Phase calibrator

Phase calibrator

  1. 51AB Phase Calibrator IEC 61043
    Freq range: 50 Hz to 6.3 kHz
    ANSI: S1.10
    IEC: 60943

    G.R.A.S. 51AB Phase Calibrator according to IEC 61043

    The Sound-intensity Calibrator 51AB is a coupler for phase and level calibrations of sound-intensity microphone pairs. It can be used for residual intensity testing, sound-intensity level calibration and particle velocity calibration as specified in IEC standard 1043 Electroacoustics-Instruments for the measurements of sound intensity- Measurement with pairs of pressure sensing microphones.

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