Svantek SVAN 977W User Manual
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Svantek SVAN 977W User Manual

Sound & vibration analyser
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USER MANUAL
SVAN 977W
SOUND &
VIBRATION ANALYSER
Copyright © 2017 SVANTEK. All rights reserved.
Warsaw, February 2017

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Summary of Contents for Svantek SVAN 977W

  • Page 1 USER MANUAL SVAN 977W SOUND & VIBRATION ANALYSER Copyright © 2017 SVANTEK. All rights reserved. Warsaw, February 2017...
  • Page 2 Svantek provides this document “as is,” without warranty of any kind, either expressed or implied, including, but not limited to, its particular purpose. Svantek reserves the right to make improvements and/or changes to this manual, or to the products and/or the programs described in this manual, at any time.

  • Page 3: Table Of Contents

    SVANTEK 977W User Manual CONTENTS INTRODUCTION 1.1. SVAN 977W as Sound Level Meter & Analyser 1.2. SVAN 977W as Vibration Level Meter & Analyser 1.3. General features of SVAN 977W 1.4. Accessories included 1.5. Accessories available 1.6. Software options available MANUAL CONTROL OF THE INSTRUMENT 2.1 Control push-buttons on the front panel...
  • Page 4 SVANTEK 977W User Manual 5.4.5 Setting the event recording – Event Recording 5.4.6 Setting the markers – Marker Setup 5.4.7 Setting the wave recording – Wave Recording 5.5 Setting the 1/1 Octave and 1/3 Octave spectra – Spectrum 5.6 Selection of the microphone compensation filters – Compensation Filter 5.7 Setting the measurement range –...
  • Page 5 SVANTEK 977W User Manual 8.9.4. Configuration of SMS service - SMS Option 8.9.5. Configuration of e-mail service - E-mail Settings 8.10. Checking of the instrument specification - Unit Label SETTING THE AUXILIARY PARAMETRS – Auxiliary Setup 9.1. Setting language of the user interface – Language 9.2.
  • Page 6 SVANTEK 977W User Manual 11.3.4. Selection of the spectrum type in Vibration mode - Spectrum Type FFT ANALYSER 12.1. Selection of the FFT function 12.2. Setting the FFT analyser 12.2.1. Setting the measurement range for FFT - Range 12.2.2. Setting the parameters of FFT analysis - FFT 12.3.

  • Page 7: Introduction

    A fast USB 1.1 interface (12 MHz) creates a real-time link for the PC "front-end" application of the SVAN 977W instrument. With the use of optional interfaces (RS 232) the instrument can be remotely controlled from the PC with the use of SvanPC++ software.

  • Page 8: Svan 977W As Sound Level Meter & Analyser

    SVANTEK 977W User Manual SVAN 977W as Sound Level Meter & Analyser 1.1.  noise measurements (Spl, Lmax, Lmin, Lpeak, Leq, Sel, Lden, LEPd, Ltm3, Ltm5 and 10 x LN% statistics) in accordance with Type 1 IEC 61672-1:2013 accuracy in the frequency range 20 Hz to 20 kHz with the SV 7052 microphone (3.15 Hz ÷...

  • Page 9: Accessories Available

     SV 977_5 RT60 option for the SVAN 977W  SV 977_8 RPM Rotation measurement option (excluding Laser Tachometer) for the SVAN 977W  SV 977_15 Time domain waveform signal recording (to the micro SD card: *.srt or *.wav format) for...

  • Page 10: Manual Control Of The Instrument

    SVANTEK 977W User Manual 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.
  • Page 11 SVANTEK 977W User Manual Note: Changing the <Start/Stop> push-button mode is performed in the Keyboard Settings window of the Instrument list (see description of the Instrument list). <ENTER> This push-button enables the user to enter the selected position shown on the screen Menu list or to confirm selected settings.
  • Page 12 SVANTEK 977W User Manual  change the relationship between the Y-axis and X-axis of all plots presented on the screen. The ▲ or ▼ push-buttons pressed together with <Alt> enable the user specifically to: [▲,▼]  change the mode of result presentation;...

