
Acoustics - Determination Of Sound Power Levels And Sound Energy Levels Of Noise Sources Using Sound Pressure - Survey Method Using An Enveloping Measurement Surface Over A Reflecting Plane
出版:Nederlands Normalisatie Instituut

专家解读视频
Defines methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping a noise source (machinery or equipment) in a test environment for which requirements are given.
Supersedes NEN ISO 3746. (10/2002)
UNI EN ISO 3746:2009 - Identical
DIN EN ISO 3746 (2009-11) - Identical
NF EN ISO 3746:2009 - Identical
NBN EN ISO 3746:2009 - Identical
NS EN ISO 3746:2009 - Identical
ONORM EN ISO 3746:2009 - Identical
UNE EN ISO 3746:2010 - Identical
SN EN ISO 3746:2010 - Identical
I.S. EN ISO 3746:2010 - Identical
BS EN ISO 3746:2010 - Identical
SS EN ISO 3746 Ed. 3 (2010) - Identical
UNI EN ISO 3746:2011 - Identical
UNE EN ISO 3746:2011 - Identical
NF EN ISO 3746:2012 - Identical
ONORM EN ISO 3746:2011 - Identical
NBN EN ISO 3746:2011 - Identical
NS EN ISO 3746:2010 - Identical
SN EN ISO 3746:2011 - Identical