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ISO 389-2:1994

Current Revision

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

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 389
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 43/WG 1
Publish Date Document Id Type View
Not Available ISO 389-2:1994 Revision