Automated Filter Tester Model 3160 determines the pressure drop and fractional efficiency at different particle sizes in order to obtain the most penetrating particle size (MPPS) of HEPA and ULPA filters and filter media. It is designed to comply with the test requirements of EN 1822 parts 3 and 5. Filter tests are performed automatically following user-specific test parameters and up to 99.999999% (eight 9s) fractional filter efficiencies.
HEPA and ULPA filters are used in hospitals, operating rooms, laboratories, clean rooms and other places that require low concentrations of particles, bacteria, etc. They are characterized by their retention at the most penetrating particle size (MPPS).