Class 1 acoustic calibrator

114dB @ 1000 Hz

The Nor1255 calibrator is generating 114 dB @ 1k Hz conforming to IEC 60942 and ANSI S1.40. The all-digital design with a quartz-controlled signal generator ensuring a frequency stability not yet seen on any calibrator on the market today. The reference microphone and accompanying control circuit maintain a constant sound pressure level inside the calibration coupler and automatically adjusts for changes in load volume, temperature, humidity and barometric pressure. Each calibrator is supplied with an individual accredited calibration certificate.


Product data Norsonic Nor1255 microphone calibrator

Nor1255 type approval