FILTER MEDIA TEST SYSTEM – FMT 102
Used measuring the raw material’s filtration efficiency and initial pressure drop values at diffirent air velocities. • Different oils (Emery 3004, Paraffin etc.) and salt (NaCl) can be used as… Read more
PERFORMANCE TEST SYSTEM – PTS 5002
Used performance measurements for different model and different efficiency of filters. • The pre-tests of the new designs are carried out after than the design giving the best results replaces… Read more
HEPA / ULPA FILTER TEST SYSTEMS
CEN standards in Europe, IEST and MIL standards in the US are used for HEPA and ULPA filters. HEPA / ULPA filters are individually tested and certified in accordance with… Read more
Comparison of Filter Standards
ASHRAE Standard 52.2-1999 ASHRAE 52.1 EN EN779:2012 EN 1822 Minimum Eff Reporting Value Composite Average Particle Size Efficiency % in Size Range, μm Average Arrestance Average Dust Spot Efficiency Filter… Read more
EN ISO 14644-1
ISO 14644-1 defines the classification of air cleanliness in cleanrooms and associated controlled environments exclusively in terms of concentration of airborne particles. Only particle populations having cumulative distributions based on… Read more
EN 779:2002 CLASSIFICATION SYSTEM
The EN 779:2002 classification system (comprising groups F and G filters) has been changed to three groups (F-,M- and G-filters). Filters found to have an average efficiency value of less… Read more
