USE All other NoisePro models Frequency response curves for the microphone without the corrector are given under Class 1 microphone on page 87 Response curves with the corrector attached are provided with the Class 1 microphone All other NoisePro models Cable microphone Attach by connecting the cable to the instrument To install 1 Rotate the cable connector to align it properly with the Microphone Connector There is only one way that it fits 2 Push it straight in The connectors automatically latch together gt To remove 1 Grab the ring in the middle of the cable connector 2 Pull it straight out The ring slides to unlatch the connectors Boom microphone The boom microphone is an optional type 2 microphone assembly To install 1 Line up the boom connector with the Microphone Connector There is only one way that it fits 2 Plug in the boom connector 3 Screw to tighten by rotating the boom connector s knurled ring clockwise gt To remove 1 Unscrew to release the boom connector s knurled ring 2 Pull the boom connector straight out of the Microphone Connector NoisePro keys Many of the procedures in this manual identify keys by the images t
23. 70 140 dB each of which covers 70 dB dynamic range All dosimeters are set to the same range Maximum level is for sinusoidal signals A signal with a 10 dB crest factor will be measured accurately if its rms level is 10 dB below the maximum level for the range e Peak 115 143 dB covering 28 dB dynamic range Measurement settings e Dosimeters Up to two dosimeters at once each with its own assignable profile NoisePro DLX models have two additional dosimeters Dosimeter profiles Nine saved setups five of which are pre configured to comply with OSHA MSHA and ACGIH noise dosimetry standards and cannot be changed One other setup 15 pre figured to comply with the 2003 10 EC 053 379 Rev D NoisePve series 96 SPECIFICATIONS Measurement resolution Directive of the European Union and can be changed to accommodate member country deviances Three other setups are user configured Response Slow Fast or Impulse for any user configured dosimeter Impulse must be for all or for none Exchange Rate 3 4 5 or 6 dB for any user configured dosimeter Criterion Level 40 140 dB in 1 dB increments for any user configured dosimeter Criterion Time 1 18 hours in 1 hour increments per dosimeter for any user configured dosimeter Threshold Either Off or set in the range 40 140 dB 1 dB increments for any user configured dosimeter Upper Limit 40 140 dB for any user configured dosimeter
24. A 80 3 0 0 0 0 0 0 81 0 99 6 97 92 65 80 i 90 90 E 3 87 3 86 8 98 8 100 7 98 94 90 Figure 8 7 Logging section Identifies the source of the logged data Session Study Identifies the logging interval Nois epre Series Logged values for enabled dosimeters and measurements 053 379 Rev D Application topics Adding and subtracting levels You can use NoisePro and a simple graphical technique to remove background noise from a measurement With a slight variation in the same procedure you can mathematically combine the effects of isolated noise sources as if they were operating in an area at the same time For both purposes you must have two independent measurements under the same setup conditions This technique applies to steady state averaged or integrated measurements but not to transient measurements such as peaks maximums and minimums Background noise Background noise can cause considerable error in measurement when its level is high relative to the level of a noise source of interest If you can make measurements both with and without the contribution of a noise source of interest you can mathematically subtract the background noise from the combined measurement yielding the level of the noise source of interest alone The accuracy of this determination improves as the difference between the two measurements increases To remove background noi
25. No sep e series 053 379 Rev D ACCUFACY pb r4 ka RETE DERE EROR 63 ACGIH Alert Level 45 Dosimetersetups 33 Profile settings 34 Standards organization 1 Alert Levels explained 45 20 24 Date mode 21 Days of Week mode 23 Enable disable 24 Timed Run mode 22 Average sound level LAVG 76 A weighting defined 81 B Background noise removal 61 Backlighting setup 29 Basic Descriptors 30 Batteries LALCUME Lec e e E RERO 98 Lobat indicator 9 Replacement i i od e qp ye ERE wake 65 Battery 1c0ll 4s4 49914 EVE ES EE E Seda 9 Belt clip install 443 sszr eee n 67 Boom microphone Connecting he 8 C Calend f ERG HA MERE CES 20 Note Calibration Procedures 15 18 Troubleshooting 69 Calibrator RE 15 Clock SetUp ii sepe ich ior 25 Close Session a acte ua ga a AERA Ed 14 Closed Session icon 13 053 379 Rev D Code recovery 49 Note 49 Note Combining levels adding 62 Comm display 52 Communi
26. based on the results for all studies in the session For example the start and stop times of a session are determined by the first and last studies in the session The dose for a session is the accumulation of the dose results for all studies in the session The maximum sound level for the session is the highest value of all the maximum sound levels obtained during the studies in the session measurements obtained for a study have their counterparts in session results Logging In addition to making overall measurements the NoisePro DL and DLX models save results periodically in a process known as data logging Logged results are for a particular logging interval and don t depend upon other logged values or overall values for the study The DL logs measurements automatically and needs no setup For the DLX models you can control what gets logged and the logging interval and you can vary logging conditions in different sessions Area monitoring With its standard shoulder mounted microphone and dosimetry interpretations Interpreted summaries on page 44 NoisePro is optimized to make dosimetry measurements It can also perform area monitoring whether accumulating dosimetry information or not Using NoisePro for area monitoring is equivalent to putting it to work as a sound level meter Sound level meters require a different type of microphone attachment While a shoulder mounted microphone 15 best when monitoring for personal noise ex
27. e 9 Lock Locked Run display 48 Sonkey iua dots o doble deb d os pad 47 Logging Ceiling settltig 34 pa a acide aces 26 Interval ute ER aon adito 26 Introduction 2 02 0c ee eee eee 2 R pOtt csc i d ord 60 menu 26 M Max Level defined 77 Microphone Class 1 response 87 Class 2 boom response 92 Class 2 cable response 90 Class 2 connection 8 Frequency response 87 Mounting 12 Position dosimetry 11 Position SLM measurements 12 Response Class 1 88 89 053 379 Rev D Response Class 2 90 93 Min Level Defined J7 MSHA Alert Leyel 55434 96b ES ERA REN 45 Dosimetersetups 33 Profile settings 34 Standards organization 1 N Noise 2466 06 24504 perth 63 Alert Level eed 45 Dosimeter setups 33 Profile settings 34 Standards organization 1 Threshold standards 80 ipbEPRRCATERPPQEEOIPDINEAELS 80 Overload Indicator re 43 Session Report 58 Study Reports 59 P Pause icon i do RE
28. sessions 5 Ifyou need to set other options in the display press to move the highlighting out of the session number field then proceed as indicated below gt Enabling disabling dosimeters 1 Press to highlight a dosimeter setup 2 Press e to toggle to Y or N Y for enable N for disable 053 379 Rev D Noisep o series 56 COMMUNICATIONS Anatomy of a NoisePro report that If your instrument allows logging pressing SELECT ALL enables logging iy NOTE You may find it faster to press SELECT ALL then disable dosimeters after too Enabling disabling logging 1 Press Mwy to highlight LOGGING 2 Press e to toggle to Y or N Y for enable N for disable W NOTE Pressing SELECT ALL enables logging and all dosimeters at once gt Changing character pacing In most cases character pacing isn t needed and when not applied is indicated by a dash next to CH PACE in the display You ll know that a change is needed if your printout lacks expected characters or some characters are incorrect suggesting that the transmission rate is too fast 1 Press Mwy to highlight CH PACE 2 Press e to move the highlighting to the pacing setting 3 Press MW to change the setting A higher number means more time is allowed between characters increment the character pacing number by five and try again Experiment to find iy NOTE Try number 1 first If you still see dropped or incorrect characters the lo
29. size 0 335 inch 8 5 mm 059 344 Windscreen WS 7 for 0 52 inch 12 2 mm Class 1 microphone Package of 3 053 384 Windscreen WS 5 for 0 335 inch 8 5 mm Class 2 microphone Package of 10 053 379 Rev D NoisePve series 100 SPECIFICATIONS Optional accessories Optional accessories Adapter 053 810 Serial to USB adapter 053 857 Infrared serial adapter Calibrators 056 981 Calibrator QC 10 114 dB at 1000 Hz 056 982 Calibrator QC 20 selectable 94 dB or 114 dB at 250 Hz or 1000 Hz 056 990 Adapter For QC series calibrators and Class 1 microphone 1 inch O D 25 4 mm and 0 52 inch I D 12 2 mm 053 884 Adapter For QC series calibrators and Class 2 microphone 1 inch O D 25 4 mm and 0 335 inch I D 8 5 mm Tripods 59 045 tripod height range 18 5 inch 48 9 inch 59 046 tripod height range 14 6 inch 43 5 inch Other 053 885 Boom microphone For use with Class 2 models not DLX 1 Includes the same microphone mounted on a rigid boom that attaches to the instrument s LEMO connector 053 862 Belt clip Contains a vibrating motor 056 830 Clips Clothing clips to attach microphone cable Kit of 5 No sep e series 053 379 Rev D APPENDIX Block diagram MIC CONNECTOR ANALOGUE BOARD o 3 mn 8523244 A NUN PEAK RESET DIGITAL BOARD KEYPAD Figure E 1 NoisePro block diagram 053 379 Rev D Noisep o series 102 BLOCK DIAGRA
30. E RUN MODE in the display e Currently running a study NoisePro is showing the Locked Run display Enter the security code you provided one digit at a time If the code is correct the Security Control display appears with the word DISABLE below SECURE RUN MODE No sep e series 053 379 Rev D SECURITY SETTINGS 49 Secure Setup Mode W FORGOT THE CODE Enter the Recovery Code 9157 which always works Secure Setup Mode Use this feature to prevent changes to any NoisePro settings When enabled an operator can do anything with NoisePro except change its settings NOTE If you turn NoisePro off when Secure Setup Mode is enabled that security setting remains enabled gt enable Secure Setup Mode 1 Inthe Start display press the LOCK softkey The Security Control display appears Figure 7 1 2 Press to highlight SECURE SETUP MODE If the mode is disabled DISABLED appears below SECURE SETUP MODE 3 Press If disabled a row of zeros appears in place of DISABLED with the first zero highlighted 4 Press My to set the first digit then press e The highlighting moves to the next digit 5 Repeat step 4 for the three remaining digits When you press e for the fourth digit NoisePro enters Secure Setup Mode The row of digits 15 replaced by the word ENABLED Disable Secure Setup Mode Repeat steps 1 5 in the procedure given under Secure Setup Mode above If you entered the correct 4 digit code
31. L to quickly include all dosimeters and logging in the printout e Select logging as explained under Enabling disabling logging below Skip this ifthe selection is the one you want You may press SELECT ALL at any time to quickly include all dosimeters and logging in the printout e Change character pacing as explained under Changing character pacing below Skip if you find that your printer can keep up with the output or if it s currently set the way you want it You may press PRINT to generate the printout at any time To select a session This selection applies only to DLX models For other models the session number will always be 1 if you have session data in memory 1 Press to select it to cursor to SESSION 2 Press e The highlighting moves to the session number field 3 Press MWy to change the session number or press to jump directly to the highest numbered or lowest numbered sessions respectively The session setting affects the dosimeter information in the Print display as follows names may change to reflect the assignment of setups in the session e Ifa dosimeter shows DISABLED it will not be included in the printout and and cannot be changed from N 4 Ifall other settings are acceptable you can press PRINT to generate a printout After the printout you can change the session number and press PRINT with all settings the same except session number and so on for additional
32. M This page intentionally left blank No sep e series 053 379 Rev D APPENDIX Quest policies Service Congratulations You have purchased one of the finest instruments available manufactured by one of the most respected names in safety amp industrial hygiene instrumentation Your instrument is backed by a limited warranty that seeks complete customer satisfaction Should your instrument require service for any reason you can expect prompt and courteous attention You must obtain a return authorization prior to shipment We reserve the right to refuse any shipments forwarded without prior authorization The following information will expedite the service process and is required when obtaining return authorization Model and serial number of each instrument e Description of work required and symptoms of any failures for each instrument e Fornon warranty service only VISA MasterCard or American Express credit card or company purchase order number Billing and or return shipping addresses Use one of the methods below to obtain return authorization service pricing and shipping instructions International customers Contact your local factory authorized distributor from whom the product was purchased To obtain the name of the local factory authorized distributor contact us via e mail at service quest technologies com via telephone at 1 262 567 9157 or via fax at 1 262 567 4047 United States custome
