Svantek SVAN 971 User Manual
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Svantek SVAN 971 User Manual

Pocket-size sound level meter & analyser
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USER MANUAL
SVAN 971
POCKET-SIZE
SOUND LEVEL METER &
ANALYSER
Copyright © 2017 SVANTEK. All rights reserved.
Warsaw, July 2017

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  • Page 1 USER MANUAL SVAN 971 POCKET-SIZE SOUND LEVEL METER & ANALYSER Copyright © 2017 SVANTEK. All rights reserved. Warsaw, July 2017...
  • Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of Svantek. 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 971 User manual CONTENTS INTRODUCTION ..........................6 SVAN 971 & A ................. 6 OUND EVEL ETER NALYSER SVAN 971 ..................... 7 ENERAL FEATURES OF ........................7 CCESSORIES INCLUDED ........................7 CCESSORIES AVAILABLE ) ..............8 NSTRUMENT OFTWARE OPTIONS AVAILABLE FIRMWARE MANUAL CONTROL OF THE INSTRUMENT ..................
  • Page 4 SVAN 971 User manual .................... 40 ETTING THE POWER SAVER CREEN MANAGING THE FILES – FILE ....................... 41 – F ........... 41 ANAGING THE FILES SAVED IN THE EXTERNAL MEMORY ANAG 7.1.1 Assigning the directory for files saving – Work. Dir............... 42 7.1.2...
  • Page 5 SVAN 971 User manual RUNNING LEQ ..........................62 MAINTENANCE ..........................63 14.1......................63 OWERING OF THE INSTRUMENT 14.2..................63 EMORY CARD EXTRACTION AND INSERTION 14.3..........................64 RANSDUCERS 14.4......................64 ESETTING THE INSTRUMENT 14.5........................64 IRMWARE UPGRADE 14.6.

  • Page 6: Introduction

    SVAN 971 User manual INTRODUCTION The SVAN 971 is an extremely small Type 1 IEC 61672 Sound Level Meter (SLM) and real time 1/1 & 1/3 octave analyser (RTA). The instrument represents State of the Art technological design bringing unprecedented levels of SLM and RTA integration.

  • Page 7: General Features Of Svan 971

    • SV 33A Type 1 acoustic calibrator: 1000 Hz/114 dB • SV 75 RS232 interface option with external power supply plug for the SVAN 971 • SC 91/5 extension cable for SV18 (SVAN 971), 5 meters (for laboratory purposes) • SA 72 carrying case for SVAN 971 and accessories (waterproof) •...

  • Page 8: Instrument Software Options Available (Firmware)

    SVAN 971 User manual • SvanPC++_EM environmental monitoring module for SvanPC++ (hardware key, single license) Instrument Software options available (firmware) • SVAN 971PACK Level Meter including time history logging, 1/1 & 1/3 octave analysis • SV 971_1 1/1 octave analysis option •...

  • Page 9: Manual Control Of The Instrument

    SVAN 971 User manual MANUAL CONTROL OF THE INSTRUMENT Control of the instrument has been developed in a fully interactive manner. The user can operate the instrument by selecting the appropriate position from the screen Menu list. Thanks to that, the number of the control push-buttons of the instrument has been reduced to eight for ease of use and convenience.

  • Page 10: Input And Output Sockets Of The Instrument

    SVAN 971 User manual • select the parameter value in an active position (e.g. filter Z, A or C, Integration period: 1s, 2s, 3s, … etc.); • control the cursor in Spectrum, Logger and Statistics modes of result presentation; • select the position of the character in the text edition screens;...
  • Page 11 SVAN 971 User manual There is a memory micro SD-card slot under the bottom cover of the instrument and spaces for the 4 x AAA batteries. Note: Switch the power off before connecting the instrument to any other device (e.g. a...

  • Page 12: General Information

    SVAN 971 User manual GENERAL INFORMATION To start using the instrument the user should turn it on by means of the <Shift> and <Start/Stop> push-buttons at the same time. 3.1. Basis of the instrument’s control The instrument is controlled by means of eight push-buttons on the keypad. Using these push-buttons one can access all available functions and change the value of all available parameters.
  • Page 13 SVAN 971 User manual Entering position After the selection of the desired position in the menu list, the user should press the <Enter> push-button to select and open it. After this operation, a new sub-menu, option list, parameter list or information window appears on the display.

  • Page 14: Powering Of The Instrument

    Logging positions are not active! 3.2. Powering of the instrument The SVAN 971 can be powered by one of the following sources: • Four AAA standard size batteries fitted internally. In the case of alkaline type, a new fully charged set can operate more than 12 h (6.0 V / 1.6 Ah).

