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Product Details
Face Masks Viral Filtration Efficiency Tester
-is to determine the bacterial filtration efficiency (BFE) of medical face mask materials by employing a ratio of the upstream bacterial challenge to downstream residual concentration of the tested medical face mask materials. The tester provides certain flow rate of bacterial aerosol. The operator can measure the number of colony forming units passing through the medical face mask material, which is clamped between a six-stage Anderson cascade impactor and an aerosol chamber, expressed as a percentage of the number of colony forming units present in the challenge aerosol.
Standards
EN 14683 Medical face masks-Requirements and test methods.
ASTM F2101 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus.
ASTM F2100 Standard Specification for Performance of Materials Used in Medical Face Masks
YY 0469 Technical requirements for surgical mask.
Features
Test types: Penetration efficiency, penetration resistance and flow rate, etc.;
Alarm system: Users can set alarm time points according to their needs, so as to facilitate operation and management;
Data output: RS-232 communication port.
Technical Parameter
Physical features:
Dimension: 22 inches width*45 inches height*30 inches length;
Weight: 185 pounds; 64kg;
Power supply: 115VAC,60Hz,2.5A;230VAC,50Hz,1.25A;
Compressed air supply: 10scfm @ 80psig(283slpm @ 5.6kg/cm2;
Recommended minimum internal diameter of compressed air:9.5mm;
Exhaust system: emission load is near 180Ipm.
Aerosol generator:
Generating system: Pneumatic spray ;
Aerosol types: DOP, DEHP, PAO-4;
Diameter: 0.18um; complying with NIOSH 42 CFR Part 84;
Geometrical deviation: less than 1.6; complying with NIOSH 42 CFR Part 84;
Concentration range: 20-200mg/m3;
Liquid consumption:8.8ml DOP/ DEHP.
Features
Test types: Penetration efficiency, penetration resistance and flow rate, etc.;
Alarm system: Users can set alarm time points according to their needs, so as to facilitate operation and management;
Data output: RS-232 communication port.
Technical Parameter
Physical features:
Dimension: 22 inches width*45 inches height*30 inches length;
Weight: 185 pounds; 64kg;
Power supply: 115VAC,60Hz,2.5A;230VAC,50Hz,1.25A;
Compressed air supply: 10scfm @ 80psig(283slpm @ 5.6kg/cm2;
Recommended minimum internal diameter of compressed air:9.5mm;
Exhaust system: emission load is near 180Ipm.
Aerosol generator:
Generating system: Pneumatic spray ;
Aerosol types: DOP, DEHP, PAO-4;
Diameter: 0.18um; complying with NIOSH 42 CFR Part 84;
Geometrical deviation: less than 1.6; complying with NIOSH 42 CFR Part 84;
Concentration range: 20-200mg/m3;
Liquid consumption:8.8ml DOP/ DEHP.
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