Suzhou Sujing Automation Equipment corporation limited
Suzhou Sujing Automation Instrument Equipment Co.,Ltd.
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Filter Test Bench Mask Bacterial Filtration Efficiency Tester
Medical Face Masks Bacterial Filtration Efficiency (BFE) Tester 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. On the basis of complying related standards, its innovative dual air paths for simultaneous contrast sampling enhance the accuracy of sampling.
| Main parameter | Range | Resolution | Accuracy |
| Anode quality control sampling flow | 28.3 L/min | 0.1 L/min | ±2% |
| Sampling flow | 28.3 L/min | 0.1 L/min | ±2% |
| Spray flow | 0.1 ~ 10 L/min | 0.1 L/min | ±5% |
| Peristaltic pump flow | 0.01~3 mL/min | 0.01 mL/min | ±2% |
| Operating temperature | 0~50 ℃ | ||
| Biosafety zone negative pressure | -90 ~ -120 Pa | ||
| Data storage capacity | 20G | ||
| Data output and interface | USB(3) | ||
| HEPA performance | ≥99.995%@0.3μm,≥99.9995%@0.12μm | ||
| Total number of positive quality control sampler particles | 2200±500 cfu | ||
| Aerosol generator mass median diameter | Average particle diameter (3.0±0.3 µm),geometric standard deviation≤1.5 | ||
| Six-stage Anderson sampler capture particle size | classⅠ>7 µm; classⅡ(4.7~7 µm); class Ⅲ(3.3~4.7 µm); class Ⅳ (2.1~3.3 µm); classⅤ(1.1~2.1 µm); class Ⅵ(0.6~1.1 µm) | ||
| Aerosol chamber specifications | 600 x 80x 3.0mm (Length diameter thickness) | ||
| Ventilation flow of negative pressure cabinet | >5m3/min | ||
| Host size | Working area: 870*600*1100mm Dimensions:1250*700*2000mm | ||
| Working noise | < 65db | ||
| Working power | AC220±10%,50Hz,1KW | ||
