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What is DOP Test for HEPA Filter Integrity about?

DOP tests are conducted every 24 months to check the integrity and efficiency of HEPA filters by releasing an aerosol upstream of the filters and measuring any leakage downstream. The test involves a visual inspection of the filters, preparing the aerosol generator equipment, releasing a dense cloud of aerosol into the air flow, taking a baseline sample, and then scanning the filters with a photometer to ensure less than 0.01% or 0.03% leakage and confirm all filter components are functioning properly accor

Author

Rashed Biswas

Language

EN