NS EN 1822-5:2009现行
High Efficiency Air Filters (epa, Hepa And Ulpa) - Part 5: Determining The Efficiency Of Filter Elements
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Describes a procedure for the determination of the efficiency on the basis of a particle counting method using a liquid test aerosol, and allows a standardized classification of these filters in terms of their efficiency.
NEN EN 1822-5:2009 - Identical
NF EN 1822-5:2010 - Identical
UNI EN 1822-5:2010 - Identical
ONORM EN 1822-5:2000 - Identical
SN EN 1822-5:2000 - Identical
SS EN 1822-5 Ed. 1 (2000) - Identical
UNE EN 1822-5:2001 - Identical
NBN EN 1822-5:2000 - Identical
NBN EN 1822-5:2010 - Identical
BS EN 1822-5:2009 - Identical
ONORM EN 1822-5:2011 - Identical
SN EN 1822-5:2010 - Identical
UNE EN 1822-5:2010 - Identical
SS EN 1822-5 Ed. 2 (2009) - Identical
