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DUAL CHANNEL ACOUSTIC DOSIMETER

1. 2 19 4 3 4 POST MEASUREMENT CALIBRATION POST CALIBRATION cesses esse esse e neun 19 4 3 5 AUTOMATIC CALIBRATION AUTO ehem e se esse esse esse se eese neun 20 5 MEASUREMENT PARAMETERS SETTING MEASUREMENT 22 1 21 5 1 SELECTION OF MEASUREMENT PARAMETERS GENERAL SETTINGS 21 5 2 MEASURE TRIGGERING PARAMETERS SELECTION MEASURE TRIGGER cesse menm 23 5 3 SETTING PARAMETERS IN THE PROFILES son Eee idus 24 5 4 SETTING THE ALARM THRESHOLDS FOR DOSE METER FUNCTIONS nas 25 3 9 SETTING THE DATA LOGGING FUNCTIONALITY 1 1 1 1 1 enn enses sese nan 26 5 5 1 Setting the Logger Logger Setup eee eet ENG peer Pa IN ie 26 55 2 Results seiection Logger Results oe er Get etae sitet ee ee 28 5 5 3 Logger trigger parameters setup Logger 28 5 5 4 Event recording setup Event Recording essent ans sa anna aaa 30 5 5 5 Wave recording setup Wav
2. bre raus 10 3l BASIS OFTHE INSTRUMENTS CONTROL Feldes eb essc saei be e 10 3 2 12 3 3 INITIALS SETUP OP THETNSTR MENT355 o este seth 13 3 4 ICONS DESCRIPTION 13 3 5 MEMORY ORGANISATION ers E UMS 14 4 FUNCTIONS OF THE 16 4 1 SELECTING THE MODE OF THE INSTRUMENT URNA SA ERR 16 4 2 MEASUREMENT FUNCTIONS OF THE INSTRUMENT MEASUREMENT 4 16 4 3 INSTRUMENT S CALIBRATION CALIBRATION dan eae 16 JCABBRATION BY MEASUREMENT S E IR a A 17 4 3 2 HISTORY OF THE CALIBRATIONS LAST CALIBRATION cs cccescscvscevscavcevnscvsaccvscecescerscneceracavsacevaucevasensascvenacs 18 4 3 3 CALIBRATION INFORMATION IN THE TEDS 5
3. lt Enter gt presentation view the lt Esc gt push button enables the user to switch the views of the result presentation modes These push buttons enable the user in particular to e select the column in a matrix list e select the parameters value in an active position e g filter Z A or C Integration period 1s 25 35 e control the cursor in Spectrum Logger and Statistics modes of result presentation e select the measurement result to be displayed e g Leq Lmax Lmin etc in One Profile 3 Profiles and 2 Channels modes of result s presentation e select the position of the character in text edition screens e speed up the changing of numerical values of the parameters when pressed and held The 5 lt gt push buttons lt lt gt lt gt gt pressed together with lt Shift gt enable the user in particular to e select lines in a list e select the correct character from the list in the text editing mode e change the presentation mode of the results Pressing and hold the Shift push button initiates recording of a voice signal as a comment see Paragraph 9 3 Voice comments Pressing and hold the Shift and Enter push buttons at the same time blocks the keyboard 2 2 Input and output sockets of the instrument Top cover of the instrument The microphone inputs are placed on the instrument s top cover In the case of one channel operation the user should use l
4. Optional measurement functions 1 1 octave and 1 3 octave that broaden the application of the instrument can be easily installed These options can be initially supplied by the manufacturer or purchased later and added by the user The Dose Meter mode provides the user with the dosimeter functions meeting the IEC 61252 ANSI 51 25 1991 and IEC 61672 2002 standards for Class 2 accuracy The Sound Level Meter SLM mode provides the user with the SLM functions meeting the IEC 61672 2002 standard for Class 2 accuracy Notice It is not possible to change the measurement function during a measurement run In this case the instrument displays for about 3 seconds the message Measurement Progress In order to change the mode of the instrument the current measurement in progress must be finished 4 3 Instruments calibration Calibration SV 102 USER S MANUAL 17 The instrument is factory calibrated with the supplied microphones for the standard environmental conditions Because the microphone sensitivity is a function of the temperature ambient pressure and humidity when the absolute sound pressure level value is important the absolute calibration of the measurement channel should be performed In order to select the calibration function the user has to enter the Calibration sub list The Calibration list consists of four positions Left Channel Right Channel which are used to perform the actual calibration of the channels
5. gt or lt Y gt push buttons Entering position After the selection of the desired position in the menu list the user has to press the Enter push button in order to select and enter it After this operation a new sub menu option ist parameter list or information window appears on the display List of parameters The parameter list contains parameters for which the user may select the value from the available range The next press of the Enter push button enables the user to access the sub lists as mentioned above desired position in a list is accessed after pressing the lt gt or Y push buttons The change of the value a selected position is performed by the lt gt lt gt push buttons SV 102 USER S MANUAL 11 Option list The option list consists of different options from which only one may be selected The selection of the option is performed in the following way The user has to highlight the desired option by means of the lt gt lt gt push buttons and then press Enter This option becomes active and the list is closed When the user re enters this list again the last selected option will be marked Activation of options Some option or functions of the instrument are not supplied as a standard and are blocked To unbloke such functions the user should know the special code which is submitted to him separately During the first access to the blocke
6. Statistical Levels In the Statistical Levels window it is possible to define ten statistical levels named from N1 to N10 to be calculated displayed and saved in the files together with the Summary results The default statistical levels have the following settings 1 10 20 30 40 50 60 70 80 and 90 All values have to be within the integer range 1 99 Each one value can be set independently from the others 5 11 Programming the instrument s internal timer Timer The Timer enables the user to program the internal real time clock to act as a delayed start and stop timer The instrument can be switched on by itself at the pre selected programmed time and it can then perform the measurement which was used before it was last switched off Selecting the mode of the timer function The timer can be switched off Off switched on only once Single or switched on many times regularly Multiple times with the period between two consecutive measurements set in the Repetition line In the case the timer function is active Single or Multiple and the instrument is switched on the clock icon appears until the programmed measurements are finished Setting hour and day of the measurement s switch on The Start Hour determines the time for the measurement to start The required hour and minute can be selected in a special window which is opening by means of the lt lt gt lt gt push buttons The
7. Examples of LR15 and LR60 results in different display modes Logger and 3 Profiles
8. Post Calibration which enables the user to additional calibration after the measurement session is over and add the results to the saved file and Auto Calibration which enables the user to switch on the auto calibration function The Left Channel and Right Channel lists three positions By Measurement which allows to perform the calibration of the channels Last Calibration which contains the list of calibration measurements performed earlier and TEDS which allows to operate with microphones TEDS data serial number manufacturer name calibration factor etc perform contains gt bbb 4 3 1 Calibration by measurement can be done in the following way 1 Select the calibration By Measurement from the Calibration list and press lt Enter gt 2 Attach the acoustic calibrator SV 30A or equivalent 114dB 1000 Hz carefully over lt ENT gt lt ENT gt Notice The calibration factor is always added to the results in the Dose Meter SLM 1 1 Octave 1 3 Octave and Running LEQ modes Notice It is advised to perform the calibration of the instrument each time before the measurements begin A single calibration at the start of each day is usually sufficient for most regulations Notice It is not possible to calibrate the instrument during the execution of live measurements It is possible to open different lists and sub lists but the positions in these lists are displayed greyed out inversely and so not acc
9. The working catalogue name is not displayed on the screen but the working catalogue is the first catalogue when the user opens the File Manager 7 1 2 Renaming file catalogue Rename SV 102 USER S MANUAL 47 To rename or catalogue the user should select the file catalogue and press the ENTER push button After opening the list of operations select the Rename position and press the ENTER push button again The window with the text editor function will appear Renane Delete Sh tHenu Key Insert Menu Key lt ENT gt 7 1 3 Information about file catalogue Info To get information about a file or catalogue the user should select the file catalogue and press the lt gt push button After opening the list of operations select the Info position and press the lt ENTER gt push button again The instrument then will display the information about selected file catalogue lt ENT gt 7 1 4 Deleting file catalogue Delete It is possible to delete a or catalogue from the file catalogue list In order to do this the user should select the file catalogue and press the ENTER push button After opening the list of operations select the Delete position and press the ENTER push button again The display will ask for confirmation of this action since it cannot be undone once a file catalogue has been deleted Delete lt ENT gt 7 1 5 Erasing of the external memory Erase Disk
10. Dose Meter function and enables the user to program the alarm thresholds for three profiles Threshold Profile 1 2 3 Alarm appears as a flashing od diode in the right upper corner of the instrument Pressing of any key stops alarm SV 102 USER S MANUAL he thresholds can be set for the next measurement functions of the Dose Meter in the ranges Dose 1 20096 D 8h 1 200925 PTC 1 1000 ULT 1 60s If the Off value is selected the alarm for the measurement function is swithed off 5 5 Setting the data logging functionality Logging The Logging list enables the user to program the logger functions the recording of the measurement history and program parameters of the event and wave recording The Logging list consists of four positions Logger Setup Logger Results Event Recording and Wave Recording 5 5 1 Setting the Logger Logger Setup The Logger Setup list enables the user to activate logger functionality set logger step edit the name of the logger file and swith on off the logging of summary results The Logger position switches on and off the functionality which enables the user to save selected results from three profiles of one or both channels with the selected logger step interval into a file stored on the SD memory card 26 Notice If Logger is Off files are not created and measurement results of the time history changes are not saved The Logger Splitting position e
11. It is possible to delete all files or catalogues from the external memory SD card In order to do this the user should select any catalogue and press the lt gt push button After opening the list of operations select the Erase Disk position and press the lt ENTER gt push button again The display will ask for confirmation of this action since it cannot be undone once a file catalogue has been erased SV 102 USER S MANUAL 48 Erase Disk lt ENT gt 7 2 Managing the setup files Setup Manager The Setup Manager enables the user to save a new setup file and to select those ones that will appear in the setup screen during start up save Setup of the instrument delete and display file information All Setup files are stored in the default catalogue SETUP on the SD disk The window with the list of available operations on the setup file is opening when pressing the Enter push button the marked Load Setup highlighted setup file SV 102 USER S MANUAL 49 8 SETTINGS OF THE INSTRUMENT PARAMETERS Instrument The Instrument list contains different sub lists and positions which are directly related to the settings of the hardware components of the instrument In order to open the Instrument list the user has to press the Menu push button select the Instrument position and press lt Enter gt lt ENT gt The Instrument list is used for setting the various parameters which are primarily ded
12. Off or can be programm based on absolute time Absolute or time from the measurement start Relative In both two cases two additional positions appear with time of pause start Begin and pause duration Duration Relative 04h00 00830 SV 102 USER S MANUAL 23 Day time limits selection The Day Time Limits enables the user to select the definition of the day and night required by the local standards These limits are used for the calculation of the Le function cf App D for the definition Two options are available 6H 18H and 7 19 Its value by default is set to 6H 18H The Leq Integration The Leq Integration defines the detector type for the calculations of the Leq Le LEPd Lxx and Sel functions Two options are available Exponential and Linear The formulae used for the Leq calculation are given in Appendix D Its value by default is set to Linear Exponential Linear lt gt Setting Linear is required for getting the true LEQ value of the measured signal When this option is selected the value of the Leq Le LEPd Lxx and Sel functions do not depend on the detector time constant Fast Slow or Imp the results are displayed without the indicator of the detectors selected in the profiles In this case the indicator Lin or L is displayed in the different modes of the result presentation Setting Exponential enables the user to fulfil the requirements of another standard for the time averag