33. NoiseD e series VA LLLILLLAALJZ 5 5 NR O 100 200 500 th 2 Sk tk W Owner s Manual QUES T 053 379 Rev D THE SYSTEM SOLUTION May 2005 ii Trademarks following are declared or registered trademarks of Quest Technologies Quest QuestSuite Professional NoisePro e Microsoft and Windows are registered trademarks of Microsoft Inc Approvals UL cUL MSHA Ex and ATEX intrinsic safety approvals Ex approval is in accordance with the ATEX Directive 0 MSHA LISTED Mine Safety and Health Administration Copyright Permission is granted to copy and distribute this manual provided that this Copyright Page 1s included This grant does not include permission to modify the manual s text or illustrations in any way This manual may not be translated without obtaining permission in advance Updates In the interests of continuous product improvements Quest Technologies reserves the right to make changes to product specifications without notice To understand the latest updates that have been implemented into this product and to download the most current version of this user manual visit our web site at www quest technologies com Copyright O 2003 2004 2005 Quest Technologies Inc No sep e series 053 379 Rev D iii WARNINGS CONCERNING SAFE OPERATION Take care when changing batteries gt gt gt WARNING To reduce the risk of explosion
34. REESE dU esas 13 Peak level defined TT Permissible Exposure Limit PEL Denied EET eR 78 Dosimeter setups 33 Personal monitoring mounting 12 Power On Off is daa Sora d boe db 9 Troubleshooting 69 Printing Hardware setup 51 Print display 54 Projected Time PRJ setup 25 Q Quest website 30 053 379 Rev D INDEX R Random Incidence Corrector Applying it 13 dor ERIS 7 USING 1C 12 Changing 37 Conflict resolution 38 Recovery Code Secure Run Mode 49 Note Secure Setup Mode 49 Note Reports Controlling contents 54 Header Section S7 Session section 58 Study section 59 Reset Clears res lts zer RR RERO 39 Note d eti dori 11 Response Conflict resolution 38 Data Results display 42 Definitions 78 Results Review previous 40 Summary display 44 View 39 RTIME See Run Time RUNACON 13 Run Time Data Results display 42 Defined 23 4 aud QD E dida E S Secure
35. Run Mode 47 48 After shutdown 47 Note Disable 48 Enable 47 Locked Run display 48 Recovery Code 49 Note Start study in 48 Noisep e series 107 108 INDEX Secure Setup Mode Disable 49 Recovery Code 49 Note Secure Setup Mode Shutdown 49 Note Serial n mbet 33 COE DRE ORE s 30 Session Closing DLX session 14 Introduced REED 2 rbd E eds 58 Run Time ba ERE REOR RES 4 Session counter increment 14 Setup dosimeter See Dosimeter setups Shuttle Introduction ss odupkspbpEeAERAs eid 51 Procedure 54 Slow Ceiling SCEIL 26 Slow response curve 78 Sound Exposure Level SEL Defined depu t E ES 79 Equation 2223940494 Cp E Cb ER ors 84 Sound Level Meter Microphone position 12 SPL measurement 44 Study R pOtt dE Edo dde 39 Secure Run Mode 48 Summary results 44 T Threshold defined 80 Time Weighted Average TWA Defined epos 80 Equations iz RR ORE HERE RR 84 Time
36. S Banner TIMED RUN 04 00 00 Time softkey Figure 4 4 Timed Run Setup display 4 The Timed Run Banner is highlighted If you see OFF below the banner enable the function by pressing the softkey again 5 Press e to highlight the first of three time fields HH MM SS 6 Press MWy to modify then press e to highlight the next field 7 Repeat steps 5 6 for the seconds field The highlighting will return to the Timed Run Banner at the top 8 Press e to escape the display NOTE You can only escape from the display when the Timed Run Banner is highlighted 9 activate this Auto Run setup see Enable disable Auto Run on page 24 Noisef e series 053 379 Rev D GENERAL SETUP 23 Auto Run Days of Week mode Set for regular daily studies For each of two setups you can select the days of the week on which you want to run one or two studies You can select any number of days any time of the day and run times up to 100 hours When you enable Auto Run after choosing the Days of Week mode NoisePro starts and stops studies according to your settings for as long as it can record or until you disable it gt set in Days of Week mode 1 Inthe Auto Run display cursor to highlight MODE Figure 4 2 2 Press once or twice until DAYS OF WEEK appears at the right 3 Press one of the Days Time softkeys The Days of Week Setup display appears Figure 4 5 Either 1 or 2 is highlight
37. Setup display 22 Days of Week Setup 1 23 Logging Setup display 26 DL and DLX Vibration Setup display 31 Working with dosimeter setups DLX displays shown 35 Source Selection 40 Res lts display vas XAR wer iee VEN 41 Summary display 44 Ale Levels ALI amp 2Y 4 244 Eae ex Fas 45 Security Control display 47 Locked R n display cerae nisen terr 48 Infrared cable connections 52 Comm display iaa qe REE RR i acci d o dex 33 DEX Prat display cess aa eR SO Ee RE XS PEE ES 54 Header 64 aua ES SR XXE E des 57 SESSION SECTION EE UP oe e End Rin deiade is 58 Study SECON yik ept Nekir ees 59 Logging SCCLON KORR eee eee ee 60 Background noise correction 62 Combining measurements chart 63 Battery replacem nt vanas cere ya rakar SERES SES 66 Belt clip 67 053 379 Re
38. T is showing replace the instrument s batteries before proceeding Replacing batteries on page 65 053 379 Rev D NoisepPve series 16 CALIBRATIONS Assemble Check the calibrator battery indicator If the LOBAT indicator is ON see the calibrator s user manual to replace the calibrator batteries before proceeding e Ifthe calibrator has a selectable frequency setting set it to 1000 Hz Assemble Refer to Figure 3 1 for either the cable mounted or boom mounted type 2 only microphone Type 1 and type 2 microphones require different adapters To prepare to calibrate 1 Turn the calibrator ON 2 Place the adaptor on the microphone 3 Orient for either the cable mounted or boom mounted microphone as illustrated in Figure 3 1 then press the adapter into the calibrator cc Adapter Cable Microphone Orientation Boom Microphone Orientation Figure3 1 Calibration orientations and assembly No sep e series 053 379 Rev D CALIBRATIONS 17 Calibration display Calibration display Use the Calibration display to view and save calibrations Figure 3 2 CAL CALIBRATE CALIBRATION HISTORY eer r PRE CAL 114 0 dB Pre calibration 28 2003 Post calibration POST CAL 113 8 dB 4 55 09 pm 31 MAR 2003 Figure3 2 Calibration display The Calibration display always shows the latest Pre and Post calibration results Times are reported according to either the 12 hou
39. TRU A ace deitas s n 20 25 Pri Timeen d 25 DOU NIA Ste A 26 Comm Set 450 eec coo atur publi 28 WAN SUSE see hee ee ee BAN oe re ee ae oe PRY 28 Display iis Bachan th FECE eine ce CR A AUREOS AINE he TUA ate 29 Vibrating belt CHP Pad neat oa dete 30 Chapter 5 Configuring 33 What is dosimeter setup 33 Presdetined Setups cios sete Fee ete oad pen Pact DLE dede 33 User defined 34 No sep e series 053 379 Rev D CONTENTS Dosimeter setup 1 34 Dosimeter Options 1 35 View Setupidisplay o oio S ceeds eS Dae We eda aho es 36 Parameter Settings 36 Changing range and weighting 5 37 Assigning a setup to a 37 Conflict 38 Chapter 6 Examining results 39 Selecting the SOUICEJ Pin babe ooo ects Dd ned 39 Viewing current results 39 Reviewing pr
40. ange the setting Press e to save the new value Uv dec Press the ON or OFF softkey to enable or disable the trigger The Status Indicator changes to reflect your choice 6 Forthe DL and DLX only If you want to set the second trigger repeat all steps above 7 Press e to escape the display 053 379 Rev D Noisep o series 31 32 GENERAL SETUP Vibrating belt clip This page intentionally left blank No sep e series 053 379 Rev D Configuring dosimeters What This chapter explains how to view and define the setup conditions under which the NoisePro dosimeters operate is a dosimeter setup The performance of a noise dosimeter is controlled by commonly recognized parameters that regulate how the dosimeter responds to time varying noise signals When reporting dosimetry results the settings of several critical parameters must be reported at the same time so that meaningful comparisons can be made The collection of settings to the parameters that control a dosimeter is known as the dosimeter setup NoisePro provides nine dosimeter setups and any of them can be assigned to any dosimeter Some of the setups have fixed settings that you cannot change others allow you to make changes that conform to your own requirements When you configure a dosimeter you assign one of these nine setups to it Pre defined setups 053 379 Rev D Six of the nine dosimeter setups are factory defined and fiv
41. at the rate of 4 35 dB per second If an instrument with a one second time constant responds to a tone burst the burst must last longer than 2 seconds for the measurement to reach a steady state value Figure A 1 2 0 1 0 2 0 5 1 2 5 10 Burst duration t seconds Figure A 1 Slow response to a tone burst No sep e series 053 379 Rev D GLOSSARY 79 Sound Exposure Level SEL Fast response NoisePro can also be set to measure using the Fast response The standardized time constant for the Fast response is 125 milliseconds When an instrument with a 125 ms time constant measures a signal that abruptly stops the measurement decays at the rate of 34 7 dB per second If an instrument with 125 ms time constant responds to a tone burst the burst must last longer than 500 ms for the measurement to reach a steady state value Figure A 2 2 0 E A 2 4 2 5 6 e4 Q 2m R 8 D e4 10 12 10 20 50 100 200 500 1000 Burst duration t seconds Figure A 2 Fast response to a tone burst Sound Exposure Level SEL The sound exposure level averages the sampled sound over a one second period Assuming the sampled run time to be greater than one second SEL is the equivalent one second noise that would be equal in energy to the noise that was sampled SEL is typically measured using a 3 dB Exchange Rate without a threshold SEL is not
42. atches your local time Time Date on page 25 This chapter explains the setup procedures that are available as menu options in the Setup display There are also setup procedures for individual dosimeters Chapter 4 Configuring dosimeters NOTE User defined settings may only be changed when a study is not running W Also you cannot enter any setup display when security setup is enabled unless you know the setup code Secure Setup Mode on page 49 Setup display The Setup display is an option on the Start menu gt To get to the Setup display 1 In the Start display press Ady to highlight Setup If not already in the Start display press e one or more times to get there You may need to complete an operation in your current display before using 2 Press e The Setup display appears Figure 4 1 SETUP M AUTO RUN LANGUAGE enu TIME DATE DISPLAY options PRJ TIME VIBRATION LOGGING COMM SET DOSE1 DOSE2 DOSE3 DOSE4 Figure 4 1 DLX model Setup display 053 379 Rev D NoisePve series 20 GENERAL SETUP Auto Run Auto Run In addition to running studies manually as explained under Running studies on page 13 you can operate in several Auto Run modes In the Date and Days of Week modes NoisePro is fully automatic After setting up and enabling one of these modes switch the power off position the microphone and then walk away When the run date and time arrives N
43. care when changing batteries iii Do not substitute components iii ACCOSSOFIGS eine Oe NEAN ERA ERN REY iii List of Figures xi Fast Tables uos Spo Rr si nisus Pa xii Chapter 1 1 Noise dOSIMEITY Mec ene Shee su PRE SEARED 1 Wide dynamic range 1 Standards PS taal Uto diea viter eio qua 1 N oisePro ceca pier oda eS CIF wea 1 About studies and sessions 2 Logg MG pata Coy east RA UE TS V du eat a d 2 Atea Monitoring Lc Coo nies Set 3 rz de eee OP S ev frm Vedi ies 2 Session time He ovo oda E Qe Ree e ct PEE Rd es 3 RU Des Ada cu cat 4 se the COVER ive ud suere d eese t Ro eda RR d Woe ad 4 NoisePro case and 6 Chapter 2 First time 7 Assembling dui reu esce dad ex xe Rr eg d eR eg 7 DEX oa aos gus 7 All other NoisePro 8 INGISEPEO Keys oca ris sete qe do o tete Cu e E M ortu AR 8 POWEHNE om ofisa eere SECUS putt tee Hees Maas 9 Verifying battery power a s oa ae hawk m edu Sew enis DR RI n 9 Establishi
44. categories and dosimeters Nois epre Series 053 379 Rev D EXAMINING RESULTS 43 Display characteristics e Press MW to step through measurements or groups of measurements according to the current single group toggle setting Press to step through the dosimeter setups Specific source The specific source for the results showing in the display depends upon which NoisePro model you re using whether you re viewing or reviewing and whether the subject 15 a study or session e Viewing the current study The word Study is shown followed by the 2 digit number of the study For example STUDY 03 for study 3 e Viewing the current session The word Session is shown e Reviewing a study The notation SS is shown followed by identification of the session and the study written as XX Y Y For example review of study 3 of session 2 would be shown as 02 03 For non DLX models the session number is always 01 e Reviewing a session DLX models The word Session is shown followed by the 2 digit number of the session For example SESSION 021 for session 2 Out of Range Indicators The Out of Range Indicators tell you when the input signal is above or below the linear operating range of the instrument e Oy appears The signal was too large and an overload occurred e Ug appears The signal was too small to be separated from instrument noise Noise Floor on page 63
