RO
SR EN 1822-2:2010
High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics
This European Standard applies to efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) used in the field of ventilation and air conditioning and for technical processes, e.g. for applications in clean room technology or pharmaceutical industry. It establishes a procedure for the determination of the efficiency on the basis of a particle counting method using a liquid (or alternatively a solid) test aerosol, and allows a standardized classification of these filters in terms of their efficiency, both local and integral efficiency. This European Standard describes the measuring instruments and aerosol generators used in the course of this testing. With regard to particle counting it specifies the statistical basis for the evaluation of counts with only small numbers of counted events.
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Status :
Withdrawn
Approval date : 6/30/2010
Publish date : 7/2/2010
Withdrawal date : 3/29/2019
Number of pages : 28
ICS : 13.040.40 Stationary source emissions
Technical Committee : 302 - Space heating appliances, ventilation and room air conditioner
- Replaces SR EN 1822-2:2003
- Normative reference SR EN 1822-1:2010
- Normative reference SR EN 14799:2007
- Replaced by SR EN ISO 29463-2:2019