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EN ISO 389-3:1998

Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994)

Publication date:   Feb 24, 2001

General information

99.60 Withdrawal effective   Feb 17, 2016

CEN

CEN/TC 211 Acoustics

European Norm

13.140   Noise with respect to human beings

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Scope

Specifies the following data applicable to the calibration of bone vibrators for pure-tone bone-conduction audiometry: reference equivalent threshold force levels (RETFL), corresponding to the threshold of hearing of young otologically normal persons by bone-conduction audiometry; essential characteristics of the bone vibrator and of its method of coupling to a person under test and to the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.

Life cycle

NOW

WITHDRAWN
EN ISO 389-3:1998
99.60 Withdrawal effective
Feb 17, 2016

REVISED BY

PUBLISHED
EN ISO 389-3:2016

Relations

Adopted from ISO 389-3:1994 IDENTICAL