Svantek SVAN 979 User Manual
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Svantek SVAN 979 User Manual

Sound & vibration analyser
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USER MANUAL
SVAN 979
SOUND & VIBRATION
ANALYSER
Copyright © 2017 SVANTEK. All rights reserved.
Warsaw, July 2017

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  • Page 1 USER MANUAL SVAN 979 SOUND & VIBRATION ANALYSER Copyright © 2017 SVANTEK. All rights reserved. Warsaw, July 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

    SVAN 979 USER'S MANUAL_______________________________________________ CONTENTS INTRODUCTION 1.1. SVAN 979 as a Sound Level Meter & Analyser 1.2. SVAN 979 as a Vibration Level Meter & Analyser 1.3. General features of SVAN 979 1.4. Accessories included 1.5. Accessories available 1.6. Firmware options available MANUAL CONTROL OF THE INSTRUMENT 2.1 Control push-buttons on the front panel...
  • Page 4 SVAN 979 USER'S MANUAL_______________________________________________ 5.4.6 Wave recording setup – Wave Recording 5.5 Selection the 1/1 Octave - 1/12 Octave spectrum parameters – Spectrum 5.6 Selection of the microphone compensation filters – Compensation Filter 5.7 Measurement range setting – Range 5.8 Exposure time setting - Exposure Time 5.9 Setting ten statistical levels - Statistical Levels...
  • Page 5 SVAN 979 USER'S MANUAL_______________________________________________ Setting the microphone polarisation voltage – Polarisation Voltage 8.11. Remote control mode configuration – Remote Control Mode 8.12. 8.13. Setting the parameters of the serial interface - RS232 Programming the instrument’s internal Real Time Clock – RTC 8.14.
  • Page 6 SVAN 979 USER'S MANUAL_______________________________________________ 11.11. Selection of the Spectrum Type in the Vibration modes - Spectrum Type 11.12. Setting filter coefficients for 1/1 Octave - 1/12 Octave analysis - Spectrum Based Filter Setting the parameter for spectrum comparison – Spectrum Compare 11.13.

  • Page 7: Introduction

    1/1 or 1/3 octave bands. Another feature of SVAN 979 is a time signal recording, which stands for a recording of the raw signal samples with defined frequency up to 48 kHz. Analysis of the raw signal is used whenever frequency analysis is not sufficient.

  • Page 8: Svan 979 As A Sound Level Meter & Analyser

    • SC 16 - USB 1.1 cable • SC 59 - I/O cable • SA 33 power supply • SA 31 charger for rechargeable batteries • SA 60 microSD card 8 GB • SA 143 carrying case for SVAN 979/977 instrument and accessories...

  • Page 9: Accessories Available

    • SA 47 - carrying bag for the SVAN 97x/95x and accessories (fabric material) • SA 79 - carrying case for the SVAN 97x/95x and accessories (waterproof) • SA 279 – outdoor protection kit for the SVAN 979 microphone (microphone, desiccator and cable • not included) •...

  • Page 10: Manual Control Of The Instrument

    SVAN 979 USER'S 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 SVAN 979 USER'S MANUAL_______________________________________________ <ENTER> 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.
  • Page 12 SVAN 979 USER'S MANUAL_______________________________________________ [<>, <>] The <>, <> push-buttons pressed in conjunction (or in sequence) with <Alt> enable the user specifically to: • change the mode of result presentation; • programme the Real Time Clock (RTC) and Timer. [Info] The <Info>...

  • Page 13: Input And Output Sockets Of The Instrument

    SVAN 979 USER'S 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 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.

  • Page 14: Setting The Instrument

    SVAN 979 USER'S MANUAL_______________________________________________ 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 <Alt>...
  • Page 15 SVAN 979 USER'S MANUAL_______________________________________________ ▪ The change 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

    3.2. Powering of the instrument The SVAN 979 can be powered by one of the following sources: • External DC power source – 6 V DC÷24 V DC (1.5 W) • SA 17A external battery pack – operation time > 24 h (option) •...

  • Page 17: Starting The Instrument

    SVAN 979 USER'S MANUAL_______________________________________________ When there is a connection to the 6–24V socket, the “plug” icon is presented on the top of the display and in the Battery window there is the External Power: Voltage: yy.yyV message. When the instrument is powered from the internal batteries the “battery”...
  • Page 18 SVAN 979 USER'S MANUAL_______________________________________________ The results of the measurements can also be presented in so called combined mode. In this mode the 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.

