top of page
Nor1255 sound calibrator

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.

Enquire Now

Product Enquire now Form
bottom of page