13. Start Day determines the date of the measurement start timer can be programmed up to one month ahead and during the date setting the current state of the Real Clock is taken into account The required date can be selected in a special window which is opening after pressing the lt 4 gt lt gt push buttons Make sure to check that the real time clock settings are correct before beginning a delayed timer measurement Single 02 00 18 Jan Single 02 00 18 Jan Single 02 00 18 Jan 35 lt gt Multiple 02 00 18 Jan 00 2014 00 18 Jan 2014 In order to set hour and one has to select the position for changing with the lt 4 gt lt gt lt gt push buttons and then select the proper value by means of the lt gt lt gt push buttons pressed together SV 102 USER S MANUAL 36 with Shift and then to press the ENTER push button The bottom line reflects the time to wait for the measurement to start Selecting the period between two consecutive measurements The Repetition position is displayed when Multiple mode is selected and defines period between two consecutive measurements This parameter can be 02 00 programmed from 5 up to 28d 18 Feb id h n Notice The instruments Timer function can be used for multiple measurements at the programmed day and time with the selected repetition number The first switch on of the instrum
14. be selected in the Screen Set window path Menu Display Screen Set 3 3 Initial Setup of the instrument Switching the instrument on To switch the power on the user should press the Start Stop push button and hold it during 2 seconds The instrument goes the self test routine after switching on in this time the manufacturers logo and the name of the instrument is displayed and then it enters the two channel view mode Starting measurement To start the measurements the user has to press the lt Start Stop gt push button The results of the measurement are displayed in the last used result s display view mode As an example one profile mode is displayed One profile mode is always available for most Functions of the instrument The results of the measurements can also be presented in other display modes which can be switch on and off and adjusted to the user s needs Pausing measurement To pause the measurements the user has to press the Enter and Menu push buttons together The Pause screen wth information of the paused time 00 00 30 of the measurement is then displayed To continue the measurement the user has to press Enter Enter to Proceed Default Profile settings for Sound and Dose measurements Profile 1 2 Filter A Filter Peak C Detector Fast Criterion Level 80dB Threshold Level None Exchange Rate 3 ULT Threshold Level 115dB PTC Threshold Levelz115dB Profile 3 FilterzA Filt
15. display control and contains the following items Display Modes enables the user to select the mode of the measurement results presentation Display Scale enables the user to change the scale in the graphical modes of result s presentation Spectrum View enables the user to change the type of the spectrum and to activate the Max and or Min spectrum This position only becomes available in the 1 1 Octave and 1 3 Octave modes Measurement Results enables the user to select results to be displayed Logger Results enables the user to select and present the results stored in the logger s files Screen Setup enables the user to set the contrast and energy save function 6 1 Selection of the modes of measurement results presentation Disp Modes The Two Channel mode is always available in all measurement modes Other presentation modes can be switched on or off in the Display Modes sub list The mode of the results presentation is related to the selection of the instruments function Dose Meter SLM 1 1 Octave 1 3 Octave etc lt ENT gt For the Dose Meter or SLM functions the following possibilities of the measurement results presentation are available Profiles 2 Channels Statistics Logger Running SPL and File Info For 1 1 Octave and 1 3 Octave functions additional position Spectrum becomes available Notice The user may change one presentation mode to another one by pressing lt Esc gt push butto
16. is not possible to change the current function during a live measurements The instrument displays in this case for about 2 seconds the text Measurement Progress In order to change the current measurement function the measurement must be stopped Running LEQ Running LEQ is a special function of the SVAN102 instrument This function is very similiar to SLM functions The difference is that in Running LEQ there are two additional measurement results LR15 and LR60 LR15 and LR60 are calculated as LEQ during last 15 or 60 minuts of measurement Therefore these results are not displayed before predefined period accordingly 15 or 60 minuts of measurement For example if LR15 and LR60 are displayed with RTC 15 04 11 it means that LR15 was calculated as Leq for period from 14 49 12 to 15 04 11 and LR60 was calculated as Leq for period from 14 04 12 to 15 04 11 One second later RTC 15 04 12 it means that LR15 was calculated as Leq for period from 14 49 13 to 15 04 12 and LR60 was calculated as Leq for period from 14 04 13 to 15 04 12 Results LR15 and LR60 are calculated only for the 1st profile of each channel These results can be saved in a file as Summary Results with step defined in Integration Period path Menu Measurement General Settings or can be logged with the Logger Step path Menu Measurement Logging Logger Setup The minimal Logger Step for the Running LEQ mode is 1s
17. operatig hours of the instrument and can be achieved by means of reducing the brightness of the screen when possible ort Delay Ss There are two options for the power saver function screen may be switched off Screen off on idle and or dimmed SV 102 USER S MANUAL Dim screen on idle When either of these options is set after a delay set by the parameters Dim screen delay or Screen off delay from pressing any push button the screen is dimmed or switched off If it happened the first press of any push button will cause the screen to switch back on again 44 SV 102 USER S MANUAL 45 7 SAVING THE MEASUREMENT RESULTS File The File list contains the elements that enable the user to manage the data files that are saved in the external memory SD Card fitted behind the bottom cover of the instrument The File list contains the following items File Manager enables the user to manage the files saved on SD card Setup Manager enables the user to manage the Setup files Notice Positions in the File list are active only when the SD Card is inserted into the card slot behind the bottom cover of the instrument Instrument s files containing data e measurement results from Dose Meter SLM and Running LEG e measurement results from 1 1 Octave analysis e measurement results from 1 3 Octave analysis e logger results measurement time history e wave and event recording setups The detaile
18. saved in the logger before or after the fulfilment of the triggering condition can be calculated by multiplying the value set in the Pre or Post by the value set in the Logger Step path Menu Measurement Logging Logger Setup The result of the calculation is SV 102 USER S MANUAL presented in the same line at the right side of the display 5 5 4 Event recording setup Event Recording The Event Recording position enables the user to activate and set the parameters of event signal recording in the external memory SD Card This function normally is not included in the instrument but can be purchased separately as an option Definition of record triggering The Recording position if it is not Off defines the the recording mode Continuous Slope Continuous Slope Level Level Gradient External Integration Period or Trigger manually Left Definition of channel to be recorded The Record channels position enables the user to choose which signal from the left right or both channlels will be recorded as an event Left Right or Left and Right Definition of filter The Filter position enables the user to choose the broadband frequency filter during event recording A C or Z Sampling frequency of event recording The Sampling position enables the user to select the sampling frequency of event recording 12KHz 24KHz or 48KHz Signal gain The Signal Gain position enables the user to select
19. signal 1 Trigger Pulse Positive Active level selection of the digital output signal The Active Level position enables the user to select which level of the signal should be treated as Digital Out a valid one negative or positive logic Low or High Alarm Pulse 51 Analog Out Digital Out Trigger Pulse Positive Digital In External Trigger Slopet Digital Out Alarm Pulse Digital Out Trigger Pulse Hegative Digital Out Alarm Pulse High SV 102 USER S MANUAL 52 Source signal selection for the alarm pulse generation The Source position enables the user to select the Alarm Pulse Alarm Pulse measurement result which level should be checked If the measured result level is greater than selected High High alarm level the instrument will generate alarm signal on the socket The measurement results from the first profile Peak 1 6 1 1 or Leq 1 can be used for the purpose described above Selection of signal polarisation for the Digital In mode External Trigger In the case of Digital In selection the signal appearing on the socket of the right channel will be treated as the external trigger if External is chosen as a Digital In trigger path Menu Measurement Measure Trigger Trigger External For the Digital In mode only the External Trigger value for the Function External Trigger parameter is available It is possible to set up
20. the case when Slope is selected in each second the triggering condition is checked The measurement starts only when the Trigger Source passes the Slopet level determined by Trigger Level in the direction of increase the Trigger Source In other cases the measurement start is skipped Leq Pd 1 In the case when is selected in each second the triggering condition is 100dB SV 102 USER S MANUAL 24 checked The measurement starts only when the Trigger Source passes the level determined by Trigger Level in the direction of decrease the Trigger Source In other cases the measurement start is skiped Level type trigger In the case when Level is selected in each second the triggering condition is checked The measurement starts when the Trigger Source has the level Levelt greater than determined by the selected decibel Trigger Level In other cases the measurement start is skipped Leq Pd 1 In the case when Level is selected in each second the triggering condition is 100dB checked The measurement starts when the Trigger Source has level lower than determined by Trigger Level In other cases the measurement start 15 skipped Gradient type trigger In the case when Gradient is selected in each second the triggering condition is checked The measurement starts when the Trigger Source has the level Gradientt greater than determined by Trigger Level and the gradient of the signal is greater than deter
21. the gain of the recorded signal in the range from 0 to 40dB Checking the triggering condition In the Trigger Period position it is possible to select the time interval for checking the triggering condition This parameter can be set as Logger Step 0 5ms 100 0ms and 1s This position is active when Recording is set to Slope Slope Level and Level 30 Trigger manually Left Trigger manually Left and Right Trigger manually Left and Right Left and Right 24 kHz 40 dB Logger Step SV 102 USER S MANUAL 31 Trigger source selection This position is active when Recording is set to Slope Slope Level and Level and Gradient In one channel mode only one measured result can be used as a source of the Logger Step triggering signal namely the output signal from the Leq detector coming from the first profile of the left channel which is denoted here as Leq P1 L This LeqiPi L position does not become active and the text stated here remains unchanged In two channel mode it is possible to choose the Leq from left Leq P1 L right Leq P1 R or from both channels Leq P1 L Leq P1 R Logger Step Logger Step Leq Pi Leq Pi L LeqiPi Level of the triggering signal The level of the triggering signal for recording Trigger Level can be set ina range from 24 dB to 136 dB with 1 step 40 dB This position is active when Recording is set to Slope Slo
22. using the instrument the user only has to plug in the microphones already screwed on and to switch the power on The user has to press the Enter push button and hold it for at least 5 seconds in order to switch the power 3 1 Basis of the instrument s control The instrument is controlled by means of four push buttons on the keypad Using these push buttons one can access all available functions and change the value of all available parameters The functions are placed in a system of lists and sub lists shown on the high contrast graphic colour display The instrument s menu consists of different type of windows which include main menu list sub menu list option list parameter list text editor window information window and file manager window with file command list Main menu The main list contains the headers of seven lists which also contain sub lists or positions elements The main list is opened after pressing the Menu lt lt gt and lt gt gt pressed together push button This list contains the following lists Function Measurement Display File Instrument and Auxiliary Setup Recent Items list The double pressing the Menu push button opens the list of recently accessed menu items This enables the user to access the most frequently used lists quickly without the necessity of passing through the whole menu path Position selection The desired position in menu list is selected using the