  • Page 19: Initial Setup Of The Instrument

    SVAN 979 USER'S MANUAL_______________________________________________ Initial Setup of the instrument 3.4. 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;...
  • Page 20 SVAN 979 USER'S MANUAL_______________________________________________ “computer” icon is displayed when “vibration” icon is displayed when self there is a successful USB connection vibration level is exceeded. with the PC. “arrow up” icon is displayed when “Trigger Level +” icon is displayed when the trigger condition is set up to „Level+”.

  • Page 21: Memory Organisation And Saving Files

    SVAN 979 USER'S MANUAL_______________________________________________ Memory organisation and saving files 3.6. Memory options All available measurement results and settings can be stored in the external Memory (micro SD Card or USB Disk) as files in the predefined or assigned catalogues. The setup files are stored in the predefined catalogue SETUP.
  • Page 22 SVAN 979 USER'S MANUAL_______________________________________________ If the user is going to save files on the USB Disc he should: • enter the USB Disc catalogue system, • select pre-defined SYSTEM catalogue create <> catalogue and • make the selected catalogue as a...
  • Page 23 SVAN 979 USER'S MANUAL_______________________________________________ After pressing the <ENTER> push- button the file will be saved in the working catalogue. => Setup files saving The measurement configuration Setup files can be stored also by means of <S/P> push-button and by creating the <New File> in the Setup Manager list.

  • Page 24: Functions Of The Instrument - Function

    SVAN 979 USER'S MANUAL_______________________________________________ 4. FUNCTIONS OF THE INSTRUMENT – Function In order to select the Function list the user has to press the <Menu> push- button, select the Function text and press <ENTER>. The Function list contains three elements:...

  • Page 25: Instrument's Calibration - Calibration

    SVAN 979 USER'S MANUAL_______________________________________________ Notice: The type of measurement function and the measurement mode is displayed in the upper line of the screen. - SLM Sound Level Meter, - VLM Vibration Level Meter, - S: 1/1 Sound 1/1 Octave, - V: 1/1...

  • Page 26: In-Situ System Check

    SVAN 979 USER'S MANUAL_______________________________________________ indicates that the instrument is in the measurement process. In order to change the sensitivity the current measurement in progress must be finished! 4.3.1. In-situ System Check ISO 8041 standard advises users to perform in-situ checks of measurement instrumentation.

  • Page 27: Calibration By Sensitivity In Case Of Vibration Signal

    SVAN 979 USER'S MANUAL_______________________________________________ 2. Set the sensitivity of the microphone taken from its calibration certificate using the <Shift> with <>, <> push-buttons and then press <ENTER>. The calibration factor is calculated, after pressing the <ENTER> 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 <ESC>.

  • Page 28: 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 979 is equal to 114 dB). It is also necessary to switch the instrument Range to the High level setting.

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

    SVAN 979 USER'S MANUAL_______________________________________________ 4.3.5. Calibration By Measurement in case of vibration signal Calibration by measurement for the vibration measurements can be done in the following way: Select calibration measurement (highlight Calibr. by Measurement text) from the Calibration sub-list and press the <ENTER>...

  • Page 30: Clear Calibration Records - Clear Calibr. History

    SVAN 979 USER'S MANUAL_______________________________________________ In order to review the calibration records, the user has to select the required line in the Last Calibration window and press <ENTER>. The opened window will contain the date and time of the performed calibration measurement, the way the calibration was done (Calibr.

  • Page 31: Measurement Parameters Setting - Measurement

    SVAN 979 USER'S 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 has to press the <Menu> push-button, select the...
  • Page 32 SVAN 979 USER'S MANUAL_______________________________________________ measurement cycles (Repetition Cycles), the RMS detector type (RMS Integration) intervals time period (Day Time Limits) in case of Sound modes. Setting time delay before the start of measurements The Start Delay position defines the delay period from the moment the <Start/Stop>...
  • Page 33 SVAN 979 USER'S MANUAL_______________________________________________ If the user uses the Auto Save option (path: <Menu> / File / Save Options / 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.

