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SVAN 979

1. In case of the sound measurements the Scale position is not active All results are presented logarithmically in dB Grid ma Autoscale Modify 4 gt OVLM 00 13 x00 01 3 Scale i TT Dynamic 80dB Grid Autoscale Notice In the Vibration modes the parameters can be presented in logarithmic decibels or AN linear m s units It depends on the Display Scale position path lt Menu gt Display Display Setup Display Scale Log or Lin e g 10 m s can be presented as 140 dB Scaling the vertical axis of the plot The Dynamic position enables the user to select the required dynamic range scaling of the plot in the graphical presentation mode The user can obtain double four times and eight times expansion of the vertical axis the default vertical axis corresponds to 80 dB after expansion it corresponds to 40 dB 20 dB and 10dB respectively Two additional settings are available at 100 dB and 120 dB range Select the required range using the lt f gt and lt gt push buttons Switching the plot grid on off The Grid position enables the user to switch on or off the horizontal plot grid lines in any graphical presentation Switching the automatic Y scale adjustment on off The Autoscale position switches on the automatic 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 micro
2. e change the parameters value with double step e g Start Delay period form 1s to 11s 21s etc e to shift cursor from the first to the last position and back on the graphical presentation mode except 1 6 and 1 12 octave spectrum presentation e zoom in or zoom out in the 1 6 and 1 12 octave spectrum presentation modes The lt lt gt lt gt gt push buttons pressed in conjunction or in sequence with lt Alt gt enable the user specifically to e select the parameters value in an active position in the matrix parameter list e select the parameters value in an active position e g filter Z A B or C Start Delay period 1s 2s 3s etc e insert or delete a character in the text edition screen The lt gt lt 7 gt push buttons enable the user specifically to e select lines in the list SVAN 979 USER S MANUAL 12 lt 5 lt sS lt gt lt gt e select the correct character from the list in the text edition screen e activate markers 1 and 4 The lt gt lt gt push buttons pressed in conjunction or in sequence with lt Shift gt enable the user specifically to e shift the cursor from the first to the last position and back on the menu list e change the relationship between the Y axis and X axis of all plots presented on the screen The lt gt lt 7 gt push buttons pressed in conjunction or in sequence with lt Alt gt enable the user specifically to e
3. The execution of RT60 function depends on a certain number of the Os RT60 00 07 parameters which can be set in the different lists of the Measurement menu RT60 Settings Compensation Filter and Range Positions Compensation Filter and Range are the same as for other instrument s functions see Sections 5 6 and 5 7 of this manual SVAN 979 USER S MANUAL 104 The RT60 Settings list enables the user to Os RT60 00 07 Os RT60 00 07 select the method for RT60 calculation select the name of the logger file where the Compares tion Pater registered data will be collected and other Range parameters for RT60 calculation Method UTE Start Delay 1s Recording Time os Time Step 10ms Level 100dB Logger Name LOG142 lt ENT gt The Method position enables the user to Es RT60 00 07 Hs RT60 00 07 choose the method for RT60 calculation Method JD TET Method Ii STINGS Decay or Impulse Both methods are Start Delay is Start Delay 1s described in the Appendix H Recording Time os Recording Time 5s Time Step 10ms Time Step 10ms Level 100dB Level 100dB Logger Name LOG142 Logger Name LOG142 The Start Delay position defines the delay period from the moment the OS RT60 lt Start Stop gt push button is pressed to the start of the actual E measurement Start Delay The Recording Time position defines the recording time of the measurement data sound pressure level decay curve The data acquiring Level 100dB starts in the momen
4. Gradient Triggering of the measurement Trigger can be switched off using the lt 4 gt push buttons CISLM 21 16 lt ENT gt Triggering is switched on if one of its six available modes is selected Slope Slope Level Level Grad or External If the instrument works with the triggering switched on the appropriate icon appears on the display when the triggering condition is not fulfilled The triggering condition is checked every 0 5 milliseconds This parameter Trigger period is constant and is displayed inversely Slope type trigger Slope When Slope is selected the measurement starts when the rising result 100dB value Source passes above the level determined by the selected decibel Level When Slope is selected the measurement starts when the falling result value Source passes below the level determined by the selected decibel Level The measurement is stopped when the conditions set in the General Settings sub list are fulfilled or after pressing the lt Start Stop gt push button or after receiving the proper control code remotely SVAN 979 USER S MANUAL 31 Level type trigger JL 1 When Level or Level is selected for the measurement the triggering condition is checked every 0 5 millisecond The measurement is recorded only when the result value Source has the greater lower level than that determined in the Level position otherwise the measurement result is skipped Gradi
5. L 52 8 dB SVAN 979 USER S MANUAL 14 TONE MEASUREMENT Tonalit The method applied in SVAN979 for assessing the audibility of tones in noise has three steps e narrow band frequency analysis FFT 110 e determination of the average sound pressure level of the tone s and of the masking noise within the critical band around the tone s e calculation of the tonal audibility Lta and the penalty K This method is in accordance with the ISO 1996 22 2007 E standard before proceeding This chapter describes only the navigation of the instruments whereas Appendix describes the Objective Method for Assesing the Audibility of Tones in Noise applied in the SVAN979 A Notice It is recommended to familiarize with the Appendix I instrument 13 1 Selection of Tonality function In order to select the Tonality analysis HYECH function 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 highlight the Tonality line and press lt ENTER gt lt ENT gt In this case the instrument displays for about 2 seconds the text Measurement in Progress In Notice It is not possible to change the current function during live measurements order to change the current measurement function the instrument must be stopped 13 2 Setting the parameters of the Tonality functi
6. Spectrum presentation mode The Spectrum position is accessible only for active 1 1 Octave 1 3 Octave and FFT functions path lt Menu gt Function Measurement Function s0 OsLM 03 35 NLogger Setup Singie Logger Meteo Logger Step te Logger Name amp LOGO Modify 4 gt CISLM 22 50 Profile 1 2 Peak Vv x Max Vv gt x lt Min x lt Leq b lt Modify Alt 4 gt OsLM 02 33 1 Prof amp 3 Prof 1 Prof amp Logger 3 Prof amp Logger Logger Spectrum Spectrum Table Modify 4 gt 40 gt MENSA RAI i L 48 so Os 1 71 02 05 1 Prof amp 3 Prof 1 Prof amp Logger 3 Prof amp Logger Spectrum Spectrum Table Modify 4 gt ENM J SLM 22 52 x00 01 CISLM 02 32 SVAN 979 USER S MANUAL 49 Fields description of the Spectrum view Averaging type Cursor position Value for the cursor position Averaging used Lin or Exp Spectrum plot Frequency weighting filter used Total values Central frequency for the cursor position ot oe eI k 10k F 0 80Hz The user may shift the Y axis during the spectrum presentation after pressing the lt Shift gt and lt gt or the lt Shift gt and lt 7 gt push buttons The user may change the cursor position bos by means of the lt 4 gt lt gt push buttons o HF The frequency and the appropriate value are presented in the line below the plot Press the lt 4 gt lt gt push
7. lt 7 gt push buttons The user may change the cursor position by means of the lt 4 gt lt gt gt push buttons The frequency and appropriate value are presented in the line below the plot The user may zoom in out the frequency scale at the cursor position by means of the lt 4 gt lt gt gt push buttons pressed with lt Shift gt OS FFT OS FFT 00 09 x00 01 F 168 500Hz 12 8 Setting the scale of spectrum presentation Scale 02 23 OS FFT OS FFT 01 55 00 10 SVAN 979 USER S MANUAL The Display Scale sub list enables the user to change the scale in the available modes of graphical presentation of the measurement results and to switch the grid on or off Setting the scale of the measurement results presentation The Scale position is accessible only in case of Vibration measurement modes Two options are available Lin linear and Log logarithmic In case of Lin the graphical presentation and the units are linear In case of Log graphical presentation is given in the logarithmic scale and the measurement results are expressed in decibels the result is related to the values set in the Reference Levels path lt Menu gt Auxiliary Setup Reference Levels In the case of the Sound measurements the Scale position is not active All results are presented in dB Scaling the vertical axis of the graphical mode presentation Dynamic The Dynamic position enables the user to
8. select the required dynamic range scaling of the spectrum presentation It is possible to select the range from the set 10dB 20dB 40dB and 80dB In another words the user may obtain double four and eight times the expansion of the vertical axis as the default the vertical axis corresponds to 80 dB after expansion it corresponds to 40 dB 20 dB and 10 dB respectively Additional display scales of 100dB and 120dB are also available for FFT spectra Switching the grid on off The Grid option enables the user to switch on or off the horizontal grid lines in the spectrum presentation mode Switching the automatic Y scale adjustment on off The Autoscale position switches on the automatic adjustment of the Y scale CS FFT 119 25 Display Modes Display Scale Spectrum View Logger View Spectrum Compare Screen Setup Themes OV FFTH01 13 Scale Grid A utoscale OV FFTHO01 13 Scale ET Dynamics 80dB Grid Autoscale CIS FFT 00 26 Dynamics Grid utoscale OS FFTHO0O0 25 Dynamics Grid A utoscale OS FFT Dynamic utoscale OS FFT 02 23 Dynamics Grid utoscale lt ENT gt gt DeqaeE Rte 0 H gt MESHED Misia 99108 618 a2 101 CiS FFT 119 26 Dynamic Grid utoscale OV FFT 01 20 x00 01 FFT Aver Lin Acc HP OV FFT 01 19 x00 01 FFT Aver Lin Acc HP CIS FFT oo 09 x00 01 Filter CiS FFT amp 00 25 x00 01 FFT
9. 3 Omp tan the L90 statistic level appears on the display Pressing lt Shift 4 gt or lt Shift gt gt enables one to view the comparison result for lower or higher statistical levels SVAN 979 USER S MANUAL 98 12 FET ANALYSER The instrument operates as FFT analyser in a very similar way to the Level Meter mode and in addition FFT analysis is performed in parallel with the SLM or VLM operations The results of FFT analysis spectra can be examined by the user on a display in the Spectrum presentation mode The availability of this mode can be switched on or off by the user path lt Menu gt Display Display Modes FFT spectra with the single Total overall value measured with preselected frequency weighting filters and windows are presented in the Spectrum mode if selected in the spectrum display menu The read out of the value of interest in the spectrum can be done using a vertical cursor on the screen 12 1 Selection of FFT analysis mode In order to select the FFT analysis mode the CISLM 02 45 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 highlight the FFT line and press lt ENTER gt lt ENT gt In this case the instrument displays for about 2 seconds the text Measurement in Progress Notice It is not possible to change the current function duri
10. 4 input signal even when the measurement is stopped This delay period can Lin be set from 0 second to 60 seconds with 1 second step by means of the 6H 18H lt 1 gt lt gt push buttons and with 10 seconds step by means of the lt gt lt gt push buttons pressed together with lt Shift gt Notice The minimum delay period is equal to 0 second In the Calibration mode the delay AN period is always equal to 3 seconds Switching on off the integration period settings The integration period can be set as infinite or can be defined together with the Repetition Cycles number The Integr Period Inf position defines if the period during which the signal is being measured is infinite or not If the Integr Period Inf parameter is switched on then the signal will be averaged all the time until the lt Stop gt push button is pressed and the measurement is stopped 1 continuous cumulative result If integration period is infinite then two next positions become inactive Setting the integration period The Integr Period position integration period defines the period during which the signal is being measured integrated The integration period can be set in the special window which is opening by pressing the lt 1 gt or lt gt push buttons 00 00 0 i The measurement will stop automatically after this period or the measurement will start again when the selected Repetition Cycle is greater than 1 one
11. 400dB e Time Step 10ms LOG165 e Level 100dB e Averaging On e Smoothing 3 e Noise Mar 10 0dB SVAN 979 USER S MANUAL 107 Notice The default measurement time of the decay curve registering Recording Time is 7 seconds It can be insufficient in some applications It is recommended to set this value to be at least two times longer than expected reverberation time For details see Appendix H Notice The proper value of the sound level trigger threshold should be set well above AN the background noise and significantly below the maximum sound level emitted by the impulse source 2 Place the microphone in one of the selected measurement points for the S RT60 00 55 measurement points location see the reverberation time measurement ISO standard 3 Start the measurement process by pressing the lt Start Stop gt push button The display indicates that the instrument is waiting for the trigger condition fulfilment 4 Fire the impulse sound power source If the trigger condition is fulfilled the instrument starts to collect data SPTO GOIE 5 After the data recording process ends the instrument starts the calculation of the reverberation time results During this process the message Reading Logger appears 6 To save results press the lt Save gt push button or use the File menu option Notice During the data collections in the investigated room all other sources of sound should be AN suppressed to not affect
12. 6 24V socket located on the bottom cover of the instrument The current consumption depends on the voltage of the power supplier Input SVAN 979 Sound amp Vibration Analyser IEC 61672 2002 Type 1 x E 0 2001 Type 1 x SO 8041 2005 Made i in Mpeg x SVANTEK O 3 i Contains 1 etal M lodule x y FCC ID QOQW n Xg ce a 4 x AA battery Serial no 10000 6 24V USB Memory USB yo J0 Host Card Device La Notice Switch the power off before connecting the instrument to any other device e g a printer or a Personal Computer Nn SVAN 979 USER S MANUAL 1 3 SETTING THE INSTRUMENT In order to perform measurements using the instrument the user only has to plug in the preamplifier with the microphone already screwed on or the proper vibration transducer and to switch the power on by pressing of the lt Alt gt and lt Start Stop gt push buttons at the same time Hold both buttons down for 1 or 2 seconds and release to switch on 3 1 Basis of the instrument s control The instrument is controlled by means of nine push buttons on the keyboard Using these push buttons the user 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 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
13. REC12 38 0OS 173411 56 Name Event Point 1 PLANE Jo E M R MI Be MI e 2 TRUCK 3 CAR 4 TRAIN CISLM 00 06 Event Point Vl E Be k lt k lt OSLM 02 12 Wave Rec Ts CISLM 00 16 Wave Rec BE hee Format PCM Audio Sampling 48kHz Bits Per Sample 24 File Name REC12 File Length Limit Off OSLM 00 19 File Name R ek CISLM 00 46 Wave Rec On Trigger Format PCM Audio Sampling 48kHz Bits Per Sample 24 File Name REC12 File Length Limit Eis SVAN 979 USER S MANUAL The Wave Recording enables the user to activate and programme the wave recorder trigger This option became active only when the value of the Wave Rec parameter was set as On Trigger In the Trigger position the following options are available Slope Slope Level Level and External 39 CISLM 00 48 PCM 48kHz 24 REC12 Off Slope The Source position indicates the triggering signal source Only one measured result can be used as a source of the triggering signal in all modes namely the output signal from the RMS detector coming from the first profile which is denoted here as Leq 1 This position does not become active it is not displayed inversely and the text shown here remains unchanged After pressing the lt 7 gt push button the Source line is skipped The level of the triggering signal for recording LISLM 00 49 LIVLM 200 51 Level can be set from 24 dB to 136 dB
14. Sensitivity in the case of Acoustic signal 23 4 3 2 Calibration by Sensitivity in the case of Vibration signal 24 4 3 3 Calibration By Measurement in the case of acoustic signal 24 4 3 4 Calibration By Measurement in the case of vibration signal 26 4 3 5 History of the calibrations Last Calibration 26 4 3 6 Clear calibration records Clear Calibr History 27 5 MEASUREMENT PARAMETERS SETTING Measurement 28 5 1 Selection of measurement parameters General Settings 28 5 2 Measure trigger parameters selection Measure Trigger 30 5 3 Setting parameters in a profile Profiles 31 5 4 Setting the data logging functionality Logging 32 5 4 1 Data logger programming Logger Setup 33 5 4 2 Results selection Logger Results 34 5 4 3 Logger trigger parameters setup Logger Trigger 35 5 4 4 Event recording setup Event Recording 36 5 4 5 The marker setup Marker Setup 37 5 4 6 Wave recording setup Wave Recording 38 5 5 Selection the 1 1 Octave 1 12 Octave spectrum parameters Spectrum 39 5 6 Selection of the microphone compensation filters Compensation Filter 40 SVAN 979 USER S MANUAL 5 7 Measurement range setting Range 5 8 Exposure time setting Exposure Time 5 9 Setting ten statistical levels Statistical Levels 5 10 Programming the instrument s internal timer Timer 5 11 Description of an exemple timer function 6 DATA AVAILABLE ON THE DISPLAY Display 6 1 Selection of the modes of measu
15. The definitions of the measurement results in which the integration period is used is given in App D To set the integration period the user should define the required hours minutes and seconds field The appropriate field may be selected by pressing the lt 14 gt or lt gt push buttons e Ho1 Ael Value of hour minute and second is changed by means of the lt gt or lt 7 gt push buttons If the user uses the Auto Save option path lt Menu gt File Save Options OsLM amp 17 30 Auto Save the integration period value has to be greater or equal than 10 seconds When the Auto Save option was switched on and new entered integration period value is less than 10 seconds Auto Save option switches off and the Int Period Too Short Auto Save Disabled message appears on the display Setting the repetition number of measurement cycles The Repetition Cycles position defines the number of cycles with the measurement period defined by Integration Period to be performed by the instrument The Repetition Cycles number values are within the limits 1 1000 SVAN 979 USER S MANUAL 30 Detector s type selection The RMS Integration position defines the detector type for the calculations of the Leq Lden LEPd LN and Sel functions Two options are available linear Lin and exponential Exp The formulae used for the Leq calculation are given in Appendix D selecting Lin is required to obtain the true RMS v
16. and display file and catalogue information Activation of the USB Disk can also be performed in the File Manager window The user should select the USB Disk position and press the lt ENTER gt push button Then in the Command list select the Activate USB Host position and press the lt ENTER gt push button again The SD Card and USB Disk 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 Manager or Setup Manager function of the File menu C1S 171 19 22 lt ENT gt OS 171 lt ENT gt lt ENT gt SVAN 979 USER S MANUAL 21 The files are saved in the Memory and in the catalogue which was set up Os i71 01 04 as the working catalogue The working directory is displayed in the bottom line of the File Manager window The working Memory type is displayed as the icon in the left position of the icon line The user can copy or move data from the internal memory of the device and store new data in the external memory USB Disk icon is displayed when USB disc is assigned for file saving USB disc is connected and activated Internal memory icon is displayed when internal memory is assigned for file saving SD Card icon is displayed when external SD card memory is assigned for file saving Micro SD card is connected There are
17. and that name is increased by one again during the saving operation lt ENT gt The number can be changed from 0 to N The only limitation of the N value is the length of the file name which cannot be longer than eight characters When such limitation is achieved and the instrument cannot automatically change the file s name the only possibility is to select a new file name Saving is not possible when the instrument is measuring the signal The SEMIAR LER L message Measurement in progress is displayed for about 3 seconds When no measurements were performed and there are no results to be saved the special message is displayed as shown here Notice Direct access to the Save Save Next function is possible after simultaneously AN pressing the lt ENTER gt and lt Alt gt push buttons if the Direct Save option is switched off path lt Menu gt File Save Options Direct Save In the other case Direct Save option is switched on the results are saved after pressing the lt ENTER gt and lt Alt gt push buttons in the file with the automatically incremented name Notice After the usage of the lt ENTER gt and lt Alt gt push buttons if the Direct Save option is AN switched on the measurement results are saved only once The following pressing will not cause any instrument s reaction unless next measurement is performed The same result can be saved in multiple numbers of files only by using the Save Save N
18. 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 979 is equal to 114 dB It is also necessary to switch the instrument Range to the High level setting 3 Switch on the calibrator and wait approximately 30 seconds for the tone to stabilise before starting the calibration measurement 113 85dB 4 Start the calibration measurement by pressing the lt Start Stop gt push button The calibration measurement time is set to ph SLM 21 13 3 seconds with 3 seconds delay During the calibration measurement the lt ESC gt and lt Pause gt push buttons do not operate but it is possible to stop the measurement using the lt Start Stop gt push button It iS not recommended to stop the calibration measurement before the pre programmed 5 seconds period Waiting for the start of the measurements the Delay is counted down on the display After the end of the measurement the result is displayed in the bottom line It is recommended to repeat the calibration measurement a few times to ensure the integrity and stability 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 clo
19. can be seen also in the 1 Profile and or 3 Profile modes If the NC or NR result exceeds the maximum value for which the curves are defined NC 70 or NR 130 then before the displayed result the character gt appears and the highest defined curve is displayed To switch the cursor to read the Max Min BEMIAR 01 17 NR or NC values the user should select i the field in the left hand corner of the display by means of the lt gt lt 7 gt push buttons Then select the appropriate value by means of the lt lt 4 gt lt gt push buttons pressed together with lt Alt gt The view of the spectrum screen can be OS 1 1 02 36 adjusted quickly without the measurement to be stopped After press the lt ENTER gt push button the Spectrum View list is displayed The user may make necessary adjustments and return to the Spectrum view after confirmation of the changes by pressing the lt ENTER gt push button Averaged 11 11 Selection of the Spectrum Type in the Vibration modes Spectrum Type OV 171 18 16 Acceleration Velocity Displacement The user can select the different type of 0Dv 171 18 15 vibration spectrum to be presented on the i isplay Modes display in the Spectrum Type window Display Scale path lt Menu gt Display Spectrum Type Spectrum View The Spectrum Type position is available Logger View only for Vibration modes and the following Spo nirin Compare spectrum t
20. can select the input ranges specified in Appendix C named as Low and High The selection of the input range is possible after entering the Range window of the Measurement list High lt gt gt 11 4 Pre weighting filter and frequency band selection Spectrum In the 1 1 Octave 1 12 Octave modes a O1s 171 18 55 Os 171 00 59 context element Spectrum appears on the Measurement list path lt Menu gt Measurement Spectrum In the Spectrum window the user may select the pre weighting broadband frequency filter and the band in the case of sound measurements Selection the band OS 1 1 400 59 The Band position enables the user to select the applied band of 1 1 Octave Audio 31 5 16k 1 12 Octave analysis Available values of the bands of the analysis are as follows Sound 1 1 Octave analysis Audio 31 5 16k and Full 1 16k Sound 1 3 Octave analysis Audio 20 20k and Full 0 8 20k Sound 1 6 Octave analysis Audio 20 21 4k and Full 0 73 21 4k Sound 1 12 Octave analysis Audio 20 3 22k and Full 0 71 22k Vibration 1 1 Octave analysis Full 1 16k Vibration 1 3 Octave analysis Full 0 8 20k Vibration 1 6 Octave analysis Full 0 73 21 4k Vibration 1 12 Octave analysis Full 0 71 22k Audio 31 5 16k HP Linear lt ENT gt Weighting filter selection Os 1 71 00 53 The Filter parameter influences the calculations of the 1 1 Octave Audio 31 5 16k 1 12 Octave a
21. change the mode of result presentation e programme the Real Time Clock RTC and Timer Info The lt Info gt push button simultaneous pressing the lt lt gt lt gt push buttons opens the window with the help information in the measurement display modes Press lt ESC gt or lt ENTER gt to exit the Info screen Markers The Markers enable the user to mark special events which occurred during the performed measurements i e the airplane flight the dog barking the train s drive etc In order to activate the markers the logger has to be switched on path lt Menu gt Measurement General Settings Logging Logger Setup and one or more logger results Peak Max Min Leq for sound measurements or Peak P P Max RMS for Vibration measurements in profiles have to be activated path lt Menu gt Measurement General Settings Logging Logger Results In order to enter the marker mode the user must press lt Shift gt and lt Alt gt lt Shift gt lt Alt gt push buttons simultaneously during the measurement Then four available markers appear on the screen To choose marker number 1 the user must press lt gt push button number 2 lt 4 gt number 3 lt gt gt and number 4 eis The markers disappear automatically and the chosen marker is activated after pressing lt Shift gt lt Alt gt again active marker number will be highlighted In order to switch off the marker the user has to