23. B The absolute range values changes due to the calibration factor lt gt The detailed description of the measurement ranges parameters is given in App C Left Channel Right Channel 45 098 138 0dB 77 0dB 141 09 45 0dB 138 0dB 77 098 444 0dB lt gt 5 7 Deactivation of the microphone compensation filter Compensation Filter The Compensation Filter position enables the user to swith on off the compensation filter of the microphone The compensation of microphone internal noise is factory switched on however it is possible to switch the microphone compensation filter for electrical measurements e g for laboratory calibration measurements 5 8 Exposure time setting Exposure Time The Exposure Time enables the user to set the desired value of the workday exposure time that is used for the calculation of LEPd cf App D for the definitions of the functions This sub list is available only in the Dose Meter function 5 9 Settings of the MIRE microphone MIRE The MIRE position enables the user to select the length of the probe Probes of the SV25S microphone The length of the probe can be 16mm 20mm and 25mm Left ch OFF The Compensation Filter positions inform the user about the state of compensation filters in Right ch DFF case when the instrument identifies the SV25S SV 102 USER S MANUAL microphone 5 10 Setting ten statistical levels
24. E Lpeak Lmax Lmin Leq LE Lden LEPd PSEL Ltm3 Ltm5 Ln LFF LDF Lc a and OVL Dosimeter Results TIME Lpeak Lmax Lmin SPL LEQ L DOSE D 8h PrDOSE LAV Leq LE SEL8 E E 8h LEPd PSEL Ltm3 Ltm5 Ln PTC PTP ULT TWA PrTWA LFF LDF Lc a and OVL 6 4 Selection of logger results for presentation Logger Results The Logger Results enables the user to choose the results saved in the logger file which should be presented for display on the logger screen The result is selected by using the lt gt lt Y gt or lt gt push buttons To mark the position the user should use the lt 4 gt push button 6 5 Setting the power saver Screen Setup The Screen Setup window enables the user to set the brightness of the display and to switch on the Screen saver and to set on the screen saver function Dim screen on idle or Screen off on idle Both functions can be switched off If is chosen the screen will stay bright all the time Setting the brightness of the display The Brightness position enables the user to set the proper brightness of the display by means of the lt gt push buttons The user can select 10 different values of this parameter The new value of the brightness level is confirmed after each press of the lt 4 gt or lt gt push buttons Setting the power saver function The saving of the internal source of the instruments power significantly increases the
25. ETTINGS AUXILIARY 5 53 9 1 SETTING THE LANGUAGE OF THE USER INTERFACE LANGUAGE 53 9 2 RETURN THE FACTORY SETTINGS FACTORY see 53 9 3 VOICECOMMENIS COMMENTS s a 53 9 4 MODE OF DISPLAYING OF LEQ amp LAV RESULTS LEQ 54 9 5 WARNINGS SELECTION WARNINGS esee sese ese esset 54 1 1 AND 1 3 OCTAVE ANALYSER 0 382 vo E Y eee 56 10 1 SELECTION OF 1 1 OCTAVE OR 1 3 OCTAVE ANALYSIS 56 10 2 SELECTION OF PARAMETERS OF 1 1 OCTAVE AND 1 3 OCTAVE ANALYSIS 56 10 2 1 SETTING THE PARAMETERS OF 1 1 OCTAVE AND 1 3 OCTAVE ANALYSIS SPECTRUM 56 10 2 2 SAVING OF 1 1 AND 1 3 OCTAVE ANALYSIS RESULTS IN THE LOGGER S FILE LO
26. GGER RESULTS 57 10 3 DISPLAY OPTIONS IN 1 1 OCTAVE AND 1 3 OCTAVE ANALYSIS nennen 57 10 4 PRESENTATION OF 1 1 OCTAVE AND 1 3 OCTAVE ANALYSIS 5175 hene 57 10 5 SETTING THE SCALE OF THE MEASUREMENT RESULTS PRESENTATION 1 eres re nne 58 10 6 SETTING THE PARAMETERS OF THE SPECTRUM PRESENTATION SPECTUM 59 41 RUNNING LEQ S 60 SV 102 USER S MANUAL D 1 INTRODUCTION The 5 102 is digital Class 2 dual channel dosimeter dedicated for occupational health and safety acoustic monitoring task The binaural dose measurements and the 1 1 amp 1 3 real time octave analysis are simultaneously performed Octave analysis provides direct data for the design of the ear protectors Together with audio events recording option these functionalities show the new reference standard on the acoustic dose measurement field now commonly available in compact size instrument Dosimeter is offered with one or two dedicated SV 25D ceramic microphones in housing It ensures the very easy calibration by direct usage of commonly available acoustic calibrators Moreover SV 25D smart sensor with built in TEDS Transducer Electronic Data Sheet offers automatic calibration function The very robust casing of SV 25D togethe
27. Lav are always displayed together If Mutually Excl is selected the rule is for Exchange Rate equat to 3 Leq is displayed and Lav not for Exchange Rate other than 3 Lav is displayed and not Leq 9 5 Warnings selection Warnings The Warnings enables the user to select the messages which may be displayed during the normal operation of the instrument If Logging disabled is active then there will be warning if the user tries to start a measurement run without logging being selected The user is given the choice to continue without the logging function being active or to stop and select logging from the menu list lt gt SV 102 USER S MANUAL If Power Off is active then in case the measurement is in progress an attempt to swith off the unit will result in displaying the message Measurement in progress The user can not then turn off the unit When the measurement is completed and the warning Power becomes active then if the user would turn off the unit he will be asked to confirm this If Changes is active then there will be warning if the user would make changes of some parameters but exit the parameter list with the Esc push button since changes are only saved by pressing the Enter push button when exiting a menu list DD SV 102 USER S MANUAL 56 10 1 1 AND 1 3 OCTAVE ANALYSER The instrument operates as real time 1 1 Octave or 1 3 Octave analyser in parallel w
28. OTH CHANNELS 2 5 39 6 1 4 LOGGER PRESENTATION saeua e esses sese e sse essa snos 40 D L5 STATISTICS PRESENTATION MODE 5 Na EE Era n iban com uiuere e bam A eed as 41 6 1 6 FILE INFORMATION PRESENTATION ey d aa you uno naso res deem a io Ria 41 6 1 7 IRUNSPEPRESENTATION TMODE pa timebo Pelagio 42 6 2 SETTING THE SCALE OF THE PRESENTATION AND THE DISPLAY S GRID DISP 42 SV 102 USER S MANUAL 4 6 3 SELECTION OF RESULTS FOR PRESENTATION MEASUREMENT 5 5 1 1 1 1 1 42 6 4 SELECTION OF LOGGER RESULTS FOR PRESENTATION LOGGER 5 1765 1 43 6 5 SETTING THE POWER SAVER SCREEN SETUP sos associates ea bases vette este aaa eee er eet la 43 7 SAVING THE MEASUREMENT RESULTS FILE 45 7 1 MANAGING THE FILES SAVED IN THE EXTERNAL MEMORY FILE 45 7 1 1 Sett
29. Polarisation as positive Slope or negative Slope Slopet Alarm level selection on the digital output of I O The Alarm Level enables the user to set the level of the result to be monitored during the measurements If the result is greater than the one set in this line the instrument will generate the alarm signal in the selected logic The available levels are within the range 30 0 dB 140 dB Leatt The Alarm Level current value can be decreased increased by 0 1 dB by 100 0dB means of the lt lt gt lt gt push buttons 8 4 Programming the instrument s internal Real Time Clock RTC The RTC enables the user to programme the internal Real Time Clock This clock is displayed in the top right hand position of the line of icons In order to set hours minutes or seconds the user has to enter its position pressing the lt lt gt gt push button and then select the correct value using the lt gt push buttons and then pressing the Enter push button to set the chosen value ENT If exiting the window with Esc the time setup is automatically saved 8 5 Checking specification of the instrument Unit Label The Unit Label enables the user to check the model number of the instrument its serial number the current software version installed in it and the appropriate standards which the instrument fulfils department or official representative in case of any problems f
30. SV 102 DUAL CHANNEL ACOUSTIC DOSIMETER USER MANUAL SVANTEK Sp Z SV 102 USER S MANUAL 2 WARSAW March 2014 SVANTEK A Notice This user manual presents the software revision named 1 04 1 cf the description of the Unit Label position of the Instrument list Newer software revisions higher numbers can slightly change the view of some displays presented in the text of the manual SV 102 USER S MANUAL 3 CONTENTS 1 P 5 1 1 SV 1024 AS DOSE METER J SELM 7 ANALYSER 5 1 2 ACCESSORIES INCLUDE Digi 6 1 3 AVAIEABEE ACCESSOR BS a cana 6 1 4 INSTRUMENT SOFTWARE OPTIONS AVAILABLE FIRMWARE 6 2 MANUAL CONTROL OF THE INSTRUMINLT 7 2 1 CONTROL PUSH BUTTONS ON THE FRONT sse esse esse enses sese nens 7 2 2 INPUT AND OUTPUT SOCKETS OF THE INSTRUMENT 5225550 xax naa naga gen ex V e 8 3 SETTING THE INSTRUMIENST 26 Versa es exu cab
31. Simple value is selected the instrument is blocking and unblocking by pressing Shift with Enter and holding them during sekonds After blocking the instrument the Keybord Locked screen appears with the running time of the measurement If the Unlock on Key value is selected the instrument is blocking by pressing Shift with Enter and holding them during sekonds but unblocking by pressing the sequence of four keys The unlocking code can be programmed with next four positions First Key Second Key Third Key and Fourth Key In every position the user may chose one of four arrow key Enter Key Right Key or Left Key the sequence of which creates unlocking code lt gt Direct Off Simple Simple Enter Key Right Key Unlock on Key Enter Key Right Key 8 3 Setting parameters of the I O port Multifunction I O 50 Direct DFF Simple nd Function Off Simple Direct On Simple Unlock on key Enter key Right key 00 00 36 Unlock on key Right Key Right Key SV 102 USER S MANUAL The Multifunction I O enables the user to select the available functionality of the I O port for each channel Left Channel and Right Channel Selection of the mode of I O port In the I O Mode it is possible to select the function of the instrument s 3 5 mm jack socket named as I O lt ENT gt The I O jack socket can be used as e the output of the analogue s
32. Start Stop pressed together with lt Enter gt enables the user to start the gt measurement process when the instrument is not measuring or to stop it when the instrument is in course of the measurement ENTER This push button enables the user to enter the selected position shown on the screen Menu list to confirm selected settings Some additional functions of this push button will be described in the following chapters of this manual Menu This push button and lt gt gt pressed together enables the user to enter the main list containing six sub lists Function Measurement Display File Instrument and Auxiliary Setup Each of the mentioned above sub lists consists of other sub lists elements and data windows These main sub lists will be described in detail in the following chapters of the manual Double pressing the Menu push button enters the list containing the last eight opened sub lists It often speeds up the control of the instrument as the user has faster access to the frequently used sub lists for easy navigation lt Esc gt This push button lt Shift gt pressed together with lt Enter gt closes the control lists sub lists or windows It acts in an opposite way to the lt Enter gt push button When the window is closed after pressing the lt Esc gt push button any changes just made are ignored In result SV 102 USER S MANUAL 8 i lt lt T gt lt Shift gt lt Shift gt
33. The gradient of the triggering signal for recording Trigger Gradient can be set a range from 1dB ms to 100dB ms Leq P1 This position is active when Recording is set to Gradient 10dB ms Recording before triggering condition When Pre Trigger position is switched on then the wave signal is recorded immediately before the triggering condition The range of such recording depends on the sample frequency and 10dB ms 10dB ms number of recorded channels For example with 12 kHz sample frequency and record of one channel the Pre Trigger can be set from the range 1s 30s If signals from both channels are recerded the range is 1s 30s This position is active when Recording is set to Slope Slope Level and Level and Gradient SV 102 USER S MANUAL 34 External and Integration Period Time of signal recording In the Recording Time position it is possible to select the time of signal recording after triggering starts If the next triggering condition appears then the 10dB ms signal will be recording for additional Recording Time The available values are from 1s to 8h or Inf This position is active when Recording is set to Slope is Slope Level Level Gradient External ils Integration Period 5 6 Measurement range setting Range The Range is used to view the measurement ranges for the channels of the instrument Left Channel 45 0d 138 0dB 144 0d
34. aced by the user during the Notice The contents of the Unit Label should be always sent to Svantek s service instrument s normal operation in the field SV 102 USER S MANUAL 53 9 AUXILIARY SETTINGS Auxiliary Setup The Auxiliary Setup list contains positions directly related with measurements and not related with the hardware components of the instrument In order to the Auxiliary Setup list the user has to press the Menu push button select the Auxiliary Setup text and press lt Enter gt ENT The Auxiliary Setup list is used for setting the various auxiliary parameters and contains the following items Language enables the user to select the language of the user interface Factory Set enables the user to return to the default factory settings Comments enables the user to define the file name for recording voice comments Leq amp Lav enables the user to select the mode of display the Leq and Lav results This position is available only in Dose Meter function Warnings enables the user to switch the warnings on or off that can be displayed during the normal operation of the instrument 9 1 Setting the language of the user interface Language The Language position enables the user to select the language of the user interface For activation of the Russian version of the user interface the special code has to be entered lt gt 9 2 Return to the factory settings Factory S