  • Page 13: Input And Output Sockets Of The Instrument

    SVANTEK 977W User Manual Input and output sockets of the instrument Top cover of the instrument The measurement input is placed in the centre of the instrument’s top cover. It is the TNC compatible socket. The SV 12L microphone preamplifier has a specially designed matching TNC plug and a locking screw to secure the preamplifier to the meter body.

  • Page 14: Instrument Setting

    SVANTEK 977W User Manual 3. INSTRUMENT SETTING To perform measurements using the instrument the user only should connect the preamplifier with the microphone already screwed on or the proper vibration transducer and to switch the power on by pressing the <Alt>...
  • Page 15 SVANTEK 977W User Manual  Changing of the value in a selected position is performed by the ◄ or ► push-buttons (or pressed together with <Shift>). Option list The option list consists of different choices, from which only one may be selected.

  • Page 16: Powering Of The Instrument

    Logging / Logger Setup) is switched off, the Logger view mode is not active! 3.2. Powering of the instrument The SVAN 977W can be powered by one of the following sources:  Four AA standard size internal batteries. In case of alkaline type, a new fully charged set can operate more than 12 h (6.0 V / 1.6 Ah).

  • Page 17: Turning The Instrument On

    SVANTEK 977W User Manual When the instrument is powered from the internal batteries the “battery” icon is presented on the top of the display and the Battery window presents the battery status scale and battery voltage: Voltage: x.xxV. The colour of the battery and the scale reflects the battery capacity: green (>75%), yellow (>25%),...
  • Page 18 SVANTEK 977W User Manual Setting the measurement parameters The instrument as sold has default settings which the user may change, but always return to them with the use of Factory Settings option in the Auxiliary Setup menu. Next chapters of the manual will describe in details what each parameter means and how to change the instrument settings.

  • Page 19: Description Of Icons

    SVANTEK 977W User Manual 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, S:1/1 etc.) as well as real time clock (RTC) is also...

  • Page 20: Data Storage

    SVANTEK 977W User Manual “clock” icon is displayed when the timer is “battery” icon is displayed when the On. It is active when the instrument is waiting instrument is powered from the internal for the measurement start up to occur. When batteries.
  • Page 21 SVANTEK 977W User Manual New file or directory Wave file .WAV Setup file .SVT Managing directories and files The user can manage the files saved on SD card with the help of the File Manager or Setup Manager function of the File menu.
  • Page 22 SVANTEK 977W User Manual The screens below show the automatic file saving during two subsequent measurements. Before and during first measurement the file name L30 is displayed. This file is saved automatically in the SD card memory after the measurement stop. After start of second measurement the instrument automatically changes the file name to L31 and this file is saved after stop of the second measurement and so on.
  • Page 23 SVANTEK 977W User Manual After pressing <Save> the New File window appears with the predefined name which has number increased by one to the latest saved. In the New File window the user can enter a new name for the file.

  • Page 24: Files Downloading And Uploading

    SVANTEK 977W User Manual The wave file name is defined automatically using the same rules as for the logger files. The default prefix for the wave files is R. Note: During the measurement run with wave recording to the wave file the “note” icon is displayed.

  • Page 25: Functions Of The Instrument - Function

    SVANTEK 977W User Manual 4. FUNCTIONS OF THE INSTRUMENT – Function To select the Function list, the user should press the <Menu> push-button, select the Function text and press <ENTER>. The Function list contains three elements: Mode, Measurement Function and Calibration.

  • Page 26: Instrument's Calibration - Calibration

    SVANTEK 977W User Manual Optional measurement functions that broaden the application of the instrument can be easily installed. These options can be initially supplied by the manufacturer or purchased later and added by the user. Note: 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”.

  • Page 27: System Check

    SVANTEK 977W User Manual that the instrument is in the measurement process. To change the sensitivity, the current measurement in progress must be finished! 4.3.1. System Check ISO 8041 standard advises users to perform in-situ checks of measurement instrumentation. Checking should be carried out immediately before and after measurements are made.

  • Page 28: Calibration By Sensitivity In Case Of Vibration Signal

    SVANTEK 977W User Manual 2. Set the sensitivity of the microphone taken from its calibration certificate using the <Shift> with ◄ or ► push-buttons and then press <ENTER>. After pressing the <ENTER> push-button and confirmation by selecting Yes in the screen with answer “Are you sure?”...

