I.S. EN 61183:1995现行
Electroacoustics - Random-incidence And Diffuse-field Calibration Of Sound Level Meters
出版：National Standards Authority of Ireland
专家解读视频
Describes a free-field calibration method for determining random-incidence sensitivity levels of sound level meters.
SS EN 61183 Ed. 1 (1996) - Identical
UNE EN 61183:1996 - Identical
NF EN 61183:1994 - Identical
IEC 61183 Ed. 1.0 - Identical
NBN EN 61183:1996 - Identical
DIN EN 61183 (1994-12) - Identical
BS EN 61183:1995 - Identical
SN EN 61183:1994 - Identical