  • Page 34: Measurement Trigger Parameters Selection - Measurement Trigger

    SVAN 979 USER'S MANUAL_______________________________________________ Measurement Trigger parameters selection – Measurement Trigger The Measurement Trigger sub-list enables the user to set the parameters Measurement Trigger. Measurement Trigger is a context sub- list in which the triggering can be switched off or on (Trigger), when the...

  • Page 35: Setting Parameters In A Profile - Profiles

    SVAN 979 USER'S MANUAL_______________________________________________ Selection of the triggering signal It 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).

  • Page 36: Setting The Data Logging Functionality - Logging

    Setup list (path: <Menu> / Setup / User Filters / Real Time Filters) The characteristics of the filters are given in App. D. The Real Time Filters for the SVAN 979 are an extra cost option, part number SV 979-16. RMS detector selection...
  • Page 37 SVAN 979 USER'S MANUAL_______________________________________________ Statistics and Spectra, from the Summary Results list, which became active in the Logging list. The Logger Step defines the period 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.

  • Page 38: Results Selection - Logger Results

    SVAN 979 USER'S MANUAL_______________________________________________ Relations between Integration Period and Logger Step 5.4.2 Results selection – Logger Results The Logger Results list enables the user to activate the results for three independent user defined profiles (Peak, Max, Min, Leq, LRxxx and LRyyy for...

  • Page 39: Logger Trigger Parameters Setup - Logger Trigger

    SVAN 979 USER'S MANUAL_______________________________________________ Max Spectrum and Min Spectrum for the vibration measurements. 5.4.4 Logger trigger parameters setup – Logger Trigger 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 it’s type selected...

  • Page 40: The Marker Setup - Marker Setup

    SVAN 979 USER'S MANUAL_______________________________________________ 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.

  • Page 41: Wave Recording Setup - Wave Recording

    SVAN 979 USER'S MANUAL_______________________________________________ 5.4.6 Wave recording setup – Wave Recording The Wave Recording enables the user to activate and to set the parameters of the raw time waveform recording on the external memory (SD Card USB Disk). The Wave Rec. position, if it is not Off, defines the type of the wave recording: <ENT>...

  • Page 42: Selection The 1/1 Octave - 1/12 Octave Spectrum Parameters - 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 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.

  • Page 43: Measurement Range Setting - Range

    SVAN 979 USER'S MANUAL_______________________________________________ Measurement range setting – Range The Range position is used to set one of the available measurement ranges in the instrument. The absolute range values changes due to the current calibration factor and are shown on the screen of the instrument.

  • Page 44: Programming The Instrument's Internal Timer - Timer

    SVAN 979 USER'S MANUAL_______________________________________________ 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.

  • Page 45: Description Of An Exemple Timer Function

    SVAN 979 USER'S MANUAL_______________________________________________ which is opened by means of the <>, <> push-buttons. In order to set date the user has to select its position by means of the <>, <> and <>, <> push button and then press <ENTER>.

  • Page 46: Alarm Function - Alarms

    SVAN 979 USER'S MANUAL_______________________________________________ 5.12 Alarm function - Alarms The Alarms position enables the user to enable or disable the alarm functionality. <ENT> Alarms is a mechanism to log events that meet user-defined conditions. Such an event may be, for example, the train or other noise sources.

  • Page 47: Data Available On The Display - Display

    SVAN 979 USER'S MANUAL_______________________________________________ 6. DATA AVAILABLE ON THE DISPLAY – Display The Display list contains the elements that enable the user to independently programme the display parameters. The content of the Display list differs for the spectrum analyser modes.
  • Page 48 SVAN 979 USER'S MANUAL_______________________________________________ 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. Field description of the One Profile view 1.
  • Page 49 SVAN 979 USER'S MANUAL_______________________________________________ Combined presentation modes There are three presentation modes, which combine two views and can be activated or not: 1 Prof. & 3 Prof., 1 Prof. & Logger, 3 Prof. & Logger. These combined views allow the user to compare results for profiles and to follow the history of measured results, saved in the logger file.
  • Page 50 SVAN 979 USER'S MANUAL_______________________________________________ Field 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 the case of Sound measurements or RMS, Ovl, Peak, P–P, MTVV in the case of Vibration...
  • Page 51 SVAN 979 USER'S MANUAL_______________________________________________ Logger presentation mode The Logger presentation 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 presentation mode is...
  • Page 52 SVAN 979 USER'S MANUAL_______________________________________________ Spectrum presentation mode Spectrum position accessible only active 1/1 Octave, 1/3 Octave and FFT functions (path: <Menu> / Function / Measurement Function). => Fields description Spectrum view 1. Averaging type 2. Cursor position 3. Value for the cursor position 4.
  • Page 53 SVAN 979 USER'S MANUAL_______________________________________________ Field description of the Statistics view Function name Statistics plot Statistical level (LN% percentile value) active cursor position Active profile (P1, P2 or P3) RMS detector (Lin., or Exp.: Fast, Slow or Imp.) Frequency filter used (A, C or Z)
  • Page 54 SVAN 979 USER'S MANUAL_______________________________________________ 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.

