EN 1822-4:2000

High efficiency particulate air filters (HEPA and ULPA) - Part 4: Determining leakage of filter element (Scan method) EN 1822-4:2000

Publication date:   Jul 6, 2002

General information

99.60 Withdrawal effective   Nov 18, 2009

CEN

CEN/TC 195 Cleaning equipment for air and other gases

European Norm

23.120   Ventilators. Fans. Air-conditioners

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Scope

This standard applies to high efficiency air filters and ultra low penetration air filters (HEPA- and ULPA-filters) used in the field of ventilation and air conditionning and for technical processes, for example, for clean room technology or applications in the nuclear or pharmaceutical industry. It establisches 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.

Life cycle

NOW

WITHDRAWN
EN 1822-4:2000
99.60 Withdrawal effective
Nov 18, 2009

REVISED BY

WITHDRAWN
EN 1822-4:2009