35. as the default the vertical axis corresponds to 80 dB after expansion it corresponds to 40 dB 20 dB 10 dB and 120 dB respectively SV 102 USER S MANUAL Switching the grid on off The Grid enables the user to switch on or off the grid in any graphical presentation Switching the automatic Y scale adjustment on off The Autoscale position switches the automatic adjustment of the Y axis scale The Spectrum View position appears when 1 1 Octave and 1 3 Octave functions selected in the Measurement Function window and enables the user to change the type of the spectrum Spectrum Type and to activate the presentation on the display of the Max and Min spectrum values for every displayed band In the Spectrum Type position the user may choose the following different spectrum type to be presented on the display in the graphical presentation modes Averaged Instantaneous Max Min and Peak The minimum and maximum spectra can be presented at the same plot as main spectrum when the Max or Min parameter is switched on Instantaneous Averaged Averaged 59 SV 102 USER S MANUAL 60 11 RUNNING LEQ In order to select the Running LEQ mode the user has to enter the Function list by pressing the Menu push button then select the Function text and press Enters Then the user has to open the Measur Function window and highlight the Running LEQ position and press lt Enter gt Notice It
36. ce of the triggering signal can be determined Trigger Source it s level can be selected Trigger Level the number of the results saved in the logger before the fulfilment of the triggering condition Pre Trigger and the number of the results saved in the logger after the fulfilment of the triggering condition Post Trigger Level Leq Pi 1 SV 102 USER S MANUAL 29 Trigger disabling The logger triggering of the measurements Trigger can be switched off using the lt lt gt push button The triggering is switched on if the Level or Level mode is selected using the lt gt push button Level type trigger If the triggering signal is greater than the selected in Level or less than Level the logger contains Level e the measurement results registered directly before the fulfilment of the LeqiP4 1 triggering condition time of the recording can be calculated by multiplying the value set in the Pre Trigger by the time period taken from the Logger Step path Menu Measurement Logging Logger Setup e all measurement results up to the moment the triggering signal falls down the Trigger Level e the results registered directly after the fulfilment of the triggering condition time of the recording can be calculated by multiplying the value set in the Post Trigger by the time period taken from the Logger Step path Menu Measurement Logging Logger Setup Trigger sou
37. d function the special window appears with the prompt to key in the unblocking code in the Enter Code position Delete Sh Key Insert Menu Key Ones function has been unblocked the window with Enter Code never ever appears If the parameter has a numerical value the user may speed up selection by pressing the lt lt gt lt gt push buttons for longer than 2 seconds In this case the parameter starts to change automatically until the user releases the pressed buttons Matrix of parameters When the list of parameters consists of more than one column the user may change column by means of lt gt line in the column by means of lt gt lt gt value in a selected position by means of lt gt value in a line if line is active by means of lt lt gt value in a column if the cursor is one of Profile positions by means of 4 lt gt value in a matrix if the cursor is one of Left or Right channel positions by means of lt gt Complex parameters 5 parameters like Start Hour Start Day etc are complex consisting of more than one value Single field The selection of values for such Jan 2014 parameters is performed in a special window 04 00 which is opened with the lt gt push button In the 04 Jan special window the value is selected with the lt gt lt 41 gt 01 lt 5 Y gt push buttons and then is confirmed by pres
38. d description of all types of file structures is given in the Appendix B Notice Because of limited internal memory capacity of the instrument data files can be saved on the external memory only So if there is SD Card in the instrument there is possibility to create any file In such cases the Logging position in the Measurement list is not active and not available Files are saved automatically the user should only define the file name in the position Logger Name path Menu Measurement Logging Logger Setup The elements of the file structure depend on the selected function Dose Meter SLM 1 1 Octave 1 3 Octave Running LEQ logging settings These elements are as follows the main results e the results of statistical analysis e data stored during the measurements in the logger s file e audio waveform recording theresults coming from 1 1 Octave analysis e the results coming from 1 3 Octave analysis 7 1 Managing the files saved in the external memory File Manager SV 102 USER S MANUAL File manager The File Manager is used for checking the contents of the memory and operation on files and catalogues such as rename delete display information and also create new catalogues All names of files created by the instrument are of upper case letters and have no extensions Catalogue names are of blue colour and file names are of green colour with additional icon The l
39. displays records from up to the ten last calibrations and enables to clear all stored calibration records Clear Cal History In order to review the calibration record the user has to select the required line the Last Calibration window and press lt gt lt gt The opened window will contain the type date and time of the performed calibration measurement and the obtained calibration factor 10 Jan 2014 13 15 11 0 00 dB SV 102 USER S MANUAL 19 The user can clear stored calibration records In order to do this the user has to choose the position Clear Cal History in the Calibration sub list and press Enter to perform this operation The instrument requests the confirmation of the operation After Clear Cal History operation has been performed the Last Calibration window contains only last calibration records 4 3 3 Calibration information in the TEDS memory TEDS The TEDS window displays information saved in the transducer s memory TEDS The TEDS Basic Data window displays the basic microphone data Model and Serial No The Current Calibration window displays current calibration information saved in the microphone memory calibration factor Cal Factor calibration date Cal Date period the calibration is valid Cal Period and the initials of the cpecialist who performed this calibration Cal Init The Factory Calibration window displays factory calibra
40. e Recording 31 5 6 MEASUREMENT RANGE SETTING sti A en Ops 34 5 7 DEACTIVATION OF THE MICROPHONE COMPENSATION FILTER COMPENSATION FILTER eee 34 5 8 EXPOSURE TIME SETTING EXPOSURE ea oa Gun va V RO a a a al 34 5 9 SETTINGS OF THE MIRE esae nena 34 5 10 SETTING TEN STATISTICAL LEVELS STATISTICAL LEVELS eene nnn nn hehe rata aou naa oan amano RE ERR PRSE ERRAT MANUS 35 5 11 PROGRAMMING THE INSTRUMENT S INTERNAL TIMER nennen nsns 35 5 12 DESCRIPTION OF AN EXEMPLE TIMER FUNCTION eene enne sss esse 36 6 DATA AVAILABLE ON THE DISPLAY DISPLAY ay Va sad 37 6 1 SELECTION OF THE MODES OF MEASUREMENT RESULTS PRESENTATION DISP MODES 37 6 1 1 ONE PROFILE PRESENTATION MODE 2 sse sens 37 6 1 2 3 PROFILE PRESENTATION MODE 3 PROFILE Gssieieto deco eee 38 6 1 3 PRESENTATION MODE FOR ALL PROFILES OF B
41. e entry of a special unlocks code is required for their activation SV 102 USER S MANUAL 7 2 MANUAL CONTROL OF THE INSTRUMENT Control of the instrument has been developed in a fully interactive manner The user can operate the instrument by selecting the appropriate position from the screen Menu list Thanks to that the number of the control push buttons of the instrument has been reduced to four for ease of use and convenience 21 Control push buttons on the front panel The following control push buttons are located on the front panel of the instrument Button Direct Pressed with If held function Shift moe m e oe Start Stop 2 5 102 Shift The second function of a push button written in red colour on a push button can be used when the Shift push button is pressed together with Esc Enter This push button can be used in two different ways e as Direct like in a computer keyboard e g while typing the filename both lt Shift gt and the second push button must be pressed simultaneously e as 2nd Function this push button can be pressed and released before pressing the second push button The operation of this push button can be set as Direct or 2nd Function in the Shift position of the Keyboard list path Menus Instrument Keyboard Notice The Enter push button held for at least 5 seconds switches the instrument on N and off lt Start Stop The
42. ed Leq measurements When this option is selected the value of the Leq Le LEPd Lxx and Sel function depends on the detector time constant The results are displayed with the indicator of the detectors selected in the profiles path Menu Measurement Profiles 5 2 Measure triggering parameters selection Measure Trigger The Measure Trigger sub list enables the user to set the triggering parameters This position appears only in the SLM function The Measure Trigger is a contexts sub list in which the triggering can be switched off or on Trigger in the case when on the source of the triggering signal can be determined Trigger Source its level Trigger Level and sometimes also the speed of changes Trigger Gradient The triggering is switched on if one of its six available modes is selected Slope Slope Level Level Gradient or External If the instrument works with the triggering switched on the appropriate icon appears on the display in the case when the triggering condition was not fulfilled The triggering condition is checked every 0 5 mili seconds External type trigger When External is selected the triggering is done by the signal on the I O socket In this case it is necessary to set up the I O Mode parameter in the right channel External as Digital In path Menus Instrument Multifunction Right Cahnnel In the other case the measurement result is skipped Slope type trigger In
43. ed value 39 B Eau pr 6 1 3 Presentation mode for all profiles of both channels 2 Channels In the 2 Channels mode any six measurement results selected in Display Results may be presented for tree profiles of both channel The screen is divided horizontaly in two parts with three lines in each Upper part reflects the left channel profiles and bottom part reflects the right channels profiles The user may select the profile line by the lt Y gt push buttons Field description of the 2 Channels view 1 Left channel profiles 10 Function name e for Dose Meter LAV L A C Z eq L A C Z E SEL8 E E 8h LEPd PSEL Ltm3 Ltm5 LN ULT TWA PrTWA OVL L A C Z peak L A C Z F S l max L A C Z F S l min L A C Z F S l DOSE D 8h PrDOSE e for SLM L A C Z eq L A C Z E Lden LEPd Ltm3 Ltm5 LN Lc a OVL L A C Z peak L A C Z F S l max L A C Z F S l min L A C Z F S I 2 Right channel profiles 3 name of the implemented filter A Z SV 102 USER S MANUAL 40 and detector time constant when the detector is exponential Imp I Fast F Slow S or Lin L when the detector is linear 4 The value of measured function for the selected profile 5 Units of measured value 6 1 4 Logger presentation mode In the Logger mode logger results as selected in the Logger Results list are displayed The user may switch results for readin
44. eft microphone input The user should plug Lemo connector until it clicks The full description of the signals connected to the sockets is given in the Appendix C Bottom cover of the instrument In the bottom cover there are two sockets USB and The clamping screw is between the two sockets The USB Device 1 1 interface is the serial interface working with 12 MHz clock Thanks to its speed it is widely used in all PCs SV 102 USER S MANUAL 9 The additional multi purpose input output socket called I O port is a RCA Jack socket The functionality of this socket is defined in Multifunction I O list path Menu Instrument Multifunction I O In case of Analog Out functionality the signal from the input of the analogue digital converter before the correction is available This signal can be registered using magnetic recorder or observed on the oscilloscope The Digital Out is used to generate the trigger pulse or alarm pulse from the instrument 9 D 5 79 t 5 lt lt gt z m PS fo 2 Z SSBID OAl 09Z19 EOE x 19jeuiisog 2nsnoov 201 AS ele c 5 Notice Switch the power off before connecting the instrument to any other device e g a printer or a Personal Computer or fitting the microphone capsule SV 102 USER S MANUAL 10 3 SETTING THE INSTRUMENT In order to perform measurements