  • Page 55: Setting Scale And Grid Of The Plot - Display Scale

    SVAN 979 USER'S MANUAL_______________________________________________ To change the type of the generated signal the user should select the Function field and to change its value by means of the <> and <> push- buttons pressed together with <Alt>. There are three available functions: Sine, Pink Noise and White Noise.

  • Page 56: Setting The Parameters Of The Logger Files Presentation - Logger View

    SVAN 979 USER'S MANUAL_______________________________________________ The Resolution position defines the number of digits after the decimal point in the presented results: one digit after the decimal point (0.1 dB) or two digits after the decimal point (0.01 dB). <> Scaling the vertical axis...

  • Page 57: Setting The Display Brightness And Power Saver- Screen

    SVAN 979 USER'S MANUAL_______________________________________________ The view of the logger screen can be adjusted quickly without stopping the measurement. Highlight the function label in the bottom left hand corner then press the <ENTER> push-button and the Logger View list is displayed. The user may make necessary adjustments and <ENT>...
  • Page 58 SVAN 979 USER'S MANUAL_______________________________________________ The default colour themes (Solar Forest) optimised decrease the energy consumption of the OLED display. <ENT>...

  • Page 59: Saving The Measurement Results - File

    SVAN 979 USER'S MANUAL_______________________________________________ 7. SAVING THE MEASUREMENT RESULTS – File 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 on the external memory – micro SD Card or USB Disk.

  • Page 60: Managing Files Saved In The External Memory - File Manager

    SVAN 979 USER'S MANUAL_______________________________________________ One option is to press the <Save> push- button right after the measurement has finished. After pressing the <Save> push-button the New File window appears. <Save> Notice: While saving file with the use of the <Save> push-button the file is always saved in the predefined catalogue, which is set by the Set as Working Dir.

  • Page 61: Setting The Directory For Saving Files - Set Working Directory

    SVAN 979 USER'S MANUAL_______________________________________________ The File Manager window consists of the list of files, catalogues and memory devices. Files are stored in catalogues, which organised hierarchically. Catalogue names are of capital letters and have no extensions. By pressing the <ENTER> push-button the window with the list of available operations is opened <ENT>...

  • Page 62: Creating New Catalogue And New File

    SVAN 979 USER'S MANUAL_______________________________________________ 7.2.2 Creating new catalogue and new file It is possible to create a new catalogue in the file system on the SD Card or USB Disk. To do this the user should select the catalogue in which the new one will be created and press the <ENTER>...

  • Page 63: Copying File/Catalogue - Copy

    SVAN 979 USER'S MANUAL_______________________________________________ Opening file means that 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 <ENT>...

  • Page 64: Information About File/Catalogue - Info

    SVAN 979 USER'S MANUAL_______________________________________________ 7.2.8 Information about file/catalogue – Info It is possible to get information about a file or catalogue. The user should select file/catalogue press <ENTER> push-button. After opening the list of operations select the Info position and press the <ENTER> push-button again.

  • Page 65: Operations On The Setup Files

    SVAN 979 USER'S MANUAL_______________________________________________ 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.

  • Page 66: Settings The Instrument Parameters - Instrument

    SVAN 979 USER'S MANUAL_______________________________________________ 8. SETTINGS THE INSTRUMENT PARAMETERS – Instrument The Instrument list contains different sub- lists and positions, which are directly related to the settings of the hardware components of the instrument. In order to open the Instrument list the user has to press the <Menu>...

