Norm

NEN-EN-ISO 29462:2011 Ontw. en

Methode voor de bepaling in de praktijk van de verwijderingsefficiëntie van ventilatieluchtfiltersystemen op basis van grootte en luchtweerstand van stofdeeltjes

  • Deze norm is ingetrokken sinds 09-04-2013

38,91

Over deze norm

Status Ingetrokken
Aantal pagina's 38
Gepubliceerd op 01-03-2011
Taal Engels
This international standard describes a procedure of measuring the performance of general ventilation air cleaning devices in their end use installed configuration. The performance measurements include removal efficiency by particle size and the resistance to airflow. The procedures for test include the definition and reporting of the system airflow. The procedure describes a method of counting ambient air particles of 0,3 μm to 5,0 μm upstream and downstream of the in-place air cleaner(s) in a functioning air handling system. The procedure describes the reduction of particle counter data to calculate removal efficiency by particle size. Since filter installations vary dramatically in design and shape, a protocol for evaluating the suitability of a site for filter evaluation and for system evaluation is included. When the evaluated site conditions meet the minimum criteria established for system evaluation, the performance evaluation of the system can also be performed according to this procedure. This international standard for testing also describes performance specifications for the testing equipment and defines procedures for calculating and reporting the results. This standard is not intended for measuring performance of portable or movable room air cleaners or for evaluation of filter installations with and expected filtration efficiency at or above 99% or at or below 30% when measured at 0,4 micron.

Details

ICS-code 91.140.30
Nederlandse titel Methode voor de bepaling in de praktijk van de verwijderingsefficiëntie van ventilatieluchtfiltersystemen op basis van grootte en luchtweerstand van stofdeeltjes
Engelse titel Field testing of general ventilation filtration devices and systems for in situ removal efficiency by particle size and resistance to airflow
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