  • Page 29: Calibration By Measurement In Case Of Acoustic Signal

    (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 977W is equal to 114 dB). It is also necessary to switch the instrument Range to the High level setting.

  • Page 30: Calibration By Measurement In Case Of Vibration Signal

    SVANTEK 977W User Manual It is recommended to repeat the calibration measurement a few times to ensure the integrity of the calibration. The obtained results should be almost identical (with ±0.1 dB difference). Some possible reasons for unstable results are as follows: ...

  • Page 31: History Of Calibrations - Calibration History

    SVANTEK 977W User Manual Note: During the calibration measurement, the external disturbances (vibrations or acoustic noise) should not exceed a value of 1/10 of the level of the calibration level signal being used. 4.3.6. History of calibrations – Calibration History The Calibration History window displays records of performed calibrations.

  • Page 32: Post Measurement Calibration - Post Calibration

    SVANTEK 977W User Manual 4.3.8. Post measurement calibration – Post Calibration Sometimes it is required to perform so called post-calibration of the instrument. Position Post Calibration enables the user to perform additional calibration after a measurement session and add the results to the file saved in the memory.

  • Page 33: Measurement Parameters Setting - Measurement

    SVANTEK 977W User Manual 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 should press the <Menu> push- button, select the Measurement text and press <ENTER>.

  • Page 34: Setting The Measurement Parameters - General Settings

    SVANTEK 977W User Manual Setting the measurement parameters - General Settings The General Settings list consists of the following parameters: the delay of the start of measurements (Start Delay), the maximum delay period for the synchronization with RTC (Start Sync.), the...
  • Page 35 SVANTEK 977W User Manual Note: It is not possible to set the integration period less than 1 minute if Repetition Cycle is set to Inf. This is specific of Welmec series of the instruments. To set the integration period the user should define the required hours, minutes and seconds fields.

  • Page 36: Setting The Measurement Trigger - Measurement Trigger

    SVANTEK 977W User Manual The Rolling Time(1 & 2) parameters define „time frame” for "Rolling Leq" calculation. The Rolling Leq are presented as LR+<time frame>. For example, if the Rolling Time is equal to 30 minutes, the appropriate result will be named as LR30 and will be calculated each second as Leq of last 30 minutes.

  • Page 37: Setting Parameters For Profiles - Profiles

    SVANTEK 977W User Manual Note: When measurement is waiting for the level trigger the “trigger level” icon appears alternatively with the „play” icon. Gradient type trigger When Grad + is selected, the triggering condition is checked every 0.5 millisecond of the measurement. The measurement is recorded only when the...

  • Page 38: Setting Of The Data Logging - Logging

    SVANTEK 977W User Manual Weighting filter selection Sound measurements  Z type 1 according to IEC 61672-1 standard,  A type 1 according to IEC 651 and IEC 61672-1 standards,  C type 1 according to IEC 651 and IEC 61672-1 standards, ...

  • Page 39: Setting The Logger General Parameters - Logger Setup

    SVANTEK 977W User Manual Relations between Integration Period and Logger Step The Logging list enables the user to program the logger functionality - recording of the measurement time history results; and program markers and parameters of the signal recording (event or wave). The...
  • Page 40 SVANTEK 977W User Manual The Logger position switches on the functionality, which enables the user to save selected results from the three profiles, spectra as well as meteo results, taken from special Meteo module, with the defined interval selected in the Logger Step position.

  • Page 41: Selection Of Results For Logging - Logger Results

    SVANTEK 977W User Manual one number is opened for subsequent measurement data. If Spec. Time is selected 6 additional lines appear in the end of the Logger Setup list. Opening each line the user can define the time of the day when the split will take place.

  • Page 42: Setting The Logger Trigger Parameters - Logger Trigger

    SVANTEK 977W User Manual 5.4.4 Setting the logger trigger parameters – Logger Trigger The Logger Trigger parameters influence the way the measurement results are saved in the logger. It is a context sub-list in which: the trigger can be switched off or its type...

