General Sound calibrator class 1 according to EN/IEC 60942 : 2017 Class 1 and ANSI/ASA S1.40-2006 (R2011).
Microphone size: 1/1” and below.
Calibrator frequency (@ Reference conditions): 251.19±0.30 Hz and 1000 ±1.00 Hz
Generated Sound Pressure Level relative to 20μPa (@ Reference conditions): 114.0±0.2 dB and 94.0±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
Display type and resolution: Mono-colour OLED graphical display – 128×64 (WxH)
Additional specifications for the built in ambinet measurement sensors:
Temperature range: -10ºC to +50ºC or 14ºF to 122ºF
Resolution / Accuracy: 0.1ºC / ±2ºC or 0.1ºF / ±2ºF
Atmospheric pressure: 65 kPa to 108 kPa; Resolution 0.1kPa; Accuracy ±0.4 kPa, (for temperature above 0ºC)
Relative humidity: 0% to 100%; Resolution 1%; Accuracy ±4%, (for temperature above 0ºC and humidity in the range 25% to 85%)
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: 125g / 0.28lb
Size ( LxWxH ): 97×51.5×41 mm / 3.8×2.0×1.6 “
Accessories included:
(may vary if supplied as part of a Sound level meter kit):
- 1/2” microphone adapter Nor4583
- Accreditated calibration
- 2 x AAA batteries, instruction manual
- Leather pouch Nor1345.
