Respirator Bacterial Filtration Efficiency (BFE) Tester (required item for Medical face mask)
Application:
Applied to performance test of the bacterial filtration efficiency of surgical masks by the metrological verification department, scientific research institutes, mask manufacturers and other relevant departments.
Standards:
YY0469-2011 < Medical grade surgical face mask> Fig. B.1 and Fig. B.2 in Appendix B
Features:
1. Negative pressure test system to ensure the safety of operators;
2. Built - in peristaltic pump in the negative pressure cabinet, A, B, four Andersen;
3. The peristaltic pump flow can be set;
4. The flow rate of night spray of special microorganism aerosol generator can be set;
5. Good atomize effect;
6. Embedded high-speed industrial microcomputer control;
7. 10.4 inch industrial high brightness color touch screen;
8. USB interface, support U disk data storage;
9. Cabinet built-in high brightness lights;
10. Front opening and closing glass door, convenient for experimenters to observe and operate;
11. In stock
Specifications:
| Main Specifications |
Parameter range |
Resolution |
Accuracy |
| A Sampling Flow |
28.3L/min |
0.1L/min |
±2.5% |
| B Sampling Flow |
28.3L/min |
0.1L/min |
±2.5% |
| Spray Flow |
(8～10)L/min |
0.1L/min |
±2.5% |
| Peristatic Pump Flow |
(0.006～3.0)ml/min |
0.001ml/min |
±2.5% |
| A Road Flow Meter |
(-20～0)KPa |
0.01KPa |
±2.5% |
| B Road Flow Meter |
(-20～0)KPa |
0.01KPa |
±2.5% |
| Pressure Before Spray Flowmeter |
(0～300)KPa |
0.1KPa |
±2.5% |
| Environmental Temperature |
(-40～99)℃ |
0.1℃ |
±2.5% |
| Negative Pressure In Aerosol Chamber |
(-90～-120)Pa |
0.1Pa |
±2.0% |
| Negative Pressure Of Cabinet |
-50～-200Pa |
| Data Storage Capacity |
>100000 Groups |
| Vortex Mixer Test Tube Specification and Quantity |
Φ16×150 mm test tubes, Eight |
| Characteristics of High Efficiency Air Filter |
The filtration efficiency of particles above 0.3 um ≥99.99% |
| Median Mass Diameter Of Aerosol Generator |
3.0± 0.3μm,Geometric standard deviation ≤1.5 |
| Double Route 4 Andersen |
Level I >7μm,Ⅱ4.7-7μm,
Level Ⅲ 3.3-4.7μm,Level Ⅳ 2.1-3.3μm,
Level Ⅴ 1.1-2.1μm,Level Ⅵ 0.6-1.1μm
|
| Aerosol Chamber Size(L*D*T) |
600*85*30mm |
| Total Particles of Positive Quality Control Sampler |
2200±500cfu |
| Ventilation flow of negative pressure cabinet |
≥5m3/min |
| Negative Cabinet Door Size(W*D) |
1000×730mm |
| Mainframe Size(W*D*H) |
1180×650×1300mm |
| Support Dimensions(W*D*H) |
1180×650×600mm,Adjustable height within 10 cm |
| Instrument Noise |
<65dB(A) |
| Weight |
About 150kg |
| Power Supply |
AC220V±10%,50Hz |
| Power Dissipation |
<1500W |
Product Tags:
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EN14683 Respirator BFE Tester For Medical Mask Test Meet Images
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