ISO 29463-3:2011
High-efficiency filters and filter media for removing particles in air — Part 3: Testing flat sheet filter media
ISO 29463-3:2011 specifies the test procedure for testing the efficiency of flat sheet filter media. It is intended for use in conjunction with ISO 29463-1, ISO 29463-2, ISO 29463-4 and ISO 29463-5.
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1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Principle
6 Sampling of sheet filter media
7 Test apparatus
7.1 Test arrangements for testing with mono-disperse test aerosol
7.2 Test arrangements for testing with a poly-disperse test aerosol
7.3 Test filter mounting assembly
7.3.1 Measurement of differential pressure
7.3.2 Sampling
7.4 Determination of the filter medium face velocity
8 Requirements for the test air
9 Testing procedure
9.1 Preparatory checks
9.2 Procedure
9.2.1 Measurement of the pressure drop
9.2.2 Testing with a mono-disperse test aerosol
9.2.3 Testing with a poly-disperse test aerosol
9.3 Reference test method
10 Evaluation
11 Test report
12 Maintenance and inspection of the test apparatus
13 Production test for media
13.1 Measurement of differential pressure
13.2 HEPA filter media penetration test
14 Physical property test of filter media
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1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Principle
6 Sampling of sheet filter media
7 Test apparatus
7.1 Test arrangements for testing with mono-disperse test aerosol
7.2 Test arrangements for testing with a poly-disperse test aerosol
7.3 Test filter mounting assembly
7.3.1 Measurement of differential pressure
7.3.2 Sampling
7.4 Determination of the filter medium face velocity
8 Requirements for the test air
9 Testing procedure
9.1 Preparatory checks
9.2 Procedure
9.2.1 Measurement of the pressure drop
9.2.2 Testing with a mono-disperse test aerosol
9.2.3 Testing with a poly-disperse test aerosol
9.3 Reference test method
10 Evaluation
11 Test report
12 Maintenance and inspection of the test apparatus
13 Production test for media
13.1 Measurement of differential pressure
13.2 HEPA filter media penetration test
14 Physical property test of filter media