22. cursor position using the lt lt gt lt gt push buttons The statistical level and appropriate dB value are presented in the line below the plot Press the lt lt gt lt gt push buttons with the lt Shift gt button to go straight to the first or last LN position on the screen File information presentation mode The File Info position switches on or off the additional file information description during the measurement The File Info window indicates the file name its size date and time of the recording of the main results cf App B and time Elapsed Time during which the main results saved in the logger were measured The value presented there is in the range 1 Integration Period and depends on the moment and the way the measurements were stopped View of the measurement results The measured results may be also displayed as a list of all measured functions in profiles with assigned frequency filters and time constants In case the same functions are set up in two profiles the results for the first profiles will be displayed View of the GPS information The GPS view enables the user to display the information from GPS device connected to the USB port of the instrument The GPS view will be active only if options GPS Host Port or GPS Device Port are active path lt Menu gt Instrument Communication Ports 50 Cis 1 36 00 02 Os 1730 00 x00 01 lt Alt g
23. file manager window with file command list Main menu OSLM 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 lt Menu gt push button This list contains the following sub lists Function Measurement Display File Instrument Auxiliary Setup and Report Recent Items list Double pressing the lt Menu gt 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 OSLME 22 06 The desired position in menu list is selecting using the lt gt or lt Y gt push buttons Entering selected position HVERT OslM 03 39 After selection of the desired position in the menu list the user has to press the lt ENTER gt push button in order to enter it After this operation a new sub menu option list parameter list or information window appears on the display lt ENT gt List of parameters The parameter list contains parameters for which the user may select the value from the available range Pressing the lt ENTER gt push button enables the user to access the above mentioned sub lists The desired position in a list is accessed after pressing the lt gt or lt 7 gt push button SVAN 979 USER S MANUAL 16 The change of the value in a selected position is
24. for the reaction of the user Any push button should be then pressed except lt Shift gt and lt Alt gt After pressing a push button the instrument returns to the Defragmentation sub list 0OS 171 19 25 7 2 5 Opening file catalogue Open It is possible to open any file or catalogue Osim OSLM from the file catalogue list The user should select the file catalogue and press the lt ENTER gt push button After opening the list of operations select the Open position and press lt ENTER gt again The effect of such operation for the catalogue is the same as opening the catalogue by means of the lt gt push button lt ENT gt Opening the measurement file means that CVLM the measurement results saved in this file will be loaded to the instrument s operation memory and may be reviewed on the screen The results are loading together with Mode and Measurement Function settings but other measurement settings are as before opening the measurement file 7 2 6 Copying file catalogue Copy lt is possible to copy a file or catalogue from the file catalogue list in one memory type to another or from one catalogue of external memory to another catalogue in the same memory It is not possible to copy logger files to the Internal memory since this type of memory does not accept such large files To perform this operation select the file catalogue and press the lt ENTER gt push button After opening the list of op
25. four modes two sound modes Sound Meter and Direct Sound and two vibration modes Vibration Meter and Direct Vibration lt ENT gt Notice In the user manual text the Sound mode or Sound measurements refers to the AN Sound Meter and Direct Sound modes and the appropriate functions dedicated for the measurement and analysis of the acoustic signal Level Meter 1 1 Octave 1 3 Octave FFT the Vibration mode or Vibration measurements refers to the Vibration Meter and Direct Vibration modes and the appropriate functions dedicated for the measurement and analysis of the vibration signal Level Meter 1 1 Octave 1 3 Octave FFT 4 2 Measurement functions of the instrument Measurement Function The main function of the instrument is the measurement of Sound pressure or Vibration broad band level Level Meter The Sound Level Meter SLM function provides the user with functions meeting the standard IEC 61672 2002 for Type1 accuracy and the Vibration Level Meter VLM meeting the standard ISO 8041 2005 The instrument can also be used for medium to the long term acoustic monitoring using the huge capacity data logger in which all the measurement results are stored The user may also use 1 1 1 8 1 6 and 1 12 real time octave band frequency analysis functions These functions extend the main broad band Level Meter functions of the instrument because the selected 1 1 1 12 octave analysis is performed together with all calculations
26. from the logger e the data stored during the measurement in the loggers file SVAN 979 USER S MANUAL The File list contains the following items File Manager enables the user to manage the files saved in the instrument s or on the external memory Setup Manager enables the user to manage the Setup files Save Options enables the user to set the options of the measurement result savings 7 1 Saving files Save and Save Next There are two options for storing result data in the internal or external memory One option is to press the lt Save gt push button right after the measurement has finished Another option is to create lt New File gt in the File Manager window After pressing the lt Save gt push button the Save Results window appears There are two available functions save a OUVLM 22 09 file with the number in the file name SSnECD increased by one every time the new data STS Rent are stored Save Next or save a file with the edited name Save These functions are choosing by means of the lt 4 gt lt gt push buttons CISLM 56 00 11 O1JANO Save Next O ULM 12DECO Save 22 10 The name of the file in which the measurements results are to be saved is displayed above the Save or Save Next text The default name for a file is displayed when first entering this position after power on The default name consists of the day and the month s abbreviation The name is a combination
27. interface real time PC front end application supported RS 232 as option and Bluetooth as standard interface Integration time programmable up to 24h Power supply by four AA rechargeable or standard alkaline batteries Hand held light weight and robust case Easy to use with menu driven user interface Accessories included GRAS 40AE prepolarised 2 free field microphone with nominal sensitivity 50 mV Pa SV 17 microphone preamplifier 7 pin Lemo connector SA 22 foam windscreen SC 16 USB 1 1 cable SC 59 I O cable four AA alkaline batteries SvanPC download and viewing software for Windows 2000 XP Vista Win 8 operating systems Accessories available SA 17A external battery pack using 6 x AA batteries SA 143 carrying case for SVAN 95x and accessories lightweight SA 79 carrying case for SVAN 9xx and accessories waterproof SA 46 carrying belt bag for SVAN 94x and SVAN 95x leather SA 47 carrying bag for SVAN 95x and accessories fabric material SV 55 RS 232 option for the SVAN 955 Firmware options available SVANQ79 SVAN 979 including 1 1 and 1 3 octave analysis SV 979 _4 FFT analysis option for the SVAN 979 SV 979 _5 RT60 option for the SVAN 979 SV 979 _6 Tonality analysis option for the SVAN 979 SV 979_15 Time domain waveform signal recording srt or wav format SVAN 979 USER S MANUAL 9 e SV979_ 16 User programmable second order band pass filters Notice The firmware opt
28. lt 4 gt push button lt gt The upper highest catalogue contains the names and icons of memories available for files SD Card USB Disk and Internal The description of the memory is presented below the memories list Disk Name Free memory and Capacity total memory space E Result file Logger file Setup file aver EJ New file or catalogue 7 2 1 Setting the directory for saving files Set Working Directory In the File Manager window data files are b described by their file name with an extension Catalogue SVN or WAV as well as additional icon and measurement abbreviation SLM S 1 1 etc The names in which the first character is come from the Auto Save function The table with the description of icons is presented here It is possible to assign the default catalogue O1S 171 01 04 OS 171 201 08 for automatically saving logger files and result files To do this the user should choose the required catalogue and press the lt ENTER gt push button After opening the list of operations select Set Working Directory and press the lt ENTER gt push button The new catalogue name will appear at the bottom line of the display Starting from this moment all future measurement files will be saved in this specified catalogue 7 2 2 Creating new catalogue and new file lt is possible to create a new catalogue in OSLM 00 25 the file system on the SDCard or USB Disk To do this the user should select th
29. measurement was not saved in the instrument The question Continue appears with the warning message There are three options Yes No or Save If Yes is chosen the instrument returns to the active mode of result presentation starting the new measurement process If No is chosen the instrument returns to the active mode of measurement result s presentation without starting the new measurement process If Save option is chosen then the measurement results are saved Checking free space on the external disk The Ext Disk free Space position switches on or off the checking of free space on the external memory and generates the warning when the space is lower than Min Free Space Minimum memory free space setting In the line Min Free Space the user can determine the amount of the SD card or USB disk memory free space The selected limit has to be within the range 1 MB 1024 MB If the available memory is not greater than that limit the warning will be displayed Confirmation of parameter changes In the line Save changes the user can switch on the option of confirmation of menu parameter changes after exiting the screen with the parameter list by means of the lt ESC gt push button Windscreen detection lf the Windscreen parameter is switched on the instrument will ask to switch on or off the compensation filter every time the windscreen is removed or put on again The windscreen is detected automatically if the Windscreen para
30. of ASCII characters and cannot exceed eight characters The user can skip editing the files name and immediately start saving the file by simply pressing the lt ENTER gt push button or return to the File list by pressing lt ESC gt To start editing the offered name the user LISLM 00 38 has to select the File Name position and to press the lt 4 gt or lt gt push button The window with the special editing function will open The editing process is presented on the Figure shown here 01JANQ All changes made to the file name during editing are ignored after pressing the lt ESC gt push button and the instrument returns to the File list The edited name is accepted and the instrument returns to the Save Results window after pressing the lt ENTER gt push button The second press of the lt ENTER gt push button saves the file in the working directory A special warning is displayed in case the file with the edited name already exists in the memory The instrument then waits for a reaction from the user any push button should be pressed except the lt Shift gt or the lt Alt gt one O SLM O YLM 00 38 22 19 SVAN 979 USER S MANUAL 57 The simplified editing exists by the addition OVLME 22 09 ae of the next integer number at the end of the nega file The number is automatically increased Save Next by one At the next attempt of saving a new data file the new name is displayed in the File Name line
31. performed by the lt lt gt or lt gt push buttons or pressed together with lt Shift gt Option list The option list consists of different choices from which only one may be selected The selection of the option is performed as follows The user has to highlight the desired option by means of the lt gt or lt 7 gt push buttons and then press lt ENTER gt This option became active and the list is closed When the user re enters this list again the last selected option will be marked If the parameter has a numerical value the user may keep pressing the lt lt gt or lt gt push buttons or pressed together with lt Shift gt longer than 1 second to speed up the selection In this case the parameter starts to change automatically until the user releases the pressed buttons The user may change the numerical parameter value with a larger step usually 10 20 by means of the lt 1 gt or lt gt push buttons pressed together with lt Alt gt Matrix of parameters EISLME103 55 When the list of parameters consists of more than one column the user may change column by means of lt 4 gt or lt gt line inthe same column by means of lt gt or lt Y gt value in a selected position by means of lt 4 gt or lt gt with lt Alt gt all values in the same column by means of lt gt or lt 7 gt with lt Shift gt all values in the same line by means of lt 4 gt or lt gt gt wit
32. press lt Shift gt lt Alt gt and press the arrow push button which refers to the marker to be switched off The current state of the markers is indicated in the logger file cf App B for details and can be used to show them with the help of the dedicated presentation software An example presentation of the markers on the time history plot is shown below to view a plot with markers the user has to transfer data to the appropriate software such as SvanPC SVAN 979 USER S MANUAL 80 70 60 50 40 30 20 e Leq s Marker 1 Marker 2 s Marker 3 s Marker 4 13 30 00 13 30 09 13 30 17 13 30 26 13 30 35 13 30 43 13 30 52 2 2 Input and output sockets of the instrument Top cover of the instrument The measurement input is placed in the centre of the instruments top cover It is the Lemo 7 compatible socket The SV 17 microphone preamplifier has a specially designed matching plug and a locking screw to secure the preamplifier to the meter body The accelerometers have to be connected to the instrument also using the Lemo 7 connector After connecting the preamplifier or the accelerometer cable to the measurement input the screw should be tightened to light resistance only Do not over tighten this connector It is not necessary to remove this preamplifier from the top of the instrument unless the meter is in a calibration laboratory as it is always used close coupled to the me
33. results and to switch the grid on or off 11 10 Setting the parameters of the spectrum presentation Spectrum View The user can select the different spectra to O1S 171 17 57 Os 171 17 58 be visible on the display in the Spectrum View window path lt Menu gt Display Spectrum View In the Spectrum View window the following spectrum types may be selected Averaged Instantaneous Max or Min Averaged P lt P lt lt ENT gt In case when the Averaged or OS 171 01 32 Instantaneous spectrum is selected the user can additionally switch on or off the presentation of the Max and or Min values for every displayed spectrum band by placing or replacing the special character in the displayed inversely line with the Max or Min text by means of the lt 45 lt gt push buttons Averaged NR and NC results view In case of 1 1 octave Sound OS 171 00 27 OS 171 00 27 measurements S 1 1 noise rating NR and noise criterion NC values can be additionally presented in the same plot as main spectrum when the NR or NC parameter is switched on A violet line shows the NR results for the octave bands with central frequencies 31 5Hz 63 0Hz 125Hz 250Hz 500Hz 1 00kHz 2 00kHz 4 00kHz and 8 00kHz A blue line shows the NC results for the octave bands with central frequencies 63 0Hz 125HZz Averaged SVAN 979 USER S MANUAL 94 250Hz 500Hz 1 00kHz 2 00kHz 4 00kHz and 8 00kHz The NR or NC results
34. set the brightness and the switch on off the energy saver function Themes enables the user to set the colour theme of the display 6 1 Selection of the modes of measurement results presentation Display Modes The One Profile mode is always available in all measurement modes Other presentation modes can be switched on or off in the Display Modes sub list CISLM 01 20 Lv VI M M The mode of the results presentation is related to the selection of the instruments function SLM or VLM 1 1 Octave 1 3 Octave etc lt ENT gt SVAN 979 USER S MANUAL 46 For the Sound Level Meter the following display modes are available 1 Prof amp 3 Prof 1 Prof amp Logger 3 Prof amp Logger Statistics File Info Meter Table GPS and Signal Generator For the Vibration Level Meter the following display modes are available 1 Prof amp 3 Prof 1 Prof amp Logger 3 Prof amp Logger File Info Meter Table GPS and Signal Generator One Profile presentation mode The One Profile presentation mode is always available in all measurement modes The display with the measurement result in One Profile mode is presented here Combined presentation modes CISLM 01 50 There are three presentation modes which combine two views and can be activated or not 1 Prof amp 3 Prof 1 Prof amp Logger 3 Prof amp Logger These combined views allow the user to compare results for profiles and to follow the hi
35. start up to occur When the measurement start up is close the icon changes its colour to green 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 searching grey disconnected satellite icon is displayed when GPS is active Colours of the icon define the state of the GPS green active blue fe 8 ae Bluetooth icon is displayed when the Bluetooth is switched on Colours of the icon define the state of the Bluetooth blue connected grey disconnected 3 5 Memory organisation Memory options All available measurement results can be stored in the internal FLASH type memory of the instrument 32 MB or in the external Memory micro SD Card or USB Disk Device settings are kept only in the internal memory Logger wave and event results can be stored only in the external Memory The SD Card external memory is activated automatically after insertion of the card The activation of the USB Disk is needed and is performed in the Communication Ports window of the Instrument menu The File Manager is used for checking the contents of the memory and for operating on result and logger files and catalogues such as open delete copy move rename create new files or catalogues
36. the Battery window there is the USB Power Voltage x xxV message Notice In the case when Battery icon is red it is strongly recommended to use an 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 SVAN 979 USER S MANUAL 18 Prolonging the internal source of the instrument s power can be achieved by reducing the brightness of the screen when possible The settings of Brightness and power saver function may be done in the Screen Setup window path lt Menu gt Display Screen Setup 3 3 Initial Setup of the instrument Switching the instrument on To switch the power on the user should press the lt Alt gt and lt Start Stop gt push buttons at the same time The instrument goes through the self test routine after switching on displaying the manufacturer and the name of the instrument and then it enters the sound mode The default display mode for result presentation is one profile Starting measurement SLM TEL To start the measurements the user has to press the lt Start Stop gt push button The result of the measurement is displayed with the unit of the measurement in so called one profile mode One profile mode is always available for most Functions of the instrument The results of the measurements can also be presented in combined mode In this mode t
37. the measurements 13 5 Visualization of the RT 60 measurements results The RT60 measurement results for all 1 3 octave bands and three Total values can be viewed in three different presentation modes 1 Table of EDT RT20 RT3O and User results 2 Bar plot of EDT RT20 RT30 and User results 3 Plot of sound pressure level decay curves The user may switch between the presentation modes by means of the lt Alt gt and lt gt lt gt gt push buttons Table of RT60 results OS RT60 00 21 Ois RT6O 00 26 The table presents the results of reverberation time for different RT60 results EDT early decay time RT 20 reverberation time calculated with 20 dB dynamics RT 30 reverberation time calculated with 30 dB dynamics User reverberation time calculated with the user defined dinamics Notice If text appears in the RT indicator field it means that for this 1 3 octave band with the selected parameters Noise Mar the required measurement conditions were not fulfilled to obtain the results for more details see Appendix H SVAN 979 USER S MANUAL Bar plot of RT60 results to Oba ee Number of averaged results RT 1 3 octave plot Name of the RT result and its value Used RT60 calculation method Cursor position RT results for Total values Cursor position value central 1 3 octave band frequency Changing the RT result When the field 3 is active the RT60 analisys resul
38. then pressing the lt ENTER gt push button to set and confirm the chosen value SVAN 979 USER S MANUAL 73 The required date can be selected in a special window which is opened HISLME 03 28 after pressing the lt 4 gt lt gt push buttons when the Date text is displayed inversely in the Timer sub list In order to set the correct date the user has to select its position by means of the lt 4 gt lt gt and lt gt lt gt push buttons and then press the lt ENTER gt push button to set and confirm the chosen value 8 14 Checking the instrument s vibration Self Vibration CISLM 03 54 The Self Vibration position enables the user to check the self vibration levels of the instrument lt ENT gt 8 15 Signal generator activation Signal Generator The Signal Generator position enables the CISLM 00 34 Osim 00 34 user to switch on the signal generator function The settings of the generated signal are made in the Signal Generator presentation mode see Display menu description lt ENT gt 8 16 Parameters of remote communication Wireless Transfer The Wireless Transfer position enables the OSLM 00 48 CISLM O5 11 user to select the network type and set the parameters of the data transmission lt ENT gt 8 16 1 Selection of the network type Network SVAN 979 USER S MANUAL It is possible to select one of three options Off GPRS and Modbus Depending on the
39. there is no SD Card or USB Disk connected to the instrument then there is no possibility to create logger files In such cases the Logging position in the Measurement list is not active The Logging position also becomes inactive if the internal memory was set as the working directory see below Result files can be saved manually and automatically Setup files are saved manually and Logger files are always saved automatically as long as there is a micro SD card or a USB memory attached to the meter Each file consists of certain elements which are the same for all kinds of files e a file header e the unit and firmware specification e the user s text stored together with the measurement data e the parameters and global settings e the special settings for profiles e the marker of the end of the file Other elements of the file structure depend on the type of the file SLM VLM 1 1 Octave 1 12 Octave logger and on the setting of Save Statistics oath lt Menu gt File Save Options Save Statistics These elements are as follows e the main results e the results coming from 1 1 Octave 1 12 Octave analysis e the results coming from FFT analysis e the statistics header e the results of statistical analysis e the header of the statistical analysis performed in 1 1 Octave 1 12 Octave analysis e the results of the statistical analysis performed in 1 1 Octave 1 12 Octave analysis e the header of the file
40. this case as already stated in the description of the Save Next function When the Auto Save option is selected it is also possible to automatically save Meteo results For this purpose it is necessary to switch the Save Meteo option on Saving maximum and minimum values in the spectrum The Save Max Spectrum and Save Min Spectrum positions enable the user to save the highest and lowest values of the Instantaneous spectra calculated with 100 milliseconds time step in 1 1 Octave 1 12 Octave analysis which occurred during the Integration Period set in the Measurement list path lt Menu gt Measurement General Settings Integration Period To see the Max or and Min values on the display during the real time 1 1 Octave 1 12 Octave analysis measurement the user has to activate the option in the Display list path lt Menu gt Display Spectrum View Max and path lt Menu gt Display Display Modes Spectrum Mi CISLM 01 04 M M lt x M SVAN 979 USER S MANUAL 66 8 SETTINGS THE INSTRUMENT PARAMETERS Instrument The Instrument list contains different sub pUISLM 21 05 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 lt Menu gt push button select the Instrument position and press lt ENTER gt CISLM 02 32 lt ENT gt In the Instrument list the following item
41. two options for storing result data in the internal or external memory One option is to press lt Save gt push button right after the measurement finishes Another option is to create lt New File gt in the File Manager After pressing the lt Save gt push button OSLME 00 31 the Save Results window appears In the Save Results window the user can enter a name for the result file or choose automatic name generation option OLJAN Save Next lt Save gt The measurement configuration Setup files can be stored also by means of lt S P gt push button and by creating the lt New File gt in the Setup Manager list The logger wave and event files are created automatically in the assigned directory on the external memory driver SVAN 979 USER S MANUAL 22 4 FUNCTIONS OF THE INSTRUMENT Function Cis 1730121 39 In order to select the Function list the Os 173 23 07 user has to press the lt Menu gt push button select the Function text and press lt ENTER gt The Function list contains three elements Mode Measurement Function and Calibration lt ENT gt The Function list consists of Mode enables the user to select the sound or vibration mode of the instrument Measurement Function enables the user to select the measurement function of the instrument Calibration enables the user to perform a calibration of instrument s measurement channel 4 1 Selecting the mode of the instrument Mode The device can work in
42. 01 37 1s gt lt 00 00 10 Inf Lin 6H 18H SVAN 979 USER S MANUAL 45 6 DATA AVAILABLE ON THE DISPLAY Display The Display list contains the elements that OSLM 02 08 enable the user to independently programme the display parameters The content of the Display list differs for different modes and functions Below are examples of the Display list for the modes VLM S 1 1 and V 1 1 OYLM O02 11 OS 171 OV 171 O2 11 The Display list is used for setting the various parameters which are dedicated to the control of the LCD screen display 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 Min spectrum This position appears only in 1 1 Octave 1 12 Octave modes Spectrum Type enables the user to change the spectrum type presented on the display Acceleration Velocity and Displacement This position appears only in 1 1 Octave 1 12 Octave modes when the Vibration Meter mode is selected Logger View enables the user to select and present the results stored in the logger s files Spectrum Compare enables the user to compare spectrum with the reference one This position appears only in 1 1 Octave 1 12 Octave modes Screen Setup enables the user to