45. cation troubleshooting 70 Compliance indicators 45 Conflicts resolution 38 COVEE pp pee buda dudas 4 Criterion Level defined 73 Criterion Time defined 73 Cut Off See Threshold C weighting defined 81 D Data Results display 41 Date 365 day limit 20 Note AutoRun 22 Setup display 25 Date mode Auto Run 21 Day Night sound level LDN ry Days of Week Auto Run 23 Decibel defined 13 Descriptors Basic defined T9 Data Results display 42 Defined 73 Display Menu 30 IEC ISO explained 75 Display backlighting 29 DL logging report 60 DLX models Closing a session 14 Logging report 60 DLX 1 Microphone assembly 7 Microphone response 87 88 Dose Noisephe series 106 INDEX Defined 44 aha btt eb OG RD CS 74 Equations 83 Dosimeter Data Results display 42 Disable vibration 30 Note Dosimeter setups Conflict resolution 38 Definition
46. cators are suggestive not conclusive You should use all available information including measurement conditions and numerical results as well as these interpretations to arrive at your own conclusions 053 379 Rev D Security settings You can restrict access to the run and setup controls by means of separate security codes and you can define your own codes Enable disable and choose the codes for the security system in the Security Control display Secure Run Mode Use this feature to prevent the termination of a study unless a 4 digit security code is entered correctly You can enable Secure Run Mode during a study or before you start it If enabled during a study NoisePro enters Secure Run Mode immediately If enabled before running a study you can do other things first Then when you press the Run Pause key NoisePro enters Secure Run Mode NOTE If you turn NoisePro off when Secure Run Mode is enabled that security setting remains enabled To enable Secure Run Mode 1 Inthe Start display press the LOCK softkey The Security Control display appears Figure 7 1 The current status of Secure Run Mode is given below the words SECURE RUN MODE in the display LOCK SECURE RUN MODE DISABLED SECURE SETUP MODE DISABLED a Figure 7 1 Security Control display 2 If SECURE RUN MODE is not highlighted press Ady to highlight it 3 Press If changing the status to ENABLE row of zer
47. cts Unlike the Max Level the peak is detected independently of the slow or fast response that the unit is set for Example The peak circuitry is very sensitive Test this by simply blowing across the microphone You will notice that the peak reading may be 120 dB or greater When taking a long term noise sample such as a typical 8 hour workday sample for Osha compliance the peak level is often very high Because brushing the microphone over a shirt collar or accidentally bumping it can cause such a high reading the user must be careful of placing too much emphasis on the reading 053 379 Rev D NoisePve series 78 GLOSSARY Permissible Exposure Limit PEL Permissible Exposure Limit PEL The A weighted sound level at which exposure for a Criterion Time typically eight hours accumulates 100 noise dose Response Relative Response dB Instruments that measure time varying signals are limited in how fast they can respond to changes in the input signal Sound dosimeters can operate with a wide variety of response times but the industry has chosen two particular response times to standardize measurements These are known as the Slow and Fast response times Slow response OSHA MSHA and ACGIH all require the Slow response for sound dosimetry The standardized time constant for the Slow response is one second When an instrument with a one second time constant measures a signal that abruptly stops the measurement decays
48. do not mix used batteries with unused batteries or mix batteries from different manufacturers WARNING To prevent ignition of flammable or combustible atmospheres no user serviceable parts inside Repair should be done by authorized service personnel only WARNING To reduce the risk of ignition of a flammable or explosive atmosphere batteries must be changed only in a location known to be non hazardous Do not substitute components gt WARNING To reduce the risk of ignition of a flammable or explosive atmosphere substitution of components may impair intrinsic safety ACCESSORIES The following parts are externally attached to the NoisePro instrument 053 867 Microphone assembly consisting of a Type 2 0 335 in 8 5 mm O D shoulder mounted microphone cable and LEMO connector 053 885 Optional boom microphone assembly consisting of a Type 2 0 335 in 8 5 mm O D microphone and rigid boom that mates with a LEMO connector 053 862 053 379 Rev D Optional belt clip assembly that contains a vibrating motor Noisepre Series iv WARNINGS This page intentionally left blank No sep e series 053 379 Rev D CONTENTS Table of Contents Trademarks cua quunt du ern Oe dai eU ue cw ii Approvals Deaf Leges pontem ii Y eR de MA eco ue mine ad Ue Bed A ii Hari MM ED ii Warnings Concerning Safe Operation iii Take
49. dosimeter is currently disabled Assigning a setup to a dosimeter on page 37 In the Logging Setup display cursor to highlight the option Press to toggle the setting to Y or N Press e to escape the display gt change a ceiling setting 1 Uu we os In the Logging Setup display cursor to highlight either SCEIL or FCEIL below the toggle options they are followed by threshold settings Press e to move the highlighting to the current ceiling setting Press to select a new setting Press e to change it Press e to escape the display To change the interval This setting determines the logging rate inverse of the interval 1 2 3 4 5 In the Logging Setup display cursor to highlight INTERVAL Press e to move the highlighting to the current interval setting Press Ay to select a new setting Press e to change it Press e to escape the display Impulse exceptions 053 379 Rev D If the time response is set to Impulse the impulse measurements take the place of FMAX and FMIN Also some of the other measurements in the display are unavailable and are shown as disabled D This may include disabled dosimeters as well Assigning a setup to a dosimeter on page 37 NoisepPve series 28 GENERAL SETUP Comm Set e The FMAX and FMIN descriptors are re named IMAX and IMIN e SMAX and SMIN are disabled and SCEIL are disabled Comm Set The Comm Set display allows you to ch
50. dy Study measurement results for one dosimeter including compliance results inrelation to Alert Level s Alert levels on page 45 Results for other 053 379 Rev D included dosimeters follow in turn Noisep o series 60 COMMUNICATIONS Anatomy of a NoisePro report Logging section If you are using a logging dosimeter DL and DLX models only and included logging in the Print display the Logging section follows the last Study section Some information may be missing from the Logging session If a dosimeter was disabled during the session no logging results are available for it Assigning a setup to a dosimeter on page 37 If a dosimeter was disabled in the Print display no logging results will be printed for it Printing on page 54 DLX only If logging for a dosimeter was disabled in the Logging Setup display no logging results are available for it Logging on page 26 DLX only If maximum minimum or peak results are disabled in the Logging Setup display they will be absent from the logging report Logging on page 26 Logging results are printed study by study in order An example of a portion of a Logging section for one study is shown in Figure 8 7 LOGGING Study 1 2 1 second Time History OSHA HC 21 00 00 21 100 10 Lavg 21 0 21 00 10 Slow Max 21 00 00 21 00 10 OSHA PEL 0 00 84 88 86 1 87 4 86 0 86 4 87 8 99 6 0 9 92 88 83 7
51. e of those six cannot be changed by a user These factory assignments conform to standards established for noise dosimetry in the United States and the European Union The five that are fixed comply with standards established by the Occupational Health and Safety Administration OSHA the Mine Safety and Health Administration MSHA and the American Conference of Governmental Industrial Hygienists ACGIH The sixth labeled 200310EC complies with minimum requirements under Directive 2003 10 EC of the European Union The settings to the 200310EC parameters can be changed to accommodate preferences for more stringent standards in member EU countries These six pre defined setups and their respective parametric settings are identified in Table 5 1 The tags HC and PEL refer to hearing conservation HC and Permissible Exposure Limit PEL levels that are defined in regulatory standards See Appendix Glossary for information about these standards and levels No sep e Series 34 CONFIGURING DOSIMETERS User defined setups Table 5 1 Parametric settings for pre defined setups Setup Response cce Threshold Apr OSHA HC Slow 5 dB 90 dB 8Hr 80 dB 115 dB OSHA PEL Slow 5 dB 90 dB 8Hr 90 dB 115 dB MSHA HC Slow 5 dB 90 dB 8Hr 80 dB 115 dB MSHA PEL Slow 5 dB 90 dB 8Hr 90 dB 115 dB ACGIH Slow 3 dB 85 dB 8Hr 80 dB 115 dB 200310EC Fast 3 dB 85 dB 8Hr Off 115 dB User defined setups N
52. e sound level never exceeded the 80 dB threshold during the one hour period then would not indicate any reading at all If 80 dB was exceeded for only a few seconds due to a telephone ringing near the instrument then only those seconds will contribute to the resulting in a level perhaps around 40 dB notably lower than the actual levels in the environment No sep e series 053 379 Rev D GLOSSARY 77 LDN LpN Representing the Day Night sound level this measurement 1s a 24 hour average sound level where 10 dB is added to all of the readings that occur between 10pm and 7am This 15 primarily used in community noise regulations where there 15 a 10 dB penalty for night time noise Typically Lpy s are measured using A weighting 3 dB Exchange Rate and no Threshold LEp a Daily personal noise exposure Lea The true equivalent sound level measured over the run time The term Lgo is functionally the same as except that it is only used when the Exchange Rate is set to 3 dB and the threshold is set to none Max Level The highest level sampled sound level during the instrument s run time allowing for the response that the unit is set for fast or slow Min Level The lowest level sampled sound level during the instrument s run time allowing for the response that the unit is set for fast or slow Peak Level Peak is the highest instantaneous sound level that the microphone dete
53. e you placed a 79 dB calibrator on the unit for a period of time Because all of the noise 15 below the threshold there would be no average you can think of it as an average of 0 dB If the calibrator were 80 dB instead then the average would be 80 dB On histogram printouts typically 1 minute or other specified increment averages are printed Because real noise fluctuates it is quite possible to have an average level below the threshold This also applies for the overall Time Weighted Average TWA The Time Weighted Average represents a constant sound level lasting eight hours that would result in the equivalent sound energy as the noise that was sampled TWA always averages the sampled sound over an 8 hour period This average starts at zero and grows It is less than the for a duration of less than eight hours exactly equal to the at eight hours and grows higher than Layg after eight hours No sep e series 053 379 Rev D GLOSSARY 81 Upper Limit UL Example Think of TWA as having a large 8 hour container that stores sound energy If you run a dosimeter for two hours your L yq is the average level for those two hours consider this a smaller 2 hour container filled with sound energy For TWA take the smaller 2 hour container and pour that energy into the larger 8 hour TWA container The TWA level will be lower Again TWA is always based on the 8 hour container When measuring using OSHA s guid
54. ePro s operation or need to have it serviced contact Quest Technologies as explained below Phone 262 567 9157 or 800 245 0779 e Fax 262 567 4047 e Internet www quest technologies com This contact information as well as your unit s serial number and other identifying information is given in NoisePro s Unit Info display view identifying information on page 30 NoisePve series 72 TECHNICAL SUPPORT Factory service This page intentionally left blank No sep e series 053 379 Rev D APPENDIX Glossary Basic Descriptors Descriptors are the terms used for measurements NoisePro provides two types of descriptor systems Basic and IEC ISO Basic descriptors are the most common measurement terms used for noise dosimetry in the United States For information about IEC ISO Descriptors including a table that identifies descriptor differences see EC ISO Descriptors below Criterion Level CL The Criterion Level is the maximum allowable exposure to accumulated noise It gives the conditions that result in a 10096 doses The Criterion Level is typically set by a regulating agency such as OSHA and is not usually applicable for community noise monitoring Examples OSHA mandates the Criterion Level maximum allowable accumulated noise exposure to be 90 dB for 8 hours For an 8 hour sample an average level Lavo of 90 dB will result in 100 dose For the OSHA HEARING CONSERVATION AMENDMENT the actio
