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407744: 94dB Sound Calibrator

1kHz Professional Calibrator for 0.5″ or 1.0″ Microphones

View Datasheet > 407744


This 1kHz, 94dB professional sound calibrator for 0.5″ or 1.0″ microphones calibrates and verifies sound level meter operation. Battery test position with battery status LED indicates if battery is good. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB to an accuracy of 5% (frequency) and ±0.5dB (94dB). Meets IEC standard 60942 1997-11. Complete with two 9V batteries, carrying case, and screwdriver.

Additional information


1000 Hz

Sound Pressure Level



<2% Total Harmonic Distortion (THD)

Operating Temperature

32 to 122°F (0 to 50°C)

Power Supply

Two Heavy duty, alkaline 9V Battery


2.2" diameter x 5.6" long (50 x 127mm)


0.75 lbs. (340g)

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