BSI BS 2497-3:1972

Withdrawn Revision
Specification for a reference zero for the calibration of pure-tone audiometers -- Data for a wide-band artificial ear complying with BS 4669

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A newer publication replaces it: BSI BS 2497-6


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BSI BS 2497-3:1972

Specification for a reference zero for the calibration of pure-tone audiometers -- Data for a wide-band artificial ear complying with BS 4669

PUBLISH DATE 1972
BSI BS 2497-3:1972

Values of sound pressure level corresponding to audiometric zero for monaural earphone listening to pure tones of certain stated frequencies.

These values are specified in terms of the sound pressure level set up in an artificial ear conforming to the requirements of BS 4669.

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