Reference number
ISO 389-2:1994
International Standard
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
Edition 1
1994-07
Read sample
ISO 389-2:1994
4378
Published (Edition 1, 1994)
This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 389-2:1994

ISO 389-2:1994
4378
Language
Format
CHF 63
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Abstract

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.

General information

  •  : Published
     : 1994-07
    : International Standard confirmed [90.93]
  •  : 1
     : 7
  • ISO/TC 43
    13.140 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

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