  • Page 43: Setting The Event Recording - Event Recording

    SVANTEK 977W User Manual the RMS result from the first profile calculated during the period depending on selected Detector (1) (path: <Menu> / Measurement / Profiles). Pre and Post trigger registration In the Pre position, the number of the results registered in the logger’s file before the fulfilment of the triggering condition can be set.
  • Page 44 SVANTEK 977W User Manual 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.

  • Page 45: Setting The Markers - Marker Setup

    SVANTEK 977W User Manual In the Trigger Period position, it is possible to select the time interval of checking the triggering conditions. This parameter can be set on: Log. Step (same as Logger Step value), 0.5ms, 100.0ms and 1s. In the Rec. Time position, it is possible to select the time of signal recording after triggering.

  • Page 46: Setting The Wave Recording - Wave Recording

    SVANTEK 977W User Manual 5.4.7 Setting the wave recording – Wave Recording The Wave Recording position enables the user to activate and to set the parameters of the raw time waveform recording in the special file with the extension WAV. The...
  • Page 47 SVANTEK 977W User Manual If the Integr. Period trigger defined the signal is recorded every time the measurement starts and ended after the Integration Period time, defined in the General Settings window (path: <Menu> / Measurement / General Settings). Note: When wave recording is waiting for the slope trigger the “trigger slope”...

  • Page 48: Setting The 1/1 Octave And 1/3 Octave Spectra - Spectrum

    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 977W instrument (SV 7052) 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.

  • Page 49: Setting The Rpm Measurements - Rpm

    SVANTEK 977W User Manual There are two ranges available: High and Low. The detailed description of the measurement ranges parameters is given in App. C. After pressing the <ENTER> push- button the change is confirmed and the window closes. Press the <ESC> push- button to return to the Measurement list ►...

  • Page 50: Setting The Exposure Time - Exposure Time

    SVANTEK 977W User Manual The Pulse/Rot. position enables the user to select the number of pulses per one rotation. Available values are in the range: 1..360. The Unit position enables the user to select the unit of the measurement. Two option are available: revolutions per minute (rpm) and revolutions per second (rps).

  • Page 51: Programming The Instrument's Internal Timer - Timer

    SVANTEK 977W User Manual Programming the instrument’s internal timer – Timer 5.11 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...

  • Page 52: Example Timer Execution

    SVANTEK 977W User Manual buttons analogously to the Start Hour position. Note: 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 of the instrument must be within one month ahead.

  • Page 53: Setting The Data View - Display

    SVANTEK 977W User Manual 6. SETTING THE DATA VIEW – Display The Display list contains the elements that enable user independently programme the display parameters. The content of the Display list is different spectrum analyser functions (1|1 Octave, 1/3 Octave and FFT) in regards to the Level Meter function.
  • Page 54 SVANTEK 977W User Manual Field description of the One Result view 1. Logger file name. 2. Profile number. 3. The value of the measured function. 4. The name of the implemented filter: Z, A, C, B, G in case of Sound measurements or HP, HP1, HP3, HP10, Vel1, Vel3, Vel10, VelMF, Dil1, Dil3, Dil10, Wh in case of Vibration measurements.
  • Page 55 SVANTEK 977W User Manual Fields description of the One Result view 1. Profile number. 2. Function name: Spl, Leq, Sel, Lden, LEPd, Ltm3, Ltm5, LN%, Ovl, Peak, Max, Min in case of Sound measurements or RMS, Ovl, Peak, P–P, MTVV in case of Vibration measurements.
  • Page 56 SVANTEK 977W User Manual Fields description of the 3 Profiles 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%, Ovl, Peak, Max, Min in case of Sound measurements or RMS, Ovl, Peak, P–P, MTVV in...
  • Page 57 SVANTEK 977W User Manual Logger view The Logger view mode depends on the settings made in the Logging list (path: <Menu> / Measurement / Logging). If Logger (path: <Menu> / Measurement / Logging / Logger Setup) is switched off the Logger view mode is not active! =>...

  • Page 58: Setting The Units And Scale Of Result Presentation - Display Scale

    SVANTEK 977W User Manual Statistics view 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 axis Y defines the calculated noise level in dB.
  • Page 59 SVANTEK 977W User Manual Scale of results presentation The Scale position defines the units of results: Lin (linear) and Log (logarithmic). In case of Log the graphical presentation is given in the logarithmic scale and the measurement results are expressed in decibels (the result is related to the values =>...

