DIN EN 1822-4 E : 2011被替代
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)
專家解讀視頻
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
UNI EN 1822-4 : 2010 - Identical
I.S. EN 1822-4:2009 - Identical
NEN EN 1822-4 : 2009 - Identical
SN EN 1822-4 : 2010 - Identical
