ND-9 Sound Level Meter Calibrator 94db & 114db ±0.3db IEC942

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ND-9 Sound Level Meter Calibrator 94db & 114db ±0.3db IEC942

Regular Price $94.90
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The Sound Level Calibrator is a handy source for fast & easy calibration of sound level meter, microphone and sound measuring system. Design to check the accuracy of many types of sound instruments.

Moreover, the calibrator employs a solid state integrated circuitry that provides accurate and stable performance. It is Compatible with SL-5868P sound level meter and an IEC942 Class I compliant.


  • Sensitivity calibration for microphones
  • Suitable for acoustics field and laboratory use


  • Sound Pressure Level with 94 dB and 114 dB
  • High Accuracy with ±0.3 db
  • Generates standard levels and frequencies
  • Extremely low influence of static pressure
  • Sensitivity calibration of microphones
  • Designed for 1" and 1/2" microphones
  • Battery Operated
  • Supplied with Instruction Manual and battery



  • Output Sound Level: 94db & 114db
  • Accuracy: ±0.3db(20°C, 760mm Hg)
  • Frequency: 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear)
  • Temperature range: -10~50°C (14 ~ 122 °F)
  • Standard: IEC942 Class I
  • Design For: 1"and 1/2" microphones
  • Storage (with batteries removed) -40~65°C (-40 ~ 149 °F)
  • Extremely low influence of static pressure
  • Temperature coefficient : 0 to 0.01dB/°C
  • Altitude Effects: Approximately0.1dB decrease for each 2000 feet increase in altitudefrom the sea level to 12,000 feet elevation or comparableatmospheric pressure change (approx. every 50mm of Hgdecrease)
  • Power Supply: 9v transistor batteries NEDA 1604. Burgess 2U6 or equivalent.
  • Battery life approx.100 hours
  • Dimension: 48mm x 48mm x 138mm (5.43 x 1.89 x 1.89 inch)
  • Weight: 250g


Set Includes
  • 1 x Sound Level Meters Calibrator
  • 1 x 9V Battery installed (FREE)
  • 1 x English Instruction Manual
  • Standard factory packaging box

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