55. easurement 5 83 Appendix C 87 Prequency TeSponse wnat baie RA d e ds 87 Class d microphone us vio ees os at etes aah aod Ae eee 87 Class 2 cable mounted microphone 90 Class 2 boom mounted 92 Appendix D Specifications 95 Standards cos vtt da wd ee ea tad uet dea 95 Iserantertaee costes 3 kil wur SAO SUR 95 Measurement 95 Measurement settings 95 Measurement 96 Calibr tions acu Saxe SR e ee ve fra ead 96 Logging DL and DLX models only 97 Comm nications oo v bor ue ouod e eite ata rA oes 97 Special functions preme praece Vb eque pus 97 Environmental factors 98 Electrical characteristics 98 Mechanical characteristics 2 24 duds Reece Shea ds dade Re 99 Approvals s Ako vee tens PR DU rea trio qt 99 Replacement Pants one aes adel nance 99 053 379 Rev D NoisePve series x CONTENTS Optional accessories sumo eco op reed 100 e
56. ed depending upon which softkey you pressed 4 If OFF appears opposite your choice press the same softkey again to enable that option setup auto run DOW Days SMTWTFS SR Es Start times HH MM 1 00 00 00 00 00 42 00 00 00 00 00 Run times HH MM SS Days Time softkeys 1 2 Figure 4 5 Days of Week Setup display 5 Press e to move the highlighting to the first time field hours 6 Press to modify then press e to highlight the next time field in sequence Figure 4 5 identifies the time fields according to hours HH minutes MM and seconds SS 7 Repeat step 6 for each time field in sequence until the highlighting moves to the other Days Time selection 1 or 2 8 Options at this point e Repeat If you want to change any of the time settings you just made press ANg to move back to the 1 or 2 time selection then press e and repeat steps 6 8 of this procedure 053 379 Rev D Noisep e series 24 GENERAL SETUP Auto Run e Another time If you want to program the second time press e and repeat steps 6 8 of this procedure If the second Days Time selection 1s disabled enable it by pressing the softkey for that selection e Quit Skip to step 13 below Select days Continue below 9 Ifthe highlighting is not on DAYS press to move it there 10 Press The highlighting moves to a day choice 11 Press Mwy to toggle the day then press to
57. elines TWA is the proper number to report if the full workshift was measured Example If the workshift is 6 5 hours long then measure for the entire 6 5 hours TWA is the correct level to report to OSHA It does not have to be modified Upper Limit UL This is a feature available on many of the Quest dosimeters The user can select a certain decibel level The dosimeter will then record the amount of time that the sound level was at or greater than the preset level This time is then recorded as UL TIME NOTE The Upper Limit is a measurement parameter Setting it does not affect the operating range of the instrument Weighting Input sound signals are generally scaled or weighted so that the instrument s frequency response follows characteristic curves There are three such standardized weighting curves in common use and all are implemented in NoisePro A weighting is said to best fit the frequency response of the human ear When a sound dosimeter is set to A weighting it responds to the frequency components of sound much like your ear responds Sound dosimeters sometimes use C weighting and Z weighting zero or no weighting to make measurements Curves showing the scaling over the range of human hearing are shown in Figure A 3 053 379 Rev D NoisePve series 82 GLOSSARY Weighting Relative Response dB 3 5 10 20 50 100 200 500 1k 2k 5k 10k 20k Frequency Hz Figure
58. ess e to escape the display Backlighting The power required to illuminate the display can be significantly greater than the power required for all other functions in the instrument The less power you use for illumination purposes the longer the replaceable batteries will last You can control backlighting with three options e Off No backlighting under any conditions e Backlighting only when a key is pressed e Auto Backlighting only when ambient lighting is low gt control backlighting 1 In the Display Menu press Mw to highlight BACKLIGHT 2 Press to toggle between the three options 3 Press e to escape the display 053 379 Rev D Noisefh e series 30 GENERAL SETUP Vibrating belt clip Measurement descriptors The Descriptors setting determines whether the Basic or IEC ISO descriptors are used to report measurement results For an explanation of these descriptors see Appendix A Glossary gt change Descriptors 1 Inthe Display Menu press to highlight DESCRIPTORS 2 Press e to toggle the setting 3 Press e to escape the display View NoisePro information This display contains information about the instrument and about Quest gt To view identifying information 1 In the Display Menu press to highlight UNIT INFO 2 Press e to view the information 3 Press e to escape the display Vibrating belt clip The optional vibrating belt clip can alert you wi
59. ession run time End 1 Ends Study 1 and begins a pause in the session The session run time clock stops Pause No data recording but sound level monitoring could still take place Start 2 Begins Study 2 The session run time clock resumes End 2 Ends Study 2 The session run time clock stops again Run Time The time period of a study is the study s run time The time period of a session is the sum of the run times of the individual studies in the session The session run time begins at the beginning of the first study and ends at the end of the last study in the session with pause times omitted Use the cover Remember to replace NoisePro s cover when you don t need to get at the controls It helps even when you re running an Auto Run study The cover guards against damage and prevents the unintentional operation of the instrument Noisep o series 053 379 Rev D 5 INTRODUCTION Use the cover This page intentionally left blank No sep e series 053 379 Rev D NoisePro case and controls Microphone Connector Infrared Port Standard Belt clip y QUEST TECHNOLOGIES START REVIEW SESSIONS VIEW CURRENT STUDY VIEW CURRENT SESSION CLOSE SESSION SETUP RESET CAL LOCK COMM Softkey functions Display dependent AN Up Down Selectors Softkeys Left Right Selectors e Enter e Escape 0 On Off Pll Start Stop NolseD e Series i studies 053 379 Rev D NoisepPve ser
60. evels where they give different indications Figure 6 4 Each compliance icon is tagged to show the purpose of that particular Alert Level For pre defined Alert Levels these tags are for hearing conservation HC permissible exposure limits PEL and dual hearing protection DHP See Appendix Glossary for information about these purposes For user defined Alert Levels the tags are exclamation points with no pre defined meaning Users attach their own interpretation to these indicators Table 6 1 identifies the Alert Level settings for all the dosimeter setups and how the real time compliance indicators provide interpretations in relation to those Alert Levels 053 379 Rev D Noisep o series 46 EXAMINING RESULTS Interpreted summaries Table 6 1 Setups Alert Levels and tagged compliance indicators PSetup AlertLevel1 Alertlevi2 gtereLevel am Alert Level OSHA HC 85 dB HC Not applicable HC HC OSHA PEL 90 dB PEL Not applicable PEL PEL MSHA HC 85 dB HC 105 dB HC O DHP O HC DHP MSHA PEL 90 dB PEL 105 dB PEL O DHP PEL DHP G ACGIH 85 dB PEL Not applicable PEL PEL 200310EC 80 dB 85 dB 6 USER 2 User defined User defined 6 USER 3 User defined User defined USER 4 User defined User defined Y Noisep e Series NOTE These compliance indi
61. evious results 40 Results lisplady etd gro d d ate dana 41 Display 15 42 SLM Mm as rem nts oua doy er een AE Y quii ds 44 Interpreted 44 Chapter 7 Security 47 Secure R n Mode ssk edt date eeu me awe RR 47 Disable Secure Run 48 Secure Setup Mode 22 oes dix ere se hs is re Rede eta 49 Disable Secure Setup 49 Chapter 8 Communications 51 Purposes 51 Using QuestSuite 1 51 Shutting results d ones di eset ate e ac EE E GS 5 Generating Suns d Des iba e Sp edes 51 Hardware setup 51 SoftWare a ee eae o ee eae oto i ep 53 Comm display us Laus Pen ded Ge ees pus 53 PUM CIS DIAW ocen manio Ve Soa ads dvo Shay BOE cp Se PAR 54 Anatomy of a NoisePro 56 Chapter 9 Application topics 61 Adding and subtracting 1
62. fies pre calibration and post calibration information as available Tabulates settings for each dosimeter included in the report 053 379 Rev D Noisep o series 58 COMMUNICATIONS Anatomy of NoisePro report Session section The Session section follows the Header An example of a Session section is shown in Figure 8 5 Session Started 1 Session Stopped Run Time Overload 31 JAN 2003 08 10 28 31 JAN 2003 17 8 05 15 NO OSHA PEL Peak Level 120 3dB 31 JAN 2003 08 10 28 Slow Max Level 104 1dB 31 JAN 2003 13 211205 Slow Min Level e 98 9dB 31 JAN 2003 15 12 55 UL Time 0 0 35 Lavg 105 8dB 155 0dB TWA 80 9dB TWA 8 105 8dB Dose 55 45 Dose 8 894 7 Compliance PEL Pass Compliance 8 PEL Fal USER 1 Peak Level 120 3dB 31 JAN 2003 08 10 29 Fast Max Level 104 1dB 31 JAN 2003 13 12 14 Fast Min Level 98 9dB 31 JAN 2003 14 36 07 UL Time 01536 Lavg 105 8dB 155 0dB TWA 90 8dB TWA 8 105 8dB 388 2 Dose 385 5 Dose 8 9999 Compliance Fail s 11 Fail Compliance baril se Fail Figure 8 5 Session section session start stop and run times Overload statement Yes appears below Overload if an overload occurred during any study in the session Session measurement results for one dosimeter including compliance results in relation to Alert Level s Alert levels on page 45 Results for other included dosimeters follow in turn
63. h the Class 1 microphone for response iy NOTE For these measurements the Random Incidence Corrector was not attached to characteristics that include the effects of this corrector 053 379 Rev D Noisefh e series 88 MICROPHONE Class 1 microphone of UII M AU oot ACUI TTT LE 4 3 Relative response dB 10 100 1000 10000 Frequency Hz Figure C 1 Class 1 free field 0 no windscreen cot LI oI soot TEE A woot ETT d o LLL A 10 100 1000 10000 Frequency Hz Relative response dB Figure 2 Class 1 free field 909 no windscreen Noisep o series 053 379 Rev D MICROPHONE 89 Class 1 microphone 2 0 0 0 2 0 4 0 6 0 8 0 Relative response dB 10 0 12 0 14 0 10 100 1000 10000 Frequency Hz Figure C 3 Class 1 random incidence no windscreen 2 0 2 0 4 0 6 0 8 0 Relative response dB 10 0 12 0 14 0 10 100 1000 10000 Frequency Hz Figure C 4 Class 1 random incidence windscreen 053 379 Rev D NoisepPve series 90 MICROPHONE Class 2 cable mounted microphone Class 2 cable mounted microphone Response curves for the Class Type 2 microphone and cable assembly Ques
64. hat appear on the keys of the NoisePro keypad for example o for the power On Off key See NoisePro case and controls on page 6 for the locations of these keys No sep e series 053 379 Rev D FIRST TIME USE 9 Powering on off Powering on off The key shown at the right has multiple uses including powering the instrument on powering it off and backing up through displays during instrument operation That key is shown at right Press to power NoisePro on To power it off press again and keep depressed during a countdown The e symbol is in reality for the same key but denotes the key s escape function backing up to a previous display that you use to move backward along a display path W NOTE You will not be able to power NoisePro off while a study is running Verifying battery power With the instrument on look in the lower right corner of the display for a symbol like the one shown at the right The dark bar in this icon shortens to the right as battery power decreases When battery power gets down to an estimated eight hours of run time the battery icon is replaced by the word LOBAT When LOBAT appears consider replacing the AA batteries to ensure enough power to complete your studies Replacing batteries on page 65 Establishing operating conditions NoisePro is shipped with default settings that enable you to get started right out of the box but you may want to changes some of the settings Display
65. he SPL Peak Max and Min descriptors Run time Run Time RTIME is given in hours minutes and seconds Run Time on page 4 You can determine whether a study is currently running by looking to see if RTIME is increasing or not Response Response setting for the selected dosimeter profile To change this setting see Parameter Settings display on page 36 Out of Range Indicators Normally nothing appears in this area If you see either or Ug there this means an out of range condition occurred See Out of Range Indicators on page 43 for an explanation Softkey functions Use these to select the descriptor category or to show an interpretive summary Interpreted summaries on page 44 What you see in the Data Results display depends upon a number of factors e Descriptor notation Descriptors can be shown according to your choice of notation Measurement descriptors on page 30 e M History The mode of presentation is saved between visits Each time you visit you return to the same presentation settings you had on your previous visit or a default presentation on your first visit Single Group toggle You can view smaller presentations of all measurements in a category at once or a larger presentation of one measurement at a time Press e to toggle between the single and grouped presentations Selecting with arrow keys Use the arrow keys to step through measurements measurement
