BS 6950:1988被替代
Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 6950:1988
發布時間：1988/2/29 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：16
標準簡介
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.
標準備注
? British Standards Institution 2013
Amendment notes:
AMD 7340 published 15 October 1992
替代本標準的新標準
等同采用的國際標準
ISO 7566:1987 - Identical
