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  • BSI
    20/30404437 DC BS EN ISO 16890-4. Air filters for general ventilation - Part 4. Conditioning method to determine the minimum fractional test efficiency
    Edition: 2020
    $44.66
    / user per year

Description of 20/30404437 DC 2020

This part of ISO 16890 establishes a conditioning method to determine the minimum fractional test efficiency.

It is intended for use in conjunction with ISO 16890-1, ISO 16890-2 and ISO 16890-3, and provides the related test requirements for the test device and conditioning cabinet as well as the conditioning procedure to follow.

The conditioning method described in this part of ISO 16890 is referring to a test device with a nominal face area of 610 mm × 610 mm (24 inch × 24 inch).

ISO 16890 (all parts) refers to particulate air filter elements for general ventilation having an ePM1 efficiency less than or equal to 99 % and an ePM10 efficiency greater than 20 % when tested according to the procedures defined within ISO 16890 (all parts).

NOTE

The lower limit for this test procedure is set at a minimum ePM10 efficiency of 20 % since it will be very difficult for a test filter element below this level to meet the statistical validity requirements of this procedure.

Air filter elements outside of this aerosol fraction are evaluated by other applicable test methods. See ISO 29463 (all parts).

Filter elements used in portable room-air cleaners are excluded from the scope of this part of ISO 16890.

The performance results obtained in accordance with ISO 16890 (all parts) cannot by themselves be quantitatively applied to predict performance in service with regard to efficiency and lifetime.

The results from this part of ISO 16890 may also be used by other standards that define or classify the fractional efficiency in the size range of 0,3 μm to 10 μm when electrostatic removal mechanism is an important factor to consider, for example ISO 29461.



Standard Number20/30404437 DC
TitleBS EN ISO 16890-4. Air filters for general ventilation - Part 4. Conditioning method to determine the minimum fractional test efficiency
StatusDefinitive
Publication Date2020-04-21
Identical National Standard OfISO/DIS 16890-4
DescriptorsFilters, Grades (quality), Sampling methods, Performance, Air cleaning equipment, Flow measurement, Dust control, Performance testing, Comparative tests, Dust collectors, Particulate materials, Aerosols, Ventilation equipment, Classification systems, Ventilation, Dust, Filtration, Efficiency, Air filters, Testing, Temperature, Humidity, Relative-humidity rooms
ICS23.120 Ventilators. Fans. Air-conditioners, 91.140.30 Ventilation and air-conditioning systems
CommitteeMCE/21
PublisherBSI
Pages19

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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