BS EN 1822-3:2009 High efficiency air filters (EPA, HEPA and ULPA). Testing flat sheet filter media (Withdrawn)
Publication Year
2009
Document Status
Withdrawn
Abstract
Applies to high efficiency particulate air filters and ultra low penetration air filters (HEPA and ULPA) used in the field of ventilation and air conditioning and for technical processes, e.g. for clean room technology or applications in the nuclear and pharmaceutical industry. A procedure is established for the determination of the efficiency on the basis of a particle counting method using a liquid test aerosol, and allows a standardised classification of these filters in terms of their efficiency. It applies to testing sheet filter media used in high efficiency air filters. The procedure includes methods, test assemblies and conditions for carrying out the test, and the basis for calculating results.
Document History
Superseded by BS EN ISO 29463-3:2018. Supersedes BS EN 1822-3:1998.
ISBN
9780580617928
Publisher Information
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
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