CEN - EN ISO 29463-4
High-efficiency filters and filter media for removing particles in air - Part 4: Test method for determining leakage of filter elements-Scan method
|Publication Date:||1 October 2018|
|ICS Code (Ventilation and air-conditioning systems):||91.140.30|
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.