IEC 61183:1994 EN-FR 0d95d9a8
Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters
现行
发布日期 :
1994-06-07
实施日期 :
IEC 61669:2001 EN-FR c3420624
Electroacoustics - Equipment for the measurement of real-ear acoustical characteristics of hearing aids
REVISED
发布日期 :
2001-01-30
实施日期 :
IEC 61672-1:2013 EN-FR 1d9cd493
Electroacoustics - Sound level meters - Part 1: Specifications
现行
发布日期 :
2013-09-30
实施日期 :
IEC 61672-2:2013 EN-FR c4f04074
Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests
现行
发布日期 :
2013-09-30
实施日期 :
IEC 61828:2001 EN_D bd99d371
Ultrasonics - Focusing transducers - Definitions and measurement methods for the transmitted fields
REVISED
发布日期 :
2001-05-29
实施日期 :