43. 10 to be calculated displayed and saved in the files together with the main results O SLM 20 42 42 The default statistical levels have the following settings 10 20 30 40 50 60 70 80 90 and 95 All values have to be within the integer range 1 99 Each individual value can be set independently from the others The selection of the Nx in the list is made by means of the lt gt lt 7 gt push buttons The first Nx is visible on the display and becomes active for editing after pressing the lt gt push button together with lt Shift gt The last Nx is visible on the display and becomes active for editing after pressing the lt gt push button together with lt Shift gt The Nx current value is decreased increased in 1 steps by means of the lt 4 gt lt gt push buttons The step can be decreased increased up to ten by simultaneously pressing the lt lt gt lt gt gt push buttons with lt Shift gt The sub list is closed and the instrument returns to the Measurement list after pressing the lt ENTER gt with the confirmation of all changes made in this list or lt ESC gt push button ignoring all changes 5 10 Programming the instrument s internal timer Timer The Timer position enables the user to programme the internal real time clock to act as a delayed start and stop timer The instrument can be switched on automatically at the pre selected programmed time
44. 9 Continuous 48kHz OsLM 05 33 On Trigger 48kHz Slope lt 37 OSLM 00 57 On Trigger 48kHz Off k lt CiISLM 05 34 On Trigger 48kHz External x 10s M The Source position only indicates the triggering signal source Only one measured result can be used as a source of the triggering signal in all modes namely the output signal from the RMS detector coming from the first profile which is denoted here as RMS 1 This position does not become active it is not displayed inversely and the text shown here remains unchanged After pressing the lt 7 gt push button the Source line is skipped The level of the triggering signal for recording Level can be set in a range from 24dB to 136 dB with 1 dB step In the case of Vibration measurements the level can be expressed not only in decibels but also in linear units The vibration unit scale can be set in the Display Scale window path Menu Display Display Scale Scale CISLM 05 36 On Trigger 48kHz Slope M In the Trigger Period position it is possible to select the time interval of checking the triggering conditions This parameter can be set on 0 5ms 100 0ms and 1s In the Rec Time position it is possible to select the time of signal recording after triggering If another triggering condition that satisfies the selected conditions appears then the signal will be recorded for an additional Rec Time The available val
45. 9 12 10 Selection of the Spectrum Type in Vibration mode Spectrum Type Setting filter coefficients for 1 1 Octave 1 12 Octave analysis Spectrum Based Filter Setting the parameter for spectrum comparison Spectrum Compare FFT ANALYSER Selection of FFT analysis mode Selecting the parameters of FFT analysis Measurement range selection Range Setting the parameters of FFT analysis FFT Saving of FFT analysis results Logger Results Display options in FFT analysis mode Presentation of FFT analysis results Setting the scale of spectrum presentation Scale Setting the parameters of the spectrum presentation Spectrum View Selection of the Spectrum Type in Vibration mode Spectrum Type 94 94 95 98 98 98 98 99 99 99 100 100 102 102 SVAN 979 USER S MANUAL 7 1 INTRODUCTION The SVAN 979 is ab all digital Type 1 Sound amp Vibration level meter SLM and VLM as well as a real time 1 1 1 3 1 6 or 1 12 octave analyser The instrument is designed for general acoustic and vibration measurements environmental monitoring occupational health and safety monitoring Three acoustic or vibration user configurable profiles allow parallel measurements with independently defined frequency filters and RMS detector time constants Each profile provides a significant number of results like Spl Leg Sel Lden LEPd Ltm3 Ltm5 LN LR15 LR60 Ovi Peak Max Min in case of sound measurements or RMS Ovl Pe
46. Aver Lin Filter Z 3k F 168 7 500Hz CIS FFT 00 46 x00 01 Filter Z FFT Aver Lin 80 60 40 20 F 1687 900Hz OS FFTL 17 24 X00 01 FFT Aver Lin Filter Z Band 20kHz SVAN 979 USER S MANUAL 102 12 9 Setting the parameters of the spectrum presentation Spectrum View The user can select the different spectra to US FFT E100 58 be visible on the display in the Spectrum View window path lt Menu gt Display Spectrum View In the Spectrum View window the following spectrum types may be selected Averaged Instantaneous Max or Min The Max or Min spectra can be also superimposed on the Averaged or Instantaneous spectra Instantaneous When the Averaged or Instantaneous OS FFT amp 01 02 spectrum is selected the user can additionally switch on or off the presentation of the Max and or Min values for every displayed spectrum band by placing or replacing the special character in the inversely displayed line using the lt lt gt lt gt push buttons To switch the cursor to read the Max or Min OS FFT amp 03 18 OS FFT amp 03 18 values the user should select the field in the ter 2 lower left hand corner of the display by means of the lt gt lt gt push buttons Then select the appropriate value by means of the lt 41 gt lt gt push buttons pressed together with lt Alt gt Averaged The view of the spectrum screen can be oom adjusted quickly without the measurement Aver
47. Discrete Inputs structure It is not recommended to use this option alongside with Mb H Reg Map option e Mb H Reg Map selecting this option enables result mapping During measurement on going results will be placed in Holding Registers starting from appointed address It is not recommended to use this option alongside with Modbus CMD option e Mb Map Index denotes address from which result map will be placed during measurements lt ENT gt SVAN 979 USER S MANUAL 78 8 17 Checking specification of the instrument Unit Label CISLM 00 47 The Unit Label enables the user to check information about the model number of the instrument its serial number the current firmware version installed in it and the appropriate standards which the instrument complies with lt ENT gt Notice The contents of the Unit Label screen should always sent to Svantek s service AN department or official representative in case of any problems faced by the user during the instrument s normal operation in the field SVAN 979 USER S MANUAL 9 AUXILIARY SETTINGS Auxiliary Setup The Auxiliary Setup list contains positions directly related with sound or vibration measurements and not related to the hardware components of the instrument In order to view the Auxiliary Setup list the user has to press the lt Menu gt push button select the Auxiliary Setup text and press lt ENTER gt In the Auxiliary Setup list the follo
48. ER gt push button 10 00m si 4 3 5 History of the calibrations Last Calibration SVAN 979 USER S MANUAL The Last Calibration window displays records from up to the ten last calibration records In order to review the calibration records the user has to select the required line in the Last Calibration window and press lt ENTER gt The opened window will contain the date and time of the performed calibration measurement the way the calibration was done Calibr by Measurement or Calibr by Sensitivity the desired calibration level Cal Level in the case of the measurements and the obtained calibration factor Cal Factor If calibration measurements were not performed the Last Calibration window does not contain any previous calibration records The content of this window is cleared after selection of the default Factory Settings operation 4 3 6 Clear calibration records Clear Calibr History The user can clear all stored calibrations records In order to do this the user has to choose the position Clear Calibr History in the Calibration sub list and press lt ENTERs gt to perform this operation The instrument requests the confirmation of the operation The next pressing of the lt ENTER gt push button when the No option is selected closes the window and returns the instrument to the Calibration sub list After Clear Calibr History operation has been performed the Calibration History window does not cont
49. Period parameter This function optimises the memory of the instrument Each recording of the Statistics set requires 600 bytes of the memory Ten pre defined selected Statistical levels are always saved with the main results Direct access to the Save Save Next function The Quick Save option enables the user to select the instrument s next operation after simultaneously pressing the lt ENTER gt and lt Alt gt push buttons at the end of a measurement If this option is not active after pressing these push buttons the Save window is accessed if the measurements are not performed If the option is active after pressing the lt ENTER gt and lt Alt gt push buttons the results are saved in the file with the automatically incremented name Pressing the lt ENTER gt and lt Alt gt push buttons during the execution of a measurement causes disregarding the option set in the Quick Save position the error message Measurement in Progress to be displayed Measurement results saving Using the Auto Save the user can set the self saving of the measurement results This function optimises the memory of the instrument when the self saving is not necessary and is useful for on going regular measurements The Auto Save function can be performed only in case when the Integration Period value path lt Menu gt Measurement General Settings is not less than 10 seconds If it is less than 10 seconds the measurement results are not
50. SVAN 979 Sound amp Vibration ANALYSER USER S MANUAL SVANTEK Sp z 0 0 WARSAW June 2012 SVAN 979 USER S MANUAL 2 A Notice This user s manual presents the software revision named 1 26 3 cf the description of the Unit Label position of the Instrument list The succeeding software revisions marked with the bigger numbers can slightly change the view of some displays presented in the text of the manual SVAN 979 USER S MANUAL CONTENTS 1 INTRODUCTION 7 1 1 SVAN 979 as Sound Level Meter amp Analyser Error Bookmark not defined 1 3 SVAN 979 as Vibration Level Meter amp Analyser Error Bookmark not defined 1 5 General features of SVAN 979 Error Bookmark not defined 1 7 Accessories included Error Bookmark not defined 1 9 Accessories available Error Bookmark not defined 1 11 Software options available Error Bookmark not defined 2 MANUAL CONTROL OF THE INSTRUMENT 10 2 1 Control push buttons on the front panel 10 2 2 Input and output sockets of the instrument 13 3 SETTING THE INSTRUMENT 15 3 1 Basis of the instrument s control 15 3 2 Powering of the instrument 17 3 3 Initial Setup of the instrument 18 3 4 Description of icons 19 3 5 Memory organisation 20 4 FUNCTIONS OF THE INSTRUMENT Function 22 4 1 Selecting the mode of the instrument Mode 22 4 2 Measurement functions of the instrument Measurement Function 22 4 3 Instrument s calibration Calibration 23 4 3 1 Calibration by
51. Settings window ey urren path lt Menu gt Instrument Wireless Transfer E mail Settings 100 0dB VI Lv 8 10 Setting the microphone polarisation voltage Polarisation Voltage The Polarisation Voltage position enables EELEE Osim 22 00 the user to choose polarisation voltage of the instrument s microphone O Two options are available OV and 200V The selection is made by marking the required position by means of the lt lt gt lt gt push buttons lt ENT gt 8 11 Remote control mode configuration Remote Control Mode SVAN 979 USER S MANUAL 72 The Remote Control Mode position enables the user to activate the Remote Control mode In this mode the messages that require manual action from the user will stop being shown after 5 seconds This mode is helpful when the instrument is configured for remote monitoring during which there is usually nobody present who can control the instrument manually By enabling the Remote Control mode the instrument s normal operations will not be interrupted by displaying these messages 8 12 Setting the parameters of the serial interface RS232 The RS232 position enables the user to aE LEE Osim 22 22 programme the RS 232 interface Sa transmission speed Baud Rate and to set 1s the time limit during which the communication operation should be performed Time Out Setting the transmission speed of the serial interface The RS 232 i
52. Spectrum Compare option is available for 1 1 Octave and 1 3 Octave analysis It enables the user to compare two spectra Both spectra will be presented on the display lt ENT gt The file with the spectrum assumed as the reference one has to be saved in the instruments memory Then the Spectrum Compare function should be activated and a file with the reference spectrum should be selected in the File Name position of the RMS Spectrum window or the LN Spectrum window if statistics in sound mode are to be taken into comparison Then the user has to start second measurement and the spectrum from the reference file and the spectrum currently calculated will be compared Spectrum comparison may be performed in the following way 1 Select the 1 1 Octave or 1 3 Octave measurement function path lt Menu gt Function Measurement Function 2 Make proper measurement settings like integration period measurement range filter band etc path lt Menu gt Measurement General Settings If statistics are taken into comparison LN Spectrum option available for sound mode for the 1 1 Octave or 1 3 Octave analysis the user should activate the Save Statistics option for both measurements path lt Menu gt File Save Options 3 Perform a reference measurement and save the reference spectrum 4 Activate Spectrum Compare lt Menu gt Display Spectrum Compare RMS LN Spectrum Select the file with the reference spectrum in t
53. able 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 increased up to 16 h 4 8 V 2 6 Ah e USB interface 500 mA HUB For each of the three kinds of 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 Battery icon is presented on the top line of the display When the 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 unscrew and take off the black bottom cover of the instrument slide the battery tubes out change the batteries taking care to observe the correct polarity and reassemble the parts of the instrument A fully charged set of 4 batteries ensures more than 12 hours of continuous operation of the instrument with Dim LCD switched on 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 cable to a PC the Computer icon is presented on the top of the display and in
54. aged to be stopped After press the lt ENTER gt i push button the Spectrum View list is A displayed The user may make necessary adjustments and return to the Spectrum view after confirmation of the changes by pressing the lt ENTER gt push button 12 10 Selection of the Spectrum Type in Vibration mode Spectrum Type The user can select the different type of vibration spectrum to be presented on the display in the Spectrum Type window path lt Menu gt Display Spectrum Type The Spectrum Type position is available only for Vibration modes and the following spectrum types can be selected in the Spectrum Type window Acceleration Velocity or Displacement lt ENT gt SVAN 979 USER S MANUAL 103 13 RT 60 MEASUREMENT OF THE REVERBERATION TIME The RT 60 analysis mode is an optional function of the SVAN 979 instrument which provides reverberation time calculation for 1 3 octave bands from 31 5 Hz to 10 kHz and three total RMS levels A C and Z weighted Whole measurement process and calculations implemented in the SVAN 979 instrument fulfil the ISO 3382 standard The reverberation time of the room can be obtained with the use of the SVAN 979 instrument by two measurement methods Impulse Impulse Response Method and Decay Interrupted Noise Method The selection of the method depends on the type of the sound source utilized by the user The Impulse method is designed for measurement utilizing the impulse sound
55. ain any more records lt ENT gt 27 APLCISLM amp 21 33 APLCISLML 21 26 APLISLM amp 21 23 Notice Both acoustic and vibration calibration histories are stored in the same memory so clearing the calibration history when in the vibration mode will also clear all acoustic calibration history information as well SVAN 979 USER S MANUAL 28 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 lt Menu gt push button select the Measurement text and press lt ENTER gt CISLM 22 09 CISLM 18 24 lt ENT gt The Measurement list contains the following items General Settings enables the user to set various general measurement parameters Measure Trigger enables the user to set up the measurement trigger Profiles enables the user to program the profile configuration parameters Logging enables the user to program the time history logging function Spectrum enables the user to set spectrum analysis parameters Compensation Filter enables the user to switch on required microphone compensation filter Range enables the user to set the correct measurement range Exposure Time enables the user to set the daily exposure time for dose results Statistical Levels enables the user to define 10 statistical LN levels Timer enables the user to program the internal del
56. ak P P VDV MTVV in case of vibration measurements Advanced time history logging for each profile provides complete information about the measured signal using the external SD card or USB Memory Stick and can be easily downloaded to any Windows PC using the USB interface and SvanPC software All required frequency weighting filters e g A B C G Z in case of sound measurements and Wh in case of vibration measurements including the latest ISO 2631 1 amp 2 standard are available with this instrument General vibration measurements acceleration velocity and displacement and Human Vibration Measurements HVM meeting ISO 8041 2005 standard are also available The RMQ detector enables direct measurement of the Vibration Dose Value VDV Using the computational power of its digital signal processor the SVAN 979 instrument can simultaneously to the meter mode perform real time 1 1 Octave 1 3 Octave 1 6 Octave or 1 12 Octave analysis including the calculation of 10 x LN statistical levels The following functions are also available as options FFT analysis Tonality analysis Reverberation Time RT60 measurements AEM measurements and User programmable second order band pass filters Time history logging of 1 1 Octave 1 3 Octave 1 6 Octave 1 12 Octave and FFT analysis is also provided Time domain waveform signal recording on the external SD card or USB memory stick is available to capture the raw input signal Advanced t
57. alue of the measured signal When this option is selected the value of the Leq Lden LEPd LN and Sel functions do not depend on the detector time constant Fast Slow or Impulse 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 selecting Exp enables the user to fulfil the requirements of another standard for the time averaged Leq measurements When this option is selected the value of the Leq Lden LEPd LN and Sel function depends on the detector time constant Slow Fast Impulse The results are displayed with the indicator of the detectors selected in the profiles path lt Menu gt Measurement Profiles Day time limits selection The Day Time Limits position enables the user to select the definition of the day and night periods required by the local standards These limits are used for the calculation of the Lden function cf App D for the definition Two options are available 6H 18H and 7H 19H 5 2 Measure trigger parameters selection Measure Trigger The Measure Trigger sub list enables the user to set the parameters for the measure trigger The Measure Trigger is a context sub list in which the triggering can be switched off or on Trigger when the source of the triggering signal can be determined Source using its level Level and sometimes also the speed of changes
58. and perform the measurement with the same settings used before the instrument was 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 with the period between two consecutive measurements set in the Repetition line In the case where the timer function is active Single or Multiple and the OiSLM 20 42 CISLM 20 08 Multiple 00 00 01 Dec 24 00 SVAN 979 USER S MANUAL 43 instrument is switched on the clock icon appears until the measurements are finished Setting the time for the measurement to CiSLM20 10 start Single 00 00 01 Dec The Start Hour position determines the time for the measurement to start The required hour and minute can be selected in a special window which is opened by means of the lt 4 gt lt gt push buttons lt gt In order to set hours or minutes the user has to enter the left or right field by pressing the lt 4 gt lt gt push button and then select the proper value by means of the lt gt lt 7 gt push buttons and finally to press lt ENTER gt Setting the day for the measurement to Os 171 03 08 start The Start Day position determines the date for the measurement to start The timer can be programmed up to one month ahead and during the date setting the current state of the Real Time Clock RTC is taken into ac
59. ave gt lt ESC gt lt Cal gt lt S P gt lt 11 gt lt gt lt 1 gt lt gt lt 4 gt lt gt eo gt lt gt to start or stop the measurements the user has to press it simultaneously with the lt Shift gt push button This can prevent accidentally starting or stopping a measurement at the wrong time by just brushing against the Start Stop button on its own Notice Changing the lt Start Stop gt push button mode is performed in the Keyboard Settings window of the Instrument list see description of the Instrument list This push button enables the user to enter the selected position shown on the screen Menu list or to confirm selected settings Some additional functions of this push button will be described in the following chapters of this manual This push button pressed together with lt Shift gt enables the user to enter the main list containing seven sub lists Function Measurement Display File Instrument Auxiliary Setup and Report Each of the above mentioned menu lists consists of 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 lt Menu gt push button enters a 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 most frequently used sub lists for easy navigation This push button pressed together with
60. ay start stop timer The content of the Measurement list is Os i71 20 11 Ovii71 04 23 different for different Mode and Measurement Function and other settings The Measurement lists for Direct Sound and Direct Vibration modes are identical to Sound Meter and Vibration Meter modes accordingly Some examples for different modes and measurement functions are presented Any parameter in the Measurement list can be changed only when the VLM 01 06 instrument is not currently executing a measurement The parameters are displayed with grey colour The blinking icon on the top row indicates that the instrument is performing a measurement 5 1 Selection of measurement parameters General Settings The General Settings list consists of the 02 36 02 38 following parameters the delay of the start of 5 5s measurements Start Delay the integration g period measurement run time 00 00 01 00 00 01 Integration Period the repetition of the 4 4 measurement cycles Repetition Cycles the yet a RMS detector type RMS Integration and the intervals for day time period Day Time Limits in SVAN 979 USER S MANUAL 29 case of Sound modes Setting time delay before the start of measurements 02 36 The Start Delay position defines the delay period from the moment the Os lt Start Stop gt push button is pressed to the start of the actual So ok a 00 00 01 measurements the digital filters of the instrument constantly analyse the
61. beration time measurement ISO standard Notice The default measurement time of the decay curve registering Recording Time is AN 7 seconds It can be insufficient in some applications It is recommended to set this value to be at least two times longer than expected reverberation time For details see Appendix H Switch on the sound power source S RT60 00 30 x00 01 Start the measurement process by pressing the lt Start Stop gt push button 6 Switch off the sound power source the source should work enough long to obtain the acoustic field stabilisation After the trigger condition fulfilment the instrument starts to collect data 7 After the data recording process ends the instrument starts the S RT60 200 32 calculation of the reverberation time results During this process the message Reading Logger appears 8 To save results press the lt Save gt push button or use the File menu option OS RT60 00 33 Notice It is necessary to switch on the sound source before starting the measurement because AN of the trigger requirements for more details see Appendix H If there it is necessary to start the instrument before switching on the sound source it is recommended to use the higher Start Delay value Measurements with the use of Impulse method LIS RT60 amp 00 46 1 Set parameters for Impulse RT60 measurements Most used setup is Impulse presented below 1s e Method Impulse Paes e Recording Time TS
62. bles the user to select the network type and set the parameters of the data transmission enables the user to check information about the type of the instrument its serial number the current firmware versions installed in it and the standards which the instrument complies with 8 1 Checking the state of the internal battery Battery The Battery position enables the user to check the internal battery CISLM 02 32 condition The instrument can be powered from an external dc power supply from the external battery pack from four AA rechargeable or standard alkaline batteries or from the USB interface when its USB Device socket is connected by means of the cable to a PC or suitable USB power supply SVAN 979 USER S MANUAL 67 The view presented on the display for each OSLM 03 18 of three kinds of possible power sources is different The current battery voltage is displayed together with its approximate state in graphical format Alkali aline When the instrument is powered from a set of internal batteries the user should select the correct type It is essential for the correct detection of the true capacity of the battery pack Two types are available Alkaline and Rechargeable 8 2 Bluetooth activation Bluetooth The Bluetooth position enables the user to LISLMEL02 46 key in the authorisation code to pair a PC or suitable tablet or smartphone and the instrument If the Visible parameter is switched on then
