AcSoft
Svantek UK

SV 104 Noise dosimeter

SV 104 Personal Noise Dosimeter brings incredible functionality into a compact style instrument. The SV 104 instrument is a revolutionary new approach to occupational health and safety noise monitoring offering voice comments and audio events recording functions which are a new concept in an instrument of this size.

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This personal dosimeter has a robust 1/2 MEMS microphone enabling easy calibration using most commonly available acoustic calibrators. The SV 104 is a cable-free dosimeter and is typically attached to the user’s shoulder, close to the ear using the mounting clips supplied.

The measurement data is safely stored in the large 8 GB memory and the amazing OLED screen displays information in both text and graphical form and offers excellent visibility even in full daylight.

The instrument works with Svantek’s specialist health and safety software package, Supervisor and is powered using built-in rechargeable batteries or through the USB interface which also enables easy connection between the SV 104 and a PC.

Never before has a noise dosimeter been so accomplished yet affordable, making your measurements more accurate and reliable than ever before.

What is a noise dosimeter?

noise dosimeter is a sound measuring instrument meeting IEC 61252 international standard’s performance criteria in the range of 55 dB to 140 dB and frequencies from 20 Hz to 8 kHz. Usually, noise dosimeters follow the same requirements as class 2 sound level meters.

    SV 104 Technical Specifications

    StandardsIEC 61252; ANSI S1.25-1991; Class 2: IEC 61672:2002
    Weighting filtersA, C and Z
    Time constantsSlow, Fast, Impulse
    Exchange rates2, 3, 4, 5, 6
    Measurement resultsLavg/Leq, SPL, Max, Min, SEL, SEL8, PSEL, LEPd, Dose (%), TWA, E, E_8h, Peak, Run Time, Upper Limit, Time (ULT), L(C-A), Projected Dose (D_8h)
    Measurement profiles3
    MicrophoneClass 2 microphone, 1/2″ housing with built-in TEDS functionality for the automatic calibration
    Measurement range55 dBA RMS ÷ 140.1 dBA Peak
    Frequency range30 Hz ÷ 8 kHz
    Dynamic range95 dB
    Data loggingSummary results for the measurement time
    Time-history logging of Leq/Max/Min/Peak with 1s logger step
    Voice commentsAudio records on demand, created before or after measurement, added to measurement file
    Audio recordingAudio events recording, trigger and continuous mode, 12 or 24 kHz sampling rate, wav format (option)
    1/1 octaveReal-time analysis in octave band filters, Class 1, IEC 61260
    9 filters with centre frequencies from 31.5 Hz to 8 kHz (option)

    Basic data

    Display128 x 64 pixels OLED
    Memory8 GB
    InterfacesUSB 2.0 client
    Keyboard3 push buttons
    Power supplyNi-MH rechargeable cells: operation time > 40 hours1
    USB interface 500 mA HUB
    Environmental conditionsTemperature from -10 oC to 50 oC
    Humidity up to 95 % RH, non-condensed
    Dimensions 88 x 49.5 x 19.2 mm
    Weight100 grams with batteries

     1depends on instrument operation mode

    *Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice.

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