SN EN 60942:2003现行
Electroacoustics - Sound Calibrators
出版：Swiss Standards
专家解读视频
Defines performance requirements for three classes of sound calibrator - classes 0, 1 and 2 in decreasing order of accuracy under specific conditions.
DIN EN 60942 (2004-05) - Identical
BS EN 60942:2003 - Identical
SS EN 60942 Ed. 2 (2003) - Identical
UNE EN 60942:2005 - Identical
I.S. EN 60942:2003 - Identical
NF EN 60942:2003 - Identical
NBN EN 60942:2004 - Identical
IEC 60942 Ed. 3.0 - Identical
EN 60942:2003 - Identical
