BS 6950:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers
Hardcopy , PDF
15-03-1995
English
29-02-1988
Gives reference equivalent threshold force levels for the hearing threshold of otologically normal persons, aged between 18 and 30 years by bone conduction audiometry; essential characteristics of the bone vibrator and its coupling to both the test subject and the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.
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