45. ensity function of exceeding the noise level during the measurement period The X axis defines the probability of exceeding the noise level statistical level LN and the axis Y defines the calculated noise level in dB Field description of the Statistics view 1 Function name active profile LEQ detector Linear Fast Slow or Impulse used averaging filter name A C or Z Cursor position Statistics plot Value of the selected statistical level LN and units dB PON The user may change the cursor position by means of the lt f gt lt gt push buttons The Statistical level and appropriate value are presented in the line below the plot 6 1 6 File information presentation mode The File Info position switches on or off the additional file information during the measurement The File Info window indicates the file name and its size When Logger is Off path Menu Measurement Logging Logger Setup File Info position is inactive SV 102 USER S MANUAL 6 1 7 Run SPL presentation mode Presentation mode Running SPL is used when measurement is not actually running that is when the instrument is in standby mode before or after a measurement In this mode result is calculated and displayed but not stored in the instruments memory The purpose of this displayed information is to give the user a first indication of the signal about to be measured This can be useful for
46. ent must be within one month ahead 5 12 Description of an exemple timer function execution The Timer function is used to programme the instrument s switch on at the given time and perform the measurements with the parameters set in the Measurement sub list Single Let us assume that the user wants to switch on the instrument the 18 of January at 02 00 measure the sound for 10 seconds and save the results in a 02 00 named R1 18 Jan In order to do this the user has to set the parameters of the Timer function the measurement parameters path lt Menu gt Measurement General Settings name the file The instrument will start the measurement on the 18 of January at 02 00 If the instrument was switched off it will switch on 5 minute prior to Start Delay time to warm up the measurements will be performed for a period of ten seconds Then the results will be saved in the previously named file and finally the instrument will switch off If the instrument was not switched off it will start the measurement at the Start Delay time and after the measurement will stay switched on SV 102 USER S MANUAL 37 6 DATA AVAILABLE ON THE DISPLAY Display The Display list contains the elements that enable the user to independently programme the display parameters The content of the Display list depends on selected function ENT The Display list is used for setting the various parameters which are dedicated to the
47. er Peak Z Detector Fast Criterion Level 80dB Threshold Level None Exchange Rate 5 ULT Threshold Level 115dB PTC Threshold Level 115dB The user can change all the above mentioned settings using Profiles sub list of the Measurement list The instrument remembers all changes for the next time it is used Return to the default settings set up by the manufacturer is possible after the selection of the Factory Settings position available in the Auxiliary Setup list 3 4 Icons description Description of the instrument state Additional information about the instrument s state is given by means of the row of icons visible in the top of the display The real time clock RTC is also displayed in the same line together with icons SV 102 USER S MANUAL The meanings of the icons are as follows play icon is displayed when the measurement is started by the instrument stop icon is displayed when the measurement is stopped by the instrument pause icon is displayed when the measurement is paused computer icon is displayed when there is USB connection with the PC curve icon is presented when the current measurement results are logged into the instrument s logger file clock icon is displayed when the timer is On It is active when the instrument is waiting the measurement start up to occur When the measurement start up is close the icon changes its colour to green and starts to blink Tri
48. essible The flashing icon on the top line indicates that the instrument is in the measurement process In order to change the sensitivity the current measurement in progress must be finished Notice The manufacturers recommended factory calibration interval is every 12 months for this instrument to be confident in its continuing accuracy and compliance with the international specifications Please contact your local Svantek distributor for further details Calibration By Measurement 113 50 dB 0 00 dB Enter to Start lt ENT gt the microphone of the instrument A Notice It is also possible to use an electro mechanical pistonphone which generates a signal 124 dB or different type of acoustic calibrator dedicated for 12 microphones In case before starting the calibration measurement the user has to set the level of the signal generated by the given calibrator Cal Level position of Calibr by Measurement sub list which is stated in the calibration certificate of the unit the value of the Cal Level set by the manufacturer of SVAN 102 is equal to 114 dB SV 102 USER S MANUAL 18 3 Switch on the calibrator and wait approximately 30 seconds for the tone to stabilise before starting the calibration measurement 4 Start the calibration measurement by pressing the Start Stop push button 5 calibration measurement is stopped automatically after Stabilisation of the calibration Measuremen
49. et The Factory Settings position enables the user to return to the default setup of the instrument 9 3 Voice comments Comments The Comments position enables the user to define the file name for recording voice comments voice comment can be recorded before or after the measurement takes place and linked to the Previous measurement or the Next measurement that takes place SV 102 USER S MANUAL In order to record a comment the user should press and hold the Shift push buttons This will bring up a window with a question to which logger file to link a file containing the comment to the previous or next one After selecting an answer and pressing the Enter push button the record command window will open After starting the recording Start rec by means of the Enter push button red circle that indicates recording in progress will start to flash at the top line of the screen In this case one can comment the measurement and press lt Enter gt push button to finish recording The recording end will be confirmed with the comment Saved O K Fil 54 Left ch oO Start recording Stop File Left Channel Left Channel Hext measurement Hext measurement 9 4 Mode of displaying of Leq amp Lav results Leq amp Lav The Leq amp Lav enables the user to select the mode of display the Leq and Lav This position is available only in Dose Meter function If Both is selected Leq and
50. g its value by pressing the Enter push button The user may change the cursor position by means of the lt gt lt gt push buttons Field description of the Logger view 1 Logger Plot 2 Cursor position 3 Function value for cursor position 4 Function name Profile number and channel Notice If Logger path Menu Measurement Logging Logger Setup is switched off the Logger presentation mode is not active So to have this presentation mode active the user has to switch the Logger on Notice When Logger is enabled but results were not selected for logging the Logger presentation mode is not active Changing the measurement function The measurement function can be changed by pressing the lt gt and lt gt push buttons Changing the LN The statistical levels which are defined in the Statistical Level list path Menu Measurement Stat Lev can be changed after pressing simultaneously three buttons lt 4 gt lt lt Shift gt lt Shift 4 gt SV 102 USER S MANUAL 41 Changing the profile The profile can be changed by pressing the gt Y gt push buttons Changing the channel The channel can be changed by pressing the Enter push button Changing the presentation mode The presentation mode is changed after pressing the Esc push button 6 1 5 Statistics presentation mode otatistics is the cumulative probability d
51. gger Slope 99 Slope 5E ME M Shift push button is pressed 5 Memory organisation All available measurement results and settings can be stored in the external Memory micro SD Card as files The SD Card external memory is activated automatically after insertion of the card The presence of an SD Card is signalled by the memory icon icon is displayed when the trigger condition is set up to Shift icon is displayed when the with SD letters at the top left hand corner of the display The user can manage the files saved on SD card with the help of the File Manager Setup Manager function of the File menu The File Manager is used for checking the contents of the memory and operation on files and catalogues such as rename delete display information and also to create new catalogues The SD Card memory is organised as standard memory with directories and sub directories It is possible to create and to delete the directory structure The content of each memory file type can be checked with the help of the File Manag function of the File menu 14 tone icon is displayed during wave recording and event recording Internal memory icon is displayed when there is no external SD memory card inserted SD icon is displayed when the external SD card memory is connected Trigger Level icon is displayed when the trigger condition is set up to Level The
52. icated to control of the instrument hardware and contains the following items Battery enables the user to get information about current power source Keyboard enables the user to set the operating mode of the lt Shift gt Multifunction enables the user to select the available functionality of the I O port RTC enables the user to set the Real Time Clock Unit Label enables the user to check the model number of the instrument its serial number the current software version installed in it and the applicable standards which the instrument fulfils 8 1 Checking the state of the internal battery Battery The Battery setting enables the user to check the internal battery condition The instrument can be powered from four AA rechargeable or standard alkaline batteries or from the USB interface when its USB Device socket is connected by means of the standard SC 156 mini USB cable to a PC some other Svantek instruments and care should be used not to force the wrong plug into the Notice Note that this cable is not the same as a mini USB cable such as the SC 56 used on socket on the bottom of the instrument The view presented on the display for each of three kinds of possible power sources is different USB power single use alkaline type batteries rechargeable batteries The current battery voltage is displayed together with its approximate D Du state in graphical format Alkaline Rechargeable When the i
53. icon appears alternately with the play icon Trigger Level icon is displayed when the trigger condition is set up to Level The icon appears alternately with the play icon battery icon is displayed when the instrument is powered from the internal batteries Icon corresponds to the status of the batteries three two one or none vertical bars inside the icon When voltage of batteries is too low the icon becomes red Trigger Slope icon is displayed when the trigger condition is set up to Slope ES SD card is inserted L no SD card Files are saved automatically to the SD card To enable automatic saving several conditions should be SV 102 USER S MANUAL 15 fulfilled 1 SD card should be inserted and there should be enough space on it 2 3 The Logger path Menu Measurement Logging Logger Setup should be switched on The selected should be defined with a unique name path Menu Measurement Logging Logger Setup Logger File Name The files are saved in the catalogue which was set up as the working catalogue The default working catalogue after using Factory Settings function is called SVANTEK SV 102 USER S MANUAL 16 4 FUNCTIONS OF THE INSTRUMENT Function In order to select the Function list the user has to press the Menu push button select the Function text and press ENTER Function list contains three elements Mode Measurement F
54. ignal Analog Out transmitted from the input of the instrument to its output without any digital processing i e frequency filtering e the digital output Digital Out in the left channel used for triggering other slave instrument s the instrument is acting in this case as a master instrument or as a source of any alarm signal in case of certain circumstances occurred during the measurements i e the level of the input signal was higher than a user selected trigger alarm setting e the input of the digital signal Digital In in the right channel used as an external trigger to start the measurements in the instrument acting in this case as a so called slave instrument The more detailed description of the socket is given in App C Digital output function selection of the 1 socket The Function position enables the user to set the Digital Out function of the digital output of the I O instrument s socket The socket can be used as the source of the Trigger Pulse trigger pulse Trigger Pulse which starts the measurement in another slave instrument linked to the master instrument or the alarm signal which appears there after fulfilling certain measurement conditions Alarm Pulse Positive Polarisation selection of the digital output signal The Polarisation position enables the user to select which polarisation of the signal negative or positive Digital Out will be applied to the output
55. ing the directory for saving files Set as Working 46 7 1 2 RenumiungdJile catalogue Rename iso s rete tide Eo deduces Uu c e v o PD oed 46 7 1 3 Information about file catalogue Info eese eene 47 7 14 Deleting file catalogue Delete cae tee a ae E 47 7 1 5 Erasing the external memory Erase 47 7 2 MANAGING THE SETUP FILES SETUP MANAGER 1021 1 esse 48 8 SETTINGS OF THE INSTRUMENT PARAMETERS 49 8 1 CHECKING THE STATE OF THE INTERNAL BATTERY serene 49 8 2 SELECTION OF KEYBOARD MODES e seseese sesso sese 49 8 3 TRANSMISSION SPEED OF THE USB INTERFACE 5 B D ZDEFINIOWANO ZAK ADKI 8 4 PROGRAMMING THE INSTRUMENT S INTERNAL REAL TIME 52 8 5 CHECKING SPECIFICATION OF THE INSTRUMENT UNIT LABEL ccceccccececcccececcecccccceccececcececceceaceceeceeeaceneas 52 9 AUXILIARY S
