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download between 0-24 hoursReleased: 2019
ILNAS EN 1822-1
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
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| Number of Standard: | ILNAS EN 1822-1 |
| Category: | 125002 |
| Released: | 2019 |
DESCRIPTION
EN 1822-1 : 2019
EN 1822-1 applies to high efficiency particulate and ultra-low penetration air filters (EPA, HEPA and 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.