Historical
DIN EN 1822-2:1998
High efficiency air filters (HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics (Foreign Standard)
The document service for testing high particulate and ultra low penetration air filters (HEPA and ULPA) uses in the field of ventilation and air conditioning and for technical processes. It 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.
CONTENT PROVIDER
Deutsches Institut für Normung [din]
Deutsches Institut für Normung [din]