BS ISO 4869-2:1994被替代
Acoustics - Hearing Protectors - Estimation Of Effective A-weighted Sound Pressure Levels When Hearing Protectors Are Worn
出版：British Standards Institution
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基本信息
标准编号： BS ISO 4869-2:1994
发布时间：1995/3/15 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：20
标准简介
Describes three methods of estimating the A weighted sound pressure levels effective when hearing protectors are worn. Coverage includes: Octave-band method, HML method, and SNR method. Also gives detailed tables. BS AMD 8935 RENUMBERS THIS STANDARD
标准备注
© British Standards Institution 2013
Renumbered and superseded by BS EN ISO 4869-2.
Supersedes 87/55121 DC.
(10/2005)
等同采用的国际标准
ISO 4869-2:1994 - Identical
