Toppegenskaper

  • Levereras med ackrediterat kalibreringscertifikat
  • Robust, kompakt
  • Batteridriven

Funktioner

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  • 1 frekvens samt 1 nivå (114dB nivå vid 1000 Hz)
  • Uppfyller EN/IEC 60942 : 2017 Class 1
  • Ultrastabil referensmikrofon
  • Digital ”quartz-controlled” signalgenerator
  • Kompenserar fullt ut för atmosfärstryck, luftfuktighet och temperatur
  • Kompenserar automatiskt nivån för olika mikrofonvolymer
  • Robust, kompakt och batteridriven
  • Levereras med ackrediterat kalibreringscertifikat

Standarder

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  • IEC 60942:2017
  • ANSI/ASA S1.40-2006

Specifikationer

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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
Additional specifications for the built in ambient measurement sensors:
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

Nedladdningar

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Type approvals

Type approvals Nor1255

  • Type approval PTB, Germany -

    BMPB_Nor1255_Nor1256_Rev3.pdf (1032.4KB)
    Released
  • Type approval - BEV, Austria -

    NOR-1255-Beilage-1-00.-Grundzulassung.pdf (386.81KB)
    Released
  • Type approval - LNE , France -

    LNE-33792-rev.-0-du-20-decembre-2017-NOR1255.pdf (1433.62KB)
    Released
Certificates

Certificates Nor1255

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