  • Page 60: Setting View Of The Logger Plot - Logger View

    SVANTEK 977W User Manual 6.3 Setting view of the logger plot - Logger View The Logger View position enables the user to change the colour of the logger curves. Every logger curve shows the history of one result measured in a profile, like Peak(1). It...
  • Page 61 SVANTEK 977W User Manual 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.

  • Page 62: Managing The Files - File

    SVANTEK 977W User Manual 7. MANAGING THE FILES – File The File list enable the user to manage the data and setup files saved in the external memory (micro SD Card). The File list contains the following items: <ENT> File Manager enables the user to manage the files saved on SD card;...

  • Page 63: Managing Files Saved In The External Memory - File Manager

    SVANTEK 977W User Manual 7.1 Managing files saved in the external memory – File Manager The File Manager is used for checking the memory content, create new directories and files, select directory for saving files, delete files and directories. <ENT>...

  • Page 64: Opening File - Open

    SVANTEK 977W User Manual 7.1.2 Opening file – Open The user can open logger file from the file list. To do this the user should select the file and press the <ENTER> push-button. After opening the command list select the Open position and press <ENTER>...

  • Page 65: Renaming Files - Rename

    SVANTEK 977W User Manual If the Delete All command is performed in a root directory, then all files and directories will be erased except three directories: ALARM, SETUP and SVANTEK. These directories are always presented on a SD- disc. <ENT>...
  • Page 66 SVANTEK 977W User Manual Saving the setup files It is possible to save only current instrument’s settings. To save current settings in the setup file the user should press <ENTER> on the Save Setup position and to edit the setup file name in the special window.

  • Page 67: Setting The Hardware Parameters - Instrument

    SVANTEK 977W User Manual 8. SETTING THE HARDWARE PARAMETERS – Instrument The Instrument list is directly related to the settings of the hardware components of the instrument. To open the Instrument list, the user should press the <Menu> push- button, select the Instrument position and press <ENTER>.

  • Page 68: Setting The Interface Parameters - Communication Ports

    SVANTEK 977W User Manual The view presented on the display for each of three kinds of possible power sources is different. The current battery voltage is displayed together with its approximate state (in graphical format). When the instrument is powered from a set...

  • Page 69: Setting The External Power Parameters - External Power

    SVANTEK 977W User Manual 8.4. Setting the external power parameters - External Power The External Power position enables the user to select the minimum voltage of the external DC power source, when the instrument should switched automatically (Power Off) or the voltage...

  • Page 70: Setting Parameters Of The I/O Port - Multifunction I/O

    SVANTEK 977W User Manual <Start/Stop> push-button working mode selection In the Start/Stop position the user can choose between Direct and With Shift. When the Direct option is selected, the instrument reacts on each the <Start/Stop> push-button press, starting stopping measurements.
  • Page 71 SVANTEK 977W User Manual Digital output function 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 of the trigger pulse (Trigger Pulse) which starts the measurement in another “slave...

  • Page 72: Setting The Instrument's Internal Real Time Clock - Rtc

    (path: <Menu> / Instrument / Wireless Transfer / E-mail Settings). Note: SMS and e-mails can be send in case the instrument is working with the modem (for example, as a part of SVANTEK monitoring stations) 8.8. Setting the instrument’s internal Real Time Clock – RTC The RTC position enables the user to programme the internal Real Time Clock.

  • Page 73: Setting The Remote Communication - Wireless Transfer

    8.9. Setting the remote communication - Wireless Transfer SVAN 977W instrument is not equipped with the modem and itself cannot assure data transfer via GPRS network. However, it can control data transfer via external modem that supports GPRS connection with the help of Wireless Transfer functionality.
  • Page 74 SVANTEK 977W User Manual Note: For connection with SvanNET server the positions in the Modem list should be set on default values as is shown on the screen-shots abowe and right-side. The Modem window contains the following options:  Internet Cfg – selecting this option ensures that the device is set to automatically configure the modem.

