STFI Prüfung

filter test

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standard title
DIN ISO 11057:2012-05 Air quality - Test method for filtration characterisation of cleanable filter media
DIN 71460-1:2006-04 Road vehicles - Air filters for motor passenger compartments - Part 1: Test for particulate filtration
STFI-PV PFi 1 Determination of the pressure difference at a filter face velocity up to 1 m/s
STFI-PV PFi 2 Discharge with isopropanol
STFI-PV PFi 3 Determination of the fractional efficiency with dust
STFI-PV PFi 4 Determination of the fractional efficiency with liquid aerosols
STFI-PV PFi 5 Determination of the dust holding capacity
STFI-PV PFi 6 Filter - Determination of pore size