ISO 389-2:1994 (R2025)
Active , Confirmed Standard
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ISO 389-2:1994 (R2025)

Acoustics
Reference zero for the calibration of audiometric equipment

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 07/07/1994
Confirmation Date 10/09/2025
Edition 1
Page Count 7
EAN ---
ISBN ---
Weight (in grams) ---
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