Suzhou Sujing Automation Equipment corporation limited
Suzhou Sujing Automation Instrument Equipment Co.,Ltd.
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SJ-X100 Medical Face Mask Filter Tester BFE Testing Machine
Face Masks bacterial filtration efficiency BFE tester is to determine the bacterial filtration efficiency (BFE) of medical face mask materials by employing a ratio of the upstream bacterial challenge to downstream residual concentration of the tested medical face mask materials.
Features of BFE filter tester
| Main parameter of BFE filter tester | 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 | ||
