
HIGH EFFICIENCY AIR FILTERS (EPA, HEPA AND ULPA) - PART 4: DETERMINING LEAKAGE OF FILTER ELEMENTS (SCAN METHOD)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Applicable to efficient air filters (EPA), high efficiency air filters (HEPA) and ultra low penetration air filters (ULPA-filters) used in the field of ventilation and air conditioning and for technical processes, e.g. for applications in clean room technology or pharmaceutical industry.
NS EN 1822-4 : 2009 - Identical
BS EN 1822-4 : 2009 - Identical
NF EN 1822-4 : 2010 - Identical
ONORM EN 1822-4 : 2012 - Identical
EN 1822-4 : 2009 - Identical
NBN EN 1822-4 : 2010 - Identical
UNE EN 1822-4 : 2010 - Identical
SN EN 1822-4 : 2010 - Identical
I.S. EN 1822-4:2009 - Identical
NEN EN 1822-4 : 2009 - Identical
UNI EN 1822-4 : 2010 - Identical
I.S. EN 1822-4:2009 - Identical