56. isation with the instrument s RTC The Start Synchronizat parameter can be set as Off 1m 15m 30m and 1h For example if 1h was selected then each measurement starts from the first second of next real time hour after pressing Start Stop push button The default value is set to Off Setting the integration period The integration period defines the period during which the signal is being measured The integration period Integration Period can be set as infinite Inf or for a fixed interval by pressing the lt gt push button 24h 8h 1h 15m 5m 1m from 1s to 59s with 1s step from 1m to 59m with 1m step from 1h to 24h with 1h step Inf The measurement will stop automatically after this period or the measurement will start again when the selected Repetition Cycles is greater than one The whole block of summary results will be added to the logger file at the end of measurement cycle The definitions of the measurement results in which the integration period is used are given in App D Setting the number of repetition of measurement cycles The value of Repetition Cycles defines the number of cycles with the measurement period defined in the Integration Period to be performed by the instrument The Repetition Cycles number values are within the limits 1 1000 Its value by default is set to 1 Programming pauses In case of Dose Meter it is possible to program two automatic pauses Pause can be switched off
57. ist of files and catalogues is presented in the File Manager window Files are stored in catalogues which are organised hierarchically By pressing the Enter push button the window with the list of available operations is opening for the marked highlighted position Creating new catalogue The first position of the File Manager list is New Directory which creates the new catalogue In order to create the new catalogue the user should enter the catalogue in which the new one will be created and press the Enter push button at the New Directory position The marked catalogue can be opened by means of the Y push button To return to the upper catalogue the user has to press the gt push button The last screen after pressing the gt push button contains information about the SD Card memory name Disk Name memory free space Free Space and total memory space Capacity 7 1 1 Setting the directory for saving files Set as Working Dir It is possible to assign the catalogue for automatically saving logger files In order to do this the user should choose the required catalogue and press the Enter push button After opening the list of operations the user should select Set as Working Dir and press the Enter push button 46 NEL Hew Directory Delete Sh Key Insert Henu key Hew Directory lt gt SD Card Set as Working Dir lt ENT gt Notice
58. ith the Dose Meter and SLM modes All 1 1 octave with 10 centre frequencies from 16 kHz down to 31 5 Hz in base two system and 1 3 with 31 centre frequencies from 20 kHz down to 20 Hz in base two system digital pass band filters are working in the real time with the weighting filters Z A or C selected in the Spectrum path Menu Measurement Spectrum Filter and the linear LEQ LEQ detector This enables the user to pre weight a spectrum with one of the selected broadband frequncy curves if required for a particular application such as the provision of hearing protectors in the control of high workplace noise levels Notice The TOTAL LEQ results are measured with the weighting filters A C Z without taking into account the settings of the level meters for profiles The spectra are always linearly averaged Thus the TOTAL values from 1 1 Octave or 1 3 Octave analysis can be different from those obtained for the profiles if the LEQ Integr was set as Exponential The results of 1 1 Octave and 1 3 Octave analysis so called spectrum can be examined by the user on a display in Spectrum presentation mode The availability of this mode can be switched on or off by the user path Menu Display Display Modes 1 1 Octave and 1 3 Octave spectra for all centre TOTAL A frequencies of pass band filters together with the TOTAL overall values measured with the user selected frequency weighting filters are prese
59. ly activates the calibration process whenever an acoustic calibrator is installed on microphone and the calibration history is saved for later inspection The SV 102 comes with Supervisor software for data download visualization basic post processing and exporting to commonly used office software applications 1 1 SV 102 as Dose Meter SLM Analyser e Standards IEC 61252 1993 ANSI 51 25 1991 Class 2 IEC 61672 2002 Acoustic dosimeter mode Leq Spl Peak SEL DOSE D 8h LAV SEL8 PSEL E E 8h Peaks Counter more e Measurement simultaneous to the 1 1 amp 1 3 octave analysis e SLM Mode Leq Spl LAF LEPd Lden Ltm3 Ltm5 Statistics Ln L1 L99 Lmax Lmin Lpeak e Simultaneous measurement in three profiles with independent set of filters and detectors Weighting filters A C and 2 SV 102 USER S MANUAL 6 RMS Detector Digital True RMS detector with Peak detection resolution 0 1 dB e Time Constants Slow Fast Impulse e Microphone SV 25D Class 2 ceramic microphone 1 2 casing with built in preamplifier amp integrated cable SV 255 Class 2 ceramic microphone special version of the SV 25D for measurements in real ear under ear protectors option e SV 25D and SV 25S have built in TEDS functionality for the automatic calibration e Measurement range 45 dBA RMS 141 dBA Peak e Frequency range 20 Hz 20 kHz sampling rate 48 kHz e Dynamic range 100 dB Data Logger Time his
60. me can be up to eight characters long After pressing the lt gt lt gt push buttons the special window with text editor function is opened for editing Delete Sh tHenu Key Insert Henu key The edited name is accepted and saved after pressing the lt Enter gt push button The special warning is displayed in case a file with the edited name already exists in the memory The instrument waits then for a reaction of the user any push button should be pressed except IMEET a lt Shift gt Insert Menu Key The Summary Results position allows the user to select or deselect the saving of the full set of profile results that the instrument generates during total measurement time and which are not belonged to the time history data These results are SPL LEQ SEL Lden LEPd Ltm3 Ltm5 LN PEAK MAX MIN When the Logger is switch on and the logging results have been defined then in parallel with measurements during Integration Period the results the partial measurement results are saved in the file with the interval step defined by Logger Step parameter Up to 42 results can be logged simultaneously from three independent user defined profiles of the instrument Lpeak Lmax Lmin Leg Lav LR15 LR60 with time step down to 100ms These results are saved in the logger file in the external memory in all modes and functions of the instrument The recording in the logger s memory is stopped after the period which is equal t
61. mined by Trigger Gradient position In other cases the 4 1 measurement start is skipped Trigger source selection In one channel mode only one measured result can be used as a source of the triggering signal in the SLM function namely the output signal from the Leq Level detector coming from the first profile of the left channel which is denoted here as Leq P1 L This position does not become active and the text stated here Leq Pi 1 remains unchanged In two channel mode it is possible to choose the Leq from left Leq P1 L right Leq P1 R or from both channels Leq P1 L Leq P1 R Slopet Slopet LeqiPi Leq Pi LJ LeqiPi 100dB 100dB Setting the level of the triggering signal The level of the triggering signal Trigger Level can be set in the 24 dB to 136 dB range The Trigger Level value of the triggering signal refers to the rose instantaneous value of the LEQ result from the first profile calculated during the period depending on selected Detector path lt Menu gt Measurement Leq Pi L Profile x 1014 Setting the speed of the triggering signal changes This position appears when the Gradient trigger is chosen The speed of the triggering signal changes Trigger Gradient can be set from 1 dB ms to 4 1 100 dB ms range 104dB 10dB ms 5 3 Setting parameters in the profiles SV 102 USER S MANUAL 25 The parameters of the profile x can be set in the Profile x s
62. n 6 1 1 One profile presentation mode The One profile view is always available in all measurement modes In one result mode any measurement result selected in Measurement Results may be presented The profile numer which result is displayed is changed by the 5 lt Y gt push buttons The channel is changed by the Enter push button SV 102 USER S MANUAL 38 Field description of the 1 Profile view 1 Function name e for Dose Meter LAV L A C Z eq L A C ZE SEL8 E E 8h LEPd PSEL Ltm3 Ltm5 LN ULT TWA PrTWA OVL L A C Z peak L A C Z F S l max L A C Z F S l min L A C Z F S l DOSE D_8h PrDOSE for SLM L A C Z eq L A C Z E Lden LEPd Ltm3 Ltm5 LN Lc a OVL L A C Z peak L A C Z F S l max L A C Z F S l min L A C Z F S I The value of measured function Profile number and channel L left R right Quasi analogue value indicator The name of the implemented filter Z A C Elapsed time showing the current second of the measurement The value presented there belongs to the range 1 Integration Period Units of measured value Detector time constant when the detector is exponential Imp Fast Slow or Lin when the detector is linear Oo O1 GW N Notice The A C Z F S I means that the measurement function like Leq Lpeak Lmax Lmin L are measured with filter A C or Z and with detector Fas
63. nables the user to split the logger registration data into separate files If Logger Splitting parameter is Off the registration of time history data will be continuously performed in one logger file with the name defined in the Logger File Name position In other cases the registration is performed in separate files and the registration period may be equal to integration period Integration Period 15 minute Sync to full 15m 30 min Sync to full 30m 1 hour Sync to full hour or user defined up to six periods Specified Time Every time when registration period is achieved the logger file is closed and new file with the increased by one name number is opened for subsequent measurement data Integration Period is SV 102 USER S MANUAL 27 If Specified Time 15 selected the Logger Splitting position then six additional Splitting Time positions appear on the list The position may be swithed off if Off is selected On After pressing the lt gt push button while being specified Time specified Time on the one of Splitting Time position the Off is changing to time format value Further use of the gt push button enables the user to set the desired time hh mm of splitting the record The Logger Step defines the period of the data logging in a file It can be set from 100ms to 1h Its value by default is set to 1s The Logger File Name position enables the user to define the logger file name The na
64. nd Right SV 102 USER S MANUAL 33 Signal gain The Signal Gain position enables the user to select the gain of the recorded signal in the range from 0 to 40dB Checking the triggering condition In the Trigger Period position it is possible to select the time interval for checking the triggering condition This parameter can be set as Logger Step 0 5ms 100 0ms and 1s This position is active when Recording is set to Slope Slope Level and Level Logger Step 0 dB Trigger source selection This position is active when Recording is set to Slope Slope Level and Level and Gradient In one channel mode only one measured result can be used as a source of the 0 Sms triggering signal namely the output signal from the Leq detector coming from the first profile of the left channel which is denoted here as Leq P1 L This Leq Pi 1 position does not become active and the text stated here remains unchanged In two channel mode it is possible to choose the Leq from left Leq P1 L right Leq P1 R or from both channels Leq P1 L Leq P1 R Leq Pi Leq Pi L Leq Pi R 100dB 100dB Level of the triggering signal The level of the triggering signal for recording Trigger Level can be set ina range from 24 dB to 136 dB with 1 dB step 0 5ms This position is active when Recording is set to Slope Slope Level LeqiPi 1 and Level and Gradient Gradient of the triggering sygnal
65. ng the Spectrum window can select the pre weighting broadband filter for spectrum analysis lt gt The following weighting filters are available in 1 1 Octave and 1 3 Octave analysis e type 1 according to the IEC 651 and IEC 61672 1 standards e C type 1 according to the IEC 651 and IEC 61672 1 standards e Z type 1 according to the IEC 61672 1 standard 10 2 2 Saving of 1 1 and 1 3 Octave analysis results in the logger s file Logger Results Leq results from 1 1 Octave or 1 1 Octave analysis can be saved in the logger s file The enabling of spectrum saving in the logger file is made by activation deactivation of the Peak Spectrum or Leq Spectrum position by means of the lt lt gt lt push buttons 10 3 Display options in 1 1 Octave and 1 3 Octave analysis mode The Display list is used for setting the various parameters which are mainly dedicated for control of the display The following windows contain the elements that influence the presentation of the results of 1 1 Oct and 1 3 Oct analysis Disp Modes enables the user to select the mode of the measurement results presentation Disp Scale enables the user to change the scale in the graphical modes of result s presentation Spect View enables the user to change the type of the spectrum and to activate the Max and or Min spectrum 10 4 Presentation of 1 1 Octave and 1 3 Octave analysis results The Spectrum position
