I.S. EN ISO 3743-1:2010现行
Acoustics - Determination of Sound Power Levels and Sound Energy Levels of Noise Sources Using Sound Pressure - Engineering Methods for Small Movable Sources in Reverberant Fields Part 1: Comparison Method for a Hard-walled Test Room
出版：National Standards Authority of Ireland
专家解读视频
Defines methods for determining the sound power level or sound energy level of a noise source by comparing measured sound pressure levels emitted by this source (machinery or equipment) mounted in a hard-walled test room, the characteristics of which are specified, with those from a calibrated reference sound source.
SS EN ISO 3743-1 Ed. 3 (2010) - Identical
ONORM EN ISO 3743-1:2010 - Identical
UNE EN ISO 3743-1:2011 - Identical
NS EN ISO 3743-1:2010 - Identical
NBN EN ISO 3743-1:2010 - Identical
NF EN ISO 3743-1:2012 - Identical
NEN EN ISO 3743-1:2010 - Identical
BS EN ISO 3743-1:2010 - Identical
NF EN ISO 3743-1:2009 - Identical
