Hepa filter testing dop penetration
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HEPA Filter Testing
Description: The smaller the particle, the lower the efficiency until the maximum penetrating particle size is reached. The laboratory system that was designed to simulate the process off-gas contained two HEPA filters in series with sample ports before each filter and after the filter bank. The penetration or efficiency of a filter is strongly affected by the particle size of the challenge aerosol. Remote sampling system for HEPA cfm in-place filters with a fluid channel seal system. This design determined the main effects of each factor plus the interactions of the factors in combination.