Rion NC-72A Pistonphone Calibrator
The NC-72A is a mechanical calibrator for the calibration of for 1“, ½” or ¼” microphones. It is designed to generate sound with a pressure level of 114 dB at 101.325 kPA of atmospheric pressure. The unit is supplied with a barometer in case compensation for atmospheric pressure is required.
Allows calibration with accuracy of +/- 0.15 dB
Usable in wide temperature and humidity range
Usable as a standard sound source in laboratories or as a calibration source for sound level meters on site
Usable in wide temperature and humidity range
Usable as a standard sound source in laboratories or as a calibration source for sound level meters on site
Barometer
½ inch adapter
¼ inch adapter
AA batteries
Carrying case