  • Page 67: Checking The State Of The Internal Battery - Battery

    SVAN 979 USER'S MANUAL_______________________________________________ Checking the state of the internal battery – Battery 8.2. The Battery position enables the user to check the power source of the instrument: internal battery condition, source and voltage of the external power supply; and also to set the battery type for checking their condition.

  • Page 68: Setting The External Power Parameters - External Power

    SVAN 979 USER'S MANUAL_______________________________________________ When Bluetooth is selected the grey “Bluetooth” icon is displayed as long as there is no connection with another Bluetooth device. When devices are paired, the “Bluetooth” icon changes it’s color to green. => 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).

  • Page 69: Selection Of The Iepe Current Supply - Iepe Current

    Direct Vibration) in conjunction with a choice of settings of IEPE Current is as follows: - The Sound Meter mode is used to measure sound with the SVANTEK dedicated preamp SV17, because only in this mode the device enables additional power supply on a separate Lemo input pin without which the preamplifier SV17 can not work.

  • Page 70: Checking The Modem Status - Modem Status

    SVAN 979 USER'S 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 of the <Start/Stop> push-button press, starting or stopping the measurements.
  • Page 71 SVAN 979 USER'S MANUAL_______________________________________________ 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: <Menu>...

  • Page 72: Setting The Microphone Polarisation Voltage – Polarisation Voltage

    SVAN 979 USER'S MANUAL_______________________________________________ Switch on or off the SMS message in case of alarm When the alarm is generated during the measurement it is possible to send an SMS message to the phone number, defined in the SMS Option window (path: <Menu>...

  • Page 73: Programming The Instrument's Internal Real Time Clock – Rtc

    SVAN 979 USER'S MANUAL_______________________________________________ Setting the transmission speed of the serial interface 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),...

  • Page 74: Signal Generator Activation – Signal Generator

    SVAN 979 USER'S MANUAL_______________________________________________ Signal generator activation – Signal Generator 8.16. The Signal Generator position enables the 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).

  • Page 75: Configuration Of Modem Basic Settings – Modem

    (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.

  • Page 76: Setting Of Support Modem Options - Modem Connection

    SVAN 979 USER'S MANUAL_______________________________________________ • Auto Reconnection – selecting this option will make the device attempt to reconnect the modem in the case of errors or sudden disconnection. More about this option is written in Appendix J (Error handling). • Reconnection Delay – time between each reconnection attempt.

  • Page 77: Configuration Of Sms Service - Sms Option

    SVAN 979 USER'S MANUAL_______________________________________________ 8.17.5. 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: •...

  • Page 78: Data Transfer With The Modbus Protocol – Modbus

    • Modbus Addr. - device Modbus address, ranging from 1 to 247. • 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 Discrete Inputs) structure.

  • Page 79: Checking Specification Of The Instrument - Unit Label

    <ENT> Notice: The contents of the Unit Label screen should always sent to Svantek’s service department or official representative in case of any problems faced by the user during the instrument’s normal operation in the field.

  • Page 80: Auxiliary Settings – Auxiliary Setup

    SVAN 979 USER'S MANUAL_______________________________________________ 9. AUXILIARY SETTINGS – Auxiliary Setup Auxiliary Setup list contains positions directly related with sound or vibration measurements and not related to the hardware components of the instrument. order view Auxiliary Setup list the user has to press the <Menu>...

  • Page 81: Reference Signal In Vibration Measurements - Reference Levels

    SVAN 979 USER'S MANUAL_______________________________________________ 9.3. Reference signal in vibration measurements - Reference Levels The Reference Levels sub-list enables the user to set the reference levels of the vibration signal or to inform the user about the reference level in case of sound measurements.

  • Page 82: Setting The Coefficients Of The User Filters - User Filters

    SVAN 979 USER'S MANUAL_______________________________________________ 9.5. Setting the coefficients of the user filters - User Filters The User Filters position enables the user to introduce the values of the coefficients of the user defined filters. <ENT> 9.5.1 Introduction the parameters of real time filters - Real Time Filters...

  • Page 83: Selection Of The Units For Vibration Measurements - Vibration Units

    SVAN 979 USER'S MANUAL_______________________________________________ 9.6. Selection of the units for vibration measurements - Vibration Units The Vibration Units position enables the user to select the units for the Vibration measurements (this position is available only in the Vibration modes). It is possible to select the Non-Metric (e.g.
  • Page 84 SVAN 979 USER'S MANUAL_______________________________________________ Windscreen detection If the Windscreen parameter is switched on the instrument will ask to switch on or off the compensation filter every time windscreen is removed or put on again. The windscreen is detected automatically if the Windscreen parameter is set on Auto (path: =>...

