ISO 389-2:1994

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

Publication date:   Jul 7, 1994

General information

90.93   Standard confirmed   Oct 9, 2025

ISO

ISO/TC 43 Acoustics

International Standard

13.140   Noise with respect to human beings

Buying

Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 389-2:1994
90.93 Standard confirmed
Oct 9, 2025

REVISED BY

ABANDON
ISO/PWI 389-2




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