NEW! Class 1 Sound Calibrator Nor1255

Nor1255 replaces the well-known Nor1251. Nor1255 is a small battery-operated precision class 1 microphone calibrator generating 114 dB @ 1k Hz conforming to IEC 60942 and ANSI S1.40. The Nor1255 uses the same reference microphone and design principle as the more sophisticated version Nor1256. The Nor1255 replaces the well-known Nor1251 sound calibrator that was the … Continue reading NEW! Class 1 Sound Calibrator Nor1255