Rion Sound Calibrator NC-74

Calibrator
Rion Sound Calibrator NC-74
Sound pressure level: 94 dB ± 0.3 dB
Frequency: 1000 Hz ± 2 %
For Type 1 and Type 2 sound level meters.
Compact and lightweight unit requires no atmospheric pressure compensation
- Compliant with IEC 60942:2003 class 1 and JIS C1515:2004 class 1
- Allows calibration of 1-inch and 1/2-inch microphones
- No need for atmospheric pressure compensation
- Frequency 1 kHz, SPL94 dB