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

BSI Group, 09/20/1968

Publisher: BS

File Format: PDF

$125.00$251.46

Description

Published:20/09/1968

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

All current amendments available at time of purchase are included with the purchase of this document.

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