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NEN EN 1822-2 : 2009

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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HIGH EFFICIENCY AIR FILTERS (EPA, HEPA AND ULPA) - PART 2: AEROSOL PRODUCTION, MEASURING EQUIPMENT, PARTICLE COUNTING STATISTICS

Withdrawn date

01-10-2018

Published date

12-01-2013

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Foreword
1 Scope
2 Normative references
3 Definitions
4 Aerosol production
4.1 Aerosol substances
4.2 Producing monodisperse aerosols
4.3 Generating polydisperse aerosols
4.4 The 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 nucleus 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 Differential pressure measuring equipment
5.7 Absolute pressure measuring equipment
5.8 Thermometers
5.9 Hygrometer
6 Maintenance and inspection intervals
7 Particle counting statistics
Annex A (informative) Bibliography

Defines a procedure for the determination of the efficiency on the basis of a particle counting method using a liquid (or alternatively a solid) test aerosol, and allows a standardized classification of these filters in terms of their efficiency, both local and integral efficiency. Applies to efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) used in the field of ventilation and air conditioning and for technical processes, e.g. for applications in clean room technology or pharmaceutical industry.

DocumentType
Standard
PublisherName
Netherlands Standards
Status
Withdrawn
SupersededBy

Standards Relationship
EN 1822-2:2009 Identical
SN EN 1822-2 : 2010 Identical
ONORM EN 1822-2 : 2010 Identical
NBN EN 1822-2 : 2010 Identical
UNI EN 1822-2 : 2010 Identical
NF EN 1822-2 : 2010 Identical
DIN EN 1822-2:2011-01 Identical
BS EN 1822-2:2009 Identical
NS EN 1822-2 : 2009 Identical
I.S. EN 1822-2:2009 Identical
UNE-EN 1822-2:2010 Identical
EN 1822-2 : 2019 Identical

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