High-efficiency filters and filter media for removing particles in air. Part 2: Aerosol production, measuring equipment and particle-counting statistics (ISO 29463-2:2011)
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ISO 29463-2:2011 specifies the aerosol production and measuring equipment used for testing high-efficiency filters and filter media in accordance with ISO 29463-3, ISO 29463-4 and ISO 29463-5, as well as the statistical basis for particle counting with a small number of counted events. It is intended to be used in conjunction with ISO 29463-1, ISO 29463-3, ISO 29463-4 and ISO 29463-5.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Aerosol production
4.1 Aerosol substances
4.2 Producing mono-disperse aerosols
4.3 Generating poly-disperse aerosols
4.4 Neutralization of aerosols
4.5 Minimum performance parameters for aerosol generators
4.6 Sources of error
4.7 Maintenance and inspection
5 Measuring devices
5.1 Optical particle counters
5.2 Condensation particle counter
5.3 Differential mobility analyser
5.4 Particle size analysis system on the basis of differential mobility analysis
5.5 Dilution systems
5.6 Aerosol photometer
5.7 Differential pressure measuring equipment
5.8 Absolute pressure measuring equipment
5.9 Thermometers
5.10 Hygrometer
6 Maintenance and inspection intervals
7 Particle counting statistics
Annex A Mean size of particle size distributions (informative)
ISO 29463-1:2017 High efficiency filters and filter media for removing particles from air -- Part 1: Classification, performance, testing and marking
ISO 29463-3:2011 High-efficiency filters and filter media for removing particles in air -- Part 3: Testing flat sheet filter media
ISO 29463-4:2011 High-efficiency filters and filter media for removing particles in air -- Part 4: Test method for determining leakage of filter elements-Scan method
ISO 29463-1:2017 High efficiency filters and filter media for removing particles from air -- Part 1: Classification, performance, testing and marking
ISO 29463-3:2011 High-efficiency filters and filter media for removing particles in air -- Part 3: Testing flat sheet filter media
ISO 29463-4:2011 High-efficiency filters and filter media for removing particles in air -- Part 4: Test method for determining leakage of filter elements-Scan method
ISO 29463-5:2011 High-efficiency filters and filter media for removing particles in air -- Part 5: Test method for filter elements
ISO 29464:2017 Cleaning of air and other gases -- Terminology