NS EN ISO 5136:2009现行
Acoustics - Determination Of Sound Power Radiated Into A Duct By Fans And Other Air-moving Devices - In-duct Method
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Gives a method for testing ducted fans and other air-moving devices to determine the sound power radiated into an anechoically terminated duct on the inlet and/or outlet side of the equipment.
Supersedes NS ISO 5136 (07/2003)
UNE EN ISO 5136:2004 - Identical
NEN EN ISO 5136:2009 - Identical
UNE EN ISO 5136:2010 - Identical
SS EN ISO 5136 Ed. 2 (2009) - Identical
ONORM EN ISO 5136:2010 - Identical
NBN EN ISO 5136:2009 - Identical
NF EN ISO 5136:2009 - Identical
UNI EN ISO 5136:2009 - Identical
