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ISO 389:1985Withdrawn

Acoustics — Standard reference zero for the calibration of pure tone air conduction audiometers

Acoustique — Zéro normal de référence pour l'étalonnage des audiomètres à sons purs en conduction aérienne

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Life cycle

Replaces

ISO 389:1975WithdrawnAcoustics — Reference zero for the calibration of audiometric equipmentInternational Standard · Published 15 Jan 1975 · ISO/TC 43

Replaced by

ISO 389:1991WithdrawnAcoustics — Standard reference zero for the calibration of pure-tone air conduction audiometersInternational Standard · Published 7 Mar 1991 · ISO/TC 43