66. ies First time use NoisePro 15 available in several models including one Class Type 1 model and several Class Type 2 models referenced later simply as Class 1 and Class 2 For an orientation to the case and controls features discussed in this chapter see NoisePro case and controls on the facing page Assembling If your instrument is a NoisePro DLX 1 you received a microphone cable assembly and separate microphone For all other instruments you received an integrated cable mounted microphone but you may be using the optional boom mounted microphone DLX 1 Your Class Type 1 microphone and an optional Random Incidence Corrector are provided in a separate container that also includes additional information and instructions For information about using the corrector see SLM measurements on page 12 W NOTE This microphone s grid cap is removable Do not remove it and do not touch the diaphragm underneath Class 1 microphone Position the microphone cartridge over the cable connector and screw to tighten In accordance with the Class 1 microphone s packaging instructions keep the microphone s center terminal from contacting first After attaching the microphone to the cable follow the instructions under Cable microphone on page 8 to connect the cable to the instrument Random Incidence Corrector 053 379 Rev D The purpose of this device is to improve the high frequency response of the Class
67. ith the data for later review and analysis Chapter 2 Calibrations Noisef e series 053 379 Rev D FIRST TIME USE 11 Preparing to measure Preparing to measure Reset session memory attach the windscreen and mount the microphone and case in accordance with your purposes Reset operation A Reset removes all data from session memory so make sure you no longer need that stored data before resetting You must be in the Start display to perform a Reset If in any other display complete whatever task you re doing in that display and press one or more times to get back to the Start display In the Start display press the RESET softkey and hold until told in the display that all studies have been cleared Attach the windscreen Use the NoisePro windscreen for all measurements A windscreen reduces errors due to wind turbulence and helps prevent microphone damage After calibrating push the windscreen over the tip of the microphone It stretches for a snug fit Microphone positioning You can use NoisePro for both dosimetry personal monitoring and sound level meter SLM measurements but microphone positioning should be different for these two conditions Dosimetry Clip the microphone to your shirt or collar Figure 2 1 as high on the shoulder as possible and away from the neck If the noise seems to come from one direction place it on the shoulder closest to the noise source During monitoring keep clothing from co
68. ity twist the screw clockwise to secure it Positive end Battery cover screw end contact Figure 10 1 Battery replacement No sep e series 053 379 Rev D MAINTENANCE 67 Exchanging belt clips Exchanging belt clips NoisePro comes with a standard clip that fits over a belt As an option you can replace the standard belt clip with a vibrating belt clip Figure 10 2 The vibration is triggered when measured noise exceeds one or more pre set levels Vibrating belt clip on page 30 You can exchange the standard and vibrating belt clips in the field with just a small Phillips screwdriver gt To install the vibrating belt clip The vibrator gets its power through an electrical connector located below the belt clip 1 Remove the two screws at the top of the standard belt clip 2 Pry off the power connector cap using your fingers 3 Plug the vibrating belt clip plug into the case connector then orient the connector so that the screw holes in the belt clip and the case line up 4 Reinstall and tighten the two screws Power connector cap Standard belt clip Vibrating belt clip 053 379 Rev D Figure 10 2 Belt clip assembly No lsep e series 68 MAINTENANCE Exchanging belt clips This page intentionally left blank No sep e series 053 379 Rev D Technical support 1 1 Troubleshooting Blank display e Unit lost power Replace batteries with fresh
69. lts press VIEW SESSION No sep e series 053 379 Rev D EXAMINING RESULTS 41 Results display gt To select the study Opposite the word STUDY in the display are two numbers The first number is the selected study The second number tells you how many studies are in the session Reset sets this value to zero Cursor to highlight STUDY DLX only Press e The highlighting moves to the selection field Press Ap to change the selected study then press e to return Press VIEW STUDY The Results display appears A m Results display Data is presented for viewing in the Data Results display Figure 6 2 Source Dosimeter profile 55 02 03 LEVEL Response m SPL 114 0 dBC Descriptors PEAK 132 0 dBA Uk a Out of Range p MAX 114 0 dBC 238 Indicators 8 L MIN 114 0 dBC Run Time RTIME 00 01 05 Softk LEVEL AVG DOSE SUMRY ao Figure 6 2 Results display 053 379 Rev D Noisep o series 42 EXAMINING RESULTS Display characteristics Display characteristics Source Identifies the source of the information on display Specific source on page 43 Dosimeter profile Name of the profile assigned to one of the active dosimeters which sets the conditions for these measurement results Descriptors Measurements made separated into level average and dose categories For example in Figure 6 2 the Level category contains t
70. ming into contact with the windscreen to avoid erroneous noise artifacts If you have the optional microphone clips use them to keep the cable from disturbing the microphone position Optional accessories on page 100 NOTE To use the DLX 1 model for dosimetry attach the Random Incidence Corrector furnished with the Class 1 microphone 053 379 Rev D NoisePve series 12 FIRST TIME USE Microphone positioning Figure 2 1 Shoulder mounted microphone Clip the instrument s belt clip over your belt If using the optional vibrating belt clip or need to go back to the standard belt clip see Exchanging belt clips on page 67 to install the appropriate belt clip for your purposes SLM measurements You should do your best to minimize sound reflections diffractions and absorptions caused by nearby objects including the operator free field condition Avoid placement near a wall or in a corner When doing free field monitoring do not use the Class 1 microphone s Random Incidence Corrector If reflections diffractions or absorptions from nearby objects are present use the corrector for random incidence monitoring Whenever possible attach the instrument to a tripod Quest offers two types of tripods as optional equipment 5 on page 100 Mount on the tripod by screwing the tripod mounting bolt to the 1 4 20 threaded fitting in the instrument s belt clip NoisePre series 053 379 Rev D FIRST TIME USE 13
71. mmunications Shuttle TR gt DLX id PRINT Figure 8 2 Comm display Communications with QuestSuite When transferring to QuestSuite NoisePro functions passively while QuestSuite fully manages the transfer If necessary press the softkey in accordance with QuestSuite procedures For the details see the QuestSuite user manual Shuttle communications A shuttle transfer is managed by the sending NoisePro unit During that transfer you will see a series of messages in the Comm display e communications you will see Listening for QuestSuite Pro Communications e Ifa transfer process is underway a progress report will appear consisting of a direction tag TX for transmitting or RX for receiving followed by the number of packets that will be transferred and the current packet number e Asuccessful transfer is signalled by a happy face that appears briefly before Listening for QuestSuite Pro Communications returns to the display Anunsuccessful transfer is signalled by a sad face that appears briefly before Listening for QuestSuite Pro Communications returns to the display 053 379 Rev D Noisep o series 54 COMMUNICATIONS Print display gt To shuttle between NoisePro units 1 Position the units so that their infrared windows face each other and are less than one meter apart 2 Verify that both units have the COMM display open 3 Press the SHUTTLE softkey on the sending
72. move to the next day If the letter is showing that day is enabled If a dash is showing the day is disabled 12 Repeat step 11 for all the days of the week 13 If done with the setup press e to escape the display W NOTE You can only escape the display when 1 2 or DAYS is highlighted 14 To activate this Auto Run setup see Enable disable Auto Run below Enable disable Auto Run Auto Run is disabled by default You must enable it to run studies according to the mode date and time settings you previously selected When you enable and power down the time and date when the instrument will turn itself on will be displayed NOTE If you set multiple auto runs make sure that you set the start time of each to occur no earlier than 2 minutes after the end of the previous auto run To enable disable Auto Run In the Auto Run Setup display cursor to highlight AUTO RUN Press e to toggle the setting to Enabled or Disabled Press e to escape the display me Ub P m Date or Days of Week mode only Switch off NoisePro power You must switch NoisePro off for these modes to operate Noisef e series 053 379 Rev D GENERAL SETUP 25 Time Date Time Date Select this display to change clock settings for example to change the hour to adapt to a time zone or daylight savings time difference In addition to setting the time and date you can specify whether your display reads in the 12 hour or 24 hour format gt
73. n level is 85 dB for 8 hours This would result in a 50 dose reading Note that the Criterion Level has not changed If the Criterion Level is changed to 85 dB then an 8 hour average of 85 dB would result in 100 dose Criterion Time The time over which the Criterion Level is established generally eight hours Decibel dB 053 379 Rev D Engineers frequently are faced with the need to compare things One way to do that is to form a ratio of their quantities For example a meter 15 100 times the size of a centimeter the ratio is dimensionless Engineers commonly determine differences in power using a special unit called a decibel The decibel is calculated as the logarithm ofthe power ratio Logarithms are used because they compress the range of very large ratios so that they re easier to display together Noisepre Series 74 GLOSSARY Dose Dose Related to the Criterion Level a dose reading of 100 is the maximum allowable exposure to accumulated noise For OSHA 10096 dose occurs for an average sound level of 90 dB over an 8 hour period or any equivalent exposure By using a TWA reading rather than the average sound level the time period is no longer explicitly needed A TWA of 90 dB is the equivalent of 10096 dose The dose will double halve every time the TWA increases decreases by the Exchange Rate Example OSHA uses an Exchange Rate of 5 dB Suppose the TWA 15 100 dB The dose would double for each 5 dB inc
74. ng operating conditions 9 053 379 Rev D NoisepPve series vi CONTENTS Displays and the 1 9 Selecting logging options DLX models only 10 Choosing dosimeter setups 10 Calibrating does Eee A Wa ee ae a ORE 10 Preparing to 11 Reset operatidh p pe en 11 Attach the windscreen 11 Microphone 11 Measuring noise 1 13 UNIS StdIes ater eed ono RMR Abad te ar aed 13 WICWING res lts xe ive emn eek dE 13 CIGSING SESSIONS E MURS 14 A few words about 14 Chapter 3 15 Fjeld calibrators a Suo onu SAEPE 15 Performing a field calibration 15 Preliminary 15 Assemble ese Ves ARR e RE e aces RU et Wek 16 Calibration 17 Chapter 4 1 19 Setup CIS PLAY ee gr piu encore a eoe sre d RISQUE RA A GR le 19 AU
75. oisePro has three additional setups that are labeled User 2 User 3 and User 4 You can change any of the settings in these setups and save the results User setups can be assigned to a dosimeter and used just like pre defined setups with one exception you cannot make an assignment that contains settings that are incompatible with those in use by another dosimeter When a conflict occurs you have several options to resolve it Conflict resolution on page 38 Dosimeter setup displays View change and perform other tasks with dosimeter setups in the cascading group of displays shown for the DLX in Figure 5 1 If you are not using the DLX some of the features will be absent Dosimeters The DOSE3 and DOSE4 softkey options are absent in other models Only the DLX has four dosimeters Setup display The LOGGING option in the Setup display is absent for the other models No sep e series 053 379 Rev D CONFIGURING DOSIMETERS 35 Dosimeter Options display SETUP Setup display AUTO RUN LANGUAGE TIME DATE DISPLAY PRJ TIME VIBRATION LOGGING view change setup parameters DOSE1 DOSE2 DOSE3 DOSE4 select the dosimeter select the setup and select View Set Parameters Dosimeter ysetup DOSEL Options display OSHA HC 200310EC OSHA PEL USER 2 MSHA HC USER 3 MSHA PEL USER 4 ACGIH DISABLE DOSE1 DOSE2 DOSE3 DOSE4 setup USER 2 USER 2 PARAMETERS
76. oisePro turns itself on runs the study then turns itself off again Timed Run is a semi automatic mode After setting up and enabling that mode start a study by pressing Pll When the preset run time arrives NoisePro stops the study automatically Choose an Auto Run mode in the Auto Run display Select AUTO RUN in the Setup display then press e The Auto Run display appears Figure 4 2 setup AUTO RUN MODE Days of week AUTO RUN Disabled VIEW SET PARAMETERS at xx Figure 4 2 Auto Run display Date mode For all models you can specify the start and run times for the date selected For a DLX you can select up to four dates NOTE The NoisePro Auto Run feature operates on a one year calendar In Auto Run Date mode you cannot select a date more than 364 days ahead No sep e series 053 379 Rev D GENERAL SETUP 21 Auto Run To set in Date mode 1 If MODE is not selected in the Auto Run display cursor to highlight it Figure 4 2 2 Press e once or twice until DATE appears on the right 3 Ifyou re using DLX model press any of the numbered Date Time softkeys For all other models press the softkey labeled 1 If the key label is preceded by a negative sign disabled press it again to enable that selection The Date Setup display appears with the Auto Run Banner highlighted Figure 4 3 setup auto run DATE Start time HH MM Auto run Banner AUTO RUN 1 Date 02 FEB 00