63. buttons with lt Shift gt to move straight to the first or last displayed band on screen Switching on off spectrum table view OV 171 02 00 OV 171223 41 The Spectrum Table position is accessible in 1 1 Octave 1 12 Octave function path lt Menu gt Function Measurement Function gt Statistics presentation mode Os 171 02 03 The Statistics position is accessible only for Sound measurements Statistics is the cumulative probability density 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 Y axis defines the calculated noise level in dB Field description of the Statistics view 1 Function name 2 Statistics plot 3 Statistical level LN percentile value for the active cursor position 4 Active profile P1 P2 or P3 5 RMS detector Lin or Exp Fast Slow or Imp 6 Frequency filter used A C or Z 7 The sampling interval for the LN values calculated by the meter 0 1 s 8 Cursor position 9 Value of the selected statistical level 173 00 00 Z00 01 SVAN 979 USER S MANUAL LN and units dB The change between positions is made by pressing the lt gt or lt Y gt push buttons When position is chosen its value is changed by pressing the lt 4 gt and lt gt push buttons simultaneously with lt Alt gt When the LN field is active the user may change the
64. calibration measurement by pressing the lt Start Stop gt push button The calibration measurement starts after PULM 20 35 OVLM00 40 3 seconds delay The measurement time is also predefined to 3 seconds During the calibration period the lt ESC gt and lt Pause gt push buttons do not operate but it is possible to stop the measurement using the lt Start Stop gt push button It is not recommended to stop the calibration measurement before the pre programmed 3 seconds period Waiting for the calibration measurement the Delay is counted down on the display After the end of the measurement the result is displayed in the bottom line lt is recommended to repeat the calibration measurement a few times to ensure the integrity and stability 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 accelerometer is not properly attached to the calibrator e there are external disturbances e the calibrator or the measurement channel the accelerometer or the instrument itself are damaged Notice During the calibration measurement the external disturbances vibrations or acoustic AN noise should not exceed a value of 1 10 of the level of the calibration level signal being used dB 5 Press lt ENTER gt in order to accept the measurement result The calibration factor is calculated stored and displayed after pressing the lt ENT
65. centre frequencies 1 Hz 16 kHz Type 1 IEC 1260 1 3 Octave 45 filters with centre frequencies 0 8 Hz 20 KHz 1 6 Octave 90 filters with centre frequencies 0 73 Hz SVAN 979 USER S MANUAL 8 1 2 21 4 kHz and 1 12 Octave 180 filters with centre frequencies 0 71 Hz 22 kHz real time analysis all with Type 1 IEC 1260 filters SVAN 979 as a Vibration Level Meter amp Analyser General Vibration measurements acceleration velocity and displacement and optionally HVM meeting ISO 8041 2005 and ISO 10816 1 standards in the frequency range depending on the parameters of the attached accelerometer i e with DYTRAN 3185D general purpose transducer is equal to 2Hz 20 kHz parallel RMS VDV MTVV or Max Peak Peak Peak measurements Z HP1 HP3 HP10 Vel1 Vel3 Vel10 VelMF Dil1 Dil3 Dil10 Wh weighting filters 1 1 Octave 15 filters with centre frequencies 1 Hz 16 kHz Type 1 IEC 1260 1 3 Octave 45 filters with centre frequencies 0 8 Hz 20 kHz 1 6 Octave 90 filters with centre frequencies 0 73 Hz 21 4 kHz and 1 12 Octave 180 filters with centre frequencies 0 71 Hz 22 kHz real time analysis with all Type 1 IEC 1260 filters General features of SVAN 979 Advanced Data Logger including spectrum logging on the micro SD card or USB Memory Stick providing almost unlimited logging capacity Time domain waveform signal recording option Advanced trigger and alarm functions USB 1 1 Host amp Client
66. condition can be calculated multiplying the value set in the Pre or Post positions by the value set in the Logger Step positions path lt Menu gt Measurement Logging Logger Setup The result of the calculation is presented in the same line at the right side of the display 5 4 4 Event recording setup Event Recording The Event Recording position enables the OSLM 20 49 user to activate and set the parameters of event waveform signal recording on the external memory SD Card or USB Disk The Events position if it is not Off defines the type of events recording Continuous or On Trigger 36 C VLM 00 45 Level 10 0 mi s2 O OmOOs O OmOOs CISLM 00 50 Level 100dB 4 0m10s 8 OmOOs SVAN 979 USER S MANUAL The Audio Sampling position enables the user to select the sampling frequency of the event recording 12KHz 24kHz and 48kHz When On Trigger event recording is chosen then additional positions appear which enable the user to programme the trigger conditions for the event recording In the Trigger position the following options are available Off Slope Slope Level Level and External The Trigger on Marker position switches on or off the triggering by marker When Trigger On Marker is switched on then event recording will start by initiation of one of the user controlled markers Markers for triggering are defined in the Markers Setup window OSLM 21 1
67. confirmation question is displayed after the printing if the Prompt parameter was selected in the Eject Page position path lt Menu gt Report Options The user has to answer in this case if the paper in the printer has to be ejected to the new page SVAN 979 USER S MANUAL 86 The similar message is displayed after sending out the statistics of the results and user filters to the printer Print Statistics and Print User Filters The message about the time limit is displayed if the printer or a PC is not connected or there is any other reason that it does not receive the data The instrument waits for the reaction of the user any push button should be pressed except lt Shift gt and lt Alt gt and after pressing a push button it returns to the Report list Another message is presented and the instrument waits for the reaction of the user if there is no data to be printed 10 2 Printing the statistics of sound measurement results Print Statistics The Print Statistics position enables the user to print the results of the LISLM E117 00 Statistics analysis on the attached printer This position is not accessible for the Vibration measurements 10 3 Printing the coefficients of the user filters Print User Filters The Print User Filters position enables the OSLM 17 05 user to print out the values of the user filters introduced in the instrument S1 S2 S3 The contents of the selected file is sent out to the attache
68. count The required date can be selected in a special window which is opened by means of the lt 4 gt lt gt push buttons In order to set date the user has to select its position by means of the lt 4 gt lt gt and lt gt lt Y gt push button and then press lt ENTER gt Selecting the period between two HVETE consecutive measurement start times SERTE ultiple ae aa 00 00 The Repetition position is displayed when 01 Dec the Multiple mode is selected This 54 00 parameter can be programmed in the range from 00 00 up to 99 59 The required time can be selected in a special window which is opened by means of the lt gt lt gt push buttons when the Repetition text is displayed inversely in the Timer sub list In order to set the proper value the user has to select hours or minutes pressing the lt 4 gt lt gt gt push buttons and then pressing the lt gt lt 7 gt push buttons to select the proper value Notice The instrument s Timer function can be used for multiple measurements at the programmed day and time with the selected repetition number The first switch on and recording of the instrument must be within one month ahead Make sure that the RTC is set correctly before trying to set a value for a delayed Start Stop Timer Notice Make sure that there is sufficient power available for the instrument to carry out the required measurement when it wakes up and star
69. ctave In case of a low pass filter the user has to determine the HFC 3dB parameter which denotes the HFC High Frequency Corner of the Rx filter Cowpase The amplitude of the input signal is attenuated by half at this frequency The 10 00 kHz available values are from 100 Hz to 10 0 kHz In case of a high pass filter the user has to determine the LFC 3dB parameter which denotes the LFC Low Frequency Corner of the Rx filter Highpace The amplitude of the input signal is attenuated by half at this frequency The 10 0 Hz available values of the LFC are from 10 Hz to 10 0 kHz 9 5 Selection of the Vibration units Vibration Units The Vibration Units position enables the OVLM 03 34 OVLM 02 04 user to select the units for the Vibration measurements this position is available only in the Vibration modes Q It is possible to select the Non Metric e g g ips mil etc or Metric units e g m s m s m etc lt ENT gt 9 6 Warnings setup Warnings The Warnings sub list enables the user to OVLNE103 34 EI VLM 51 02 48 select the messages which may be displayed during the normal operation of the instrument 32MB P lt VI P lt SVAN 979 USER S MANUAL Saving the measurement results in a file When the Results Not Saved position is set to be active a special warning can be displayed after pressing the lt Start Stop gt push button It will happen in a case when the result of the previous
70. d printer or to a PC after pressing the lt ENTER gt push button The following message is displayed during the printing lt ENT gt 10 4 Selection the printing options Options The Options list enables the user to select LISLME 17 08 the format of the listing Format the way the paper is ejected in the printer Eject Page and to edit the title of the report Title lt ENT gt SVAN 979 USER S MANUAL 87 Selection of the format of the print out The Format position enables the user to select the format of the listing A4 and A5 options are available Controlling the paper ejection after print out The Eject Page position enables the user to control the ejection of the paper after the listing is done The following options are available Prompt the instrument asks whether to eject the page after printing report Statistics or catalogue Auto after printing the paper is ejected automatically and None the paper is not ejected after printing In particular it is possible to have one result after another using the None or Prompt options The request is displayed after printing the measurement results statistics or filters Print Results Print Statistics Print User Filters if the Prompt parameter was selected in the Eject Page position The user has to answer in this case if the paper in the printer has to be ejected to the new page After pressing lt ENTERs gt the instrument returns to the Report list Th
71. d then press lt ENTER gt The calibration factor is calculated after pressing the lt ENTER gt push button in relation to the nominal value of 50 0 mV Pa In order to exit the calculation the user has to leave the Calibration sub list by pressing lt ESC gt For a microphone sensitivity higher than 50 0 mV Pa_ the calibration factor will always be negative For a microphone sensitivity lower than 50 0 mV Pa the calibration factor will always be positive The lowest available value of the sensitivity that can be introduced is equal to 50 0 uV Pa it conforms to the calibration factor equal to 60 0 dB and the highest value is equal to 50 0 V Pa calibration factor is equal to 60 0 dB In order to return to the Calibration sub list the user has to press the lt ESC gt push button 4 3 2 Calibration by Sensitivity in case of Vibration signal Calibration by using the accelerometer s published sensitivity information can be performed in the following way 1 Select this type of calibration highlight the Calibr by Sensitivity text from the Calibration sub list and press the lt ENTER gt push button 2 Set the sensitivity of the accelerometer taken from its calibration certificate using the lt Shift gt with lt 4 gt lt gt push buttons and then press lt ENTER gt The calibration factor is calculated after pressing the lt ENTER gt push button in relation to the nominal value of 10 0 mV ms In
72. ding for the logger in 1 1 Octave 1 12 Octave analysis Logger Trigger In the Level Meter mode only the Leq result for Sound and RMS for 0OsS 171 amp 18 22 Vibration measurements from the first profile Leq 1 RMS 1 is used for F triggering the measurement results recording for the logger of the Leali instrument The Source position in the Logger Trigger window is not 100dB accessible in that mode However in 1 1 Octave 1 12 Octave analysis it is 0 5ms possible to access the above mentioned position and to make a selection of Aone a specific filter band for triggering purposes For example the results coming from the output of the 1 1 Octave filters LdS1171 beh 18122 125 Hz 250 Hz 500 Hz 1 00 kHz 2 00 kHz 4 00 kHz 8 00 kHz and aoa 16 0 kHz are available as well as the Leq or RMS result from the first 125Hz profile 1004p Pre y E OmOOs OmOOs lt gt gt 11 7 Display options in 1 1 Octave 1 12 Octave analysis mode The Display list is used for setting the various parameters which are mainly dedicated for the control of the display The following windows contain the elements that influence the presentation of the results of 1 1 Octave 1 12 Octave analysis SVAN 979 USER S MANUAL 91 Display Modes enables the user to select the mode of the presentation of the 1 1 Octave 1 12 Octave spectra Display Scale enables the user to change the scale of the vertical and horizontal axis of the spectra presentation and s
73. during the searching of the Bluetooth unit by the PC the instrument will be visible and it will be possible to pair the instrument and the PC The instrument can communicate with the PC also with inactive Visible parameter lf Transf on stop only is switched on then the Bluetooth function is switched off during the measurement Active Bluetooth may be a source of additional internal electrical noise in very low acoustic environments 8 3 Selection of the active port Communication Ports The Communication Ports position enables the user to select the active communication port of the instrument It is possible to select the following combinations USB Host Bluetooth GPS Device Port RS232 GPS Device Port GPS Host Port Bluetooth The socket USB Host can be used as the input of the different interfaces RS 232 or USB The RS 232 interface in the SVAN 97x instrument is available as a hardware option a special interface SV 55 with a dedicated microprocessor has to be attached to the socket USB Host USB Host socket is detected and after successful detection the RS232 icon changes its colour to blue Transmission with the SV 55 interface is only possible if the instrument is not connected to a PC with the USB Device port Notice The converter SV 55 serves as the RS 232 interface The SV 55 connection to the SVAN 979 USER S MANUAL 68 The USB host interface can be used to control the external USB mem
74. e analogue signal Analog Out transmitted from the input of the instrument to its output without any digital processing i e frequency filtering e the input of the digital signal used as an external trigger to start the measurements Digital In in the instrument acting in this case as a so called slave instrument e the digital output Digital Out 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 The more detailed description of the I O socket is given in App C Slope parameter selection for the Digital In mode Trigger function In the case of Digital In selection the signal appearing on the I O socket will be treated as the external trigger if External is chosen as a trigger path lt Menu gt Measurement Trigger Measure Trigger Trigger External For Digital In mode only the Ext Trigger value is available for the parameter Function It is possible to set up Slope as positive or negative by means of the lt 4 gt lt gt gt push buttons Digital output function selection of the I O socket The Function position enables the user to set the function of the digital output of the I O instrument s socket The socket can be used as the source
75. e and to set the parameters of the raw time waveform recording on the external memory SD Card or USB Disk The Wave Rec position if it is not Off defines the type of the wave recording Continuous or On Trigger The Format position enables the user to select the format of the wave file header PCM or Extensible The Audio Sampling position enables the user to select the sampling frequency of the wave recording 12 kHz 24 kHz and 48 kHz The Bits Per Sample position enables the user to select the number of recorded bits per sample 16 or 24 The Signal Gain position enables the user to select the gain of the recorded signal when 16 bits per sample was selected 0dB 400B The File Name position enables the user to edit the name of the wave file The File Length Limit enables the user to define the limit length of the signal record to be saved in the logger file When Off is selected the signal will be recorded without limitation To put limitation on record time the user should select the value in the range from 10 min to 8 hours with 10 minute step OSsSLM 05 56 Logger Setup Logger Results Logger Trigger Event Recording Marker Setup Wave Recording CISLM 00 16 Wave Rec MOULOTIE Format PCM Audio Sampling 48kHz Bits Per Sample 24 File Name REC12 File Length Limit Off LISLM 00 18 Wave Rec On Trigger Format Extensible Audio Sampling 12kHz Bits Per Sample 16 Signal Gain 11 dB File Name
76. e catalogue in which the new one will be created and press the lt ENTER gt push button at the lt New Directory gt position A new catalogue name will be offered and appear at the bottom line of the display If a directory already exists with the same name a warning message will appear Otherwise this operation will be performed EQ NSVANTEK O1 JAN lt ENT gt SVAN 979 USER S MANUAL 59 Saving results can be done also in the OvLM File Manager window by creating a new file in the file system To perform this function the user should enter the catalogue in which the new file will be created and press the lt ENTER gt push button at the lt New File gt position 12DECO Save Next 7 2 3 Deleting all files from Internal memory Delete All It is possible to delete all result and or setup files from the instrument s memory To do this the user should select the memory type and press the lt ENTER gt push button After opening the list of operations select the Delete All position and press the lt ENTER gt push button again To delete files from the Internal memory the user has to mark the desired file type then press the lt ENTER gt push button The Delete All window with the list of file types will be opened The user will be asked to confirm the deletion of the selected file type Select Yes then press lt ENTER gt to delete otherwise press lt ESC gt to continue without deletion 7 2 4 Defragmenta
77. e message about the time limit is displayed if the printer is not connected or there is any other reason that it does not eject a paper The instrument waits for the reaction of the user any push button should be pressed except lt Shift gt and after pressing a push button it returns to the Report list Editing the user text The Title position enables the user to edit the text added to the file and to the report to be printed The text editing is performed in the special window which is opened by pressing the lt 4 gt lt gt gt push buttons SVAN 979 USER S MANUAL 88 11 1 1 1 3 1 46 AND 1 12 OCTAVE ANALYSER The instrument operates as a real time 1 1 Octave 1 12 Octave analyser RTA in a very similar way to the Level Meter mode and in addition 1 1 Octave 1 12 Octave analysis is performed in parallel with the SLM or VLM operations All 1 1 octave 1 3 octave 1 6 jctave and 1 12 octave digital pass band filters are working in real time with the weighting filters HP Z A B or C in the case of sound analysis HP in the case of vibration analysis selected in the Spectrum path Menu Measurement Spectrum Filter and the linear RMS Leq detector This enables the user to pre weight a spectrum with one of the selected broadband frequency 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 RMS results are measured wit
78. e recorded to the logger file during measurement Activation deactivation can be done by means of the lt gt lt gt push buttons pressed together with lt Alt gt The position is changed by means of lt gt lt gt and lt gt lt 7 gt push buttons When Logger is switched off or there is no results selected for logging the logger plot doesn t appear on the screen SVAN 979 USER S MANUAL 35 When Logger is switched on and with selected results for logging the logger plot will be available in all visualisation modes lt Alt gt 5 4 3 Logger trigger parameters setup Logger Trigger The Logger Trigger parameters influence HOISLM 03 32 EISLM 00 25 the way the measurement results are saved a ee in the logger It is a context sub list in which the trigger can be switched off or it s type 100dB selected Trigger the source of the 5 nipe mMm S triggering signal can be determined Source its level can be selected Level the number of the results saved in the logger before the fulfilment of the triggering condition Pre and the number of the results saved in the logger after the fulfilment of the triggering condition Post Trigger disabling OSLM_03 32 The logger triggering of the measurements Trigger can be switched off Off using the lt 4 gt push button The triggering is switched on if the Level or Level mode is selected using the lt gt push button Lev
79. e two averaging options Linear OS FFT amp 02 11 OS FFT 02 12 and Exponential In case of Exponential na e i Linear Exponential averaging an additional position appears in 2 1 0s this window Time Constant The 20kHz Z Time Constant parameter can be selected Hanning 20kHz 1600 a F Valabiate 1600 from the values 100ms 125ms 200ms 500ms 1 0s 2 0s 5 0s and 10 0s lt gt gt The following pre weighting filters are available for the FFT analysis of sound e A 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 B_ type 1 according to the IEC 651 standard e Z type 1 according to the IEC 61672 1 standard e HP type 1 according to the IEC 61672 1 standard Only one HP weighting filter is available for the FFT analysis of vibration The characteristics of the filters are given in Appendix D In the Band position the user can select the band in which the FFT analysis of the signal has to be performed The user can select 20 kHz 10 kHz 5 kHz 2 5 kHz 1 25 kHz 625 Hz 312 Hz 156 Hz and 78 Hz In the Window position the user can select the weighting window for the FFT analysis of the signal The user can select Hanning Rectangle Flat Top and Kaiser Bessel weighting windows In the Lines position the user can select the number of lines for the FFT analysis of the signal The user can select 1600 800 and 400 lines 12 5 Saving of FFT analysis
80. each time before the measurements begin A single calibration at the start of each day is usually sufficient for most regulations Notice The calibration level and the calibration result are expressed in different units depending on the settings of the instrument The metric or non metric Vibration units are set in the Vibration Units window path lt Menu gt Auxiliary Setup Vibration Units Additionally the linear or logarithmic units are set in the Display Scale window path lt Menu gt Display Display Scale 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 accessible The flashing gt 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 gt BBB 4 3 1 Calibration by Sensitivity in case of Acoustic signal SVAN 979 USER S MANUAL Calibration by introducing the microphone s sensitivity can be performed in the following way 1 Select this type of the calibration highlight the Calibr by Sensitivity text from the Calibration sub list and press the lt ENTER gt push button 2 Set the sensitivity of the microphone taken from its calibration certificate using the lt Shift gt with lt 4 gt lt gt push buttons an
81. el type trigger OSLM 00 25 If the triggering signal is greater than the selected in Level or less than Level Level the logger contains pp e the measurement results recorded directly before the fulfilment of the O OmO0s triggering condition time of the recording can be calculated by 0 Om00s multiplying the value set in the Pre by the time period taken from the Logger Step path lt Menu gt Measurement Logging Logger Setup e all measurement results up to the moment the triggering signal falls UISLM 00 30 below the Level e the results recorded directly after the fulfilment of the triggering condition time of the recording can be calculated by multiplying the value set in the 100dB Post by the time period taken from the Logger Step path lt Menu gt 5 alee Measurement Logging Logger Setup Level Trigger Source selection When Level Meter mode is chosen only one measured result can be used as a source of the triggering signal in the logger namely the output signal from the RMS detector coming from the first profile which is denoted here as Leq 1 This position does not become active it is shown greyed out and the text shown here remains unchanged After pressing the lt 7 gt push button the Source line is skipped SVAN 979 USER S MANUAL When the 1 1 Octave or 1 3 Octave mode is chosen it is possible to use the RMS band pass value of one of the 1 1 octave or 1 3 octave spectrum filters with the appropria
82. eme is presented in this Manual Forest theme is presented below The default colour themes Solar and Forest are optimised to decrease the energy consumption of the OLED display SVAN 979 USER S MANUAL 55 7 SAVING THE MEASUREMENT RESULTS File The File list contains the elements that enable the user to manage the data Os t71 03 38 files created and saved in the internal memory of the instrument or in the external memory media micro SD card or USB carriers Recording the measurement results is an essential task for the efficient use of the instrument All available measurement results and also the instrument s settings are stored as a file in the internal FLASH type memory of the instrument or on the external memory micro SD Card or USB Disk Instrument s files contain data e measurement results from Sound Level Meter e measurement results from Vibration Level Meter e measurement results from 1 1 Octave analysis e measurement results from 1 3 Octave analysis e measurement results from FFT analysis e results measurement time history event and marker recording stored in the logger file e time waveform recording e measurement configuration setups The detailed description of all types of file structures is given in the Appendix B Notice Because of limited internal memory capacity of the OSLM 02 17 AN instrument s FLASH memory the logger and wave files can only be saved on the external memory So if
83. ent supply IEPE Current 8 7 Selection of keyboard modes Keyboard Settings 8 8 Checking the modem status Modem Status 8 9 Setting parameters of the I O port Multifunction I O 8 10 Setting the microphone polarisation voltage Polarisation Voltage 8 11 Remote control mode configuration Remote Control Mode 8 12 Setting the parameters of the serial interface RS232 41 41 42 42 43 45 45 51 52 53 54 55 56 57 58 58 59 59 60 60 60 61 61 61 61 62 62 63 66 66 67 67 68 68 68 68 69 69 71 71 72 SVAN 979 USER S MANUAL 8 13 8 14 8 15 8 16 8 17 9 9 1 9 2 9 3 9 4 9 5 9 6 10 10 1 10 2 10 3 10 4 Programming the instrument s internal Real Time Clock RTC 72 Checking the instrument s vibration Self Vibration 73 Signal generator activation Signal Generator 73 Parameters of remote communication Wireless Transfer 73 8 16 1 Selection of the network type Network 73 8 16 2 Selection of the data transfer type Data 74 8 16 3 Configuration of modem basic settings Modem 74 8 16 4 Setting of support modem options Modem Connection 75 8 16 5 Configuration of SMS service SMS Option 76 8 16 6 Configuration of e mail service E mail 77 8 16 7 Data transfer with the Modbus protocol Modbus 77 Checking specification of the instrument Unit Label 78 AUXILIARY SETTINGS Auxiliary Setup 79 Setting the language of the user inter
