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DIN EN ISO 16170:2017
In situ test methods for high efficiency filter systems in industrial facilities (ISO 16170:2016); German version EN ISO 16170:2016
This standard applies for HEPA and ULPA users that want to control in-situ the performances of these filters implemented in their applications, in particular in some technical fields for which the aerosol filters are used to limit releases towards the environment (e. g. nuclear facilities or facilities with aerosol toxic or biological releases). Excluded are application already covered by ISO 14644-3 (Cleanrooms and associated controlled environments - Part 3: Test methods). The standard specifies methods which must be applied to the periodic testing of HEPA and ULPA filters. Reference test methods are presented in Annexes B and C. Note: In the field of filters for general ventilation applications, ISO 29462, "Field Testing of General Ventilation Filtration Devices and Systems for In-Situ Removal Efficiency by Particle Size and Resistance to Airflow" is a detailed and comprehensive description of a method which uses scanning and particle counting methods to evaluate the performance of a filter in terms of particle grade efficiency as well as pressure drop.
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Deutsches Institut für Normung [din]