66. ns are presented for Dose Meter and SLM modes The Measurement list is used for setting the various measurement parameters and contains the following items General Setings enables the user to set some general measurement parameters Measure Trigger enables the user to set up the measurement trigger This position appears only in the SLM function Profile 1 2 3 enables the user to program the profile parameters for both channel in the Dose Meter function These positions appear only in the Dose Meter function Left Channel enables the user to program the profile parameters for the left channel in the SLM function This position appears only in the SLM function Right Channel enables the user to program the profile parameters for the right channel in the SLM function This position appears only in the SLM function Alarm enables the user to program the alarm function This position appears only in the Dose Meter function Logging enables the user to program the logging parameters Spectrum enables the user to set spectrum parameters This position becomes available only in the 1 1 Octave and 1 3 Octave functions Range enables the user to get information about measurement range Compensation Filter enables the user to switch on required microphone compensation filter Statistical Levels enables the user to define ten statistical levels Exposure Time enables the user to set the exposure time duting dose measurements This position a
67. nstrument is powered from a set of internal batteries the user should select the correct type It is essential for the right detection of the capacity of the battery pack Two types are available Alkaline and Rechargeable Notice Note that rechargeable batteries must be recharged outside the instrument in an external charger They cannot be charged when fitted inside the instrument 8 2 Selection of keyboard modes Keyboard SV 102 USER S MANUAL The Keyboard enables the user to programme the operation mode of the Shift push button Shift to switch on the key lock Lock During Meas and the unlock Unlock Mode of the keyboard by means of three keys lt Enter gt lt lt gt and lt gt Shift push button mode In the Shift position the user can choose between 2nd Function and Direct When the Direct option is selected the Shift push button operates as in the keyboard of a computer in order to achieve the desired result the second push button has to be pressed at the same time as the Shift one When the 2nd Function option is selected the Shift push button operates after the second one Key locking In the Lock During Meas position the user can switch on off key locking lf this function is swithed on the keyboard is automatically blocked during the measurement Key unlocking The Unlock Mode position enables the user to unlock the keyboard blocked automatically or manually If the
68. nted in the Spectrum mode 10 1 Selection of 1 1 Octave or 1 3 Octave analysis mode In order to select the 1 1 Octave or 1 3 Octave analysis mode the user has to enter the Function list by pressing the lt Menu gt push button then select the Function text and press lt Enter gt Then the user has to open the Measurement Function window and highlight the required position Dose amp 1 1 Octave Dose amp 1 3 Octave SLM amp 1 1 Octave SLM amp 1 3 Octave and press lt Enter gt Notice It is not possible to change the current function during a live measurement The instrument displays in this case for about 2 seconds the text Measurement in Progress In order to change the current measurement function the measurement must be stopped 10 2 Selection of parameters of 1 1 Octave and 1 3 Octave analysis The execution of 1 1 Octave or 1 3 Octave analysis depends on the certain number of the parameters which can be set in the different windows of the Measurement list Namely the user can set there the Filter path Menu Measurement Spectrum and switch on or off the recording of the spectra in the logger file path Menu Measurement Logging Logger Results 10 2 1 Setting the parameters of 1 1 Octave and 1 3 Octave analysis Spectrum SV 102 USER S MANUAL 5 1 1 Octave 1 3 Octave mode on the Measurement list the Spectrum position appears path Menu Measurement Spectrum Usi
69. o Integration Period multiplied by Repetition Cycles or after pressing the lt Start Stop gt push button or after stopping the measurements remotely The whole block of summary results will be added to the logger file at the end of the measurement cycle SV 102 USER S MANUAL repetition cycle repetition cycle 1 1 integration time integration time Y T signal amplitude time history RMS results logger time step 28 repetition cycle repetition cycle 1 Relations between Integr and Logger Step 5 5 2 Results selection Logger Results The Logger Results list enables the user to activate the results for three independant profiles of two channels which will be recorded to the logger file during measurement Activation deactivation can be done by means of the lt 4 gt push button The position is changed by means of lt gt and lt gt Y gt push buttons lt gt Notice When Logger is switched off or there no results for logging the logger plot cannot be activated in Display Modes and accordingly doesn t appear on the display 5 5 3 Logger trigger parameters setup Logger Trigger The Logger Trigger position becames available in the SLM function The Logger Trigger parameters influence the way the measurement results are saved in the logger It is a contexts sub list in which the trigger can be switched off or its type selected Trigger the sour
70. of the Display Modes list is accessible only for 1 1 Octave and 1 3 Octave functions When Spectrum mode is switched on the measurement screen in the Spectrum display mode is shown like below SV 102 USER S MANUAL 58 Field descriptions of the Spectrum view Spectrum plot Central frequency for the cursor position Value for the cursor position Cursor position Total values F 1 00k The user may shift the Y axis up or down during the spectrum presentation by pressing the or lt Y gt push buttons The user may change the cursor position by means of the lt gt push buttons frequency and appropriate dB value are presented in the line below the plot TOTAL A The TOTAL overall dB values are calculated with the filters A C and Z and are displayed at the bottom line of the screen when the cursor has been placed on the appropriate orange bar TOTAL C TOTAL Z lt gt 10 5 Setting the scale of the measurement results presentation Scale The Disp Scale sub list enables the user to change the scale in the available modes of graphical presentation of the measurement results and switch the grid on off Scaling the vertical axis The Dynamics position enables the user to select the required dynamic range scaling of the graphical mode display presentation In the case of the vertical axis one can obtain the double four times and eight times expansion
71. ording position enables the user to activate and set the parameters of signal recording in the external memory SD Card This function normally is not included in the instrument but can be purchased separately as an option Definition of record triggering The Recording position if it is not Off defines the recording mode Continuous Slope Continuous Slope Level Level Gradient External or Integration Period Wave file name definition The Wave File Name position enables the user to define the file name with wave record The name Continuous can be up to eight characters long After pressing the lt lt gt lt gt push buttons the special window Rib with text editor function is opened for editing Definition of channel to be recorded The Record channels position enables the user to choose which signal from the left right or both channlels will be recorded as an event Left Right or Left and Right Definition of file format The Format position enables the user to define the format of the file PCM or Extensible Definition of filter The Filter position enables the user to choose the broadband frequency filter during event recording A C or Z Sampling frequency of event recording The Audio Sampling position enables the user to select the sampling frequency of event recording 12KHz 24KHz or 48KHz 32 Delete Sh tHenu Key Insert Menu Key Continuous Rib Extensible Left a
72. pe Level 1 and Level and Gradient Gradient of the triggering sygnal The gradient of the triggering signal for recording Trigger Gradient can be set in a range from 1dB ms to 100dB ms Leqi Pi 1 This position is active when Recording is set to Gradient 100dB ms Recording before triggering condition When Pre Trigger position is switched on then the event signal is recorded immediately before Leq Pi 1 Leq Pi the triggering condition The range of such recording depends on the sample frequency and 2448 number of recorded channels For example with 12 kHz sample frequency and record of one channel the Pre Trigger can be set from the range 1s 30s If signals from both channels are recerded the range is 1s 30s This position is active when Recording is set to Slope Slope Level and Level and Gradient External Integration Period and Trigger manually Time of signal recording In the Recording Time position it is possible to select the time of signal recording after triggering starts If the next triggering condition appears then the signal will be recording for additional Recording Time The available values are from 1s to 8h or Inf This position is active when Recording is set to Slope Slope Level and Level and Gradient External Integration Period and Trigger manually 5 5 5 Wave recording setup Wave Recording SV 102 USER S MANUAL The Wave Rec
73. ppears only in the Dose Meter function MIRE enables the user to select the parameters of the microphone SV25S Timer enables the user to program the internal timer 5 1 Selection of measurement parameters General Settings The General Settings list enables the user to set the general measurement parameters measurement start delay Start Delay synchronization of measurement start with the real time Start Synchronizat integration period measurement run time Integration Period the repetition of the SV 102 USER S MANUAL measurement cycles Repetition Cycles automatic pauses Pause 1 Pause2 the intervals for day time period Day Time Limits and the LEQ detector type Leq Integration Setting time delay before the start of measurements The Start Delay defines the delay period from the pressing the lt Start Stop gt push button to the actual start of the measurements the digital filters of the instrument constantly analyse the input signal even when the measurements are stopped This delay period can be set from 0 second to 60 minutes Its value by default is set to 1s Notice The minimum delay period is equal to 0 second In the Calibration mode the delay period is always equal to 5 seconds Setting synchronisation of the measurement start The Start Synchronizat defines maximum delay period from pressing the lt Start Stop gt push button pressing to the start of the measurementsto allow synchron
74. r with the special mounting clip and dedicated headband make that microphones can be very easy attached in extremely short distance from the human ears SV 25S smart sensor with TEDS is dedicated for the measurements under headphones or earmuffs using MIRE technique Microphone In Real Ear With a special adapter it can be also calibrated with commonly available acoustic calibrators The SV 102 together with SV 255 are designed for individual real world test of the earmuffs noise reduction ratio The SV 102 can be also used as a dual channel Class 2 sound level meter providing broad band results with all required frequency weighting filters plus real time 1 1 octave amp 1 3 octave analyser Three acoustic profiles per channel allow parallel measurements with independently defined filters and RMS detector time constants The instrument enables huge time history logging capability providing broad band results and spectra with adjustable double long and short logging steps Audio recording on user selectable trigger conditions complete the logging functionality Data are stored on microSD memory card and can be easily downloaded to PC with the provided SvanPC software over USB interface Instrument is powered from two AA standard or rechargeable batteries separate charger is required as well as the USB interface The instrument can be easily calibrated in the field using an acoustic calibrator A built in algorithm automatical
75. rce selection In one channel mode only one measured result can be used as a source of the triggering signal namely the output signal from the Leq detector coming from Levelt the first profile of the left channel which is denoted here as Leq P1 L This position does not become active and the text stated here remains unchanged Leq Pi L 100dB In two channel mode it is possible to choose the Leq from left Leq P1 L right Leq P1 R or from both channels Leq P1 L Leq P1 R Level Level LeqiPi Leq Pi L Leq Pi R 100dB 100dB Level of the triggering signal The level of the triggering signal in logger Trigger Level can be set in 1 dB step from 24 dB to 136 dB range The Trigger Level value of the triggering Leyel signal refers to the instantaneous value of the Leq result from the first profile of the left channel calculated during the period depending on selected Detector Leq Pi path Menu Measurement Profile x Pre and post trigger recording In the Pre Trigger line the number of results recorded in the logger s file before the fulfilment of LegiPi 1 Leq Pi L the triggering condition be achieved This number is within the limits 0 10 10048 10048 In the Post Trigger line the number of results On00s 0 025 recorded the logger s file after the fulfilment of the triggering condition can be achieved This number is within the limits 0 200 The period of the measurements that are
