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>BSI Standards >11 HEALTH CARE TECHNOLOGY>11.040 Medical equipment>11.040.01 Medical equipment in general>BS EN ISO 389:1997 Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers
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immediate downloadReleased: 1992-02-28
BS EN ISO 389:1997 Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers

BS EN ISO 389:1997

Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers

CURRENCY
151.2 EUR
Standard number:BS EN ISO 389:1997
Pages:14
Released:1992-02-28
ISBN:0 580 20395 6
Status:Standard
DESCRIPTION

BS EN ISO 389:1997


This standard BS EN ISO 389:1997 Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers is classified in these ICS categories:
  • 17.140.50 Electroacoustics
  • 11.040.01 Medical equipment in general

Specifies reference equivalent threshold sound pressure levels for Beyer DT 48, telephonics TDH 39 earphones in a coupler complying with IEC 60303 and supra-aural earphones, meeting stated requirements, in an artificial ear complying with IEC 60318.
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