77. ompensates for changing noise levels and they felt that the 3 dB Exchange Rate should be changed to more closely match the response of the human ear OSHA currently uses a 5 dB Exchange Rate which would mean that the reported dose would double with every 5 dB increase in the time weighted average The Exchange Rate affects the integrated reading Dose TWA but does not affect the instantaneous sound level Hearing Conservation HC A sound level established as a standard by a consensus group or a regulatory agency to be used in a hearing conservation program The Occupational Safety and Health Administration OSHA and Mine Safety and Health Administration MSHA provide regulatory standards for hearing conservation programs In addition the American Conference of Governmental Industrial Hygienists ACGIH provide industrial standards for hearing conservation programs Hertz Hz Unit of vibration frequency numerically equal to cycles per second IEC ISO Descriptors Descriptors are the terms used for measurements NoisePro provides two types of descriptor systems Basic and IEC ISO The IEC ISO system is commonly used for noise dosimetry in the European Union Basic noise descriptors are strictly abbreviations for the measurements In the IEC ISO noise descriptor system shorter abbreviations are used but are augmented by codings that identify the settings for time and frequency parameters Table 1 lists Basic and corre
78. ones e ffresh batteries do not resolve the problem return the unit for service General calibration problems e Verify that calibrator LOBAT indicator isn t on LOBAT means that the calibrator battery must be replaced e Fora multiple frequency calibrator verify that the frequency is set to 1000 Hz e sure you can hear a tone from the calibrator e Ifyou cannot determine the reason for the problem contact Quest Technical Services for assistance Pre calibration value not saved See General calibration problems above e Repeat the calibration verifying that your adjusted setting in the Calibration display matches the posted output of the calibrator e Ifthe repeated attempt fails and you have another microphone for example a boom mounted microphone exchange the microphones and try again Post calibration discrepancy e See General calibration problems above e Ifyou have a different calibrator with the same output level use it to repeat the post calibration 053 379 Rev D NoisePve series 70 TECHNICAL SUPPORT Unit is erratic Unit is erratic e Verify the microphone if you have another one The microphone or preamp could be intermittent e Ifthe microphone seems okay return the unit for service Clock settings lost e Ifthe settings are lost while replacing the AA batteries the internal Lithium battery may be weak and need replacement Return the unit to the factory for se
79. oose between a wireless infrared or a cabled RS 232 USB interface for communication with external devices However because cabled communication is not supported at this time you should always have the communications interface set to infrared When entering this display INTERFACE is highlighted If NoisePro is set properly INFRARED is indicated in that line of the display If set incorrectly RS 232 USB is indicated and you should change it gt choose the Infrared interface 1 With INTERFACE highlighted press e so that INFRARED is indicated This key acts as a toggle between the two interfaces The indicated communication rate will be 115200 baud it cannot be changed 2 Press e to escape the display Language Use the Language display to choose from among five languages for display text An asterisk appears next to the selected language gt To change language 1 In the Language display press to cursor to your choice 2 Press e to make the change 3 Press e to escape the display Noisep o series 053 379 Rev D GENERAL SETUP 29 Display Display The Display Menu provides display control and information functions Contrast The contrast setting affects the intensity of the text in relation to the background Higher numbers mean more contrast gt change contrast 1 In the Display Menu press to highlight CONTRAST 2 Press to modify the value 3 Press e to make the change 4 Pr
80. os appears below SECURE RUN MODE and the first zero is highlighted 4 Press Avy to set the first digit then press The highlighting moves to the next digit 053 379 Rev D NoisePve series 48 SECURITY SETTINGS Disable Secure Run Mode 5 Repeat step 4 for the three remaining digits When you press e after setting the the fourth digit Secure Run Mode is enabled When Secure Run Mode is enabled The result of enabling Secure Run Mode depends upon whether you are running a study at that time or not Not currently running a study The word ENABLED appears below SECURE RUN MODE in the Security Control display You can do anything else you want with NoisePro until you press Pll to start a study Once you start a study the Locked Run display appears Figure 7 2 Currently running a study You had started a study before enabling Secure Run Mode As soon as you enable it the Locked Run display appears Figure 7 2 From then on every other function is locked out The only thing you can do 15 provide the security code to take NoisePro out of Secure Run Mode LOCK SECURE RUN MODE 0000 Nm Figure 7 2 Locked Run display Disable Secure Run Mode There are two ways to disable Secure Run Mode depending upon whether you re running a study at that time or not e Not currently running a study Repeat steps 1 3 in the procedure under Secure Run Mode on page 47 The word DISABLE should appear below SECUR
81. play appears Figure 3 3 The intended Calibration Assignment shows in the Navigation Line cal PRE CALIBRATION Calibration 11 4 O Assignment M dBA SPL ARROW to Adjust ENTER to Save Figure3 3 Calibration Save display 4 Press to adjust the value equal to the calibrator s labeled output level 5 Press A test progress bar appears At the end of the test either PASS or FAIL briefly appears above the bar then the Calibration display reappears e Pass The new calibration results are posted in the Pre calibration section of the Calibration display Fail The new calibration results not saved The previous Pre calibration results remain in the Calibration display For assistance when calibration fails see Troubleshooting on page 69 gt To save a Post calibration 1 Repeat steps 1 3 under To save a Pre calibration above 2 Skip step 4 You cannot adjust the Post calibration value 3 Press The Calibration display appears with the new calibration posted in the Post calibration area If there is a substantial discrepancy between the Pre calibration and Post calibration results see Troubleshooting on page 69 Noisef e series 053 379 Rev D General setup NoisePro comes ready for immediate use with default settings but you can change many settings to configure it for your individual purposes For example you should check the time to verify that it m
82. posure a rigid mounting 15 better for area monitoring For that reason Quest makes a boom No sep e series 053 379 Rev D INTRODUCTION Session time line mounted microphone as an optional attachment For information about installing the boom microphone see Assembling on page 7 You can perform area monitoring without recording data because sound levels are being measured even when no study is being performed SLM measurements on page 44 But you can also record the results if you wish using all the features of the NoisePro for dosimetry including running studies automatically and communicating the results to external devices Session time line 053 379 Rev D Figure 1 1 illustrates a recording period in which two studies are conducted and logging performed For a DLX this illustration represents the first of possibly multiple sessions recorded into memory because it is preceded by a Reset For the DL and DLX models the short dashed lines across the waveform indicate that logging 15 occurring 44 Session Study 2 Start 1 Start 2 Reset Time Figure 1 1 Session time line NoisePve series 3 4 INTRODUCTION Run Time Explanation of features Reset Clears memory If using a DLX model the session counter is reset to 1 Start 1 Opens the session and starts Study 1 This event marks the beginning of the s
83. r or the 24 hour clock convention according to your selection Time Date on page 25 If you re using a NoisePro or NoisePro DL the Pre calibration information applies to a calibration done with a cleared memory after a Reset For a DLX model you can also save a Pre calibration value between sessions The Post calibration information applies to a calibration done after any study in the session and is stored with the study that it follows When two or more calibrations are done after a study only the last one is saved When saving a Pre calibration value you may adjust it so that it agrees with the calibrator s output level A Post calibration value can only be saved as is you cannot adjust it The Post calibration value indicates whether there was any change in the instrument that affected its calibration during the study Saving a calibration A Pre calibration is saved only if the instrument passes a test of the calibration A Post calibration is saved automatically without being tested For both Pre and Post calibration measurements you should verify the results in the Calibration display gt To save a Pre calibration 1 Prepare the equipment Assemble on page 16 2 Press the CAL softkey in the Start display The Calibration display appears Figure 3 2 053 379 Rev D Noisep o series 18 CALIBRATIONS Calibration display 3 CALIBRATE is highlighted in the display Press e The Calibration Save dis
84. r printing and to interact with QuestSuite Professional You can also shuttle session data from any other NoisePro unit to a NoisePro DLX Special functions Security Independent password protection for run pause controls and setup e Auto Run Pre program to run automatically up to twice weekly up to four scheduled dates or end after a specified run time 053 379 Rev D NoisePve series 98 SPECIFICATIONS Environmental factors Environmental factors Operating temperature 14 F to 122 F 10 C to 50 C Storage temperature 13 F to 140 F 25 C to 60 C Humidity 0 to 95 non condensing Electromagnetic field effects Negligible below 50 Oersteds at 50 to 60 Hz Tested for RF succeptibility with lt 1dB error at field strengths to 10 V m over the frequency range of 10 MHz to 500 MHz Electrical characteristics Noisep o series Microphones e Class Type 1 DLX 1 only 0 52 in 12 2 mm free field e Class Type 2 all other models 0 335 in 8 5 mm random incidence Memory Data and settings stored in nonvolatile memory Detector True rms 63 dB pulse range Channels One rms channel and one peak channel Integration time With a 3 dB Exchange Rate and a signal level of 140 dB the integration time would be one year or longer Integration time is longer as the signal level decreases and the Exchange Rate increases Date and time Time resolved by seconds 12 hour or 24 hour clock
85. rease over the Criterion Level of 90 dB The resulting dose is therefore 400 If the TWA was instead equal to 80 dB then the dose would halve for each 5 dB below the Criterion Level The resulting dose would be 2595 When taking noise samples less that the full workday dose is an easy number to work with because it is linear with respect to time Example If a 0 5 hour sample results in 9 dose and the workday is 7 5 hours long then the dose for the full workday would be a 135 dose 7 5 0 5 x 9 This is computed making the assumption that the sampled noise will continue at the same levels for the full 7 5 hour workday Exceedence Levels An Exceedence Level is the level exceeded by the measured noise level for an identified fraction of time Exceedence Levels may be calculated for many time fractions Example An L4 equal to 73 dB would mean that for 40 of the run time the decibel level was higher than 73 dB Exchange Rate ER Also known as the Doubling Rate this figure refers to how the sound energy is averaged over time Using the decibel scale every time the sound energy doubles the measured level increases by 3 dB This is the 3 dB Exchange Rate that most of the world uses For every increase of 3 dB in the time weighted average the measured dose would double No sep e series 053 379 Rev D GLOSSARY 75 Hearing Conservation HC Some organizations such as OSHA in the U S have argued that the human ear self c
