Vysoce účinné filtry a filtrační materiály pro odlučování částic ze vzduchu - Část 4: Zkušební metoda pro stanovení propustnosti filtračních prvků - skenovací metoda (Norma k přímému použití jako ČSN).

The information about the standard:

Designation standards: ČSN EN ISO 29463-4
Classification mark: 125002
Catalog number: 506579
Publication date standards: 1.4.2019
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN

Annotation of standard text ČSN EN ISO 29463-4 (125002):

This part of ISO 29463 specifies the test procedure of the "scan method", considered to be the reference method, for determining the leakage of filter elements. It is applicable to filters ranging from classes ISO 35 H to ISO 75 U. It also describes the other normative methods, the oil thread leak test (see Annex A) and the photometer leak test (see Annex B), applicable to classes ISO 35 H to ISO 45 H HEPA filters, and the leak test with solid PSL aerosol (see Annex E). It is intended for use in conjunction with ISO 29463-1, ISO 29463-2, ISO 29463-3 and ISO 29463-5