76. s pressed simultaneously Delete Sh Key The user may delete the position in the edited text with the lt Y push Insert buttons pressed simultaneously The last two lines inform the user how to select or modify the text line Inactive parameters If some functions or parameters are not available the positions in the menu or parameter lists linked with this function or parameter becomes inactive the selected line field will be in frame with black background not yellow For example if Logger is Off path Menu Measurement Logging Logger Setup the positions Logger Result and Logger Recording are inactive 3 2 Powering of the instrument The SV 102 can be powered by one of the following sources e Two AA standard size batteries fitted internally In the case of alkaline type a new fully charged set can operate more than 16h 3 0 V 1 6 Ah in a single channel mode and non active display Instead of the ordinary alkaline cells two AA rechargeable batteries can be used a separate external charger is required for charging them In this case using the best NiMH type the operation time can be longer than 20 h 2 4 V 2 6 Ah in a single channel mode and non active display e USB interface 150 mA HUB For each possible power source there is a different view presented in the Battery window of the Instrument list When the instrument is powered from its internal batteries the Bat
77. sing lt Enter gt In all cases the lt Enter gt push button is used for confirmation of the selection in a position and for closing the opened sub list The sub list is closed ignoring any changes made in thr list by pressing the lt Esc gt push button Information window some windows inform the user about the state of the instrument available memory not existing files or loggers standards fulfilled by the unit etc In order to scroll through the list the user has to use the lt gt lt 4 gt or lt gt Y gt push buttons In order to close such a window the user has to press the Esc push button SV 102 USER S MANUAL 12 Text editing window There are also windows in which the user may edit some text i e the name of the file the header for the printed reports from the measurements This window contains help information to guide the user on how to edit the text The character which is displayed inversely may be edited user may select the position of the character in the edited text using the lt gt gt lt 4 gt push buttons available ASCII characters can be changed using the lt gt Y push buttons The subsequent digits underline upper case letters and space appear on the display in the inversely displayed position after each press of the push buttons mentioned above The user may insert the position in the edited text with the lt gt lt 4 gt push button
78. t F Slow S or Impulse 1 Notice There is no displayed indication of the detector in the case of PEAK and OVL results 6 1 2 3 profile presentation mode 3 Profile In the 3 Profile mode any three measurement results selected in Display Results may be presented for tree profiles of the selected channel The profile numer which result is displayed in the upper field of the display is changed by the gt Y gt push buttons The channel is changed by the Enter push button SV 102 USER S MANUAL Field description of the 3 Profiles view 1 Selected profile numer and channel L left R right 9 Function name e for Dose Meter LAV L A C Z eq L A C ZE SEL8 E E 8h LEPd PSEL Ltm3 Ltm5 LN ULT TWA PrTWA Lc a OVL L A C Z peak L A C Z F S l max L A C Z F S l min L A C Z F S l DOSE D_8h PrDOSE e for SLM L A C Z eq L A C Z E Lden LEPd Ltm3 Ltm5 LN Lc a OVL L A C Z peak L A C Z F S l max L A C Z F S l min L A C Z F S I 2 The name of the implemented filter A C Z and detector time constant when the detector is exponential Imp 1 Fast F Slow S or Lin L when the detector is linear 3 Quasi analogue value indicator 4 Elapsed time showing the current second of the measurement The value presented there belongs to the range 1 Integration Period 5 he value of measured function for the selected profile 6 Units of measur
79. t result 0 05dB The calibration delay time is set to seconds SLME103 59 5 13 54 Waiting for the start of the measurement the Delay is counted down on the display After the end of the measurement the result is displayed in the bottom line The measurement is running until the user presses the Start Stop push button It is recommended to repeat the calibration measurement a few times to ensure the integrity of the calibration The obtained results should be almost identical with 0 1 dB difference Some possible reasons for unstable results are as follows e the calibrator is not properly attached to the instrument e there are external acoustic disturbances such as high noise levels close by e the calibrator or the measurement channel the microphone the preamplifier or the instrument itself are damaged Notice During the calibration measurement any external disturbances acoustic noise or vibrations should not exceed a value of 100 when using calibrator that generates level of 114 6 Press the Enter push button to accept the calibration measurement result The calibration factor is calculated stored and displayed cf next Figure after pressing the Enter push button Notice The user has to press the Esc push button to quit the calibration procedure without saving the calibration factor 4 3 2 History of the calibration Last Calibration The Last Calibration window
80. tery icon is presented on the top line of the display When voltage of the batteries is too low for reliable measurements the icon is red or during attempt to switch the instrument on the Low Battery message occurs on the display for 2 seconds and the instrument switches off by itself To change the batteries the user has to switch off the instrument take off the black bottom cover of the instrument unscrew battery cover slide the battery tubes out change the batteries taking care to observe the correct polarity and reassemble the parts of the instrument The battery condition can be checked by means of the Battery function It is also presented continuously on the top line of the display by means of the Battery icon When there is a connection to the USB interface USB Device socket is connected by means of the SC56 cable to a PC the Computer icon is presented on the top of the display and in the Battery window there is the USB Power Voltage 5 00V message external power adapter or USB interface as soon as possible to ensure reliable operation If no suitable external power source is provided the instrument will be switched off automatically after a short time Notice In the case when Battery icon is red it is strongly recommended to use an SV 102 USER S MANUAL 13 Prolonging the internal source of the instrument s power can be achieved by means of the OLED screen Dim Mode The settings of power saver function Dim Mode may
81. the correct selection of the measurement range 6 2 Setting the scale of the presentation and the display s grid Disp Scale The Display Scale sub list enables the user to change the scale in the available modes of graphical presentation of the measurement results and switch the grid on off Scaling the vertical axis The Dynamics position enables the user to select the required dynamic range scaling of the graphical mode display presentation In the case of the vertical axis one can obtain double four times and eight times expansion as the default the vertical axis corresponds to 80 after expansion it corresponds to 40 dB 20 dB 10 dB and 120 dB respectively Switching the grid on off The Grid enables the user to switch on or off the horizontal grid lines in any graphical presentation Switching the automatic Y scale adjustment on off The Autoscale position switches on the automatic scale adjustment of the Y axis The adjustment is performed once automatically after the start of the measurement to suit the initial level of the input signal from the microphone 6 3 Selection of results for presentation Measurement Results 42 SV 102 USER S MANUAL 43 The Measurement Results position enables the user to choose the Sound Level Meter SLM Results or Dose Meter Dosimeter Results results which should be presented on the display The result can be selected from the list SLM Results TIM
82. tion information saved in the microphone memory This operation enables the user to rewrite the current calibration with the factory calibration data 4 3 4 Post measurement calibration Post Calibration SV 102 USER S MANUAL 20 sometimes it is required to perform so called post calibration of the instrument Position Post Calibration enables the user to perform additional calibration after a measurement session and add the results to the file saved in the memory In the opened window there are three options for saving results not to save Off save in the last file Last File or save in the files which will be created after last calibration Files After Cal lt gt 4 3 5 Automatic calibration Auto Calibration Position Auto Calibration enables the user to perform automatic calibration when the sound calibrator is attached In this case the window Calibration will appear automatically If Auto Calibration is switched off the user should enter this window through the Menu lt gt SV 102 USER S MANUAL 21 5 MEASUREMENT PARAMETERS SETTING Measurement The Measurement list contains the elements that enable the user to set the measurement parameters To open the Measurement list the user has to press the Menu push button select the Function text and press lt Enter gt The content of the Measurement list is different for different modes and functions As an example two scree
83. tory logging of Leq Lav Min Peak results to internal memory with time step down to 100 miliseconds up to 30 measurement results logged simultaneously plus 1 1 amp 1 3 spectra e Audio Recorder Time domain signal events recorder option e Dual channel measurement mode with second microphone SV 25D or SV 25S option e Dual channel 1 1 octave amp 1 3 octave real time analysis meeting Class 1 requirements of IEC 61260 and spectra logging option 1 2 Accessories included e SV 25 B Dosimeter microphone with integrated preamplifier TEDS and cable for SV 102 BLACK e SA 25 windscreen e SC 56 micro USB cable e MicroSD memory card 4 GB capacity e Two AA batteries CD with instruction e Supervisor software for Windows XP VISTA7 operating system 1 3 Available optional accessories e SV34 Class 2 acoustic calibrator 1000 Hz 114 dB SC 122 Preamplifier extension cable Lemo 2 pin socket to 2 plug SA 142 Carrying case for SVAN 102 and accessories SA54 Power supply by USB using SC 56 USB cable 1 4 Available instrument firmware options e 5 102 OCT 1 1 octave analysis option single and dual channel instrument version SF102 1 1 amp 1 3 octave analysis option single and dual channel instrument versions statistics in 1 3 octave band not available e SF102 REC audio events recording Notice The software options listed above can be purchased at any time as only th
84. ub list which in case of Dose Meter is opened from the Measurement list and in case of SLM from of channel sub list Left Channel or Right Channel The following parameters can be programmed independently for each profile in the Profile x sub list weighting filter Filter peack filter Filter Peak and LEQ detector type Detector For Dose Meter function some additional parameters can be set in the Profilex list Criterion Level Threshold Level Exchange Rate ULT Threshold Level PTC Threshold Level Weighting filter selection There are three filters available e Z according to IEC 61672 1 standard e A according to IEC 651 and IEC 61672 1 standards e C according to IEC 651 and IEC 61672 1 standards LEQ detector selection The following LEQ detectors are available in the instrument Imp Fast and Slow The Dose Meter specific parameters can be set as follows in to IEC 61252 and ANSI 1 25 1991 Criterion Level 60dB 65dB 70dB 75dB 80dB 84dB 85dB 87dB 90dB Threshold Level None 60dB 65dB 70dB 75dB 80dB 85dB 90dB Exchange Rate 2 3 4 5 6 ULT Threshold Level 70dB 140dB Threshold Level 70dB 140dB Where ULT upper limit time based on SPL value time above the threshold PTC peak threshold counter number of peaks that exceeded set value 5 4 Setting the alarm thresholds for dose meter functions Alarm The Alarm position is active only in the
85. unction and Calibration lt gt 4 1 Selecting the mode of the instrument Mode device can work in two modes Single Channel and Dual Channel The main default mode of the SV 102 instrument is the Single Channel mode Dual channel option can be initially supplied by the manufacturer or purchased later and added by the user lt gt 4 2 Measurement functions of the instrument Measurement Function The main function of the instrument is the Sound Dose measurement Dose Meter The oound Level Meter SLM function provides the user with functions meeting the standard IEC 61672 2002 for Type 2 accuracy The user may also use 1 1 and 1 3 real time octave band frequency analysis functions These functions extend the main functions of the instrument because the selected 1 1 and 1 8 octave analysis is performed together with all calculations of Dose Meter or SLM functions In order to select the required function the user has to enter the Measurement Function list After entering the Measurement Function ist the set of the available functions appears on the display Dose Meter Dose amp 1 1 Octave Dose amp 1 3 Octave SLM SLM amp 1 1 Octave SLM amp 1 3 Octave and Running LEQ The currently active function is marked as active lt gt Standard instrument configuration contains functions Dose Meter SLM and Running LEQ The main default function of the instrument is Dose Meter

DUAL CHANNEL ACOUSTIC DOSIMETER

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