84. ent type trigger DISLM00 02 When Grad is selected the triggering condition is checked every 0 5 Grad millisecond of the measurement The measurement is recorded only when the result value Source has a greater level than that determined by the selected decibel Level and the gradient of the signal is greater than determined in the Gradient position Otherwise the measurement result is skipped 100dB 10dB ms External type trigger DOSLM 01 05 When External is selected the triggering is done by the signal on the I O External socket In this case it is necessary to set up the I O Mode parameter as Digital In path lt Menu gt Instrument Multifunction I O In the other case the measurement result is skipped Selection of the triggering signal lt is assumed that only one measured result can be used as a source of the triggering signal in the Level Meter mode namely the output signal from the RMS detector coming from the first profile which is denoted here as Leq 1 This position does not become active it is not displayed inversely and the text stated here remains unchanged After pressing there the lt gt push button the Source line is skipped Setting the level of the triggering signal OVLM 00 06 The level of the triggering signal Level can be Slope set in 1 dB step or 10 dB steps from 24 dB to 136 dB range The Level value of the triggering signal refers to the instantaneous value of the RMS result from the fir
85. ent values of this parameter The new value of the brightness level is shown on screen after each press of the lt 4 gt or lt gt push buttons Setting the power saver function Saving the internal source of the instruments power can be achieved by reducing the brightness of the screen whenever possible There are two options for the power saver function The screen may be switched off Screen off on idle and or dimmed 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 happens while in use the first press of any push button will cause the screen to switch back on again Setting the power saver delay The power saver delay defines the delay period from last use of any push button to the power saver mode This delay period can be set for Dim screen on idle from 5 s to 60 s and for Screen off on idle from 1 m to 60 m The lt ENTER gt push button must be pressed for confirmation of the selection which then also closes the Screen Setup window Press lt Esc gt to exit the Screen Setup window without changing the settings 53 00 35 SVAN 979 USER S MANUAL 54 6 5 Setting the colour theme of the display Themes The Themes window enables the user to OSLM 00 35 set the colour theme of the display It is possible to choose between Solar and Forest themes Solar th
86. er each Time Step 10ms measurement If this option is Off then after taking the measurement the Level 100dB visualization level 1 appears on the display Logger Name LOG142 Averaging N The Averaging Clear position enebles the user to swith on reseting of the averaging process The whole averaged results are lost if not saved SVAN 979 USER S MANUAL 105 The Smoothing position enables the user to set the number of samples Os RT60 00 10 which are taken to averaging process of the sound pressure level decay curve Notice this parameter influences the reverberation time results The parameter can be set in the range 0 15 with 1 sample step default value is 3 samples 100dB LOG142 The Noise Mar position enables the user to set the margin value to the calculated noise level for more detail see Appendix H This parameter can be set in the range 0 20 dB with 0 1 dB step default value is 10 dB Notice If the measurement have to fulfilled the ISO 3382 standard requirements the noise AN margin is required to be set to 10 dB or greater value 13 3 Setting the result display mode The Display Modes list of the Display HS RT60 00 10 OS RT60 amp 00 10 menu enables the user to select the type of 5 data displayed during the RT60 calculation O Time data can be viewed as a Raw Data OS RT6O Os RT60 00 25 Smoothed Data or Integrated Data in case of Impulse method The user may also swith between different data view modes du
87. erations select the Copy position and press the lt ENTER gt push button again The instrument then will propose to choose the target catalogue for copying After selection of the target catalogue the user should press the lt ENTER gt push button The window with two options will appear Copy Here and Rename 7 2 7 Moving file catalogue Move SVAN 979 USER S MANUAL 61 It is possible to move a file or catalogue from the file catalogue list in one memory type to another or from one catalogue of external memory to another catalogue in the same memory i e SD to SD or USB to USB It is not possible to move logger files to the Internal memory since this type of memory does not accept such files To perform this operation select the file catalogue and press the lt ENTER gt push button After opening the list of operations select the Move position and press the lt ENTER gt push button again The instrument will propose to choose the target catalogue for copying After selection of the target catalogue press the lt ENTER gt push button The window with two options will appear Move Here and Rename 7 2 8 Renaming file catalogue Rename lt is possible to rename a file or catalogue In order to do this the user should select the file catalogue and press the lt ENTER gt push button After opening the list of operations select the Move position and press the lt ENTER gt push button again The window with text editor funct
88. eriod of the data logging in a file It can be set from 2 milliseconds to 1 second in 1 2 5 sequences the values from 1 second to 59 seconds the values from 1 minute to 59 minute and 1 hour The Logger Name enables the user to OSLM 00 12 name the logger file The default name is LOG The name can be up to eight characters long After pressing the lt lt gt lt gt gt push buttons the special window with text editing function is opened The edited name is accepted and saved Osim 04 30 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 lt Shift gt or lt Alt gt lt ENT gt SVAN 979 USER S MANUAL 34 The main measurement results cf App B are calculated during the period set in the Integration Period These results can be saved in the result files of the instrument s memory by means of the Save or Save Next function path lt Menu gt File File Manager lf Integration Period is greater or equal to 10 seconds it can be done also by means of the Auto Save operation The name of the file for that operation is set in the File Name position path Menu File Save Options File Name which appears when Auto Save parameter is switched on In the case when the Repetition Cycles is greater than one the Auto Save operation
89. ext function 7 2 Managing the files saved in the internal and external memory File Manager The File Manager is used for checking the EAF CIELE EAA CERI contents of the memory and performing operations on result and logger files such as open delete copy move rename create new files data files or catalogues directories and display useful file and catalogue information The File Manager window consists of the list of files catalogues and memory devices Files are stored in catalogues which are organised hierarchically Catalogue names are of capital letters and have no extensions By pressing the lt ENTER gt push button the window with the list of available operations is opened at the marked highlighted position When SD Card or USB Disk is selected the first two positions 0S 1 1 00 48 lt New Directory gt and lt New File gt can be used to create new elements for the forthcoming measurements to enable the user to create a suitable structure to hold their sets of measurements in a logical manner When Internal memory is selected the only the lt New File gt position is available OS 171 OS8S 171 00 53 SVAN 979 USER S MANUAL 58 When the memory or catalogue is marked EMLA CIEE highlighted then the right arrow icon appears at right side of the line After pressing the lt gt push button the marked memory or catalogue is opened To return to the upper previous catalogue the user has to press the
90. f the 1 1 Octave 1 12 Octave analysis Band Filter and Detector The Spectrum window is closed ignoring any changes made in there after pressing the lt ESC gt push button at any time lt Selection the band path lt Menu gt Function 0OS 171 00 58 Full 14 16k HP ENT gt Ols 171 00 59 The Band position enables the user to select the applied band of 1 1 Octave Audio 31 5 16k 1 12 Octave analysis Available values of the bands of the analysis are as dud follows Sound 1 1 Octave analysis Audio 31 5 16k and Full 1 16k Sound 1 3 Octave analysis Audio 20 20k and Full 0 8 20k Linear sound 1 6 Octave analysis Audio 20 21 4k and Full 0 73 21 4k sound 1 12 Octave analysis Audio 20 3 22k and Full 0 71 22k Vibration 1 1 Octave analysis Full 1 16k Vibration 1 3 Octave analysis Full 0 8 20k Vibration 1 6 Octave analysis Full 0 73 21 4k Vibration 1 12 Octave analysis Full 0 71 22k SVAN 979 USER S MANUAL 40 Weighting filter selection OS 171 00 53 The Filter parameter influences the calculations of the 1 1 Octave Audio 31 5 16k 1 12 Octave analysis The frequency characteristics of those filters are given Z in Appendix D The following pre weighting filters are available in the case of the 1 1 Octave 1 12 Octave analysis in sound modes 1 1 Octave 1 12 Octave A C B Z HP Linear type 1 according to the IEC 651 and IEC 61672 1 sta
91. face Language 79 Return to the factory settings Factory Settings 79 Reference signal in vibration measurements Reference Levels 80 Setting the coefficients of the user filters User Filters 80 9 4 1 Introduction the parameters of real time filters Real Time Filters 80 Selection of the Vibration units Vibration Units 81 Warnings setup Warnings 81 REPORTS PRINTING Report 84 Printing the measurement results Print Results 85 Printing the statistics of sound measurement results Print Statistics 86 Printing the coefficients of the user filters Print User Filters 86 Selection the printing options Options 86 1 1 1 3 1 6 AND 1 12 OCTAVE ANALYSER 88 Selection of 1 1 Octave or 1 3 Octave analysis mode 88 Selecting the parameters of 1 1 Octave 1 12 Octave analysis 88 Measurement range selection Range 89 Pre weighting filter and frequency band selection Spectrum 89 Saving of 1 1 Octave and 1 3 Octave analysis results Logger Results 90 Selecting the result which triggers recording for the logger in 1 1 Octave 1 12 Octave analysis Logger Trigger 90 Display options in 1 1 Octave 1 12 Octave analysis mode 90 Presentation of 1 1 Octave 1 12 Octave analysis results 91 Setting the scale of spectrum presentation Scale 92 11 10 Setting the parameters of the spectrum presentation Spectrum View 93 SVAN 979 USER S MANUAL 11 11 11 12 11 13 12 12 1 12 2 12 3 12 4 12 0 12 6 12 7 12 8 12
92. fter pressing the lt ESC gt push button the sub list is also closed but any changes will be ignored The Free Field and Diffuse Field filters enable the user to set compensation for sound measurements in the free field conditions or in the diffuse field conditions The microphone supplied with the SVAN 979 instrument GRAS 40AE is designed for sound measurements in free field conditions The Free Field option means that the correction filter for the diffuse field conditions is switched off In the case of sound measurements performed with the use of different specific diffuse field response microphone types the option Diffuse Field should never be used and the compensation filter should be turned off Outdoor Environ and Outdoor Airport filters are dedicated for the permanent outdoor monitoring application The characteristics of the outdoor filters depend on the application environmental the acoustic signal is parallel to the microphone s grid or airport the acoustic signal is perpendicular to the microphone s grid The frequency characteristic of the designed filters is given in App D Windscreen filter can be switch Off On or set to automatic detection Auto 5 7 Measurement range setting Range The Range position is used to set one of the OSLME1 18 28 SE ER available measurement ranges in the instrument High The absolute range values changes due to the current calibration factor and are shown on the screen of the instr
93. gt SVAN 979 USER S MANUAL 75 e Internet Cfg selecting this option ensures that the device is set to automatically configure the modem When the device is turned off with this option set it will attempt to configure the modem after the next turn on More about this option is written in Appendix J Configuration and Registration e Data Protocol defines connection type for data exchange Available types are TCPS server mode TCPC client mode and UDP e Register Mode selecting this option ensures that the device instantly attempts to register the station provided the modem is already configured More about the registration is written in Appendix J Configuration and Registration Depending on selected Data Protocol type the values of this parameter are different In case when Data Protocol type is TCP S the values of this parameter are Off On registration using Connection Request Packets AS periodic registration on Svantek Server Address SMT AS registration on Svantek Server Address performed each time internet connection is initialized by the modem In case when Data Protocol type is TCP C the Register Mode position does not appear In the case when Data Protocol type is UDP the Register Mode is limited to Off and On e Sim Auth Mode defines the method of user verification by the SIM card Depending on the SIM card several options are possible some of them are recognized by the modem e none no verif
94. gt push button then select the Function text and press lt ENTER gt Then the user has to open the Measurement Function window highlight the required analysis bandwidth and press lt ENTER gt Notice lt is not possible to change the current function during live measurements In this case the instrument displays for about 2 seconds the text Measurement in Progress In order to change the current measurement function the instrument must be stopped lt ENT gt 11 2 Selecting the parameters of 1 1 Octave 1 12 Octave analysis The execution of 1 1 Octave 1 12 Octave analysis depends on a certain number of parameters which can be set in the different windows of the Measurement list Namely the user can set there the Range of the SVAN 979 USER S MANUAL 89 measurements path lt Menu gt Measurement Range and Filter oath lt Menu gt Measurement Spectrum Additionally the user can set or be informed about the Band of the analysis path lt Menu gt Measurement Spectrum Band and switch on or off the recording of the spectra in the logger file path lt Menu gt Measurement Logging Logger Results The output of the selected 1 1 Octave 1 12 Octave filter can be also used as the triggering signal in the Logger Trigger window path lt Menu gt Measurement Logging Logger Trigger 11 3 Measurement range selection Range In the 1 1 Octave 1 12 Octave analyser Os i71 0117 15 the user
95. h lt Shift gt Complex parameters OSlM 00 03 OSLM 00 22 Some parameters like Start Hour Start Day etc are complex consisting of more than one value field The selection of values for such parameters is performed in a special window which is opened with the lt 4 gt or lt gt push buttons In the special window the value is selected with the f lt 4 gt lt gt or lt gt lt Y gt push buttons and then is confirmed by pressing 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 the list by pressing the lt ESC gt push button and the user returns to the previous menu Information window OSLME 00 22 Some windows inform the user about the state of the instrument available memory none 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 or lt 7 gt push button In order to close such a window the user has to press lt ESC gt Text editing window There are also windows in which the user may edit some text i e the name of the file This window contains help information to guide the user how to edit the text The character which is displayed inversely may be edited The user can select the position of the character in the edited text using the lt 4 gt lt gt gt p
96. h the weighting filters A C Z or S1 S2 S3 AN in case of sound measurements HP HP3 and HP10 or S1 S2 S3 in case of vibration measurements 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 1 12 Octave analysis can be different from those obtained for the profiles if the RMS Integration was set as Exp The SVAN 979 instrument operates in two ranges called Low and High which can be selected in the Range window path lt Menu gt Measurement Range The results of 1 1 Octave 1 12 Octave S 1 1 23 15 BAAEE x00 01 analysis spectra can be examined by the user on a display in the Spectrum presentation mode The availability of this mode can be switched on or off by the user path lt Menu gt Display Display Modes 1 1 Octave 1 12 Octave spectra for all centre frequencies of pass band filters together with the Total overall values measured with preselected frequency weighting filters are presented in the Spectrum mode if selected in the spectrum display menu The read out of the value of interest in the spectrum can be done using a vertical cursor on the screen using the lt 4 gt or lt gt push buttons 11 1 Selection of 1 1 Octave 1 12 Octave analysis mode In order to select the 1 1 Octave OSLM 02 45 1 12 Octave analysis mode the user has to enter the Function list by pressing the lt Menu
97. he File Name position 5 Start the second measurement Press the lt gt push button to see spectra on the display The Active position enables to switch on the spectrum comparison option BEMIAR EL 01JANO Off Field description 1 Spectrum averaging filer type 2 Reference spectrum 3 Value of the cursor position for compared spectrum 4 Compared spectrum 5 Value of the cursor position for reference spectrum 6 Difference between reference and compared band value It is also possible to activate Warning Os i7i 01 02 which will appear on the display when the results from the compared spectrum are a greater at the value of Tolerance than the results from the reference spectrum 01 JANO Comp gt Ref or contrariwise Sonp ker 1 0dB Comp lt Ref SVAN 979 USER S MANUAL 97 The Tolerance can be set from 0 1 dB to 10 0 dB It means that if the OsS 1 1 01 00 Tolerance is set to 1 dB and Comp gt Ref option is selected in the Warning position the message will appear when the calculated spectrum in any 01 JANO band or line will be greater than the reference by more than 1 dB Comp gt Ref It is possible also to select the band of the 1 1 Octave and 1 3 Octave heii spectrum for checking warning condition It can be done by choosing proper 1 00Hz values in the Lower Limit and Upper Limit positions When statistics are being compared 0S 1 3 00 44 0S 173200 44 LN Spectrum the spectra comparison for
98. he coefficients of the user filters Os 171 119 59 set The Filter Edit sub list enables the user to select which filters should be edited the available options are as follows 1 S2 S3 S4 and S5 or any other transmitted to the instrument from a PC by means of the interface The filter name can be changed in the OS 171 801 45 ZEMA 201 4 edition window which is opening by means of the lt 4 gt lt 5 push buttons lt ENT gt The opened window contains the centre frequencies of the filters and their Os i71 6120 02 coefficients e 0 80 Hz available values for 0 8 Hz centre frequency filter 100 0dB 100 0dB e 1 00 Hz available values for 1Hz centre frequency filter 100 0dB 100 0dB e 20 0kHz available values for 20 kHz centre frequency filter 100 0dB 100 0dB Clearing the coefficients of the user filters LIS 171 01 48 The Filter Clear position enables the user to clear the values of the user coefficients of octave or third octave filters It is possible to clear all sets of coefficients All to clear the first set S1 to clear the second set S2 to clear the third one S3 or any other transmitted to the instrument from a PC by means of the interface lt ENT gt 11 13 Setting the parameter for spectrum comparison Spectrum Compare SVAN 979 USER S MANUAL 96 The Spectrum Compare position enables Os 17 1 01 55 the user to compare spectrum with the reference one The
99. he screen is divided into two parts and the results for one profile and three profiles can be presented together as well as for one profile and logger and for three profiles and logger YLM 04 38 LOG T IME 2m7 Default profile settings for Sound measurements Profile 1 A weighting filter Filter 1 A Fast for the RMS detector Detector 1 Fast the results of the measurements are not stored in the logger s file Profile 2 C weighting filter Filter 2 C Fast for the RMS detector Detector 2 Fast the results of the measurements are not stored in the logger s file Profile3 Z weighting filter Filter 3 Z Fast for the detector Detector 3 Fast the results of the measurements are not stored in the logger s file Default profile settings for Vibration measurements Profile 1 HP1 weighting filter Filter 1 HP1 1 0s for the RMS detector Detector 1 1 0s the results of the measurements are not stored in the logger s file Profile 2 HP3 weighting filter Filter 2 HP3 1 0s for the RMS detector Detector 2 1 0s the results of the measurements are not stored in the logger s file SVAN 979 USER S MANUAL 19 Profile 3 HP10 weighting filter Filter 3 HP10 1 0s for the RMS detector Detector 3 1 0s the results of the measurements are not stored in the logger s file The user can change all the above mentioned settings using Profiles sub list of the Measurement list The instrumen
100. he tonality results During this process the message Calculations appears 13 4 Visualization of the Tonality measurements results The Tonality Results window presents the results of Tonality analisys OS TON 00 25 Penalty K a value to be added to the value of Laeq for the noise source to give the tone a corrected rating level dB Critical Band Tones alist of tones causing penalty Tone level Lpt total sound pressure level of tones in the critical band dB ae Noise level Lpn total sound pressure level of the masking noise in the critical band dB Tonal audibility Lta an audibility of tones in the critical band dB re MT
101. ication required e PAP e CHAP e MsChap denotes MsChap in version 1 e Send SMS selecting this option will configure SMS service by the modem e Send E Mail selecting this option will configure e mail service by the modem e Auto Reconnection selecting this option will make the device attempt 04 12 to reconnect the modem in the case of errors or sudden disconnection More about this option is written in Appendix J Error handling e Reconnection Delay time between each reconnection attempt e TCP IRT initial timeout for TCP connections In some cases extending this timeout may be helpful in case of slow connections but the default setting is recommended e TCP Max Ret maximum reconnection attempts performed within a simple connection cycle In some cases setting higher value may be helpful in case of slow connections but the default setting is recommended 8 16 4 Setting of support modem options Modem Connection SVAN 979 USER S MANUAL 76 The Modem Connection position OsimMio4 13 enables the user to configure several supporting options required by SIEMENS modem to establish internet connection More about this option is written in Appendix J Configuration and Registration svantek dyndns org 8001 8000 lt ENT gt The Modem Connection window contains the following positions e Server Address allows the user to enter up to 32 characters of either OSLM 04 19 IP or domai
102. ield 3 is active the central frequency of 1 3 octave band can be changed after pressing the lt 4 gt and lt gt push buttons together with lt Alt gt Changing the RT function When the field 12 is active the RT60 analisys function can be changed after pressing the lt 4 gt and lt gt push buttons together with lt Alt gt Changing the cursor position When the field 13 is active the user may change the cursor position by means of the lt 1 gt lt gt push buttons RT User reverberation time calculation 1 Select the 1 3 octave band or one of the total levels for user reverberation time calculation process 2 Setthe position of the marker T1 CiS RT6O OS RT60 00 28 Cis RT6O RT20 PREE T 0 250 s lt Alt gt gt Cis RT6O 00 33 109 Cis RT6O 00 25 Cis RT6O Cis RT6O0 00 29 RT30 PELE T 0 250 s OS RT60 00 34 lt 4 gt E OS RT60 00 55 Notice The marker has to be located on the right side of the TO marker but not in the noise AN background region for more details see Appendix H 3 When the marker position is located press lt ENTER gt then select Yes field and press lt ENTER gt again 4 The RT User result will be calculated and presented in the field_13 as well in the Table and 1 3 octave bar plot Cis RT6O 00 58 Calculate RT User on cursor position lt ENT gt Cis RT6O RT User 0 28s T 0 21
103. ion will appear 7 2 9 Information about file catalogue Info It is possible to get information about a file OVLM 03 18 OVLM03 18 or catalogue The user should select the file catalogue and press the lt ENTER 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 the selected file catalogue lt ENT gt 7 2 10 Deleting file catalogue Delete DISLM 03 27 lt is possible to delete a file or catalogue OSLM amp 03 23 from the file catalogue list The user should select the file catalogue and press the lt ENTER gt push button After opening the list of Operations select the Delete position and press the lt ENTER gt push button again lt ENT gt 7 3 Managing the setup files Setup Manager SVAN 979 USER S MANUAL The Setup Manager is used for checking the contents of the memory and operating on Setup files such as open delete copy move rename files create new files and display file information In the Setup Manager window only setup files are displayed Setup files have extension SVN and icon attribute 7 3 1 Saving the setup files There are two options to open the Setup Manager window One option is to press lt S P gt push button Alt Esc when a measurement is not being performed Another option is to open the Setup Manager position from the File menu In orde
104. ions for the instrument can be purchased at any time as only the introduction of a special unlock code is required for their activation in a specific instrument Contact your local Svantek distributor for further information and costs for these options SVAN 979 USER S MANUAL 10 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 selected Menu list Thanks to that the number of push buttons for control of the instrument has been reduced to nine for ease of use and convenience 2 1 Control push buttons on the front panel The following control push buttons are located on the front panel of the instrument e lt ENTER gt lt Menu gt lt Save gt e lt ESCs lt Cal gt lt S P gt e lt Shift gt Markers e lt Alt gt Markers e lt gt s e lt 45 e lt P gt e lt gt e lt Start Stop gt gt A The name given in brackets denotes the second push Ve z0 button function which is available after pressing it in hN D d conjunction or in sequence with the lt Shift gt push button For the first two push buttons the name given in square brackets SET denotes also the third push button function which is 5 ae available after pressing it in conjunction or in sequence with onon SS the lt Alt gt push button S Sua e lt Shift g