  • Page 75: Setting Of Support Modem Options - Modem Connection

    SVANTEK 977W User Manual 8.9.3. Setting of support modem options - Modem Connection Modem Connection position enables the user to configure several supporting options required by 3G modem to establish internet connection. More about this option is written in Appendix (Configuration Registration).

  • Page 76: Configuration Of Sms Service - Sms Option

    SVANTEK 977W User Manual Editing each position is performed in the special window with the text editor function, which is opened after pressing the ◄ or ► push-buttons. 8.9.4. Configuration of SMS service - SMS Option The SMS Options position allows the user to configure SMS service used for alarm notification.

  • Page 77: Checking Of The Instrument Specification - Unit Label

    CRC as well as serial numbers of preamplifier and microphone. Note: The contents of the Unit Label window should be always sent to Svantek’s service department or official representative in case of any problems faced by the user during the...

  • Page 78: Setting The Auxiliary Parametrs - Auxiliary Setup

    SVANTEK 977W User Manual 9. SETTING THE AUXILIARY PARAMETRS – Auxiliary Setup The Auxiliary Setup list provides the user with additional features that allow, for instance, customize the interface device to a specific user and are not directly related to the hardware components of the instrument.

  • Page 79: Setting The Reference Levels - Reference Levels

    SVANTEK 977W User Manual 9.3. Setting the reference levels - Reference Levels The Reference Levels sub-list enables the user to set the reference levels of the vibration signal for acceleration (Acc), velocity (Vel) and displacement (Dil). In case of sound measurements - to inform the user about the used reference level.
  • Page 80 SVANTEK 977W User Manual Saving the measurement results in a file When the Results Not Saved position is On, a special warning will be displayed after pressing the <Start/Stop> push-button in a case when the results of the previous measurement were not saved.

  • Page 81: Welmec Settings - Welmec

    SVANTEK 977W User Manual 10. WELMEC SETTINGS – Welmec The Welmec list contains positions directly related with the WELMEC requirements for built-for-purpose measuring instrument (type P) for acoustic measurements. This position is active in the Sound Meter mode. To open the Welmec list the user should press the <Menu>...

  • Page 82: Selecting Data Records By Id - Find Records By Id

    SVANTEK 977W User Manual The record includes: record Id number, record CRC, time zone, preamplifier and microphone serial numbers, measurement function, compensation filter, range, measurement and pause times, main results. The main results structure depends on the settings in the Profiles list.

  • Page 83: Clearing All Data Records Older Than 2 Years - Clear Records

    SVANTEK 977W User Manual 10.1.4. Clearing all data records older than 2 years – Clear Records The Clear Records position enables the user to delete all records with the creation date older than 2 years from the date of the selected record.
  • Page 84 SVANTEK 977W User Manual In case of Program Update the second page consists of four positions, which describe the status of program update, the program to be updated (main or bootstrap), version of the software and CRC. ▼ In case of Date/Time Change the second...

  • Page 85: Filtering Event Records - Filter Records

    SVANTEK 977W User Manual In case of Hardware Error the second page consists of one positions, which describe the type of error, for example – Device parameters. ▼ In case of Repair the second page consists of one positions, which describe the ID of specific repair that was performed by the service team.

  • Page 86: Selecting Event Records By Date - Find Records By Date

    SVANTEK 977W User Manual 10.2.4. Selecting event records by date – Find Records by Date The Find Record By Date position opens the window where the user can select with the use of ◄ or ► and ▲ or ▼ push-buttons the required record creation date.

  • Page 87: Status Of "Welmec Memory" - Status

    SVANTEK 977W User Manual After the program dump the Bootstrap and Program files names are presented on subsequent screens. <Key> The user may find the files with the memory dump in the selected directory among other files. Note: The PROGRAM.BIN file stored on the SD-card is not executable code and cannot be loaded back to the instrument.

  • Page 88: Instrument Calibration - Calibration

    SVANTEK 977W User Manual 10.6.2. Instrument calibration – Calibration The Calibration sub-list enables the user to calibrate the sound measurement path. The user can calibrate with the use of information of the microphone sensitivity (Calibr. by Sensitivity) or by performing...
  • Page 89 (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 977W is equal to 114 dB). It is also necessary to switch the instrument Range to the High level setting.

