BS-2497-4 › Specification for a reference zero for the calibration of pure-tone audiometers. Normal threshold of hearing for pure tones by bone conduction

BS-2497-4 - 1972 EDITION - CANCELLED -- See the following: BS-6950
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Specification for a reference zero for the calibration of pure-tone audiometers. Normal threshold of hearing for pure tones by bone conduction


To find similar documents by classification:

13.140 (Noise with respect to human beings Including audiometry Hearing protectors, see 13.340.20 Acoustics and acoustic measurements, see 17.140)

17.020 (Metrology and measurement in general Including measuring instruments in general, preferred numbers, standard measures, general aspects of reference materials, etc. Quantities and units, see 01.060 Chemical reference materials, see 71.040.30)

17.140.50 (Electroacoustics Including sound level meters)

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Document Number

BS 2497-4:1972

Revision Level

1972 EDITION

Status

Cancelled

Publication Date

July 25, 1972