  • Page 15: Getting Started

    SVAN 971 User manual When there is a connection to the USB interface (USB Device socket is connected by means of the SC 156 cable to a PC), the “Computer” icon is presented on the top of the display and in the Battery window, there is the USB Power: Voltage: 5.00V message.

  • Page 16: Icons Description

    SVAN 971 User manual The logger and summary results will be automatically saved in the file with the name defined by the instrument and presented in the Logger Setup sub-list (Logger Name: Lxxxx). Default Profile settings: Profile 1 - C weighting filter for Peak result (Filt.Peak(1)=C), A weighting filter for other results (Filter(1)=A), Fast for the LEQ detector (Detector(1)=Fast);...

  • Page 17: Data Saving

    The files are saved in the catalogue, which was set up as the working catalogue. The default working catalogue (after using Factory Set function) is called SVANTEK. Note: During the measurement run with data logging to the logger file, the “curve” icon is...

  • Page 18: Data Saving

    SVAN 971 User manual The file name (Logger Name) is generated automatically using a pattern LLdd, where LL is the string of letters (so called prefix) and dd is a string of digits that forms a number. Up to 8 characters can be used to name a file.

  • Page 19: Activation Of The Optional Functions

    SVAN 971 User manual 3.7. Activation of the optional functions Standard instrument firmware contains all basic functions to perform measurements in accordance with most international standards and methods. For more complex tasks the user has the possibility of expanding the basic functions of the instrument with additional functions. These features include 1/1 and 1/3 octave analyser, event recording ect.

  • Page 20: Functions Of The Instrument - Function

    SVAN 971 User manual 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>. In the Function list the user can select the measurement function (Meas. Funct) and perform the instrument calibration (Calibration).

  • Page 21: Calibration By Measurement

    (Cal. Level position), which is stated in the calibration certificate of the unit (the value of the Cal. Level set by the manufacturer of SVAN 971 is equal to 114 dB). It is also necessary to switch the instrument Range to the High level setting.

  • Page 22: History Of Calibrations - Last Cal

    SVAN 971 User manual It is recommended to repeat the calibration measurement a few times. The obtained results should be almost the same (with 0.1 dB difference). The reasons for the unstable results are as follows: • the calibrator is not properly attached to the instrument, •...

  • Page 23: Setting Up The Measurement - Measurement

    SVAN 971 User manual SETTING UP THE MEASUREMENT – Measurement The Measurement list contains the elements that enable setting up the measurement parameters. To open the Measurement list, the user should press the <Menu> push-button, select the Measurement position and press <Enter>.
  • Page 24 SVAN 971 User manual Delay of measurement start The Start Delay defines the delay period from pressing the <Start/Stop> push-button to the actual start of the measurements (digital filters of the instrument constantly analyse the input signal even when the measurements are stopped).

  • Page 25: Setting Up The Measurement Trigger - Meas. Trig

    SVAN 971 User manual Day time limits The Day Time Limits position enables the user to select the definition of the day and night required by the local standards. These limits are used for the calculation of the Lden function (cf. App. D for the definition). Two options are available: 6H–18H and 7H–19H.

  • Page 26: Setting Parameters For Profiles - Profiles

    SVAN 971 User manual Gradient type trigger In the case when Gradient + is selected, the measurement (integration) is carried out when the Source has the level greater than the threshold level, selected in the Level position and the gradient of the Source is greater than the threshold level, selected in the Gradient position.

  • Page 27: Setting The Alarm Thresholds For Dose Meter Functions - Alarm

    SVAN 971 User manual LEQ detector selection The following LEQ detectors (time constants) are available in the instrument: Impulse, Fast and Slow 5.4 Setting the alarm thresholds for dose meter functions – Alarm The Alarm position is active only in the Dosimeter function and is described in detail in DOSIMETER section of this manual.

  • Page 28: Setting Up The Logger General Parameters - Logger Set

    SVAN 971 User manual The Logging list enables the user to program the logging functions: the recording of the measurement history and an event recording. The Logging list consists of four positions: Logger Set., Logger Res., Logger Trig and Event Rec..

  • Page 29: Selection Of Results For Logging - Logger Res

    SVAN 971 User manual The Logger Name position enables the user to define the logger file name, which consists of the prefix and a number. The default logger file prefix is L. The name can be up to eight characters long. After pressing the ◄, ►...
  • Page 30 SVAN 971 User manual Trigger disabling The logger triggering of the measurements (Trigger) can be switched off using the ◄ push-button. The triggering is switched on if the Level + or Level – mode is selected using the ► push-button.