  • Page 90: Setting The Preamplifier Serial Number - Preamplifier

    SVANTEK 977W User Manual 10.6.3. Setting the preamplifier serial number – Preamplifier The Preamplifier position enables the authorised user to input the preamplifier serial number. <ENT> 10.6.4. Setting the microphone serial number – Microphone The Microphone position enables the authorised user to input the microphone serial number.

  • Page 91: And 1/3 Octave Analyser

    Thus, the Total values for 1/1 Octave or 1/3 Octave analysis can be different from those obtained for the profiles (if the RMS Integration was set as Exp). The SVAN 977W instrument operates in two ranges, called Low and High, which can be selected in the Range window (path: <Menu> / Measurement / Range).

  • Page 92: Setting The 1/1 Octave Or 1/3 Octave Analyser

    SVANTEK 977W User Manual 11.2. Setting the 1/1 Octave or 1/3 Octave analyser Execution of 1/1 Octave or 1/3 Octave analysis depends on a certain number of parameters, which can be set in the different windows of the Measurement list.

  • Page 93: Setting The Parameters Of 1/1 Octave And 1/3 Octave Analysis - Spectrum

    SVANTEK 977W User Manual 11.2.2. Setting the parameters of 1/1 Octave and 1/3 Octave analysis - Spectrum For active 1/1 Octave or 1/3 Octave functions a context element (Spectrum) appears on the Measurement list (path: <Menu> / Measurement / Spectrum). In the...
  • Page 94 SVANTEK 977W User Manual Ultra (1-31.5k) - 16 filters with centre frequencies 1 Hz ÷31.5 kHz; => 1/3 Octave: Full (0.8-20k) - 45 filters with centre frequencies 0.8 Hz ÷20 kHz, => Ultra (0.8-40k) - 48 filters with centre frequencies 0.8 Hz ÷20 kHz.

  • Page 95: Saving The 1/1 Or 1/3 Octave Spectra As A Time History - Logger Results

    SVANTEK 977W User Manual 11.3. Saving the 1/1 or 1/3 Octave spectra as a time history – Logger Results The RMS results from 1/1 Octave or 1/1 Octave analysis can be saved in the logger file together with the logger results and with the step defined by the Logger Step parameter (path: <Menu>...

  • Page 96: Setting Scale Of The Spectrum Plot - Scale

    SVANTEK 977W User Manual Fields description of the Spectrum view 1. Type of spectrum 2. Cursor position 3. Value for the cursor position 4. Averaging used 5. Spectrum plot 6. Frequency weighting filter used 7. Total values 8. Central frequency for the cursor position The user can shift the Y-axis during the spectrum view after pressing the <Shift>...

  • Page 97: Selection Of The Spectra To Be Viewed - Spectrum View

    SVANTEK 977W User Manual In case of the sound measurements the Scale position is not active. All results are presented in dB. => Scaling the plot vertical axis The Dynamic position enables the user to select the required dynamic range scaling of the spectrum plot.

  • Page 98: Selection Of The Spectrum Type In Vibration Mode - Spectrum Type

    SVANTEK 977W User Manual When the Averaged or 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 switching the Max or Min parameters on.

  • Page 99: Fft Analyser

    SVANTEK 977W User Manual 12. FFT ANALYSER The instrument operates as FFT analyser in a very similar way to the Level Meter. Moreover, 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 view.

  • Page 100: Setting The Measurement Range For Fft - Range

    SVANTEK 977W User Manual 12.2.1. Setting the measurement range for FFT - Range For the FFT function the user can select the input ranges specified in Appendix C, named as Low and High. The selection of the input range is doing in the Range window of the Measurement list.

  • Page 101: Saving The Fft Spectra As A Time History - Logger Results

    SVANTEK 977W User Manual There are two averaging options: Linear and Exponential. In case of Exponential averaging an additional position appears in this window: Time Constant. Time Constant parameter can be selected from the values: 100ms, 125ms, 200ms, 500ms, 1.0s, 2.0s, 5.0s and 10.0s.

