Sound calibrator

  1. 42AB Sound Calibrator
    Sound pressure level: 114 dB
    Frequency: 1 kHz
    ANSI: S1.40
    IEC: 60942

    G.R.A.S. 42AB Sound Calibrator, Class 1

    The G.R.A.S. 42AB  Sound Calibrator is a small battery-operated precision microphone calibrator. The calibrator can be used directly on 1" microphones. Adapters for calibrating  1/2" (factory mounted), 1/4" and 1/8" microphones are included.

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  2. 42AB-S1 Sound Calibrator
    Sound pressure level: 124 dB
    Frequency: 250 Hz
    ANSI: S1.40
    IEC: 60942

    G.R.A.S. 42AB-S1 Sound Calibrator for LMS SCADAS 3D Binaural Headset

    The G.R.A.S. 42AB-S1 Sound Calibrator is a pocket sized battery operated sound calibrator for calibration of LMS SCADAS 3D Binaural Headset. It complies with the requirements of IEC 60942 Class 1. Learn More

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