SS EN ISO 4869-2:1995现行
Acoustics - Hearing Protectors - Part 2: Estimation Of Effective A-weighted Sound Pressure Levels When Hearing Protectors Are Worn
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
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.
ISO 4869-2:1994 - Identical
NS EN ISO 4869-2:1995 - Identical
NF EN ISO 4869-2:1995 - Identical
UNI EN ISO 4869-2:1998 - Identical
I.S. EN ISO 4869-2:1996 - Identical
NBN EN ISO 4869-2:1996 - Identical
ONORM EN ISO 4869-2:1995 - Identical
DIN EN ISO 4869-2 (1995-08) - Identical
BS EN ISO 4869-2:1995 - Identical
NEN EN ISO 4869-2:1995 - Identical
SN EN ISO 4869-2:1995 - Identical
UNE EN ISO 4869-2:1996 - Identical
