CAL73产品概述
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 adapter supplied with the calibrator.
Features:
Conforms to IEC 60942 (2003) Class 2, ANSI SI.40-1984
94 dB and 114 dB Sound calibrator at 1 kHz
Accurate and simple to use
Fits 1 inch and 1⁄2 inch microphones