High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method).
NORM herausgegeben am 1.1.2011
Designation standards: DIN EN 1822-4:2011-01
Note: UNGÜLTIG
Publication date standards: 1.1.2011
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: German technical standard
Kategorie: Technische Normen DIN
Schwebstofffilter (EPA, HEPA und ULPA) - Teil 4: Leckprüfung des Filterelementes (Scan-Verfahren).