Sound Level Calibrator Cal150: Larson Davis

Sound Level Calibrator Cal150: Larson Davis

The CAL 150 Sound Level Calibrator is a battery operated precision microphone calibrator for sound level meters, Noise dosimeters and Noise monitoring station.

ANSI S1.40, IEC 60942:2017 & IEC60942:2003 Class 1 compliant. Output level: 94 or 144 dB, Output frequency:1 kHz, 1/2″ microphone opening and has an internal battery.

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