
ELECTROACOUSTICS - SOUND LEVEL METERS - PART 3: PERIODIC TESTS
出版:International Electrotechnical Committee

专家解读视频
Defines procedures for periodic testing of time-weighting, integrating-averaging, and integrating sound level meters that were designed to conform to the class 1 or class 2 specifications of the second edition of IEC 61672-1.
AS/NZS IEC 61672.3:2019 - Identical
DIN EN 61672-3 : 2017 - Identical
UNE EN 61672-3 : 2009 - Identical
PN EN 61672-3 : 2014 - Identical
NEN EN IEC 61672-3 : 2014 - Identical
BS EN 61672-3 : 2013 - Identical
SANS 61672-3 : 1ED 2007 - Identical
CEI EN 61672-3 : 2014 - Identical
DS EN 61672-3 : 2014 - Identical
I.S. EN 61672-3:2013 - Identical