The medical mask filter tester can quickly and accurately measure the filtration efficiency of filter protective equipment and materials. It can use saline aerosol or oily aerosol as the test carrier, which meets the requirements of the NIOSH standard of the US Occupational Safety and Health Administration.
Trial scope:
It is mainly used for performance testing of filter elements, disposable masks, filter media, etc. of respiratory protection products. It is suitable for safety testing of such products, basic filtration performance evaluation and development guidance of new products.
Basic parameters:
Aerosol type: PAO, DOP, DEHS, paraffin
Microsoft YaHeiHei Songti Diameter: 0.18μm Meets 42 CFR Part 84
Geometric standard deviation: ﹤1.6 Meets 42 CFR Part 84
Aerosol concentration: 20~200mg/m3
Aerosol Type: Sodium Chloride
Mass median diameter: 0.26 μm
Number median diameter: 0.075 μm
Geometric standard deviation: ﹤1.83
Aerosol concentration: 12~20mg/m3
Aerosol detection method: Near forward light scattering
Measuring range: 0.0001~200mg/m3
Accuracy ±1%
Sample flow range: 10-100L/min
Electronic pressure sensor, ±0.5%FS
NIST traceable mass flow meter, 0.5% repeatability
Filtration efficiency measurement range: 0~99.9995%
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