  • Page 85: Reports Printing – Report

    SVAN 979 USER'S MANUAL_______________________________________________ 10. REPORTS PRINTING – Report The printed reports of the Sound or Vibration measurement results in the predefined format can be obtained by means of the Report list. The Report list contains the following elements: Print Results...

  • Page 86: Printing The Measurement Results - Print Results

    SVAN 979 USER'S MANUAL_______________________________________________ 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).

  • Page 87: Printing The Statistics Of Sound Measurement Results - Print Statistics

    SVAN 979 USER'S MANUAL_______________________________________________ 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.
  • Page 88 SVAN 979 USER'S MANUAL_______________________________________________ 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...

  • Page 89: And 1/12 Octave Analyser

    (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: <Menu> / Measurement / Range).

  • Page 90: Measurement Range Selection - Range

    SVAN 979 USER'S MANUAL_______________________________________________ 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: <Menu> / Measurement / Logging / Logger Trigger). Measurement range selection - Range 11.3.

  • Page 91: Saving Of 1/1 Octave - 1/12 Octave Analysis Results - Logger Results

    SVAN 979 USER'S MANUAL_______________________________________________ • B type 1 according to the IEC 651 standard, • Z type 1 according to the IEC 61672-1 standard • HP type 1 according to the IEC 61672-1 standard (vibration only). Only one HP pre-weighting filter is available in the 1/1 Octave - 1/12 Octave analysis of vibration.

  • Page 92: Presentation Of 1/1 Octave - 1/12 Octave Analysis Results

    SVAN 979 USER'S MANUAL_______________________________________________ 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 switch on or off the grid and autoscale;...

  • Page 93: Setting The Scale Of Spectrum Presentation - Scale

    SVAN 979 USER'S MANUAL_______________________________________________ The user may change the cursor position by means of the <>, <> push- buttons. The frequency and appropriate value are presented in the line below the plot. The user can change quickly to the first...

  • Page 94: Setting The Parameters Of The Spectrum Presentation - Spectrum View

    SVAN 979 USER'S MANUAL_______________________________________________ Scaling the vertical axis of the plot The Dynamics position enables the user to select the required dynamic range scaling of the plot in the graphical presentation mode. The user can obtain from two to twelve times expansion of the vertical axis with the dynamic ranges: =>...

  • Page 95: Selection Of The Spectrum Type In The Vibration Modes - Spectrum Type

    SVAN 979 USER'S MANUAL_______________________________________________ NR and NC results view case octave Sound 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 =>...

  • Page 96: Setting Filter Coefficients For 1/1 Octave - 1/12 Octave Analysis - Spectrum Based Filter

    SVAN 979 USER'S MANUAL_______________________________________________ 11.12. Setting filter coefficients for 1/1 Octave - 1/12 Octave analysis - Spectrum Based Filter Spectrum Based Filter sub-list (path: <Menu> / Auxiliary Setup / User Filters), enables the user to introduce the values of the filter coefficients correcting...

  • Page 97: Setting The Parameter For Spectrum Comparison – Spectrum Compare

    SVAN 979 USER'S MANUAL_______________________________________________ The opened window contains the centre frequencies of the filters and their coefficients: • 0.80 Hz: available values for 0.8 Hz centre frequency filter: -100.0dB ... 100.0dB • 1.00 Hz: available values for 1Hz centre frequency filter: -100.0dB ...
  • Page 98 SVAN 979 USER'S MANUAL_______________________________________________ 4. Find the saved file, press <ENTER> push-button select Set RMS Spect.Reference position Set Ln Spect.Reference position in case of Ln spectra) in the command list and press <ENTER>. <ENT> 5. The selected file will be marked as reference <R>. If there was already reference spectrum defined the new reference spectrum became active and the previous one losts it’s reference status.
  • Page 99 SVAN 979 USER'S MANUAL_______________________________________________ To be able to compare LN Spectra the user should switch on the statistic spectrum saving in the Save Options window (path: <MENU> / File / Save Options). Then the user should start the 1/1 Octave - 1/12 Octave measurement and save the logger file with reference spectrum.

