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Normas DIN – AENOR
DIN EN 1822-2:2011-01

DIN EN 1822-2:2011-01

High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics; German version EN 1822-2:2009

Filtres à air à haute efficacité (EPA, HEPA et ULPA) - Partie 2: Production d'aérosol équipement de mesure et statistiques de comptage de particules; Version allemande EN 1822-2:2009

Schwebstofffilter (EPA, HEPA und ULPA) - Teil 2: Aerosolerzeugung, Messgeräte, Partikelzählstatistik; Deutsche Fassung EN 1822-2:2009

Fecha Anulación:
2019-05 /Withdrawn
Equivalencias internacionales:

EN 1822-2 (2009-11)

Relación con otras normas DIN:

Reemplaza a: DIN EN 1822-2:1998-07

Reemplazada por: DIN EN ISO 29463-2:2019-05

Reemplaza a: DIN EN 1822-2:2008-04

Resumen:
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.
Keywords:
Aerosol generators, Aerosols, Air filters, Air-conditioning systems, Clean rooms, Clean-room technology, Concentration of particles, Counting, Filters, Generation, High capacity, High-efficiency submicron particulate airfilters, Measurement, Measuring instruments, Measuring techniques, Mechanical engineering, Methods, Particle filters, Particle number, Particles, Particulate matter measurement, Pharmacy, Process ventilation, Production, Separation efficiency, Separators, Specification (approval), Test aerosols, Testing, Testing conditions
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