105. ions that broaden the applications of the instrument can be easily installed These options can be initially supplied by the manufacturer or purchased later and added by the user A 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 in Progress In order to change the mode of the instrument the current measurement in progress must be finished 4 3 Instrument s calibration Calibration The instrument is factory calibrated with the supplied microphone 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 sub list consists of four positions Calibr By Sensitivity Calibr By Measurement which are used to perform the actual calibration Last Calibration which contains the list of calibration measurements performed earlier and the results obtained and finally Clear Calibr History lt ENT gt Notice The calibration factor is always added to the results in the Level Meter 1 1 Octave 1 3 Octave FFT and other modes Notice It is advised to perform the calibration of the instrument
106. ition is not active All results are presented in dB Scaling the vertical axis of the graphical mode presentation The Dynamic position enables the user to select the required dynamic range scaling of the spectrum presentation It is possible to select the range from the set 10dB 20dB 40dB and 80dB In another words the user may obtain double four and eight times the expansion of the vertical axis as the default the vertical axis corresponds to 80 dB after expansion it corresponds to 40 dB 20 dB and 10dB respectively Additional Cis 1 71 19 14 0OS 171 189 14 Display Modes Dynamic SNS Spectrum View Grid Logger View utoscale Spectrum Compare Screen Setup Themes OV 171 18 29 C V 171 01 08 x00 01 4 1 Aver Lin Acc HP Scale Grid utoscale F 1 00Hz OV 171 18 30 OV 171 01 07 l X00 01 Scale TT 1 1 Aver Lin Acc HP Dynamic 80dB Grid Autoscale 0O 171 18 34 Scale Log Dynamic 80dB Grid utoscale gt RMSEA l F 1 00Hz SVAN 979 USER S MANUAL 93 settings of 100dB and 120dB are also available for the dynamic scaling of the Y axis display Log OV 171 18 34 OV 171 01 10 M M Switching the grid on off Os 171 118 37 The Grid enables the user to switch on or off the horizontal grid lines in the spectrum presentation mode The Display Scale sub list enables the user to change the scale in the available modes of graphical presentation of the measurement
107. les the user MELEE to choose the correct IEPE current supply In addition to selecting IEPE Off two further options are available 1 5 mA and 4 5 mA Select the appropriate IEPE current supply to most closely match the requirements of the connected input source 8 7 Selection of keyboard modes Keyboard Settings CISLM 05 16 x OSLM 05 10 UTC 00 00 SVAN 979 USER S MANUAL 69 The Keyboard Settings position enables EISLM EI 21 14 the user to programme the operational BEI mode of the lt Shift gt lt Alt gt and Direct lt Start Stop gt push buttons and switch e backlight and sound options on or off The m default settings are Direct for both items shown on the display screen lt Shift gt lt Alt gt push button mode HEARE In the Shift Alt position the user can choose between 2nd Fun and Direct 2nd Fun When the Direct option is selected the lt Shift gt and lt Alt gt push buttons ai operate as in the keyboard of a computer in order to achieve the desired A result the second push button has to be pressed at the same time as lt Shift gt lt Alt gt When the 2nd Fun option is selected the lt Shift gt lt Alt gt push button operate in sequence with the other one This enables the user to use only one hand to operate the instrument lt Start Stop gt push button working mode selection OSLM 21 35 In the Start Stop position the user can choose between Direct and Direct With Shift When
108. list contains the following elements Print Results enables the user to print out the measurement results on the default printer or to send the measurement results to a PC using SvanPC software and USB interface Print Statistics enables the user to print out the statistics of the lt ENT gt measurement results this position is not available OSLM 13 59 in the case of Vibration measurements Print User Filters enables the user to print out on a printer connected directly to the instrument the values of the user filters introduced in the instrument or to send them to a PC using SvanPC software and USB interface Options enables the user to determine the options of the report In order to obtain the report the user has to connect the instrument to the printer s RS 232 port using the SV 55 RS 232 interface This hardware interface is hidden in the Cannon type 9 pin RS 232 plug in On the other end of the SV 55 interface which itself looks like a cable there is the USB Host plug in This plug in should be placed in the USB Host socket of the instrument lt is also possible to connect the instrument to the USB port of a PC using the proper cable Measurement results can be easy downloaded to any PC using the SC 16 USB interface cable and SvanPC software and printed out on the printer attached to a PC Notice The converter SV 55 serves as the RS 232 interface The SV 55 connection to the AN USB Host socket is detected and after
109. lt Alt gt enables the user to save measurement results as a file in the instrument s internal memory or on the SD card or USB memory stick There are two available functions Save Next save a file with the name increased by one e g O2JANO O2JAN1 O2JAN3 and Save save a file with the edited name This push button 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 made in it are ignored in almost all cases This push button pressed together with lt Shift gt opens the Calibration sub list This push button enables the user to pause or break the measurement process temporarily If there is no current running measurement in progress this push button opens the Setup Manager menu These push buttons enable the user specifically to e select the column in a multi column parameter list e select the parameters value in an active position e g filter Z A B or C Integration period 1s 2s 3s etc e control the cursor in Spectrum Logger and Statistics modes of result s presentation e select the position of the character in the text editing screen e activate markers 2 and 3 e speed up changing the numerical values of the parameters when pressed and held The lt lt gt lt gt push buttons pressed in conjunction or in sequence with lt Shift gt enable the user specifically to
110. lters The characteristics of the filters are given in App D RMS detector selection The following RMS detectors are available in the instrument Impulse Fast and Slow in the case of Sound measurements and 100ms 125ms 200ms 500ms 1 0s 2 0s 5 0s 10 0s in the case of Vibration measurements 5 4 Setting the data logging functionality Logging The Logging list enables the user to OSLM 23 39 program the logger functions the recording of the measurement time history results TH and program the markers and parameters of the event or signal wave recording The Logging list consists of six positions Logger Setup Logger Results Logger Trigger Event Recording Marker Setup and Wave Recording lt ENT gt SVAN 979 USER S MANUAL 33 5 4 1 Data logger programming Logger Setup DOISLM 03 31 The Logger Setup list enables the user to OSLM amp 23 39 activate logger functionality and meteo results logging It also allows the user to edit the name of the logger file and to set the logger interval step Off lt ENT gt The Logger position switches on and off the functionality which enables the user to save selected results from the three user profiles with the defined period interval selected in Logger Step lt gt The Logger Meteo switches on Mi or off Kl the recording of the meteorological results from the SV 205 Weather Monitoring Station The Logger Step defines the p
111. m Pulse Low PEAKC1 Current 100 0dB SVAN 979 USER S MANUAL 71 Selection of the alarm source type CISLM 03 01 The Source Type position enables the user to select the type of alarm Digital Out source Available types are Current and Periodic Alarm ive ow LEQC1 Periodic 100 0dB Alarm level selection on the digital output of I O SESE The Alarm Level enables the user to set the level of the result to be Digital Out monitored during the measurements If the result is greater than the one set ere yin in this line the instrument will generate the alarm signal in the selected reac logic The available levels are within the range 30 0 dB 140 dB Current 100 0dB The Alarm Level current value can be decreased increased by 0 1 dB by means of the lt f gt lt gt push buttons The step can be decreased increased up to 1 dB after simultaneously pressing the lt 4 gt lt gt push buttons together with lt Shift gt Switch on or off the SMS message in case of alarm CISLM 03 04 When the alarm is generated during the measurement it is possible to send Alarm Pulse an SMS message to the phone number defined in the SMS Option window eos path lt Menu gt Instrument Wireless Transfer SMS Options Current 100 0dB Lv Switch on or off the E mail message in case of alarm OSLM 03 05 When the alarm is generated during the measurement it is possible to send Low an E mail message to the address defined in the E mail
112. meter is set on Auto path lt Menu gt Measurement Compensation Filter When Windscreen is switched on and the instrument detects the windscreen the next message appears The user shall choose Yes or No and press lt Enter gt Preamplifier detection If the Preamplifier parameter is switch on then the instrument will show the message in case the preamplifier is connected to the instrument through the extension cable When Preamplifier is switched on and the instrument detects the extension preamplifier cable then the message shown here appears Self vibration warning lf the Self Vibration Level parameter is switched on then the instrument will show the message in case self vibration level is high and can lead to the loss of measurement accuracy Confirmation of the instrument switch off If the Power Off parameter is switched on then the instrument will show the message in case the user Is trying to switch the instrument off Os 173 O YLM Cis 173 Os 173 82 02 06 14 21 02 09 02 05 SVAN 979 USER S MANUAL GPS signal lost warning If the GPS Signal Lost parameter is switched on then the instrument will show the message in case the GPS signal was lost CISLM 83 17 39 SVAN 979 USER S MANUAL 84 10 REPORTS PRINTING Report The printed reports of the Sound or Vibration measurement results in the OSLME00 57 predefined format can be obtained by means of the Report list The Report
113. n which is opened after pressing the lt 4 gt lt gt push buttons 8 16 5 Configuration of SMS service SMS Option The SMS Options position allows the user to configure SMS service used for alarm notification For more information about alarm notification see Appendix J Alarm notification The SMS Options window contains the following positions e Phone Number allows the user to enter up to 20 characters of the phone number where the text messages will be sent e Text Message allows the user to enter up to 20 characters of additional text which will be appended into a standard alarm message template default Editing each position is performing in the special window with the text editor function which is opened after pressing the lt 4 gt lt gt push buttons SVAN 979 USER S MANUAL 77 8 16 6 Configuration of e mail service E mail The E mail Settings position allows the user to configure the e mail service used for alarm notification For more information about alarm notification see Appendix J Alarm notification The E mail Settings window contains the following positions e SMTP Address allows the user to enter up to 32 characters of SMTP server address which will be used to send e mail messages e User Login allows the user to enter up to 20 characters of user login lt 5 SA text used to establish verified connection with SMTP server e User Password allows the user to enter u
114. n App C Printers with the different connections on the RS 232 socket require the special individual RS 232 RS 232 cable that should fulfil the suitable wiring crossover connections Printers in which only the Centronics interface is available instead of the RS 232 can be connected to the instrument by means of the SV 52 RS 232 Centronics interface Printers which have only a USB interface are currently not driven by the instrument printer or a Personal Computer Notice All reports are printed in the character format using the ASCII set on either A4 or A5 Notice Switch the power off before connecting the instrument to any external device e g a AN size paper 10 1 Printing the measurement results Print Results The Print Results position enables the user to print the report on the attached printer or to send out the report to a PC using the SvanPC software and the USB interface After pressing the lt ENTER gt push button the instrument checks its current state If the measurements are running printing is not possible and the appropriate message is displayed If no results were recorded the next message is displayed lf a measurement has been already performed and results are available the presented message is displayed The data are transferred from the instrument to the attached printer while the message is displayed The instrument returns to the Report list after transferring all data The following
115. n address where the registration data will be sent during the registration process Data Protocol TCP S or UDP or to which the modem will connect to Data Protocol TCP C svantek dyndns org 8001 8000 e Data Port allows the user to enter up to 5 characters for the port number This number denotes a port on which a communication socket will be configured for data exchange between remote host and the station e Registration Port allows the user to enter up to 5 characters for the 8001 port number This number denotes a port on which a communication socket will be configured to transmit registration packet Register Mode On or exchange Http data Register Mode AS or SMT AS e APN allows the user to enter up to 20 characters of APN name of the SIM card used with the modem e APN User allows the user to enter up to 20 characters of user name used for verification by the SIM card used with the modem APN Password allows entering up to 20 characters of password used for verification by the SIM card used with the modem e DNS Server allows the user to enter up to 15 characters of IP address of DNS server used for establishing connection with the internet In most cases leaving the default value of 0 0 0 0 will be sufficient but some SIM cards may require a specific address to be entered svantek dyndns org 8000 Editing each position is performed in the special window with the text editor functio
116. nalysis The frequency characteristics of those filters are given Z Linear in Appendix D The following pre weighting filters are available in the case of the 1 1 Octave 1 12 Octave analysis in sound modes e A 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 SVAN 979 USER S MANUAL 90 e B_ type 1 according to the IEC 651 standard OV 171 01 35 e Z type 1 according to the IEC 61672 1 standard e HP type 1 according to the IEC 61672 1 standard vibration only 1 1 Octave 1 12 Octave The characteristics of the filters are given in Appendix D Selection of the detector OsS 171 01 45 OS 1 1201 46 The Detector position enables the user to Audio 31 5 16k Full 1 16k select the detector for the 1 1 Octave HP 1 12 Octave analysis In case of Sound measurements it is possible to select for the Audio Band three types of detector Linear Fast and Slow For the Full Band and for all Vibration measurements only one Linear detector is available 11 5 Saving of 1 1 Octave 1 12 Octave analysis results Logger Results The RMS results from 1 1 Octave 1 12 Octave analysis can be saved in 0Os 1 3218 15 the loggers file The spectrum saving in the logger file is defined by activation deactivation the Spectrum position by means of the lt 4 gt lt gt push buttons 3 M M M M v 11 6 Selecting the result which triggers recor
117. ndards type 1 according to the IEC 651 and IEC 61672 1 standards type 1 according to the IEC 651 standard type 1 according to the IEC 61672 1 standard type 1 according to the IEC 61672 1 standard vibration only Selection of the detector Os 171 01 45 Os i71 01 46 The Detector position enables the user to select Audio 31 5 16k Full 1 16k the detector for the 1 1 Octave 1 12 Octave ai analysis In case of Sound measurements it is possible to select for the Audio Band three types of detector Linear Fast and Slow For the Full Band and for all Vibration measurements only one Linear detector is available 5 6 Selection of the microphone compensation filters Compensation Filter The Compensation Filter position is LISLME16 20 available only in the case of the Sound Meter or Direct Sound modes It enables the user to select the appropriate frequency response compensation filter and the additional windscreen filter SVAN 979 USER S MANUAL 4 The Compensation Filter window consists of a list with 6 positions Off Free Field Diffuse Field Outdoor Environ Outdoor Airport and Windscreen The position in the sub list is changed after pressing the lt gt lt Y gt push buttons In order to switch the filter on the user should mark it by means of the lt 4 gt lt gt push buttons and to confirm the selection with the lt ENTER gt push button Pressing lt ENTER gt push button closes the sub list A
118. ng live measurements In order to change the current measurement function the instrument must be stopped 12 2 Selecting the parameters of FFT analysis The execution of FFT analysis depends on a certain number of the parameters which can be set in the different windows of the Measurement list Namely the user can set there the Range of the measurements path Menu Measurement Range and set the pre weighting filter Filter frequency band Band weighting window Window and number of lines Lines in the FFT window path lt Menu gt Measurement FFT Additionally the user can switch on or off the recording of the spectra in the logger file path lt Menu gt Measurement Logging Logger Results 12 3 Measurement range selection Range In the FFT analyser mode the user can select the input ranges specified in Appendix C named as Low and High The selection of the input range is possible after entering the Range window of the Measurement list SVAN 979 USER S MANUAL 99 12 4 Setting the parameters of FFT analysis FFT In the FFT mode a context element FFT Os FFT 02 51 oor iat appears on the Measurement list path a lt Menu gt Measurement FFT gt 20kHz In the FFT window the user may select the Hanning averaging type Averaging the pre 1600 weighting filter Filter the frequency band Band the weighting window Window and the number of lines Lines for the FFT analysis There ar
119. nterface transmission Baud Rate speed can be selected from the following available values 1200 bits second 2400 bits s 4800 bits s 9600 bits s 19200 bits s 38000 bits s 57600 bits s or 115200 bits s The selection is made by means of the lt lt gt lt gt push buttons The setting here should be the same as in the connected instrument or computer to ensure successful data transfer The other RS 232 transmission parameters are fixed to 8 bits for data No parity amp 1 Stop bit Setting time limit for the performance of serial interface operation The default value of the parameter Time Out is equal to one second but this may be too short for some slower printers which may not be fast enough In such cases the Time Out parameter may have to be increased to a higher value 8 13 Programming the instrument s internal Real Time Clock RTC The RTC enables the user to programme Osimo the internal Real Time Clock This clock is 50756 displayed in the different places depending 17 Dec 2010 on the selected presentation mode The required hour minute and second can be selected in a special window which is opened by means of the lt 4 gt lt gt push buttons To set hours minutes or seconds the user has to enter the correct field position by pressing the lt 4 gt lt gt push button and then selecting the correct value by means of the lt gt lt 7 gt push buttons and
120. of the Level Meter functions C V 173 00 51 In order to select the required function the pOv173 22 24 user has to enter the Measurement Function list After entering the Measurement Function list the set of the available functions appears on the display Level Meter 1 1 Octave 1 3 Octave 1 6 Octave 1 12 Octave and FFT in case of Vibration modes and also RT60 and Tonality in case of Sound modes The currently active function is marked lt ENT gt Notice The type of measurement function and the measurement mode is displayed in the upper line of the screen SVAN 979 USER S MANUAL 23 SLM Sound Level Meter VLM Vibration Level Meter S 1 1 Sound 1 1 Octave V 1 1 Vibration 1 1 Octave S 1 3 Sound 1 3 Octave V 1 3 Vibration 1 3 Octave S 1 6 Sound 1 6 Octave V 1 6 Vibration 1 6 Octave S 1 12 Sound 1 12 Octave V 1 12 Vibration 1 12 Octave S FFT Sound FFT V FFT Vibration FFT DSLM Direct Sound Level Meter DVLM Direct Vibration Level Meter DS 1 1 Direct Sound 1 1 Octave DV 1 1 Direct Vibration 1 1 Octave DS 1 3 Direct Sound 1 3 Octave DV 1 3 Direct Vibration 1 3 Octave DS 1 6 Direct Sound 1 6 Octave DV 1 6 Direct Vibration 1 6 Octave DS 1 12 Direct Sound 1 12 Octave DV 1 12 Direct Vibration 1 12 Octave DS FFT Direct Sound FFT DV FFT Direct Vibration FFT S RT60 Sound RT60 S TON Sound Tonality Optional measurement funct
121. of the trigger pulse Trig Pulse which starts the measurement in another slave instrument linked to the master instrument or the alarm signal which appears here after fulfilling certain measurement conditions Alarm Pulse Polarisation selection of the digital output signal The Polarisation position enables the user to select which polarisation of the signal negative or positive going will be applied to the output signal 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 a valid one negative or positive logic Low or High Source signal selection for the alarm pulse generation The Source position enables the user to select which measurement result level should be checked If the measured result level is greater than selected alarm level the instrument will generate alarm signal on the I O socket The measurement results from the first profile PEAK 1 SPL 1 Max 1 or LEQ 1 can be used for the purpose described above 70 OsSLM 04 37 Digital In C lt gt CISLM 04 37 Digital Out Trig Pulse Positive CISLM 04 39 Digital In C CISLM 02 58 Digital Out Alarm Pulse Low i Ge Current 100 0dB CISLM 04 54 Digital Out Trig Pulse Negative CiSLM 02 59 Digital Out Alarm Pulse High i Ge Current 100 0dB CiISLM 03 00 Digital Out Alar
122. on The execution of Tonality function depends OS TON amp 00 24 on a certain number of the parameters which can be set in the different lists of the Measurement menu The Tonality list contains specific parameters of Tonality function Max Band range 5 25 is maximum tone bandwidth relative to critical bandwidth all local maxima in the spectrum with tone bandwidth smaller than Max Band of the width of the surrounding critical band are defined as tones usually set to 10 Tone Seek range 1 0dB 5 0dB criterion defining noise pauses within which tones are found for smooth spectra value of 1dB is fine for irregular spectra e g spectra with short averaging time values of 3dB or 4dB give better results Regression range 50 100 is a linear regression range relative to critical bandwidth linear regression is used to find masking noise level usually set to 75 Tone Band range 1 0dB 6 0dB is a criterion for determinating tone bandwidth usually set to 3dB lt ENT gt S TON 00 25 10 CIS TON 00 25 10 5 0dB 75 6 0dB CI1S TON 00 26 10 5 0dB 50 6 0dB SVAN 979 USER S MANUAL 111 13 3 Start Tonality measurements SVAN979 performs Tonality measurements together with SLM measurements LIS TON 00 27 To start the measurements the user has to press the lt Start Stop gt push button After the measurement ends the instrument starts the calculation of t
123. order to exit the calculation the user has to leave the Calibration sub list by pressing lt ESC gt For an accelerometer sensitivity higher than 10 0 mV ms the calibration factor will always be negative For an accelerometer sensitivity lower than 10 0 mV ms the calibration factor will always be positive The lowest available applicable value of the sensitivity that can be introduced is equal to 10 0 uV ms it conforms to the calibration factor equal to 60 0 dB and the highest value is equal to 10 0 V ms calibration factor is equal to 60 0 dB 4 3 3 Calibration By Measurement in case of acoustic signal 24 02 18MV Pa 0OS 1734 20 20 44 56mY Pa P0OYLM 20 23 OYLM 20 26 11 22MV ms2 APCIVLM 20 29 9 120MV ms4 SVAN 979 USER S MANUAL 25 Calibration by measurement for the sound measurements can be done in the following way 1 Select the calibration by measurement highlight the Calibr by Measurement text from the Calibration sub list and press the lt ENTER gt push button 2 Attach the acoustic calibrator SV 30A or equivalent 114 dB 1000 Hz carefully over the microphone of the instrument Notice It is also possible to use an electro mechanical pistonphone which generates the signal AN ca 124 dB or different type of acoustic calibrator dedicated for 2 microphones In any case before starting the calibration measurement the user has to set the level of the signal generated
124. ory disk with the FAT16 or FAT32 file systems After USB disc connection the user must switch on the USB Host position for correct operation The USB disk can be disconnected when the measurements are not performed or working directory was set up to Internal memory or SD card In the USB disk that is divided into partitions its first partition has to be reserved for FAT32 or FAT16 file system Only short file names up to 8 characters similar to DOS system may be used The existing longer names are shortened automatically saved in the USB disk as well as in the instrument s internal flash and should be avoided Notice Disconnection of the USB disk during the data transmission can cause the loss of data 8 4 Setting the external power parameters External Power The External Power position enables the EISLM 02 48 user to select the minimum voltage of the external dc power source SA 15 33 when the instrument should be switched off automatically This window appears automatically after switching on the instrument when the instrument is connected to the external dc power source SA 15 33 8 5 Setting the GPS parameters GPS The GPS position enables the user to select OsLM 02 48 the time zone and switch the time synchronization on or off The Time Zone selection is made by means of the lt 4 gt lt gt gt push buttons 8 6 Selection of the IEPE current supply IEPE Current The IEPE Current position enab
125. p to 20 characters of user password text used to establish verified connection with SMPT server default default e Sender e mail allows the user to enter up to 48 characters of e mail OSLM 04 47 address from which the e mail message will be sent e Recipient e mail allows the user to enter up to 48 characters of e mail address to which the e mail message will be sent e E mail Subject allows the user to enter up to 20 characters of the message s subject e E mail Message allows the user to enter up to 20 characters of additional text which will be appended to standard e mail message template used for alarm notification Editing each position is performing in the special window with the text editor function which is opened after pressing the lt 4 gt lt gt push buttons 8 16 7 Data transfer with the Modbus protocol Modbus If the Modbus network was selected the OISLM 2 15 44 Wireless Transfer window will have three positions Network Data Transfer and Modbus Modbus protocol and its implementation in SVAN instruments are described in Appendix I The Modbus window contains the following positions e Modbus Addr device Modbus address ranging from 1 to 247 e Modbus CMD selecting this option enables processing of Svantek functions via Modbus protocol Upon entering a command into Modbus structures it will be processed and any results will be placed in Input Registers and
