GRAS 90AB Basic Audiometer Calibration System

Freq range:
ANSI: S.1.40, S.1.43, S.1.11, S.3.6
IEC: 60318-1 & -2

The GRAS Audiometer Calibration Systems are configured to meet the requirements of modern audiometer calibration. They are easy and fast to set up and control, and can be upgraded as your calibration needs change.

Technology

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

Specifications

ANSI standard
S1.40, S1.43, S1.11, S3.6
IEC standard
60318-1 & 60318-2

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

Ordering info

 Included

GRAS 43AF-S4 Artificial Ear w/NMS 9A 6cc coupler
GRAS 40AG ½″ Ext. Polarized Pressure Microphone, High Frequency
GRAS HW1001 Audiometer Calibration Analyzer
GRAS RA0039 IEC 60318 Ear Simulator
GRAS EL0001 Battery Alkaline LR6-AA 1.5 V (4 pcs incl.)
GRAS LI0039 Manual

Optional

GRAS OP0001

 Insert Earphone Option (IEC60318-5 2cc Reference Coupler RA0113 for 1” Microphone)
GRAS OP0002 Free-field Calibration Option (Free-field microphone 46AF, 10 m LEMO cable, tripod adapter and tripod)
GRAS OP0003 System Verification Option (Sound calibrator 42AB and force gauge)
GRAS KM0078 Suitcase

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.