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Sound calibrator
94 dB | CAL73 B&K Precision

The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. You can calibrate 1 inch diameter microphones directly and 1/2 inch microphones using 1/2 inch adaptor supplied with the calibrator.

* Conforms to IEC 60942 (2003) Class 2, ANSI SI.40-1984
* 94dB and 114dB Sound calibrator at 1KHz
* Accurate and simple to use
* Fits 1 inch and ½ inch microphones
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