CSI-506B Mask BFE Bacterial Filtration Efficiency Tester Quote

The main performance indicators of the BFE Bacterial Filtration Efficiency Tester for Masks not only meet the requirements of the B.1.1.1 test instrument of Appendix B Bacterial Filtration Efficiency (BFE) Test Method in "Technical Requirements for Medical Surgical Masks" YY0469-2011, but also meet the requirements of American test materials It meets the requirements of ASTMF2100, ASTMF2101, and European EN14683 standards, and makes innovative improvements on this basis. It adopts dual gas paths to compare the sampling method at the same time, which improves the accuracy of sampling. It is suitable for metrological verification departments, scientific research institutes, masks Performance testing of the bacterial filtration efficiency of masks by manufacturers and other relevant departments.

2. Implementation standard: Q/0212 ZRB003-2011 Medical Surgical Mask Bacterial Filtration Efficiency (BFE) Detector

3. Technical characteristics

The negative pressure experimental system ensures the safety of operators, and the flow rate of the peristaltic pump can be set; the built-in lighting of the cabinet has a built-in leakage protection switch, the inner layer of the cabinet is integrally processed and formed, and the outer layer is sprayed with cold-rolled plate

Front switch type glass door, detachable bracket, the bracket height is adjustable; mobile dual-purpose casters.

Fourth, the main parameters

1. Sampling flow of channel A: 28.3L/min

2. Sampling flow of channel B: 28.3L/min 3. Spray flow: (8～10)L/min

4. Peristaltic pump flow: (0.006～3.0)ml/min

5. Front pressure of the flowmeter of road A: (-20～0)KPa

6. Front pressure of the flowmeter of road B: (-20～0)KPa 7. Front pressure of the spray flowmeter: (0～300)KPa 8 Ambient temperature: room temperature

9. Negative pressure of aerosol chamber: (-90～-120)Pa

10. Cabinet negative pressure: -50～-150Pa

11. Vortex mixer test tube specification and quantity: Φ16×150mm test tube, eight


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