  • Page 31: Event Recording Setup - Event Rec

    SVAN 971 User manual 5.5.4 Event recording setup – Event Rec. The Event Rec. position enables the user to activate and set the parameters of event waveform signal recording to the logger file. In the Simple instrument interface mode, the Event Rec.

  • Page 32: Setting Up The Measurement Range - Range

    SVAN 971 User manual Triggering signal source The Source position only indicates the triggering source. Only one measured result can be used as a triggering source in all modes, namely the output of the LEQ detector of the first profile which is denoted here as Leq(1).

  • Page 33: Selection Of The Microphone Compensation Filters - Comp. Filter

    SVAN 971 User manual The above screens were made with calibration factor equal to zero. The calibration factor is always added to the upper range level – see example. => 5.7 Selection of the microphone compensation filters – Comp. Filter The Comp.

  • Page 34: Programming The Instrument's Internal Timer - Timer

    SVAN 971 User manual 5.10 Programming the instrument’s internal timer – Timer The Timer position enables the user to program the internal real time clock to act as a delayed start and stop timer. The instrument can be switched on by itself...

  • Page 35: Setting Up The Data View - Display

    SVAN 971 User manual SETTING UP THE DATA VIEW – Display The Display list contains the elements that enable the user to independently programme the measurement result views and display parameters. The content of the Display list depends on selected measurement function.

  • Page 36: Three Profiles Presentation Mode

    SVAN 971 User manual Field description of the 1 Profile view 1. Function name: • for SLM, 1/1 Oct. and 1/3 Oct. functions: OVL, Lpeak, Lmax, Lmin, L, Leq, LE, Lden, LEPd, Ltm3, Ltm5, LN%; • for Dosimeter function: OVL, Lpeak, Lmax,...

  • Page 37: Logger Presentation Mode

    SVAN 971 User manual 6. The value of measured function. Units of measured value. Changing the field content The content of some fields can be changed after pressing the ◄ and ► push-buttons. The field should be active. ► Changing the LN% The statistical levels, which are defined in the Stat.

  • Page 38: Statistics Presentation Mode

    SVAN 971 User manual 6.1.4 Statistics presentation mode 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 39: Setting The Scale Of The Presentation And The Display's Grid - Disp. Scale

    SVAN 971 User manual 6.2 Setting the scale of the presentation and the display’s grid – Disp. Scale The Disp. Scale sub-list enables the user to change the scale in the available modes of graphical presentation of the measurement results and switch the grid on/off.

  • Page 40: Selection Of Logger Results For Presentation - Logger Res

    SVAN 971 User manual 6.4 Selection of logger results for presentation - Logger Res. The Logger Res. position enables the user to choose the history results, saved in the logger file, which should be presented for displaying on the logger screen. The results are selected with the ◄...

  • Page 41: Managing The Files - File

    SVAN 971 User manual MANAGING THE FILES – File The File list contains the elements that enable the user to manage the data files saved in the external memory (SD Card) fitted behind the bottom cover of the instrument. The File list contains the following items: <ENT>...

  • Page 42: Assigning The Directory For Files Saving - Work. Dir

    SVAN 971 User manual The list of files and catalogues is presented in the File Manag. window. Files are stored in catalogues, which are organised hierarchically. By pressing the <Enter> push-button the window with the list of available operations is opening for the marked (highlighted) position.

  • Page 43: Information About File/Catalogue - Info

    SVAN 971 User manual 7.1.3 Information about file/catalogue – Info To get information about a file or catalogue the user should select the file/catalogue and press the <Enter> push- button. After opening the list of operations select the Info position press <ENT>...
  • Page 44 SVAN 971 User manual The window with the list of available operations on the setup files is opening when pressing the <Enter> push- button on the marked (highlighted) setup file. <ENT> If the right-hand box of the setup file is marked, this setup will be in the list of setups during start-up of the instrument.

  • Page 45: Settings Of The Instrument Parameters - Instrument

    SVAN 971 User manual Settings OF THE INSTRUMENT 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 46: Checking The State Of The Internal Battery - Battery

    Note: SC 156 cable is not the same as a mini USB cable such as the SC 56 used on some other Svantek instruments and be care not to force the wrong plug into the socket on the bottom of the instrument.

  • Page 47: Automatic Instrument Switch Off - Power Off

    SVAN 971 User manual Key unlocking The unlocking code can be programmed with next four positions: First Key, Second Key, Third Key and Fourth Key. In every position the user may choose one of four arrow key: Left Key, Right Key, Up Key or Down Key, the sequence of which creates unlocking ►...