  • Page 102: Presentation Of Fft Spectra

    SVANTEK 977W User Manual 12.2.3. Presentation of FFT spectra Spectrum position Display Modes list becomes available in the FFT function and enables the user to switch on or off the spectrum view. => Fields description of the Spectrum view 1. Type of spectrum 2.

  • Page 103: Setting Scale Of Spectrum Plot - Scale

    SVANTEK 977W User Manual 12.2.4. Setting scale of spectrum plot - Scale The Display Scale sub-list enables the user to change the scale of the spectrum plot, switch the grid on or off. <ENT> Scale of results presentation The Scale position defines the units of results: Lin (linear) and Log (logarithmic).

  • Page 104: Selecting The Spectrum Types To Be Viewed - Spectrum View

    SVANTEK 977W User Manual 12.2.5. Selecting the spectrum types to be viewed - Spectrum View In the Spectrum View window (path: <Menu> / Display / Spectrum View), the user can select the different spectra to be visible on the display. In the Spectrum View...

  • Page 105: Reverberation Time Measurement - Rt60

    RMS levels (A, C and Z weighted). Whole measurement process and calculations implemented in the SVAN 977W instrument fulfil the ISO 3382 standard. The reverberation time of the room can be obtained with the use of the SVAN 977W instrument by two measurement methods: Impulse Response Method (Impulse) and Interrupted Noise Method (Decay). The selection of the method depends on the type of the sound source used by the user.
  • Page 106 SVANTEK 977W User Manual The RT60 Settings list enables the user to select the method for RT60 calculation, select the name of the file, where the registered data will be collected, and other parameters for RT60 calculation. The Start Delay position defines the delay period from the moment the <Start/Stop>...
  • Page 107 SVANTEK 977W User Manual The Averaging position enables the user to activate the averaging of the reverberation time results from several measurements. When this option is switched on the Averaging position appears on the RT60 bar plot. => To make averaging of the new results with...

  • Page 108: Setting The Rt60 View

    SVANTEK 977W User Manual The Logger Name position enables the user to define the name of the logger file in which the data of the RT60 analysis will be recorded. The name can be up to eight characters long. After pressing the ◄ or ►...
  • Page 109 SVANTEK 977W User Manual  Noise Mar.: 10.0dB  Level: 100dB Place the sound power source in the measured room (for the sound power source location - see the reverberation time measurement ISO standard). Place the microphone in one of the selected measurement points (for the measurement points location see the reverberation time measurement ISO standard).

  • Page 110: Viewing Of The Rt60 Results

    SVANTEK 977W User Manual Note: The proper value of the sound level trigger threshold should be set well above the background noise and significantly below the maximum sound level emitted by the impulse source. Place the microphone in one of the selected...
  • Page 111 SVANTEK 977W User Manual Bar plot of RT60 results 1. Number of averaged results 2. RT 1/3 octave plot 3. Name of the RT result and its value 4. Used RT60 calculation method 5. Cursor position 6. RT results for Total values 7.
  • Page 112 SVANTEK 977W User 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 ◄ and ► push-buttons together with <Alt>. ► <Alt/ > Changing the 1/3 octave band...

  • Page 113: Maintenance

     SA 17A external battery pack – operation time > 24 h (option)  USB interface – 500 mA HUB SVAN 977W is delivered with four AA alkaline batteries, but the user may also use AA rechargeable batteries. The “battery” icon shows the condition of the internal batteries.

  • Page 114: Transducers

    SVANTEK 977W User Manual SVAN 977W is delivered with 4GB micro SD-card. The user may exchange it with the high capacity card (up to 32GB), but before insertion the card must be formatted as FAT32. Note: If the user would like to use card with higher capacity, he must call to the local distributer.

  • Page 115: Resetting The Instrument

    - will stop any pre-programmed auto-run modes, - will stop measurement run! 14.5. Firmware upgrade SVANTEK is committed to continuous innovation path of development, and as such reserves the right to provide firmware enhancements based on user’s feedback. To update the instrument firmware: ...

  • Page 116: Storing The Instrument

    14.414.4).  In case the reset does not help call your Local Authorized Distributor or Svantek Service Office. Should your SVANTEK professional measurement equipment need to be returned for repair or for calibration, please contact the service office at the following number or contact via the SVANTEK’s website.

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