Standard

NS-EN ISO 21083-1:2018

Published

Corrigendums and amendments are bought separately.

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Abstract

This document specifies the testing instruments and procedure for determining the fractional filtration efficiencies of flat sheet filter medium against airborne nanoparticles in the range of 20 nm to 500 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.

Document information

  • Standard from SN
  • Published:
  • Edition: 2018-12
  • Version: 1
  • Document type: NAT
  • ICS 91.140.30
  • National Committee SN/K 100

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