NBN EN 1822-3 : 2010
Current
The latest, up-to-date edition.
HIGH EFFICIENCY AIR FILTERS (EPA, HEPA AND ULPA) - PART 3: TESTING FLAT SHEET FILTER MEDIA
01-12-2013
Foreword
1 Scope
2 Normative references
3 Definitions and quantities
4 Description of the test method
5 Sampling of sheet filter media
6 Test apparatus
6.1 Test arrangements for testing with monodisperse
test aerosol
6.2 Test arrangements for testing with a polydisperse
test aerosol
6.3 Test filter mounting assembly
6.4 Determination of the filter medium face velocity
7 Requirements for the test air
8 Testing procedure
8.1 Preparatory checks
8.2 Procedure
8.3 Reference test method
9 Evaluation
10 Test report
11 Maintenance and inspection of the test apparatus
Annex A (informative) Example of an application with
evaluation
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