Medical Masks bacterial filtration efficiency tester

Application

This machine is suitable for metrological verification departments, scientific research institutes, mask manufacturers and other relevant departments to measure the bacterial filtration efficiency (BFE) of 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

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