BSI BS 2497-1:1968

Withdrawn Revision
Specification for a reference zero for the calibration of pure-tone audiometers -- Data for earphone coupler combinations maintained at certain standardizing laboratories

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A newer publication replaces it: BSI BS 2497-5


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BSI BS 2497-1:1968

Specification for a reference zero for the calibration of pure-tone audiometers -- Data for earphone coupler combinations maintained at certain standardizing laboratories

PUBLISH DATE 1968
BSI BS 2497-1:1968

Specifies a standard reference zero for the scale of hearing threshold level applicable to pure-tone audiometers.

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