126. phone or accelerometer OSLM 00 41 NDisplay Scale Dynamics 80dB Grid utoscale Modify 4 gt Dynamics M utoscale Modify 4 gt OsLM amp 04 25 NDisplay Scale Dynamics 40dB Grid lv Autoscale i Modify gt CISLM 00 41 NDisplay Scale Dynamics 40dB Grid lv Autoscale v T 00 44 CISLM 04 19 6 3 Setting the parameters of the logger files presentation Logger View SVAN 979 USER S MANUAL The Logger View position enables the user LISLM 04 40 to change the colour of the curves for graphical presentation of the results which are saved in the logger file The view of the logger screen can be het T Li adjusted quickly without stopping the m etliiiomsaen measurement Highlight the function label in the bottom left hand corner then press the lt ENTER gt push button and the Logger View list is displayed The user may make necessary adjustments and return to the Logger view after confirmation of the performed changes by means of the lt ENTER gt push button 6 4 Setting the display brightness and power saver Screen The Screen Setup window enables the user to set the brightness of the display and to switch on the screen saver mode to save battery power 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 4 gt lt gt push buttons The user can select 20 differ
127. plot The user can change quickly to the first or last spectrum line by simultaneously pressing the lt 4 gt or lt gt buttons with lt Shift gt Spectrum table view The Spectrum Table position is accessible with the 1 1 Octave 1 12 Octave function path lt Menu gt Function Measurement Function and switches on the table presentation of the spectra 92 OS8S 171 01 19 x00 01 M BF ee LYA oe Filter Z 80 60 40 20 Cege rA i l OY 171 02 00 OV 171 23 41 amp 3 Prof 851 u m s 1 Prof amp Logger 2 29mmi is2 3 Prof amp Logger 1 72mmi s2 Logger 1 50mm s4 Spectrum 1 78mmi s2 2 16mmi s4 1 88mmi s4 11 9 Setting the scale of spectrum presentation 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 to switch the grid on or off Setting the scale of the measurement results presentation The Scale position is accessible only in case of Vibration measurement modes Two options are available Lin linear and Log logarithmic In case of Lin the graphical presentation and the units are linear In case of Log graphical presentation is given in the logarithmic scale and the measurement results are expressed in decibels the result is related to the values set in the Reference Levels path lt Menu gt Auxiliary Setup Reference Levels In case of the Sound measurements the Scale pos
128. position enables the user to return to the default setup of the instrument The factory setup can also be installed by means of the four lt Shift Enter Alt Start gt push buttons pressed together OSLM 14 36 OSLM 17 00 lt ENT gt SVAN 979 USER S MANUAL 80 9 3 Reference signal in vibration measurements Reference Levels The Reference Levels sub list enables the OVLM 03 32 user to set the reference levels of the vibration signal or to inform the user about the reference level in the case of sound measurements The values which are set here are taken into account during the calculations of the measurement results expressed in the Logarithmic dB scale lt ENT gt Reference level for vibration measurements In the Acc position the user can set the reference level of the acceleration signal It is possible to set this level from 1 ums to 100 ums In the Vel position the user can set the reference level of the velocity signal It is possible to set this level from 1 nms to 100 nms In the Dil position the user can set the reference level of the displacement signal It is possible to set this level from 1 pm to 100 pm Reference level for sound measurements In the case of sound measurements the Reference Levels sub lists is used only to inform the user that the reference level of the acoustic signal is equal to 20 uPa After pressing the lt ESC gt or lt ENTER gt push buttons the sub list is clo
129. r to save the setup file the user should enter the catalogue in which the new file will be created and press the lt ENTER gt push button at the lt New File gt position Save Setup window is then opened There are two available functions saving a setup file with the name increased by one Save Next and saving a setup file with an edited name Save The name can be chosen to indicate the purpose of the measurement configuration setup e g TRAFFIC or WORK The editable name of the file in which the setup settings are to be saved is displayed in the File Name position The default file name for Setup settings is SETUP To edit the file name the user has to press the lt gt push button The text edition window is opening 7 3 2 Operations on the setup files CISLM 02 46 C1S 1 71 19 06 OS 171 SETUPO Save Next OsLM amp CDOO0 37 SETUP Save Next lt S P gt OS 171 SETUPO Save O SLM 62 23 54 00 37 SVAN 979 USER S MANUAL The Setup Manager enables the user to perform operations on the setup files in the same way as it was described above for the File Manager position To perform any of the operations like Open Copy Move Rename Info and Delete the user should choose the file for which this operation will be applied and press the lt ENTER gt push button The list of operations then will open Opening the setup file means that the previously configured settings
130. range in aA m 1 dB steps In the case of Vibration measurements REC12 REC12 the level can be expressed not only in decibels but Off Off also in linear units The vibration unit scale can be Slope Slope set in the Display Scale window path lt Menu gt 750 Display Display Scale Scale In the Trigger Period position it is possible to select the time interval of checking the triggering conditions This parameter can be set on 0 5ms 100 0ms and 1s In the Rec Time position it is possible to select the time of signal recording after triggering starts If another triggering condition that satisfies the selected conditions appears then the signal will be recorded for an additional Rec Time The available values can be selected from 1s to 8h or Inf When Pre Trigger position is switched on then the signal is recorded immediately before the triggering condition The interval of such recording depends on the sample frequency For 48 kHz the time interval is 1s for 24 kHz the time interval is 2 s for 12 kHz the time interval is 4s dB 10 0 m s2 5 5 Selection the 1 1 Octave 1 12 Octave spectrum parameters Spectrum The Spectrum position appears in the Measurement list when the 1 1 Octave 1 3 Octave 1 6 Octave or 1 12 Octave function is selected in the Measurement Function list Measurement Function The Spectrum sub list consists of the Os 171116 13 parameters which influence the calculation and logging the results o
131. rement results presentation Display Modes 6 2 Setting scale and grid of the plot Display Scale 6 3 Setting the parameters of the logger files presentation Logger View 6 4 Setting the display brightness and power saver Screen 6 5 Setting the colour theme of the display Themes 7 SAVING THE MEASUREMENT RESULTS File 7 1 Saving files Save and Save Next 7 2 Managing the files saved in the internal and external memory File Manager 7 2 1 Setting the directory for saving files Set Working Directory 7 2 2 Creating new catalogue and new file 7 2 3 Deleting all files from Internal memory Delete All 7 2 4 Defragmentation of the internal memory Defragmentation 7 2 5 Opening file catalogue Open 7 2 6 Copying file catalogue Copy 7 2 7 Moving file catalogue Move 7 2 8 Renaming file catalogue Rename 7 2 9 Information about file catalogue Info 7 2 10Deleting file catalogue Delete 7 3 Managing the setup files Setup Manager 7 3 1 Saving the setup files 7 3 2 Operations on the setup files 7 4 Controlling the data storing in the instrument s memory Save Options 8 SETTINGS OF THE INSTRUMENT PARAMETERS Instrument 8 1 Checking the state of the internal battery Battery 8 2 Bluetooth activation Bluetooth 8 3 Selection of the active port Communication Ports 8 4 Setting the external power parameters External Power 8 5 Setting the GPS parameters GPS 8 6 Selection of the IEPE curr
132. results Logger Results The RMS results from FFT analysis can be saved in the logger s file LIS FFT 04 22 Spectrum saving in the logger file is defined by activation deactivation in the Spectrum position by means of the lt 4 gt lt gt push buttons 3 P lt P lt P lt p lt Lv 12 6 Display options in FFT analysis mode SVAN 979 USER S MANUAL 100 The Display list is used for setting the various parameters which are mainly dedicated for the control of the display The following windows contain the elements that influence the presentation of the results of FFT analysis Display Modes enables the user to select the mode of the presentation of the FFT spectra Display Scale enables the user to change the scale of the vertical and horizontal axis of the spectra presentation switch on or off the grid and autoscale Spectrum View enables the user to choose the type of the spectrum to be presented Logger View enables the user to select and present the spectra results stored in the logger files 12 7 Presentation of FFT analysis results The Spectrum position of the Display Modes list is accessible for the FFT function When the Spectrum mode is switched on the measurement screen in the Spectrum visualisation mode is shown here Spectrum Table mode is not available The user may shift the Y axis during the spectrum presentation after pressing the lt Shift gt and lt gt or the lt Shift gt and
133. rigger and alarm functions are available in the standard version of this one channel instrument from Svantek A fast USB 1 1 interface 12 MHz creates a real time link for the PC front end application using the SVAN 979 The USB Host functionality is also available The USB Host controller installed in the instrument enables the user to connect this meter to USB memory sticks USB hard disks USB printers etc With the use of optional interfaces RS 232 Bluetooth or IrDA the instrument can be remotely controlled from the PC Measurement results can be downloaded to the PC using all the interfaces mentioned above The instrument is powered from four AA standard alkaline or rechargeable batteries i e NIMH separate charger is required Powering the instrument from an External DC power source or the USB interface is also possible A robust and lightweight design enhances the exceptional features of this new generation of sound and vibration measurement instrument 1 1 SVAN 979 as a Sound Level Meter amp Analyser e noise measurements Spl Lmax Lmin Lpeak Leq Sel Lden LEPd Ltm3 Ltm5 and 10 x LN Statistics with Type 1 IEC 61672 2002 accuracy in the frequency range 3 15 Hz 20 kHz with GRAS 40AE microphone e parallel Impulse Fast and Slow detectors for the measurements with A B C G Z frequency filters e two measurement ranges 22 dB RMS A 123 dB Peak Low and 30 dB RMS A 140 dB Peak High e 1 1 Octave 15 filters with
134. ring measurement in the presentation display mode For this purpose it is necessary to set the cursor on the field with Raw Smoothed or Integrated text at the right upper corner of the display and change it s content with the lt Alt gt and lt lt gt lt gt push buttons The RT60 View list of the Display menu HS RT60 00 14 enables the user to select which reverberation time results EDT RT 20 or RT 30 and to which 1 3 octave bands will be presented on the display after measurement Cis RT6O 00 14 lt ENT gt Each EDT RT 20 or RT 30 list contains SEMEL LIS RT60 5100 12 lines with 1 3 octave central frequency SFF parameter which can be set on On or Off If On any of 1 3 octave band is swithched off the On relevant results will not be presented on the On On On result display 13 4 Start RT60 measurements SVAN 979 USER S MANUAL 106 Measurements with the use of Decay method OS RT60 00 06 1 Set parameters for Decay RI60 measurements Most used setup is Decay presented below 1s e Method Decay Secs Ms e Recording Time TS 400dB e Time Step 10ms LOG158 e Averaging On Smoothing 3 Os RT60 00 06 e Noise Mar 10 0dB 2 Place the sound power source in the measured room for the sound power aaa source location see the reverberation time measurement ISO standard 3 Place the microphone in one of the selected measurement points for the measurement points location see the rever
135. rom the same address every time It means that each time the data are saved the previous file is overwritten This option is useful for permanent monitoring and remote reading data from the instrument by means of any available interface with the proper period interval In order to read data saved in a RAM file one has to use 4 3 function described in details in App A The RAM File functionality is available only in the Level Meter 1 1 Octave CISLM 63 19 DG 00 40 EJES Be Be Bae Ea Ea E ES SVAN 979 USER S MANUAL and 1 3 Octave mode Replacement of the existing files by the new ones This option is used in remote mode and for the files created with the use of Auto Save function The result of an attempt to save a file with a name which already exists in the memory depends on the setting of the Replace parameter If the position is active then the old file will be erased and the new file will be saved with the same name The message is displayed that such operation is not available in case this position is not active cf the description of the Save Otherwise the existing file is overwritten and will be lost Measurement statistics saving In parallel with main measurements 100 statistical values are calculated the values named from L01 to L99 The Save Statistics is used to set self saving together with the measurement results the complete statistics set of the measurements set by the Integration
136. s are available Battery Bluetooth Communication Ports External Power GPS IEPE Current Keyboard Settings Modem Status Multifunction I O Polarisation Voltage Remote Control Mode RS232 RTC Self Vibration Signal Generator Wireless Transfer Unit Label enables the user to get information about current power source enables the user to configure the Bluetooth operation for communication enables the user to select the active port of the instrument enables the user to select the minimum voltage of the external source when the instrument should be switched off automatically enables the user to select the time zone and switch on off the time synchronization enables the user to choose the correct IEPE current supply enables the user to set the operating mode of the lt Shift gt and the lt Start Stop gt push buttons enables the user to check the status of the modem position becomes active when the GPRS function is switched on enables the user to select the available functionality of the I O port enables the user to choose the polarisation voltage for the instrument s microphone enables the user to configure the Remote Control mode enables the user to set the transmission speed and the timeout in the RS232 interface enables the user to set the Real Time Clock enables the user to check the self vibration levels of the instrument enables the user to switch on the signal generator function ena
137. s view 1 Result line for Profile 1 2 Result line for Profile 2 3 Result line for Profile 3 4 Function name Spl Leq Sel Lden LEPd Ltm3 Ltm5 LN Ovi Peak Max Min in the case of Sound measurements or RMS Ovl Peak P P MTVV in the case of Vibration measurements 5 The name of the implemented filter A C Z in the case of Sound measurements In the case of Vibration measurements this field is skipped 6 Detector time constant in the case of Sound measurements when the detector is exponential IMP I FAST F SLOW S or Lin L when the detector is linear In the case of Vibration measurements this field is skipped Units of the measured value The value of the measured function Elapsed time shows the current second of the measurement The value presented there belongs to the range 1 Integration Period 10 File name when Auto Save function is activated path lt Menu gt File Save Options Auto Save M oOo ON Field description of the Logger view 1 Logger Plot 2 Function name Profile number 3 Function value for cursor position 4 Cursor time position Changing the field content The content of some fields can be changed after pressing the lt 4 gt and lt gt push buttons together with lt Alt gt Changing the active fields Changing the active field is made by pressing the lt gt lt 7 gt vertically or lt 1 gt lt gt horizontally pu
138. saved and this is indicated with an error message There is only one exception when the Repetition Cycles number path lt Menu gt Measurement General Settings is equal to one the Auto Save function is executed disregarding the value of the integration period When the integration period is too short for the Auto Save option the following message appears on the display CISLM CISLM CISLM CISLM OiSLM 64 00 56 Ea Et ES S 02 37 00 57 Ea Ea Ea ES SES M MI M lt lt 00 58 a K EKEK 03 32 SVAN 979 USER S MANUAL Edition the name of the Auto Save file OSLM 01 03 The FileName position appears after switching on the Auto Save function and enables the user to edit the name of the Auto Save file MI MI b lt MI R1 bs To edit the file name the user has to press the lt gt push button The text editing window is opened 65 CISLM 01 03 When the Auto Save option is active after starting the measurements by pressing the lt Start Stop gt push button the results are saved in the file with the selected name Another measurement is started after next pressing of the lt Start Stop gt push button again The measurement is stopped after the selected Integration Period path lt Menu gt Measurement General Settings Integration Period The numbers of the next saved named files are automatically incremented by one The same remarks are valid in
139. saved in this file will be loaded to the instrument s operation memory So if the user presses the lt Start Stop gt push button the instrument will start the following measurement with the newly loaded settings To get information about the date and time the setup file was created the user should select the file and press the lt ENTER gt push button After opening the list of operations select the Info position and press the lt ENTER gt push button again OiSLM OS 171 7 4 Controlling the data storing in the instrument s memory Save Options The Save Options sub list is used for the selection of the options for storing measurement data sets in the instrument s file structure lt is possible to write data into the same part of the memory starting all the time with the same address RAM File to replace the existing file in the memory by a new file with the same name Replace to add to the results the statistics of the measurements Save Statistics to save the results with the automatically incremented name Quick Save to save automatically the results of the measurements Auto Save to save the maximal values of the spectrum Save Max Spectrum and to save the minimal values of the spectrum Save Min Spectrum Saving data starting from the same address The measurement data are usually saved in different files in the flash memory of the instrument There is also the possibility to save data in the RAM file starting f
140. se 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 AN vibrations should not exceed a value of 100 dB when using a calibrator that generates a level of 114 dB 5 Press the lt ENTER gt push button to accept the calibration measurement result 113 85dB The calibration factor is calculated stored and displayed cf next Figure to the right after pressing the lt ENTER gt push button Notice The user can press the lt ESC gt push button to quit the calibration procedure without saving the calibration factor SVAN 979 USER S MANUAL 26 4 3 4 Calibration By Measurement in case of vibration signal Calibration by measurement for the vibration measurements can be done in the following way 1 Select the calibration by measurement highlight the Calibr by Measurement text from the Calibration sub list and press the lt ENTER gt push button 2 Attach the instrument s accelerometer to the vibration calibrator using an appropriate or recommended fixing method 3 Switch on the calibrator and wait approximately 30 seconds before Starting the calibration measurement The default level for calibration in the vibration mode is 10 m s at 159 2 Hz Remember to change this level if using an alternative vibration calibration signal source 10 00m eiF 4 Start the
141. sed 9 4 Setting the coefficients of the user filters User Filters The User Filters position enables the user OSLM 17 50 CSLM 03 15 to introduce the values of the coefficients of the user defined filters lt ENT gt 9 4 1 Introduction the parameters of real time filters Real Time Filters CISLM 03 15 CISLM 12 20 lt ENT gt The Real Time Filters sub list enables the user to introduce the values of the correcting coefficients taken into account in the real time measurements The Real Time Filters sub list contains 3 positions R1 R2 R3 SVAN 979 USER S MANUAL 81 Selecting real time filter CISLM 12 21 The Rx R1 R2 R3 window consists of three positions Type LFC 3dB Bandpass HFC 3dB In case of a band pass filter the user has to determine two 10 0 Hz 10 00 kHz frequencies the LFC 3dB which denotes the Low Frequency Corner and the HFC 3dB which denotes the High Frequency Corner of the Rx filter The amplitude of the input signal is attenuated by half at these frequencies The available values for LFC are from 10 Hz to 10 0 KHz and for HFC the available values are from 100 Hz to 10 00 kHz In the Type position three options are available Highpass Bandpass and Lowpass This parameter denotes the type of the digital filter which has to REECE be implemented All filters mentioned above high pass band pass and low 10 00 kHz pass are the second order with the slope equal to 12 dB o
142. settings in the Network list the Wireless Transfer screen has different sets of positions lf the Off parameter was selected the Network window has two positions Network and Data Transfer If the GPRS network was selected the Wireless Transfer window will have six positions Network Data Transfer Modem Modem Connection SMS Options and E mail Settings If the Modbus network was selected the Wireless Transfer window will have three positions Network Data Transfer and Modbus Modbus protocol and its implementation in SVAN instruments is described in Appendix I 74 OSLM 05 12 OsSLM 23 08 OsLM amp 23 09 Communication between modem and SVAN instruments is described in Appendix J 8 16 2 Selection of the data transfer type Data In the Data Transfer window the user can switch off or choose the data transfer type The Type parameter enables the user to select the type of the Wireless Transfer Three options are available Off Continuous and Packet In the case of the Packet type it is possible to select the packet size in bits The available options are 1024 512 256 128 and 64 8 16 3 Configuration of modem basic settings Modem The Modem position enables the user to configure modem basic settings such as modem type and connection types The Modem window contains the following options CISLM 05 15 OISLM 23 11 Off lt ENT gt CISLMO123 13 Continuous lt ENT
143. sh buttons Changing the presentation mode The presentation display screen mode is changed after pressing the lt gt or lt 7 gt push buttons together with lt Alt gt SVAN 979 USER S MANUAL Logger presentation mode The Logger presentation mode depends on the settings made in the Logging list path lt Menu gt Measurement Logging If Logger path lt Menu gt 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 When Logger is switched on and there are results selected for logging then the screen in one profile visualisation mode is as shown here Field description of the Logger view ss Y scale 2 Logger plot 3 Name of the logged result and profile number 4 Name of the logger file 5 Log Time displays the time available for recording the logging results limited by available memory space Cursor position Result value for the cursor position 8 Cursor time position 2 The user may change the cursor position by means of the lt gt lt gt gt push buttons To switch the cursor from one curve to another the user should select the field in the bottom left corner of the display by means of the lt gt lt gt push buttons Then select the appropriate curve by means of the lt 4 gt lt gt push buttons pressed together with lt Alt gt
144. source like pistol shot petard explosion whereas the Decay method is intended for measurements when room is excited by broad or narrow band sound noise source usually pink noise For more details about the measurement and calculation process see Appendix H The reverberation time analysis applied in the instrument consists of two parts 1 The measurement part during which the acoustic response of the room is registered 2 The calculation part during which the reverberation time EDT RT 20 RT 30 and RT User is calculated for the measured room response This chapter describes only the navigation of the instruments whereas Appendix H depicts A Notice lt is recommended to familiarize with the AppendixH before proceeding the definitions and description of the reverberation time measurement 13 1 Selection of RT 60 function In order to select the RT 60 analysis HTE function 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 highlight the RT 60 line and press lt ENTER gt lt ENT gt Notice It is not possible to change the current function during live measurements AN In this case the instrument displays for about 2 seconds the text Measurement in Progress In order to change the current measurement function the instrument must be stopped 13 2 Setting the RT60 parameters
145. st profile calculated during the period depending on selected Detector path lt Menu gt Measurement Profiles 10 0 mi s2 Setting the speed of the triggering signal changes EEEE This position appears when the Grad trigger is chosen The speed of Grad change of the triggering signal Gradient can be set within the range from 1 dB ms to 100 dB ms 10 0 m s 10dB ms 5 3 Setting parameters in a profile Profiles SVAN 979 USER S MANUAL a2 In the Profiles sub list the following OSLM 18 37 parameters can be programmed independently for each user defined profile weighting filter Filter and RMS detector type Detector Weighting filter selection Sound measurements e Z type 1 according to IEC 61672 1 standard e A type 1 according to IEC 651 and IEC 61672 1 standards e C type 1 according to IEC 651 and IEC 61672 1 standards e B type 1 according to IEC 651 standard e G according to ISO 7196 1995 standard e R1 R2 R3 if the Real Time Filters are activated in the Setup list path lt Menu gt Auxiliary Setup User Filters Real Time Filters Vibration measurements acceleration measurements Z HP1 HP3 HP10 Wh velocity measurements Vel1 Vel3 Vel10 and VeIMF displacement measurements Dil1 Dil3 and Dil10 For all types of signal it is possible to use real time filters R1 R2 R3 if they are activated in the Setup list path lt Menu gt Setup User Filters Real Time Fi
