NF 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：Association Francaise de Normalisation
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. Applicable to fans which emit steady, broad-band and discrete-frequency sound and to air temperatures between -50 degrees C and +70 degrees C.
Indice de classement: S31-063. PR NF EN ISO 5136 June 2000. (10/2003) Supersedes NF EN 25136. (12/2003) PR NF EN ISO 5136 June 2009. (06/2009) 2003 version is still active. (11/2009)
ONORM EN ISO 5136:2010 - Identical
SS EN ISO 5136 Ed. 2 (2009) - Identical
DIN EN ISO 5136 (2009-11) - Identical
BS EN ISO 5136:2009 - Identical
UNE EN ISO 5136:2004 - Identical
I.S. EN ISO 5136:2009 - Identical
NEN EN ISO 5136:2009 - Identical
UNE EN ISO 5136:2010 - Identical
NS EN ISO 5136:2009 - Identical
NBN EN ISO 5136:2009 - Identical
UNI EN ISO 5136:2009 - Identical
