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NEN EN 1822-4:2009现行

High Efficiency Air Filters (epa, Hepa And Ulpa) - Part 4: Determining Leakage Of Filter Elements (scan Method)

出版：Nederlands Normalisatie Instituut

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基本信息

标准编号： NEN EN 1822-4:2009

发布时间：2009/12/1 0:00:00

标准类别：Standard

出版单位：Nederlands Normalisatie Instituut

标准页数：42

标准简介

Defines a procedure for the determination of the efficiency on the basis of a particle counting method using an artificial test aerosol, and allows a standardized classification of these filters in terms of their efficiency. Applies 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.

本标准替代的旧标准

NEN EN 1822-4:2000

等同采用的国际标准

I.S. EN 1822-4:2009 - Identical

BS EN 1822-4:2009 - Identical

NF EN 1822-4:2010 - Identical

NS EN 1822-4:2009 - Identical

UNI EN 1822-4:2010 - Identical

NBN EN 1822-4:2010 - Identical

UNE EN 1822-4:2010 - Identical

DIN EN 1822-4 (2011-01) - Identical

ONORM EN 1822-4:2012 - Identical