ISO 29463-5:2011
High-efficiency filters and filter media for removing particles in air — Part 5: Test method for filter elements
ISO 29463-5:2011 specifies the reference test procedure for determining the efficiency of filters at their most penetrating particle size (MPPS). ISO 29463-5:2011 also gives guidelines for the testing and classification for filters with an MPPS of less than 0,1 μm and filters using media with (charged) synthetic fibres. ISO 29463-5:2011 is intended for use in conjunction with ISO 29463-1, ISO 29463-2, ISO 29463-3 and ISO 29463-4.
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1 Scope
2 Normative references
3 Terms and definitions
4 Description of the method
4.1 Alternate efficiency test method for groups H and U filters
4.2 Statistical efficiency test method for low efficiency filters — Group E filters
5 Test filter
6 Test apparatus
6.1 Test duct
6.1.1 Test air conditioning
6.1.2 Adjustment of the volume flow rate
6.1.3 Measurement of the volume flow rate
6.1.4 Aerosol mixing section
6.1.5 Test filter mounting assembly
6.1.6 Measuring points for the pressure drop
6.1.7 Sampling
6.2 Aerosol generation and measuring instruments
6.2.1 Apparatus for testing with a mono-disperse test aerosol
6.2.2 Apparatus for testing with a poly-disperse test aerosol
7 Conditions of the test air
8 Test procedure
8.1 Preparatory checks
8.2 Starting up the aerosol generator
8.3 Preparation of the test filter
8.3.1 Installation of the test filter
8.3.2 Flushing the test filter
8.4 Testing
8.4.1 Measuring the pressure drop
8.4.2 Testing with a mono-disperse test aerosol
8.4.3 Testing with a poly-disperse test aerosol
9 Evaluation
10 Test report
11 Maintenance and inspection of the test apparatus
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1 Scope
2 Normative references
3 Terms and definitions
4 Description of the method
4.1 Alternate efficiency test method for groups H and U filters
4.2 Statistical efficiency test method for low efficiency filters — Group E filters
5 Test filter
6 Test apparatus
6.1 Test duct
6.1.1 Test air conditioning
6.1.2 Adjustment of the volume flow rate
6.1.3 Measurement of the volume flow rate
6.1.4 Aerosol mixing section
6.1.5 Test filter mounting assembly
6.1.6 Measuring points for the pressure drop
6.1.7 Sampling
6.2 Aerosol generation and measuring instruments
6.2.1 Apparatus for testing with a mono-disperse test aerosol
6.2.2 Apparatus for testing with a poly-disperse test aerosol
7 Conditions of the test air
8 Test procedure
8.1 Preparatory checks
8.2 Starting up the aerosol generator
8.3 Preparation of the test filter
8.3.1 Installation of the test filter
8.3.2 Flushing the test filter
8.4 Testing
8.4.1 Measuring the pressure drop
8.4.2 Testing with a mono-disperse test aerosol
8.4.3 Testing with a poly-disperse test aerosol
9 Evaluation
10 Test report
11 Maintenance and inspection of the test apparatus