| Customization: | Available |
|---|---|
| Delivery Time: | 5-10 Days |
| Application: | Bacterial Filtration Efficiency Test |
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Standards: YY0469-2011,YY/T 0969-2013,ASTM F2101,ASTM F2100,EN 14683
This tester is used to test the bacterial filtration efficiency of protective clothing.
The Bacterial Filtration Efficiency (BFE) tester consists of an aerosol generation system, aerosol chamber and aerosol transmission device, negative pressure operating system, 28.3L/min sampler, etc. The aerosol generating system includes: peristaltic pump, aerosol generator, compressed air and purification device. The aerosol chamber and the aerosol transmission device include: aerosol chamber, high efficiency air filter, suction negative pressure fan, etc.
PLC control, real-time display of working status, whole procedure is completed automatically.
Features
Mass flow controllers are used for flow control, with stable control and high precision
Negative pressure operating system to ensure the safety of operators
Negative pressure operating system, built-in peristaltic pump, two-way six-stage Anderson sampler I and II
The flow rate of the peristaltic pump can be set
Special bacterial liquid atomizer, the atomization flow size can be set, and the atomization effect is good
PLC and touch screen control system, stable and reliable
10-inch industrial-grade high-brightness color touch screen; USB interface, support U disk data transfer
Software parameters calibration
No. 1 and No. 2 sampling systems use oil-free rotary vane pumps, with stable air extraction, equipped with a silencer, and the maximum flow rate can reach 57LPM;
Automatic fault detection;
Built-in high-brightness lighting lamp in the operation cabinet;
Built-in emergency stop switch to ensure the safety of operators;
Operation cabinet made of stainless steel mirror material, biological grade, integrally processed and formed; outer layer made of sprayed cold-rolled plate; inner and outer layers are insulated and flame-retardant;
Front glass door, easy for to observe and operate;
Equipped with two storage boxes at the bottom; equipped with dual-purpose casters for support and movement.
Technical specifications
| Vacuum pump | Oil-free rotary vane vacuum pump, maximum flow rate up to 57LPM, equipped with silencer, stable air flow |
| Aerosol generator flow control | Mass flow control |
| I gas sampling flow | Anderson sampling flow rate 28.3L/min, resolution: 0.1L/min |
| II Gas sampling flow | Anderson sampling flow rate 28.3L/min Resolution: 0.1L/min |
| I, II sampling | Mass flow control |
| I air pressure | 0-20kPa,resolution:0.01kpa |
| II Air pressure | 0-20kPa, resolution: 0.01kpa |
| Spray flow meter pressure | 0~300kPa, resolution: 0.01kpa |
| Negative pressure of aerosol chamber | 0~120Pa,, resolution: 0.01kpa |
| Operating temperature | 0~50ºC |
| Cabinet negative pressure | 20~-120Pa |
| Data storage capacity | Data can downloaded via U flash disk |
| Mass flow controller | 0~20L/min resolution: 0.1L/min |
| Peristaltic pump flow | (0.01~3.0)mL/min resolution: 0.1L/min |
| High efficiency air filter characteristics | The filtration efficiency of particles above 0.3um is ≥99.99% |
| Mass median diameter of aerosol generator | Average particle diameter (3.0±0.3)μm, geometric standard deviation≤1.5 |
| Dual-channel 6-stage Anderson sampler to capture particle size | degree>7μm,degree (4.7~7)μm,degree (3.3~4.7)μm,degree (2.1~3.3)μm,degree (1.1~2.1)μm, degree (0.6~1.1)μm |
| Aerosol chamber specifications | 600mm×80mm×5mm[L*D*T] |
| Positive quality control Total number of particles in sampler | (2200±500)cfu |
| Ventilation flow of negative pressure system | 800m3/min |
| Operating room size | (L740×W940×D440)mm |
| Dimensions | Approx(L1200×W650×H2100)mm |
| Power supply | AC 220V, 50Hz |
| Instrument noise | <65dB(A) |
| Net weight | 150kg |
| Whole machine power consumption | <1500W |
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