NOR1255 Sound Calibrator
Small battery-operated
Ultra-stabile silicone reference microphone
All-digital quartz-controlled signal generator
Class 1 calibrator
Nor1255 is a small battery-operated precision class 1 microphone calibrator generating 114 dB @ 1kHz conforming to IEC 60942 and ANSI /ASA 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.
