Цифровой тестер уровня шума для измерителя звука 94dB & 114dB выходной класс I w/аккумулятор +/-0 3 db

Описание и отзывы

Трекер стоимости

Характеристики

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.

Applications:

• Sensitivity calibration for microphones


• Suitable for acoustics field and laboratory use

Features

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  Output Sound Level: 94db & 114db
  
  


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  Accuracy: ±0.3db(20°C, 760mm Hg)
  
  


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  Frequency: 1000±0.1%Hz (allows calibration with A,B,C or D weighting networksor linear
  
  


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  Temperature range: -10~50°C (14 ~ 122 °F)
  
  


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  Standard: IEC942 Class I

  
  
  
  


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  Design For: 1"and 1/2" microphones
  
  


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  Storage (with batteries removed) -40~65°C (-40 ~ 149 °F)
  
  


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  Extremely low influenceof static pressure
  
  


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  Temperature coefficient:0 to 0.01dB/°C
  
  


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  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)
  
  


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  Power Supply: 9v transistor batteries NEDA 1604. Burgess 2U6 or equivalent.
  
  


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  Battery life approx.100 hours
  
  


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  Dimension: 48mm x 48mm x 138mm (5.43 x 1.89 x 1.89 inch)
  
  


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  Weight: 250g