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.
BS 6950:1988
Original price was: $190.50.$95.00Current price is: $95.00.
Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers
BSI Group , 02/29/1988
Pages: 18