86. rements Find that difference on the x axis of Figure 9 2 Find the point on the curve directly above this difference Read the corresponding value on the y axis for that point the Amount to Add Add this value to the largest of the two measurements Example Independent measurements for the two noise sources yielded levels of 90 dB and 91 dB For a difference of 1 dB the correction factor taken from the curve Noisep o series 053 379 Rev D APPLICATION TOPICS 63 Noise Floor in Figure 9 2 is 2 5 dB Therefore the combined level when these two sound sources are present in the measurement area at the same time 93 5 dB Amount to Add dB Difference between measurements dB Figure 9 2 Combining measurements chart Noise Floor In a Perfectly Quiet room the electrical noise produced by the microphone is approximately 35 dB on A weighting and 45 dB on C weighting These levels are known as the Noise Floor of the instrument The Noise Floor can cause inaccurate measurements at low measurement levels Measurements must always be at least 5 dB above the Noise Floor to be valid Therefore the lowest valid measurements of the dosimeter are approximately e 40dB on A Weighting e 50 dB on C Weighting 053 379 Rev D Noisep o series 64 APPLICATION TOPICS Noise Floor This page intentionally left blank No sep e series 053 379 Rev D Maintenance 1 0 When replacing the main NoiseP
87. rent for different displays Noisef e series 053 379 Rev D Calibrations Noise measurements are only as good as the calibration of the measuring instrument To assure yourself that your NoisePro dosimeter is functioning within normal tolerance limits return it to the factory periodically for a factory recalibration Factory service on page 71 This chapter explains how you can verify measurement calibration as part of your normal operating procedures Field calibrator The Quest calibrator is a portable device emitting sound at a fixed frequency and sound level For some calibrators the signal frequency and sound level can be selected For all calibrators the indicated frequency and sound level is specified on the calibrator NOTE Calibrators can be affected by changes in altitude and barometric pressure and sometimes corrections are necessary See your calibrator s user manual Calibrate the calibrator The conformance of a field calibrator to its specifications should be periodically checked as well To have a Quest calibrator checked return it to a factory authorized service center Factory service on page 71 Performing a field calibration Preliminary steps e Stop the current study You cannot calibrate while a study is running e Ifthe windscreen is on the microphone remove it e The instrument must be ON with the microphone connected to it e Check the instrument battery indicator If LOBA
88. ro batteries make sure to use approved batteries and to heed battery replacement warnings given below user serviceable parts inside Repair should be done by authorized service f WARNING To prevent ignition of flammable or combustible atmospheres no personnel only Approved batteries Use only approved AA batteries from the following list Eveready E91 Energizer Max Eveready EN91 Energizer Industrial e GE Sanyo Power Cell WARNING To reduce the risk of explosion do not mix used batteries with unused batteries or mix batteries from different manufacturers Replacing batteries Replace the batteries when the word LOBAT appears in place of the battery icon Stored data and user settings are unaffected by battery replacement atmosphere batteries must be changed only in a location known to be non j WARNING To reduce the risk of ignition of a flammable or explosive hazardous 053 379 Rev D NoisePve series 66 MAINTENANCE Replacing batteries gt replace AA batteries See Figure 10 1 for an identification of the parts mentioned below 1 Remove the battery cover by twisting its screw 1 4 turn counter clockwise a small coin will work 2 Remove and dispose of both batteries 3 Insert two fresh AA batteries aligning them in opposite directions as shown in the illustration 4 Orient the battery cover so that the spring contact 15 at the bottom 5 While holding the cover over the cav
89. rs only 053 379 Rev D e Go to the service section of our web site at www quest technologies com e Contact us via e mail at service quest technologies com e Contact us at 800 245 0779 Office hours are 8 00 a m to 5 00 p m United States Central Time No lsep e series 104 QUEST POLICIES Warranty Warranty Quest Technologies warrants our instruments to be free from defects in materials and workmanship for one year under normal conditions of use and service For United States customers we will replace or repair our option defective instruments at no charge excluding batteries abuse misuse alterations physical damage or instruments previously repaired by other than Quest Technologies Microphones sensors printers and chart recorders may have shorter or longer warranty periods This warranty states our total obligation in place of any other warranties expressed or implied Our warranty does not include any liability or obligation directly resulting from any defective instrument or product or any associated damages injuries or property loss including loss of use or measurement data For warranty outside the United States a minimum of one year warranty applies subject to the same limitation and exceptions as above with service provided or arranged through the authorized Quest distributor or our Quest European Service Laboratory Foreign purchasers should contact the local Quest authorized sales agent for details
90. rvice See Factory service below Belt clip vibrator not working e Verify that at least one trigger is enabled See Vibrating belt clip on page 30 e Verify that DOSI is enabled For the DXL and triggering on verify that AVG1 is enabled for logging Logging on page 26 Belt clip vibrator won t turn off e sound level may be continuously exceeding a trigger threshold You can take action based on the significance of the trigger level disable the trigger or reset the trigger to a higher level Vibrating belt clip on page 30 Communications not working e sure that the communications interface is set to INFRARED Comm Set on page 28 Mic error Microphone was removed while a study is running The study is interrupted while NoisePro is paused Battery error PFR restore The battery was removed while a study is running NoisePro attempted a Power Fail Restore operation PFR to restore the previous run conditions No sep e series 053 379 Rev D TECHNICAL SUPPORT 71 Factory service Factory service 053 379 Rev D NoisePro and Quest field calibrator devices should be examined regularly by the factory Quest recommends annual service As part of factory service Quest checks the condition of your unit s internal battery This battery is needed to preserve clock settings when the cells are replaced It must be factory serviced If you have questions about Nois
91. s Stas eine are hee meros VP EI C S TES du 100 ciere Por AR deron Dee APA feed 100 Wis c MP ET 100 ONTIGE Nod a 100 Appendix E Block 101 Appendix F Quest policies 103 OLVIDO ns dno tale arlene yee echec Lang edn te e 103 International customets 103 United States customers 103 Seas ese Re 104 d CT 105 No sep e series 053 379 Rev D List of Figures gt gt gt Ww l2 WN RN i OQ tA I L4 d uw Jg tA va Qu DE EU EQ Cue qur UA D N Session UME Ne aai 3 Shoulder mounted microphone 12 Start display and 14 Calibration orientations and assembly 16 Calibration display 17 Calibration Save 1 18 DLX model Setup display 19 AditosRun display 4 4 634 4 eere ERA HONEC REDE 20 DLX Date Setup 21 Timed Run
92. s and the clock You may want to customize display characteristics and verify or change clock settings before running studies gt To work in Setup displays 1 In the Start display press until SETUP is highlighted 2 Press e The Setup display appears 053 379 Rev D Noisefh e series 10 FIRST TIME USE Selecting logging options DLX models only 3 Press to make your selection Select TIME DATE to set the clock e Select DISPLAY to control backlighting and pick descriptors 4 For details on working in these and other setup displays see Setup display on page 19 5 When finished changing settings in any Setup display press e to escape to the previous display more than once to keep backing up to previous displays Selecting logging options DLX models only In the DLX you can choose logging parameters such as what gets logged and at what rate See Logging on page 26 to learn about these procedures Choosing dosimeter setups All NoisePro models operate with multiple dosimeters at once and each dosimeter can be assigned a setup from among the nine setups available For information about these setups including how to view them change them and assign them to the dosimeters see Chapter 4 Configuring dosimeters Calibrating It s wise to calibrate both before and after each study The instrument will display pre calibration and post calibration information for your field review plus store it w
93. se 1 Obtain a measurement that includes the contribution of the noise source of interest the combined measurement 2 Make second measurement under exactly the same conditions as in Step but without the presence of the noise source of interest the background noise measurement 3 Determine the decibel difference between these two measurements 4 Find that difference on the x axis of Figure 9 1 5 Findthe point on the curve directly above this difference 6 Read the corresponding value on the y axis for that point the correction value 7 Subtract the correction value from the combined measurement Example Measurements with and without the noise source of interest are 91 dB and 90 dB respectively For a difference of 1 dB the background noise correction 053 379 Rev D NoisepPve series 62 APPLICATION TOPICS Combining noise sources value is 7 dB Therefore the level for the noise source of interest without the noisy background is 84 dB Background noise correction dB Difference between measurements dB Figure 9 1 Background noise correction chart Combining noise sources The procedure for mathematically determining a combined level of sound from independent measurements made for two noise sources 15 given below 1 mou o Make independent measurements for both noise sources where each exists without the presence of the other Determine the decibel difference between these two measu
94. simeters and view measurement results for each dosimeter 3 Press e to return to Start display 053 379 Rev D NoisePve series 14 FIRST TIME USE Closing sessions Closing sessions DLX models only You can segregate studies into separate sessions by closing the current session new session will open when you start the next study To close a session 1 In the Start display press My until CLOSE SESSION is highlighted 2 Press e The session closes immediately A few words about displays The NoisePro starts in the Start display which is shown below From there you can branch to other displays and in some cases to even more displays in a cascading fashion Session Closed Icon Navigation Line START Battery Icon M REVIEW STUDIES VIEW CURRENT STUDY Menu Options VIEW SESSION SETUP m RESET CAL LOCK COMM Softkey Functions Figure 2 2 Start display and softkeys Most displays contain Menu Options a Navigation Line at the top and Softkey Functions along the bottom Select a menu option with the keys The Navigation Line tells you what displays preceded the current display along a display path To get back from any display to the previous display in the cascade the general rule is to press e In some cases you re taken back automatically The Softkey Functions identify the purpose of the softkeys that are located directly below the display Softkey functions are generally diffe
95. solves the conflict by disabling the other dosimeter s Escape Press e to exit the conflict resolution display with no change You might consider changing setups if possible to remove the conflict Noisef e series 053 379 Rev D Examining results This chapter explains how to examine measurement results in the NoisePro display as they are obtained or when retrieved from session memory For information about examining results externally see Chapter 8 Communications Selecting the source You can view or review measurement results Viewing means to look at the most current measurements Reviewing means to look at measurements resulting from a completed study or in the case of a DLX resulting from a previous session Viewing current results In the Start display press dy to select either VIEW CURRENT STUDY or VIEW SESSION will be marked VIEW CURRENT SESSION if you are using a DLX then press e The Results display appears Current results means the most recent measurements by NoisePro If you re viewing while running a study the results are being acquired and displayed as you watch If you re viewing a study during a pause the final results from the last study performed are displayed category all results are cleared in the display after a Reset If you are using a iy NOTE Except for the sound level measurement first measurement in the Level DLX results are also cleared when a session is closed
96. sponding IEC ISO descriptors and explains the meanings of the codings in the IEC ISO descriptors 053 379 Rev D Noisep o series 76 GLOSSARY LAVG Table A 1 Basic and IEC ISO descriptors compared Basic IEC ISO Meanings of IEC ISO indicators SPL Les Sound pressure level measured with C weighting at slow response PEAK Lapk Peak sound pressure level with A weighting MAX Lcsmx Maximum sound pressure level with C weighting at slow response MIN Lcsmn Minimum sound pressure level with C weighting at slow response Lcsay Average sound pressure level with C weighting at slow response EXP Ecs Noise exposure measured in Pascal units squared multiplied by time Lave 15 the average sound level measured over the run time This becomes a bit confusing when thresholds are used Any sound below the threshold is not included in this average Remember that sound is measured in the logarithmic scale of decibels therefore the average can not be computed by simply adding the levels and dividing by the number of samples When averaging decibels short durations of high levels can significantly contribute to the average level Example Assume the threshold is set to 80 dB and the Exchange Rate is 5 dB the settings of OSHA s Hearing Conservation Amendment Consider taking a one hour noise measurement in an office where the A weighted sound level was typically between 50 dB and 70 dB If th
