TH282B Bacterial Filtration Efficiency Tester

[Scope of Application] Used to detect various medical and daily protective mask materials, and to filter out the percentage of bacterial suspended particles (BFE) at a specified flow rate.

【 Related Standards 】

YY0469、ASTMF2100、 ASTMF2101、EN14683 等。

1. Safe working environment for negative pressure biological cabinets to ensure the safety of operators;

2. High negative pressure working chamber, two-stage high-efficiency filters, safe discharge;

3. Adopting two-way six level Anderson sampling;

4. Built in peristaltic pump, with adjustable flow rate;

5. Special microbial aerosol generator, the flow of bacterial liquid spray can be adjusted, and the atomization effect is good;

6. Industrial grade ultra large color touch screen control, easier to operate;

7. USB interface, supporting data transfer and storage;

8. RS232/Modbus standard interface, capable of external control;

9. The safety cabinet is equipped with LED lighting for easy observation;

10. Built in UV disinfection lamp;

11. Front switch sealed glass door, convenient for operation and observation;

12. Comes with SJBF-AS operating software, allowing for seamless control and data processing through a computer

Connect to the laboratory information management system.

1. Sampling flow rate: 28.3 L/min resolution 0.1 L/min accuracy ± 2%

2. Spray flow: 8-10 L/min Resolution 0.1 L/min Accuracy ± 5%

3. Peristaltic pump flow rate: 0.006-3 mL/min resolution 0.001 mL/min accuracy ± 2%

4. Sampling flowmeter front pressure: -20~0 kPa resolution 0.01 kPa accuracy ± 2%

5. Front pressure of spray flowmeter: 0 ～ 300 kPa, resolution 0.1kPa, accuracy ± 2%

6. Negative pressure in the aerosol chamber: -90 to -120 Pa resolution 0.1 Pa accuracy ± 1%

7. Working temperature: 0~50 ℃

8. Cabinet negative pressure: ≥ 120Pa

9. Data storage capacity: expandable capacity

10. High efficiency air filter performance ≥ 99.995% @ 0.3 μ m, ≥ 99.9995% @ 0.12 μ m

11. Dual channel 6-stage Anderson sampler captures particle size

Ⅰ级>7μm, Ⅱ 级4.7~7 μm， Ⅲ 级3.3~4.7 μm，

Ⅳ级2.1~3.3 μm ，Ⅴ 级1.1~2.1 μm ， Ⅵ 级0.6~1.1μm

12. Total number of particles in the positive quality control sampler: 2200 ± 500 cfu

13. Mass median diameter of aerosol generator: average particle diameter (3.0 ± 0.3 µ m), geometric standard deviation ≤ 1.5

14. Six stage Anderson sampler captures particle size:

Ⅰ级>7 µm; Ⅱ级 (4.7~7 µm); Ⅲ级 (3.3~4.7 µm); Ⅳ级 (2.1~3.3 µm); Ⅴ级 (1.1~2.1 µm); Ⅵ级 (0.6~1.1 µm)

15. Aerosol chamber specification: length 600 x diameter 85 x thickness 3mm

16. Negative pressure cabinet ventilation flow rate>5m3/min

17. Internal dimensions of the host: 1000 * 600 * 690mm, external dimensions: 1470 * 790 * 2100mm

18. Work noise<65db

19. Working power supply AC220 ± 10%, 50Hz, 1KW