ISO-389-2 › Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

ISO-389-2 - 1994 EDITION - CURRENT


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Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.

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

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Document Number

ISO 389-2:1994

Revision Level

1994 EDITION

Status

Current

Publication Date

Jan. 1, 1994

Committee Number

ISO TC 43/WG 1