- 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
The BK Precision CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. With the BK Precision CAL 73 you can calibrate 1 inch diameter microphones directly and 1/2 inch microphones using 1/2 inch adaptor supplied with the calibrator.
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