146. story of measured results saved in the logger file Fields description of the One Profile view 1 Profile number 2 Function name Spl Leq Sel Lden LEPd Ltm3 Ltm5 LN Ovi Peak Max Min in the case of Sound measurements or RMS Ovi Peak P P MTVV in the case of Vibration measurements 3 Detector time constant in the case of Sound measurements when the detector is exponential IMP FAST SLOW or Lin when the detector is linear and in the case of Vibration measurements 100 ms 125 ms 10 0 s 4 The name of the implemented filter Z A C B G in the case of Sound measurements or HP HP1 HP3 HP10 Vel1 Vel3 Vel10 VeIMF Dil1 Dil3 Dil10 Wh in the case of Vibration measurements The value of the measured function Units of the measured value Elapsed time shows the current second of the measurement The value presented there belongs to the range 1 Integration Period 8 File name when Auto Save Function is activated path lt Menu gt File Save Options Auto Save M Notice In the case the RMS Integration is linear path lt Menu gt Measurement AN General Settings RMS Integration Lin for the Leq Sel Lden LEPd and LN results Lin text appears on the display instead of Imp Fast or Slow detector time constant N O1 SVAN 979 USER S MANUAL 47 N Notice There is no displayed indication of the detector in the case of Peak and Ovl results Field description of the 3 Profile
147. successful detection the headphone icon is switched on The transmission with the use of SV 55 is possible only when the instrument is not connected to a PC with the USB Device port The RS232 position is switched on by default in the Communication Ports list of the Instrument menu Only with this option the USB host controller is woken up and the power consumption is at the lowest level lt ENT gt The user has to be sure that the RS232 port is activated path lt Menu gt Instrument Communication Ports before starting printing reports Additionally in the RS232 list path lt Menu gt Instrument RS232 the user has to select the proper speed of the transmission Baud Rate and the parameter called Time Out CIVLM 03 16 lt ENT gt SVAN 979 USER S MANUAL 85 The RS 232 interface transmission Baud Rate speed can be selected from the following available values 1200 bits second 2400 bits s 4800 bits s 9600 bits s 19200 bits s 38000 bits s 57600 bits s or 115200 bits s The transmission speed should correspond to the same one selected in a printer The other RS 232 transmission parameters are fixed to 8 bits for data No parity amp 1 Stop bit The default value of the Time Out parameter is equal to one but it can be too short period for the printers which are not fast enough In such cases this parameter may have to be increased The description of the SV 55 pin outs Is given i
148. t gt Cis 1 34 00 00 Os 1 3 000 x00 01 CISLM 02 42 At O01S 173 0 03 49 CiSLM 01 31 CiSLM 17 39 SVAN 979 USER S MANUAL Signal Generator The Signal Generator view enables the user to access the display screen which controls the signal generator function of the instrument This position is active only when the Signal Generator function is switched on Active in the Instrument menu path lt Menu gt Instrument Signal Generator In the Signal Generator view the user may move from one field to another with the use of the lt gt or lt 7 gt push buttons and to change the field value pressing the lt 4 gt s and lt gt s push buttons pressed simultaneously with lt Alt gt To switch the Signal Generator on or off the user has to select the Generator field and change its value from Stopped to Running by means of the lt 4 gt or lt gt push button pressed together with lt Alt gt To change the amplitude of the generated signal the user should select the Amplitude field and to change its value by means of the lt lt 4 gt and lt gt push buttons pressed together with lt Alt gt To change the frequency of the generated signal the user should select the Frequency field then select the digit to be changed by means of the lt 4 gt and lt gt push buttons The digit selection will be marked by green cursor arrow at the bottom line of the screen The user may change the val
149. t The second function of a push button written in red colour on a push button can be used when the lt Shift gt push button is pressed This push button can be used in two different ways e as Shift like with a computer keyboard e g while typing the filename both lt Shift gt and the second push button must be pressed together two finger operation e as 2nd Fun this push button can be pressed and released before pressing the second one or pressed in parallel while operating in 2nd Fun mode see the following notice with the second push button one finger operation The lt Shift gt push button pressed in conjunction with lt Alt gt enables the user to activate the Markers on the plots during the measurement lt Alt gt This push button enables the user to choose the third push button function in case of lt Save gt and lt Pause gt push buttons In order to select the third function the user must press the lt Alt gt and the second push button simultaneously Notice Simultaneously pressing the lt Alt gt and lt Start Stop gt push buttons switches the AN instrument on or off lt Start Stop gt This push button enables the user to start the measurement process when the instrument is not measuring or to stop it when the instrument is in course of the measurement It is also possible to set the mode of this push button such that in order SVAN 979 USER S MANUAL 11 A lt ENTER gt lt Menu gt lt S
150. t can be changed after pressing the lt gt and lt gt push buttons together with lt Alt gt Changing the cursor position The user may change the cursor position by means of the lt gt lt gt push buttons Sound pressure decay curve plot IS d Se 14 Name of TO marker position Decay curve plot Central frequency of selected by cursor 1 3 octave band Result value SPL for the cursor position Name of the logger file Cursor position T1 marker position RT60 method Type of data displayed Raw Smoothed or Integrated Calculated steady upper sound level value Calculated steady lower sound level value RT result RT30 RT20 EDT and RT User with calculated reverberation time Cursor measurement time position 108 Os RT60_ 00 1 OS RT60 00 11 Cis RT6O 00 12 OS RT60 00 12 OS RT60 00 12 TO marker position is used as a starting point to all three and the RT User also reverberation time calculations On the display T1 marker position is labelled indicator A7 as EDT RT 20 or RT 30 according to which the most restricted definition of the RT condition is fulfilled SVAN 979 USER S MANUAL Changing the data type When the field 9 is active the type of data displayed Raw Smoothed or Integrated can be changed after pressing the lt 4 gt and lt gt push buttons together with lt Alt gt Changing the 1 3 octave band When the f
151. t of the trigger condition appearance The recording Logger Name LOG142 time can be set in the range 1 30s The Time Step position defines the time step of data registeration sound OS RT60 00 08 pressure level in the logger The parameter value can be selected from the aT raw 2 5 10 20 50 100 ms Ga Dala 4 The Level position In the IMPULSE method the trigger condition appears when the TOTAL sound pressure level exceeds the defined by the Level 100dB user threshold LEVEL value The parameter can be set in the range Logger Name LOG142 24 136 dB with 1 dB step 100 dB default value For the DECAY method is only for indicating purpose the user cannot select anything that the measurement will start when the total sound level value decreases by 10 dB The Logger Name position enables the LIS RT60 500 08 His RT60 5 00 09 user to define the name of the logger file in Method D L N which the data of the RT60 analisysy will be Sar eia Gee IRE recorded The name can be up to eight Recording Time 5s characters long After pressing the lt lt gt Ae ien ate gt eve lt gt push buttons the special window with Logger Name BENGE text editing function is opened The Averaging position enebles the user to swith on the averaging of the Hs RT60 200 09 reverberation time results from several measurements When this option is l J Recording Time oS On the additional visualization level O appears on the display aft
152. t 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 Description of icons 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 type of measurement function and the measurement mode SLM VLM 1 3 etc as well as real time clock RTC is also displayed in the same line together with icons The meanings of the icons are as follows plug icon is displayed when the instrument is powered from the external source play icon is displayed when the measurement is started Internal memory icon is displayed when internal memory is assigned for file saving stop icon is displayed when the measurement is stopped SD Card icon is displayed when external micro SD card memory is assigned for file saving Micro SD card is inserted pause icon is displayed when the measurement is paused RS232 icon is displayed when the RS232 port is activated antenna icon is displayed when the wireless transmission is active GPRS or Modbus is active vibration icon is displayed when self vibration level is exceeded computer icon is displayed when there is a successful USB connection with
153. te central frequency as the source of the triggering signal for the logger Available values of the Source parameter for the 1 1 Octave mode Leq 1 250Hz 500Hz 1 00kHz 2 00kHz 4 00kHz 8 00kHz 16 0kHz Available values for the Source parameter for the 1 1 Octave mode Leq 1 125Hz 160Hz 200Hz 250Hz 315Hz 400Hz 500Hz 630Hz 800Hz 1 00kHz 1 25kHz 1 60kHz 2 00kHz 2 50kHz 3 15kHz 4 00kHz 5 00kHz 6 30kHz 8 00kHz 10 0kHz 12 5kHz 16 0kHz 20 0kHz Level of the triggering signal CISLM 00 30 The level of the triggering signal for the logger Level Level can be set in sound modes in 1 dB steps in the range from 24 dB to 136 dB and in Hk vibration modes from 1 00 mm s to 10 0 km a Gena s The Level value of the triggering signal for the logger refers to the instantaneous value of the RMS result from the first profile calculated during the period depending on selected Detector 1 path lt Menu gt Measurement Profiles Pre and post trigger recording In the Pre line the number of results recorded in the logger s file before the fulfilment of the triggering condition can be set This number is within the limits 0 50 In the Post line the number of the results recorded in the logger s file after the fulfilment of the triggering condition can be set This number is within the limits 0 200 The period of the measurements that are saved in the logger before or after the fulfilment of the triggering
154. ter body The full description of the signals connected to the sockets is given in Appendix C Bottom cover of the instrument In the bottom cover there are four sockets placed from the right to the left as follows Ext 6 24Vdc USB Host USB Device and I O There is a micro SD memory card socket under the bottom cover of the instrument and spaces for the 4 x AA batteries 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 PC In the instrument the standard 4 pin socket is used and described in detail in Appendix C The USB Host interface can be used to connect an external USB Memory Stick or USB hard disk enabling the device to register virtually infinite sequence of measurement results The additional multi purpose input output socket called I O is a two pin LEMO socket On this socket in the case when the Analogue Output functionality is selected the signal from the input of the analogue digital converter before any frequency correction is available This signal can be recorded using magnetic recorder or observed on the oscilloscope The 13 SVAN 979 USER S MANUAL 14 Digital Input is another functionality that serves as the external trigger to the instrument while the Digital Output is used to generate the trigger pulse or alarm pulse from the instrument The user can connect an external DC power 6 24V adapter to the
155. the PC lightning icon is displayed when polarisation voltage is 200V curve icon is presented when the current measurement results are logged in the instrument s logger file Trigger Level icon is displayed when the trigger condition is set up to Level The icon appears alternately with the play icon arrow up icon is displayed when overload appears Trigger Level icon is displayed when the trigger condition is set up to Level arrow down icon is displayed when under range appears USB Disk icon is displayed when USB disc is assigned for file saving USB disc is connected and activated Trigger Slope icon is displayed when the trigger condition is set up to Slope Trigger Slope icon is displayed when the trigger condition is set up to Slope tone icon is displayed during wave recording and event recording E no D SnB Em k SVAN 979 USER S MANUAL 20 windscreen is applied windscreen icon is displayed when Alt icon is displayed when the lt Alt gt push button is pressed cable cable icon is displayed when microphone is connected via extension Shift icon is displayed when the lt Shift gt push button is pressed and starts to blink clock icon is displayed when the timer is On Is active when the instrument is waiting for the measurement
156. the Direct option is selected the instrument reacts on With Shift each of the lt Start Stop gt push button press starting or stopping the measurements When the With Shift option is selected the lt Start Stop gt push button operates at the same time as or in a sequence with lt Shift gt The measurements are started or stopped after pressing both push buitons Backlight mode selection OSLM21 44 In the Backlight position the user can switch keyboard backlight on or off Direct Direct sound mode selection u a M In the Push Key Sound position the user can switch keyboard sound on or off During the actual measurement the key sound is not active even if it was switched on in the Keyboard Settings window 8 8 Checking the modem status Modem Status The Modem Status position is active only HVETE Osim 105 24 when the GPRS function is switched on path lt Menu gt Instrument 4 Wireless Transfer Network GPRS on It enables the user to check the status of the modem lt ENT gt 8 9 Setting parameters of the I O port Multifunction I O The Multifunction I O enables the user to CISLM 02 57 CISLM 04 35 select the available functionality of the I O Analog Out port Selection of the mode of I O port In the I O Mode it is possible to select the function of the instrument s 2 pin Lemo SVAN 979 USER S MANUAL socket named as I O The I O jack socket can be used as e the output of th
157. tion of the internal memory Defragmentation The Defragmentation option is used to make the Internal memory space SEMIAR 01 56 contiguous All new files are saved starting from the beginning of the free memory space The memory occupied by the deleted file assuming that the file was not the last one remains unused for the next file saving process After the removing a file the memory space becomes discontinuous with unused parts which will not be used in the future The situation changes after the process called defragmentation During this process the files saved in the files memory are moved in order to obtain the continuous occupied space and moving all the free space to the end of the memory After pressing the lt ENTER gt push button on the active Yes option the 0OsS 1 1 amp 19 00 instrument checks whether the used result and setup files memory is continuous or not If this memory is continuous the Defragmentation operation is not executed and the special message is displayed The instrument waits for the reaction of the user any push button should be pressed except lt Shift gt and lt Alt gt and after pressing a push button it returns to the Defragmentation sub list SVAN 979 USER S MANUAL 60 If there are valid conditions to execute the Defragmentation operation the current progress of defragmentation is shown on the display After successful defragmentation the special message is displayed and the instrument waits
158. ts the recording 5 11 Description of an exemple timer function SVAN 979 USER S MANUAL 44 The Timer function is used to programme the instrument to switch on at the desired time and perform the measurements with the parameters set in the Measurement sub list Let us assume that the user wants to switch on the instrument the 1 of March at 20 50 measure the sound for 10 seconds without using logger and save the results in a file named R1 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 activate the Auto Save function path Menu File Save Options name the file the File Name window is opened after switching on the Auto Save function and finally switch off the instrument The instrument will be switched on the 1 of March at 20 50 and will be warmed up for the period of 60 seconds decrementing the counter visible on the display by one after each second After warming up the instrument and the preset Start Delay time 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 In this example the delayed start time on the meter can be configured any time during the previous month It is recommended that for simplicity the Start Delay time is set to 0 seconds for use with the Timer function CISLM
159. ue of the selected digit by means of the lt lt gt and lt gt push buttons pressed simultaneously with lt Alt gt 51 Statistics MI File Info N MI VI Meter Table GPS Signal Generator Eq CISLM 01 47 1 000 7 03 950 1 000 503 950 OsLMAO02 35 Running 1 000 7 503 950 i OSLM 02 43 Running 1 001 J950 7 lt Alt gt gt lt Alt gt 6 2 Setting scale and grid of the plot Display Scale The Display Scale sub list enables the user to change the displayed dynamic scale in the available modes of graphical presentation of the measurement results and switch the horizontal grid lines on or off CISLM 02 28 1 000 7 503 950 1 000 7 503 950 7 OsSLMAO02 36 Running 1 001 7 503 950 CiSLM 00 04 Running 1 001 53 960 i OsLM 00 32 Display Modes Display Scale Logger View Screen Setup Themes SVAN 979 USER S MANUAL Scale of the plot The Scale position is accessible only in the case of Vibration measurement modes Two options are available Lin linear and Log logarithmic In case of the Lin the graphical presentation and the units are linear In case of Log the graphical presentation is given in the logarithmic scale and the measurement results are expressed in decibels the result is relative to the values set in the Reference Levels window path lt Menu gt Auxiliary Setup Reference Levels
160. ues can be selected from 1s to 8h When Pre Trigger is switched on then the event signal starts to record before the triggering condition This time length interval is fixed and depends on the selected sampling frequency For 48 kHz the time interval is 1s for 24 kHz the time interval is 2 s for 12 kHz the time interval is 4s 5 4 5 The marker setup Marker Setup OYLM 05 42 On Trigger 48kHz Off x lt 10 0 m s2 Marker is used to mark or highlight special events during the measurement such as airplane flight and is nothing but an indication of the beginning and end of the block of logger results in which the event occurred In case of point markers there is no start and end of the marker but only one record in the logger file Markers are activated in the result presentation window by pressing the arrow keys SVAN 979 USER S MANUAL The Marker Setup enables the user to assign a specific name for each marker select its type normal or Point and define markers for event recording The Event column is active only when Trigger on Marker path lt Menu gt Measurement Logging Event Recording is switched on CISLM 05 54 Logger Setup Logger Results Logger Trigger Event Recording Marker Setup Wave Recording O SLM Events On Trigger Audio Sampling 48kHz Trigger Off Trigger on Marker gt lt 5 4 6 Wave recording setup Wave Recording The Wave Recording enables the user to activat
161. ument There are two ranges available High and OIVLM 203 45 Low The detailed description of the measurement ranges parameters is given in App C After pressing the lt ENTER gt push button the change is confirmed and the window closes Press the lt ESC gt push button to return to the Measurement list ignoring any changes made in the sub list Low 5 8 Exposure time setting Exposure Time The Exposure Time enables the user to set TEDW 20 33 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 sound mode in Vibration and voltage Vibration modes it is taken off from the T lt gt Measurement list SVAN 979 USER S MANUAL The Exposure Time values are within the range 00h01 08h00 The required value can be set using the lt 4 gt lt gt push buttons after each button press the exposure time is decremented incremented by one minute The step can be decremented incremented in 30 minutes steps by pressing the lt 4 gt lt gt push buttons together with lt Shift gt 5 9 Setting ten statistical levels Statistical Levels The Statistical Levels position is available only in the case of the sound measurements in the Sound Meter or Voltage Sound modes In the Statistical Levels window it is possible to define ten statistical LN levels named from N1 to N
162. ush buttons The available ASCII characters can be changed using the lt gt or lt 7 gt push button The subsequent digits underline upper case letters and SVAN 979 USER S MANUAL 17 Space appear on the display in the inversely displayed position after each OSLM 00 25 press of the above mentioned push buttons The user can insert or delete the position in the edited text using the lt gt lt gt push buttons pressed together with lt Alt gt Help information In most windows the last line or several lines at the bottom of the screen contain help information It informs the user how to select or modify the parameters value change the character in the text line etc Inactive parameters If some functions or parameters are not available the positions in the menu or parameter lists linked with this function or parameter became inactive their colour became grey For example if Logger path lt Menu gt Measurement Logging Logger Setup is switched off the Logger presentation mode is not active 3 2 Powering of the instrument The SVAN 979 can be powered by one of the following sources e External DC power source 6 V DC 24 V DC 1 5 W e SA 17A external battery pack operation time gt 24 h option e Four AA standard size internal batteries In the case of alkaline type a new fully charged set can operate more than 12 h 6 0 V 1 6 Ah Instead of the ordinary four AA recharge
163. will be performed after the period set by Integration Period field The name of the file with the main results is changed after each saving file name number increases by one When the Logger is switch on and the logging results have been defined then in parallel with measurements during Integration Period results the partial measurement results are saved in the file with the interval step defined by Logger Step parameter Up to 12 results can be logged simultaneously from three independent user defined profiles of the instrument Peak Max Min RMS for sound measurements or Peak P P Max RMS for Vibration measurements with time step down to 2 ms 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 to Integration Period multiplied by Repetition Cycles after pressing the lt Start Stop gt push button or after stopping the measurements remotely REP CYCLE REP CYCLE REP CYCLE REP CYCLE signal amplitude main results integration period from T to 2T main results files time history PEAK MAX MIN or RMS LOGGER STEP Relations between Integration Period and Logger Step 5 4 2 Results selection Logger Results The Logger Results list enables the user to HISLM CERE CISLM 1 03 55 activate the results for three independent user defined profiles which will b
164. wing items are available 79 DOISLM 15 51 lt ENT gt Language enables the user to select the language of the user interface Factory Settings enables the user to return to the default factory settings Reference Levels enables the user to select the reference level for the Vibration measurements and it informs the user about the reference level in the Sound measurements User Filters enables the user to select and set the correcting values for all real time and the 1 1 1 12 octave filters Vibration Units enables the user to select the Vibration units in which the results of the measurements are to be given This position appears only in Vibration modes 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 a special code has to be entered If at power on an unknown instrument language interface appears on the display the user can reset the instrument by means of the four lt Shift Enter Alt Start gt push buttons pressed together After this the instrument will go back to the default setup with the English interface OsSLM 15 53 lt ENT gt 9 2 Return to the factory settings Factory Settings The Factory Settings
165. witch on or off the grid and autoscale Spectrum View enables the user to choose the type of the spectrum to be presented and to activate the Max and Min spectrum Spectrum Type enables the user to change the spectrum type presented on the display Acceleration Velocity and Displacement Logger View enables the user to select and present the spectra results stored in the logger files 11 8 Presentation of 1 1 Octave 1 12 Octave analysis results The Spectrum and Spectrum Table positions of the Display Modes list are accessible only for instruments fitted with the 1 1 Octave 1 12 Octave functions When the Spectrum mode is switched on the measurement screen in the Spectrum visualisation mode is shown here for octave and third octave bands in the sound mode Field description of the Spectrum view Type of spectrum Cursor position Value for the cursor position Averaging used Spectrum plot Frequency pre weighting filter used Total values Central frequency for the cursor position So ea The user may shift the Y axis during the spectrum presentation after pressing the lt Shift gt and lt gt or the lt Shift gt and lt 7 gt push buttons OS 171 18 27 0OS 171 18 27 lt ENT gt S 171 23 15 S 1 3 4123 14 SVAN 979 USER S MANUAL The user may change the cursor position by means of the lt gt lt gt push buttons The frequency and appropriate value are presented in the line below the
166. ypes can be selected in the Screen Setup Spectrum Type window Acceleration Velocity or Displacement lt ENT gt 11 12 Setting filter coefficients for 1 1 Octave 1 12 Octave analysis Spectrum Based Filter 0OS 171 20 08 Filter Select Filter Edit Filter Clear The Spectrum Based Filter sub list path Os 17 1 19 28 lt Menu gt Auxiliary Setup User Filters P TP T PeF enables the user to introduce the values of the filter coefficients correcting the results of the 1 1 Octave 1 12 Octave analysis The results of the analysis the Total values can be modified by the introduced factors lt ENT gt Selection the user filter for total value calculation Filter Select The Filter Select sub list enables the user to select the filter S1 S2 S3 S4 or S5 used for calculation of the SVAN 979 USER S MANUAL 95 Total values The filter selection is different for Sound and Vibration modes Sound modes 0Os 171 amp 19 30 In the Filter Select window the user may select one of five above S1 mentioned filters S1 S2 S3 S4 and S5 for 1 2 or 3 User Total values mo calculations Vibration modes OVvet71 19 34 In the Filter Select window the user may open three User Total window S1 Acceleration In the User Total window the user may select one of five filters S1 S2 S3 0 0dB S4 and 5 set the calibration factor and type of integration filter for measuring Acceleration Velocity and Displacement Setting t

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