| After-sales Service: | Yes |
|---|---|
| Warranty: | 1 Year |
| Display: | Digital |
| Control: | Manual Control |
| Weight: | 0-100Kg |
| Power Source: | AC220V |
| Customization: |
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Audited Supplier The tester Introduction and application
Mask bacterial filtration efficiency (BFE) tester is suitable for medical device inspection center, safety protection inspection center, labor protection inspection center, drug inspection center, disease prevention and control center, textile testing center, hospitals, mask manufacturers and other performance testing of bacterial filtration efficiency of masks.
The main technical parameters
Main parameters Parameter range Resolution zui large allowable error
A sampling flow rate 28.3L/min 0.1L/min Better than ±2.5%
B-way sampling flow rate 28.3L/min 0.1L/min Better than ±2.5%
Spray flow rate (8~10)L/min 0.1L/min Better than ±5.0%
Peristaltic pump flow rate (0.006~3.0)mL/min 0.001ml/min Better than ±2.5%
A-way flowmeter before the pressure (-20 ~ 0)kPa 0.01kPa better than ± 2.5%
B-way flowmeter before the pressure (-20 ~ 0)kPa 0.01kPa better than ± 2.5%
Spray flowmeter before the pressure (0 ~ 300)kPa 0.1kPa better than ± 2.5%
Aerosol chamber negative pressure (-90~-120)Pa 0.1Pa Better than ±2.0%
Operating temperature (0~50)ºC
Cabinet negative pressure (-50~-200)Pa
Data storage capacity >100000 groups
High efficiency air filter characteristics Filter efficiency for particles above 0.3um ≥ 99.99%
Aerosol generator mass median diameter Average particle diameter (3.0 ± 0.3) μm, geometric standard deviation ≤ 1.5
Two-way 6-stage Anderson sampler capture particle size 1>7μm, 2 (4.7 ~ 7) μm, 3 (3.3 ~ 4.7) μm, 4 (2.1 ~ 3.3) μm, 5 (1.1 ~ 2.1) μm, 6 (0.6 ~ 1.1) μm
Aerosol chamber specifications (length 600 × diameter 85 × thickness 3)mm
Positive quality control sampler total number of particles (2200±500)cfu
Negative pressure cabinet ventilation flow ≥5m3/min
Negative pressure cabinet door size (length 1000×width 730)mm
Main machine size (L1180×W650×H1300)mm
Stand size (length 1180×width 650×height 600)mm, height adjustable within 100mm
Working power supply AC220V±10%, 50Hz
Instrument noise <65dB(A)
Machine weight 350kg
Overall power consumption <1500W
Instrument characteristics
1,Negative pressure experimental system to ensure the safety of the operator.
2, negative pressure cabinet built-in peristaltic pump, A, B two-way six Anderson (Andersen).
3, peristaltic pump flow size can be set.
4,Special microbial aerosol generator bacteria night spray flow size can be set.
5,Good atomization effect.
6,Embedded high-speed industrial microcomputer control.
7, 10.4 inch industrial grade high brightness color touch screen.
8,USB interface, support U disk data transfer.
9,High-brightness lighting inside the cabinet.
10,The front switch type glass door, easy for the experimenter to observe the operation.
Applicable standards
YY 0469-2011 Medical surgical masks 4.6.1 chapter.
YY/T 0969-2013 single-use medical masks 4.5 chapters.
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Audited Supplier 
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