Norsonic NOR1255 Sound Calibrator

Explore the Norsonic NOR1255 Sound Calibrator — engineered for precise, standards-compliant acoustic measurements. Highlights Robust, compact and battery operated Supplied with accredited calibration certificate Conforms to EN/IEC 60942:2017 Class 1 and ANSI S1.40–2006 class 1 Features Conforms to EN/IEC 60942:2017 Class 1 and ANSI S1.40–2006 class 1 Ultra-stabile silicone reference microphone All-digital quartz-controlled signal generator Fully compensated for static pressure, humidity and temperature Sound pressure independent of microphone equivalent volume Robust, compact and battery operated 114dB @ 1000 Hz Supplied with accredited calibration certificate Standards IEC 60942:2017 ANSI/ASA S1.40-2006 Specifications General Sound calibrator class 1 according to EN/IEC 60942:2017 Class 1 and ANSI/ASA S1.40-2006 (R2011). Microphone size: 1/2” and below via adapters Calibrator frequency ( @ Reference conditions): 1000 ±1.00 Hz Generated Sound Pressure Level relative to 20µPa (@ Reference conditions): 114.0±0.2 dB Distortion: Max 2.0 % Stabilizing time: 20 seconds Sensitivity to environmental conditions: As specified for IEC 60942 class 1 / ANSI S1.40. Environmental range for specified operation: Temperature: -10ºC to +50ºC / 14ºF to 122ºF Relative humidity: 25 % to 90 % Air pressure: 65 kPa to 108 kPa Power off: By power switch or when microphone is removed (may be deactivated) Battery type: 2 x LR03 alkaline batteries (AAA-size) Battery life: > 10 hours Battery low: Automatically switching off if battery voltage too low Weight: 125 g / 0.28 lb Size ( LxWxH ): 97 x 51.5 x 41 mm / 3.8 x 2.0 x 1.6“ Accessories included: May vary if supplied as part of a sound level meter kit: Accredited calibration 2 x AAA batteries Instruction manual Leather pouch Nor1345