B&K Precision CAL73 – Sound Level Calibrator (94dB, 1KHz Sine Wave)

Description
BK Precision CAL73 – Sound Level Calibrator (94dB , 1KHz Sine Wave)
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 1/2 inch microphones
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 a 1/2 inch adapter supplied with the calibrator.