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Mask Bacterial Filtration Efficiency (BFE) 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 control console adopts microcomputer control system to coordinate and control the work of aerosol generation system, transmission system, negative pressure cabinet and sampling system, and display the working status in real time. The whole measurement work is completed automatically.zfpTextile Testing Instruments, Testing Equipment Manufacturer
zfpTextile Testing Instruments, Testing Equipment Manufacturer
What is BFE in face mask?>zfpTextile Testing Instruments, Testing Equipment Manufacturer
The N95 surgical face mask has been recommended by USA experts as the best protection from SARS. The mask has a 99% BFE (Bacterial Filtration Efficiency). ... These face masks minimize patient contamination to exhaled microorganisms. Offers a 99% Bacterial Filtration Efficiency (BFE).zfpTextile Testing Instruments, Testing Equipment Manufacturer
zfpTextile Testing Instruments, Testing Equipment Manufacturer
Mask Bacterial Filtration Efficiency Tester Standards:>zfpTextile Testing Instruments, Testing Equipment Manufacturer
zfpTextile Testing Instruments, Testing Equipment Manufacturer
YY 0469-2004 Technical requirements for surgical maskzfpTextile Testing Instruments, Testing Equipment Manufacturer
BS EN 14683-2014 Medical face masks - Requirements and test methodszfpTextile Testing Instruments, Testing Equipment Manufacturer
ASTM F2100-2019 Standard Specification for Performance of Materials Used in Medical Face Masks zfpTextile Testing Instruments, Testing Equipment Manufacturer
ASTM F2101 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureuszfpTextile Testing Instruments, Testing Equipment Manufacturer
zfpTextile Testing Instruments, Testing Equipment Manufacturer
Masks Bacterial Filtration Efficiency (BFE) Tester Parameter:>zfpTextile Testing Instruments, Testing Equipment Manufacturer
Cabinet negative pressure |
Data can be downloaded via usb flash drive |
Data storage capacity |
Data can be downloaded via usb flash drive |
mass flow controller |
0-20L/min,resolution:0.1 L/min |
Peristaltic pump flow |
(0.01~3.0)mL/min |
High efficiency air filter characteristics |
The filtration efficiency of particles above 0.3um isge;99.99% |
Median mass diameter of aerosol generator |
The average particle diameter was(3.0plusmn;0.3)mu;m,Geometric standard deviationle;1.5 |
Two-channel 6-stage Anderson sampler captures particle size |
Ⅰclass7mu;m,class(4.7~7)mu;m,Ⅲ class(3.3~4.7)mu;m,class(2.1~3.3)mu;m,class(1.1~2.1)mu;m,class(0.6~1.1)mu;m |
Fog chamber specifications |
(600times;80times;5)mm |
Total number of positive quality control sampler particles |
(2200plusmn;500)cfu |
Ventilation flow of negative pressure system |
800msup3;/min |
Operation room dimension |
(740times;940times;440)mm |
dimension |
About 1200times;650times;2100mm |
Instrument noise |
65Db(A) |
weight |
120kg |
power consumption |
1500W |
zfpTextile Testing Instruments, Testing Equipment Manufacturer
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