GRAS 90AB
Basic Audiometer Calibration System

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The GRAS 90AB Basic Audiometer Calibration system is configured for the stationary calibration lab and will also calibrate supra- and circum-aural audiometric earphones like TDH-39, HDA 200, HDA280 and HDA 300.

SKU: 19745 Categories: ,

GRAS 90AB Basic Audiometer Calibration System

The GRAS 90AB Basic Audiometer Calibration system is configured for the stationary calibration lab and will also calibrate supra- and circum-aural audiometric earphones like TDH-39, HDA 200, HDA280 and HDA 300.

The configuration includes a GRAS Audiometer Calibration Analyzer, two complete sets of standardized ear simulators and a coupler platform.

Typical Applications and Use

Typical users are:

  • Owners of Audiometers
    • Hospitals, ENT-department (ordinary and military)
    • Hearing clinics
    • Hearing aid fitters / dispensers
  • Calibration service providers
    • Test houses / Certification labs
    • On-site calibration providers

Typical applications and uses:

  • Calibration of supra- and circum-aural and insert earphones
  • Free-field calibration and audiometric booth verification
  • Modular artificial ear systems according to standards
  • Dedicated audiometer calibration analyzer
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