  • Page 100: Fft Analyser

    SVAN 979 USER'S MANUAL_______________________________________________ 12. FFT 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.

  • Page 101: Setting The Parameters Of Fft Analysis - Fft

    SVAN 979 USER'S MANUAL_______________________________________________ Setting the parameters of FFT analysis - FFT 12.4. In the FFT mode a context element (FFT) appears on the Measurement list (path: <Menu> / Measurement / FFT). In the FFT window the user may select...

  • Page 102: Display Options In Fft Analysis Mode

    SVAN 979 USER'S MANUAL_______________________________________________ 12.6. Display options in FFT 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...

  • Page 103: Setting The Scale Of Spectrum Presentation - Scale

    SVAN 979 USER'S MANUAL_______________________________________________ The user may zoom in/out the frequency scale at the cursor position by means of the <>, <> push-buttons, pressed with <Shift>. <Sh/> 12.8. Setting the scale of spectrum presentation - Scale The Display Scale sub-list enables the...

  • Page 104: Setting The Parameters Of The Spectrum Presentation - Spectrum View

    SVAN 979 USER'S MANUAL_______________________________________________ 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 automatic Y-scale adjustment on/off The Autoscale position switches on the automatic adjustment of the Y scale.

  • Page 105: Selection Of The Spectrum Type In Vibration Mode - Spectrum Type

    SVAN 979 USER'S MANUAL_______________________________________________ 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: <Menu> Display Spectrum Type).

  • Page 106: Rt 60 Measurement Of The Reverberation Time

    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.
  • Page 107 SVAN 979 USER'S MANUAL_______________________________________________ The RT60 Settings list enables the user to select the method for RT60 calculation, select the name of the logger 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 <ENT>...

  • Page 108: Setting The Result Display Mode

    SVAN 979 USER'S MANUAL_______________________________________________ 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).

  • Page 109: Start Rt60 Measurements

    SVAN 979 USER'S MANUAL_______________________________________________ Start RT60 measurements 13.4. Measurements with the use of Decay method Set parameters for Decay RT60 measurements. Most used setup is presented below. • Method: Decay • Recording Time: • Time Step: 10ms • Averaging: •...

  • Page 110: Visualization Of The Rt 60 Measurements Results

    SVAN 979 USER'S MANUAL_______________________________________________ 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.
  • Page 111 SVAN 979 USER'S MANUAL_______________________________________________ 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).
  • Page 112 SVAN 979 USER'S MANUAL_______________________________________________ When the averaging is On the additional columns appear in the RT60 result table, named: AEDT, A20, A30 and A.User. To clear averaging the user should select the field No.: x and press the <ENTER> push-button, select in the confirmation window Yes and press <ENTER>...
  • Page 113 SVAN 979 USER'S MANUAL_______________________________________________ Changing the RT function When the field 12 is active the RT60 analisys function can be changed after pressing the <> and <> push-buttons together with <Alt>. <Alt/> Changing the cursor position When the field 13 is active the user may change the cursor position by means of the <>, <>...

  • Page 114: Tone Measurement - Tonality

    SVAN 979 USER'S MANUAL_______________________________________________ 14. TONE MEASUREMENT - Tonality The method applied in SVAN979 for assessing the audibility of tones in noise has three steps: • narrow-band frequency analysis (FFT); • determination of the average sound pressure level of the tone(s) and of the masking noise within the critical band around the tone(s);...

  • Page 115: Start Tonality Measurements

    SVAN 979 USER'S MANUAL_______________________________________________ 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).

  • Page 116: Loudness Measurement - Loudness

    SVAN 979 USER'S MANUAL_______________________________________________ 15. LOUDNESS MEASUREMENT - Loudness The Loudness function is the extension of the Sound Meter function for additional calculation of the so called “Bark spectrum”. The Bark spectrum is calculated from pre-defined 1/3 octave spectrum (25Hz - 12.5kHz) in accordance with the ISO 532B standard.
  • Page 117 SVAN 979 USER'S MANUAL_______________________________________________ The user may change the cursor position by means of the <>, <> push- buttons. bark number appropriate value are presented in the line below the plot. <> .. The user may shift the Y-axis during the spectrum presentation after pressing the <Shift>...

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