ASTM F2101 medical mask bacterial filtration efficiency tester
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Medical Masks bacterial filtration efficiency tester also called BFE test machine 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.
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. Professional negative pressure biological safety cabinet technology to ensure the safety of operators and the environment.
2. High negative pressure working cabin, two-stage high-efficiency filter, 100% safe discharge.
3. Adopt two-way six-level Anderson precise sampling.
4. Built-in peristaltic pump with adjustable flow rate.
5. Special microbial aerosol generator, the flow rate of bacterial liquid spray is adjustable, and the atomization effect is good.
6. Industrial-grade large color touch screen control, the operation is simpler.
7. The control system adopts PLC + LabView control, high-intensity color touch screen 10 inches, USB interface, supports U disk data transfer;.
8. The safety cabinet has built-in LED lighting for easy observation.
9. Built-in ultraviolet disinfection lamp to enhance the protection effect.
10. The front switch type sealed glass door is convenient for operation and observation.
11. With operating software, it can be controlled and processed by computer.
12. Seamlessly connect the laboratory information management system.
Parameters
|
Sampling flow rate of Path A |
28.3L/min |
|
Sampling flow rate of Path B |
28.3L/min |
|
Nebulization flow rate |
(8~10)L/min |
|
Peristaltic pump flow rate |
0.006~3mL/min |
|
Negative pressure of aerosol chamber |
-90~-120Pa |
|
Negative pressure of cabinet body |
(-50~-200)Pa |
|
Andersen |
I>7μm,II.4.7-7μm,III.3.3-4.7μm,IV.2.1-3.3μm,V.1.1-2.1μm VI.0.6-1.1μm |
|
Size ofglassaerosol chamber |
L600×diameter85Xthick3)mm |
|
OuterDimension |
1180*650*1300cm(L*W*H)mm |
|
Power supply |
220V50Hz |
Accessoriess
The accessories for a medical mask bacterial filtration efficiency tester mainly include the following categories, with a brief description of their functions:
Aerosol Generation System Accessories: Includes a peristaltic pump, aerosol generator, compressed air, and purification device, used to generate stable bacterial aerosols.
Aerosol Chamber and Transmission Device Accessories: Composed of an aerosol chamber, high-efficiency air filter, and negative pressure exhaust fan, used to contain aerosols and transmit them to the sampler.
Sampling System Accessories: Employs a dual-path, six-stage Anderson sampler, with a sampling flow rate of 28.3 L/min per path, used to capture particles of different sizes.
Negative Pressure Cabinet Accessories: Contains a peristaltic pump, lighting, and leakage protection switch, ensuring operational safety and maintaining a stable negative pressure environment.
Control and Display Accessories: Equipped with an embedded high-speed industrial microcomputer and a 10.4-inch color touchscreen display, enabling automated control and real-time data monitoring.
Auxiliary accessories include a USB interface (supporting data transfer), dual-purpose casters for easy movement of the equipment, and a front-mounted switchable glass door (for easy observation and operation).
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