Applications:
Mask Bacterial Filtration Efficiency Tester is applied to test the filtration efficiency of mask, can be used in metering calibration department, scientific research institution, mask manufacturer and other related departments.
Product Information:
Mask Bacterial Filtration Efficiency Tester is applied to test the filtration efficiency of mask, can be used in metering calibration department, scientific research institution, mask manufacturer and other related departments.
Standards:
YY 0469-2004 Technical requirements for surgical mask
BS EN 14683-2014 Medical face masks - Requirements and test methods
ASTM F2100-2019 Standard Specification for Performance of Materials Used in Medical Face Masks
ASTM F2101 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus
Feature:
1.Bacterial Filtration Efficiency Tester Of Mask: Negative pressure testing system, which can protect operator’s safety.
2.Peristaltic pump was built in the negative pressure cabinet, A & B two routes 6 level Andersen sampling head.
3.The flow speed of peristaltic pump can be set.
4.The spray flow of bacterial liquid inside the special microbial aerosol generator can be set.
5.BFE tester good atomization effect.
6.Embedded high speed industrial microcomputer control.
7.10.4 "industrial high brightness color touch screen display.
8.USD connector, support USB data archived
9.Mask BFE Tester high brightness light installed in the cabinet.
10.Switching type glass door in front of the machine, easy to observe by the operator.
Specification:
| Conforms to EN 14683 and ASTM F2101 |
| A Route Sampling Flow: 28.3L/min, resolution 0.1, E±2.O% L/min |
| B Route Sampling Flow: 28.3L/min, resolution 0.1, E±2.O% L/min |
| Spray Flow: (O.le•• 10)L/min, resolution 0.1, E±5.O% L/min |
| Peristaltic Pump Flow: (0.001æ3.O)mL/min, resolution 0.001, E±2.O% |
| Negative Pressure Chamber: (-90æ-120)Pa, resolution 0.1, E±I.O% |
| Working Temperature: OOC to 500C |
| High Efficiency Particulate Air Filter Properties: |
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| Diameter of aerosol generator mass: Average diameter: |
| (3.0+0.3)fm; Geometric Standard Deviation<1.5pm |
| Double Routes 6-lever Andersen Sampling apparatus: |
| Level l: >7gm; Level Il: (4,7 to 7)gm; Level Ill: (3,3 to 4.7)gm; |
| Level IV: (2.1 to 3.3)gm; Level V: (1.1 to 2.1)gm; |
| Level VI: (0.6 to 1.1)gm |
| Total number of positive quality control sampler particles: (2200±500)cfu |
| Negative Chamber Flow Speed: 25m/min |
| Size of Aerosol Chamber: at least (600x80x3) mm |
| Power supply: 220 V AC, 60 1-Iz |
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