  • Page 48: S Internal Real Time Clock - Rtc

    <ENT> Note: The contents of the Unit Label should be 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 49: Auxiliary Settings - Auxiliary Setup

    SVAN 971 User manual AUXILIARY SETTINGS – 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 50: Displaying Of Leq & Lav Results - Leq & Lav - Leq & Lav

    SVAN 971 User manual To record a comment, the user should press simultaneously the ◄, ► push buttons. This will bring up a window with a question to which logger file to link a file containing the comment - to the previous or next one.
  • Page 51 SVAN 971 User manual If Preampl. is active, then there will be warning if the instrument detects that there is no preamplifier attached to the instrument. If Changes is active, the instrument displays the warning message in case some parameters were changed, but the window with parameter list was exit by means...

  • Page 52: Printing Reports - Report

    SVAN 971 User manual 10 PRINTING REPORTS - Report The printed reports of the sound measurement results in the predefined format can be obtained by means of the Report list. <ENT> The Report list contains the following elements: Print enables the user to print the measurement results on the default printer;...

  • Page 53: Selecting The Printing Options - Options

    SVAN 971 User manual If no results were recorded the next message is displayed. 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 <Shift>) and after pressing a push-button it returns to the Report list.

  • Page 54: Selecting The Results For The Report - Results

    SVAN 971 User manual The user may include (Print) units of the results or excluded them (Off) from the report. 10.3. Selecting the results for the report – Results The user may select results for the report in the Results...

  • Page 55: 11 1/1 And 1/3 Octave Analyser

    (if the LEQ Integration was set as Exponential). The SVAN 971 instrument operates in two ranges, called Low and High, which can be selected in the Range window (path: <Menu> / Measurement / Range).

  • Page 56: Setting Up The Measurement Range

    SVAN 971 User manual The user can additionally switch on or off the history of spectra recording in the logger file (path: <Menu> / Measurement / Logging / Logger Res.): Lpeak spectra and Leq spectra. If spectra history is switched on, the spectra will be logged with the step, defined by the Logger Step parameter (path: <Menu>...

  • Page 57: And 1/3 Octave Spectra As A Time History - Logger Res

    SVAN 971 User manual 11.3. Saving the 1/1 and 1/3 Octave spectra as a time history - Logger Res. The Leq and Lpeak results from 1/1 Octave or 1/1 Octave analysis can be saved in the logger’s file together with the logger results and with the step defined by the Logger Step parameter (path: <Menu>...

  • Page 58: Etting The Scale Of The Spectrum Plot Cale

    SVAN 971 User manual The user may shift the Y-axis up or down during the spectrum presentation by pressing the <Shift> and ▲ (or the <Shift> and ▼) push-buttons. <Sh/> The user may change the cursor position by means of the ◄, ►...

  • Page 59: Election Of The Spectra To Be Viewed Pect Iew

    SVAN 971 User manual Switching the grid on/off The Grid enables the user to switch on or off the grid in the spectrum view. => Switching the automatic Y-scale adjustment on/off The Autoscale position switches on the automatic adjustment of the Y axis scale to the current spread between lowest and highest measured results for octave or third octave.

  • Page 60: Dosimeter

    SVAN 971 User manual 12 DOSIMETER The instrument operates as Dosimeter function in a very similar way to the Level Meter functions and, in addition, measurement of basic dose parameters is performed in parallel with the Level Meter operations. Below additional settings related with the Dosimeter function are described.

  • Page 61: Setting The Alarm Thresholds For Dose Meter Functions - Alarm

    SVAN 971 User manual 12.3. Setting the alarm thresholds for dose meter functions – Alarm The Alarm position is active only in the Dosimeter function and enables the user to program the alarm thresholds for three profiles (Thresh. P1 (2,3)).

  • Page 62: Running Leq

    SVAN 971 User manual 13 RUNNING LEQ To select the Run. LEQ mode the user should enter the Function list by pressing the <Menu> push-button, then select the Function text and press <Enter>. Then, the user should open the Meas. Funct window and highlight the Run.

  • Page 63: Maintenance

    2.6 Ah) • USB interface – 100 mA HUB SVAN 971 is delivered with four AAA alkaline batteries, but the user may also use AAA rechargeable batteries.The “battery” icon shows the condition of the internal batteries. The instrument is not equipped with an internal charger; therefore, the rechargeable batteries can be charged only after removal them out of the instrument.

  • Page 64: Transducers

    - 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 65: Preservation Of Internal Batteries

    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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