BSI BS EN ISO 389:1997

Withdrawn Consolidated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

Best Price Guarantee Feb 28, 1992 English 14 Pages

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A newer publication replaces it: BSI BS EN ISO 389-1


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BSI BS EN ISO 389:1997

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

PUBLISH DATE 1992
PAGES 14
BSI BS EN ISO 389:1997

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.

These measurements are taken in an artificial ear complying with IEC 60318.

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