97. t To change the weighting You can independently set the weighting for the peak and rms channels 1 2 3 In the View Setup display press to cursor to VIEW SET WEIGHTING Press e The Weighting Change display appears Press AY to select either the peak or the rms channel You have two options for the peak channel and three options for the rms channel Press Press e one or more times to choose a setting Press e to return to the View Setup display Assigning a setup to a dosimeter You can assign a setup to a dosimeter independently of making changes to setups You may need to resolve one or more conflicts before making an assignment Conflict resolution on page 38 W 053 379 Rev D NOTE Setups may be assigned only during a closed session You can reset to close the session Reset operation on page 11 For DLX models you can also close a session in the Start display Closing sessions on page 14 Noisephve series 38 CONFIGURING DOSIMETERS Conflict resolution Conf To assign a setup This procedure assumes that you re making the assignment independently of changing the setup If you re making the assignment as part of changing the setup you wish to assign skip directly to step 3 below 1 Inthe Setup display press a softkey to select a dosimeter You can also select it in the Dosimeter Options display 2 Inthe Dosimeter Options display press to cursor to a setup option
98. t No 053 867 Testing was done with the microphone suspended on strings in a free field test facility 2 0 TTT 20 A LLL 8 Lu E coL Z sod 1 LL E 10 0 12 0 14 0 10 100 1000 10000 Frequency Hz Figure 5 Class 2 free field 0 no windscreen e 2 LLLI LLELUU LI Hub 10 100 1000 10000 Frequency Hz Figure C 6 Class 2 free field 90 no windscreen Noisep o series 053 379 Rev D MICROPHONE 91 Class 2 cable mounted microphone 2 0 0 0 2 0 4 0 6 0 8 0 Relative response dB 10 0 12 0 14 0 10 100 1000 10000 Frequency Hz Figure 7 Class 2 random incidence no windscreen Relative response dB 00 1000 10000 Frequency Hz Figure C 8 Class 2 random incidence windscreen 053 379 Rev D NoisePve series 92 MICROPHONE Class 2 boom mounted microphone Class 2 boom mounted microphone Response curves for the Class Type 2 microphone and boom assembly Quest No 053 885 Case reflections and diffractions are included in the measurements Relative response dB 10 100 1000 10000 Frequency Hz Figure C 9 Class 2 boom free field 09 no windscreen Relative response dB
99. th tactile feedback For information about installing the vibrating belt clip see Exchanging belt clips on page 67 For all NoisePro models the Time Weighted Average measurement of dosimeter 1 5 1 serves as the reference For the DLX the logged may also serve as separate reference When a measurement exceeds the reference threshold the belt clip 15 activated For the TWA reference the vibration lasts one second then turns off and stays off For the L yg reference the vibration alert lasts one second and may reactivate on each log interval NOTE Only dosimeter 1 is used for vibration triggering If you disable DOSEI y for any NoisePro model vibration triggering is unavailable Assigning a setup to a dosimeter on page 37 If you disable the logging of AVG1 for a DLX model vibration triggering on L is unavailable Logging on page 26 Noisephe series 053 379 Rev D GENERAL SETUP Vibrating belt clip Setting the trigger s The conditions for vibration triggering are established in the Vibration Setup display Figure 4 7 Msetup VIBRATION Threshold DOSE1 VIBRATION TRIGGER 90dB OFF 85 dB ON Status Indicators ON OFF Figure 4 7 DL and DLX Vibration Setup display gt change the vibration setup 1 For the DL and DLX only In the Vibration Setup display press MWy to highlight either TWA or Press e to enter the threshold value field Press to ch
100. unit 4 Watch the progress report to verify a successful transfer amp If not successful G repeat steps in this procedure as appropriate Print display Use the print display to set print options and generate printouts To open the Print display press PRINT in the Comm display The appearance of this display varies according to the features available in your model Figure 8 3 shows the display for DLX models that operate with four dosimeters and allows logging AcommWRINT 00 OSHA HC Y LOGGING Y OSHAPEL N SESSION 1 MSHA HC Y PACE USER 2 Y Enable all PRINT SELECT ALL dosimeters and logging Figure 8 3 DLX Print display Printing You can print from either an open or a closed session In the general procedure below you may find that you can skip some or most of the settings for the reasons given Before pressing PRINT verify the hardware setup Hardware setup on page 51 1 Selecta session Skip this if you re not using a DLX model or if the current session number shown is the one you want to print NOTE If you don t have session data in memory N A appears in the session number field and printing is impossible 2 Doany ofthe following in any order Noisef e series 053 379 Rev D COMMUNICATIONS 55 Print display e Select dosimeters as explained under Enabling disabling dosimeters below Skip this if the dosimeter selection is the one you want You can press SELECT AL
101. up option 2 Press e to complete the selection The View Setup display opens 3 Press Mw to cursor to VIEW SET PARAMETERS 4 Press e to complete the selection The Parameter Settings display opens gt To make changes in the Parameter Settings display You can make changes to the 200310EC setup or to any ofthe three User setups The changes are automatically saved to the selected setup as you go along Press to cursor to the parameter you want to change Press e The highlighting moves to the setting Press one or more times to select an option or change the value p g e ge de Press e to return to the View Setup display Noisef e series 053 379 Rev D CONFIGURING DOSIMETERS 37 Changing range and weighting settings Changing range and weighting settings Each setup has a range and weighting setting You can make changes to the 200310EC setup or to any of the three User setups The changes are automatically saved to the selected setup NOTE Range and weighting may be changed only during a closed session You can reset to close the session Reset operation on page 11 For DLX models you can also close a session in the Start display Closing sessions on page 14 change the range 1 2 3 4 In the View Setup display press to cursor to VIEW SET RANGE Press e The Range Change display appears Press e one or more times to choose a setting Press e to return to the View Setup display g
102. used by OSHA 053 379 Rev D Noisephe series 80 GLOSSARY Threshold Example Suppose you wanted to measure in a location next to railroad tracks which also happened to be in the takeoff path of an airport A train passes by taking 10 minutes with an average sound level of 82 dB A jet passes overhead taking 45 seconds with an average level of 96 dB Which of these events results in more sound energy Answer You can answer the question by comparing their SEL readings which compress each event into an equivalent one second occurrence The SEL for the train is 109 7 dB the SEL for the jet 112 5 dB Threshold Also known as the Cut Off the Threshold affects the TWA and Dose measurements All sound below the Threshold is considered nonexisting noise for the averaging and integrating functions The Threshold does not affect measurements in the sound level mode OSHA uses two different thresholds The original Occupational Noise Exposure Standard 1971 used a 90 dB threshold and called for engineering controls to reduce the noise levels if the eight hour TWA was greater than 90 dB The Hearing Conservation Amendment 1983 uses an 80 dB threshold and calls for a hearing conservation program to be put in place if the eight hour TWA exceeds 85 dB 50 dose The Hearing Conservation Amendment is the more stringent of the two rulings and is what most US industrial users are concerned with Example With an 80 dB threshold suppos
103. v D Noisephe series xii LISTS gt gt gt WN GOnoaaooamaeaoono eR rR COONAN t N IN l2 Slow response to a tone burst 78 Fast response to atone 79 NoisePro weighting 82 Class 1 free field 00 no windscreen 88 Class 1 free field 900 no windscreen 88 Class 1 random incidence no windscreen 89 Class 1 random incidence windscreen 89 Class 2 free field 00 no 90 Class 2 free field 900 no 90 Class 2 random incidence no windscreen 91 Class 2 random incidence windscreen 91 Class 2 boom free field 00 no windscreen 92 Class 2 boom free field 900 no windscreen 92 Class 2 boom random incidence no windscreen 93 Class 2 boom random incidence windscreen 93 NoisePro block diagram 101 List of Tables Denes Explanation of logging 26 Parametric settings for pre defined setups 34 Setups Alert Levels and tagged compliance indicators
104. west setting fastest rate that preserves all characters 4 Press e to move the highlighting back to CH PACE Anatomy of a NoisePro report NoisePro reports always include Header Session and Study sections but they may include a Logging section as well The information contained in the report depend upon the capabilities of your NoisePro model your settings for the session and your selections in the Print display Noisep o series 053 379 Rev D COMMUNICATIONS 57 Anatomy of NoisePro report Header The Header identifies the unit provides calibration information and identifies the setup parameters for each dosimeter in the report Space is provided for you to provide a name location and other comments about the session Figure 8 4 shows a typical Header Unit Version Number A o Session 1 Serial Number AAYMMXXXXAO Name Work Area Comments Pre Calibration Level e 114 0dB 31 Jan 2003 Q0 08 08 56 Post Calibration Level 114 0dB 31 Jan 2003 17 50 15 Measuring Parameters OSHA PEL USER 1 Weighting SPL A Pk Z SPL A Pk Z RANGE 70 140 dB 70 140 dB Time Constant SLOW FAST Exchange Rate 5 4dB Threshold O 90 0dB 90dB Criterion 90 0dB 90 0dB Upper Limit 115 0dB 110 0dB Figure 8 4 Header section Identifies the NoisePro unit by installed software and version number Except for DLX models which are multi session units the session number 15 always 1 Space for hand written entry Speci
105. y 1 second 10 seconds or 1 minute SC Sample Counts The number of samples occurring at the same decibel level TS Total Samples The total number of samples during the Run Time Prt Projection Time seconds 053 379 Rev D No sep e Series 85 86 MEASUREMENT EQUATIONS This page intentionally left blank No sep e series 053 379 Rev D APPENDIX Microphone The NoisePro DLX 1 model is shipped with Class Type 1 microphone commonly called Class 1 that you must assemble to its cable All other NoisePro units including the Class Type 2 DLX commonly called Class 2 are equipped with an integrated microphone cable assembly You can also obtain a boom microphone assembly from Quest that uses the same Class 2 microphone Frequency response This chapter contains frequency response curves for the Class 1 microphone the cable mounted Class 2 microphone and the boom mounted Class 2 microphone Results are given under free field conditions at microphone orientations of 0 and 90 with respect to the sound source Results are also given under random incidence conditions both with and without the appropriate microphone windscreen attached Class 1 microphone Response curves for the BK4936 Class Type 1 microphone Quest No 059 523 Testing was done using the standard cable Quest No 053 877 and with the microphone suspended on strings in a free field test facility the microphone See the information supplied wit
106. ze session results into a report format and communicate with a properly configured computer to print the report For that purpose your computer must be running a data capture application such as Microsoft HyperTerminal For information about HyperTerminal see the system support information supplied with Windows Hardware setup 053 379 Rev D An infrared cable part no 53 857 and standard with most kits links the 9 pin RS 232C serial COM port of your PC to the NoisePro unit s infrared communications port An optional Serial to USB Adapter part no 53 810 is also available to mate the 53 857 cable to the USB port of your computer instead of an RS 232C serial Noisepre Series 52 COMMUNICATIONS Hardware setup COM port Connect the infrared cable by either means to the computer as illustrated in Figure 8 1 Quest infrared cable Connecting directly to the serial port Connecting to the USB port using an adapter Figure 8 1 Infrared cable connections No sep e series 053 379 Rev D COMMUNICATIONS 53 Software operations Software operations Communications with QuestSuite and data shuttling between NoisePro units are managed in the Comm display Communications with a computer to generate NoisePro reports are managed in the Print display Comm display In the Start display press COMM to open the Comm display Figure 8 2 COMM Listening for QuestSuite Pro Co

NoisePro User Manual - TRS

Contents

Download Pdf Manuals

Related Search

Related Contents