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SQ-4.1

True pressure chamber calibration with an acoustic coupler

True pressure chamber calibration with an acoustic coupler in a frequency range from 31.5 Hz…8 kHz.

 

APPLICATIONS

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SQ-4.1

Key Features

Application

 Application
  • Pressure chamber secondary calibration of microphones according to IEC 61094-5 
  • Pressure chamber secondary calibration of sound level meters and sound level measuring chains according to IEC 61672

Range of use

Range of use
  • Certified calibration laboratories
  • Departments of measuring instrument verification in research and industry, for example test laboratories in the automotive field or in the aviation and space industry
  • Quality assurance in manufacturing of microphones, sound level meters and dosimeters

Features 1

 Features
  • Wide frequency range 31.5 Hz…8 kHz
  • Low distortion, even at low frequencies
  • Symmetric very small pressure chamber

Features 2

 
  • True pressure chamber calibration with an acoustic coupler
  • Calibration of measuring microphones (1” capacitor and electrets microphones)
  • Supply of a sound pressure level for the calibration of sound level meters and measuring chains
     

Product details

  • Frequency Range: 31.5 Hz…8 kHz
  • Sound pressure level: 64 dB…94 dB
  • true pressure chamber calibration calibration for 1 inch microphones

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