Product Details
Bacterial Filtration Efficiency (BFE) Detector
It is used to test the percentage of materials containing bacteria suspended particles at the specified flow rate. The dual gas path simultaneous comparison sampling method is used to improve the accuracy of sampling, which is suitable for the performance testing of bacterial filtration efficiency of medical surgical masks by metrological inspection departments, scientific research institutes, medical mask manufacturers and other relevant departments.
Specifications
Key Specification |
Specification Range |
Resolution |
Accuracy |
A Route Sampling Flow |
28.3L/min |
0.1L/min |
Within ± 2.5% |
B Route Sampling Flow |
28.3L/min |
0.1L/min |
Within ±2.5% |
Spray Flow |
(8~10) L/min |
0.1L/min |
Within ±2.5% |
Peristaltic Pump Flow |
(0.006~3.0) mL/min |
0.001ml/min |
Within ±2.5% |
Front Pressure of A Route Sampling Flowmeter |
(-20~0) kPa |
0.01kPa |
Within ±2.5% |
Front Pressure of B Route Sampling Flowmeter |
(-20~0) kPa |
0.01kPa |
Within ±2.5% |
Front Pressure of Spray Flowmeter |
(0~300) kPa |
0.1kPa |
Within ±2.5% |
Ambient Temperature |
(-40~99) ℃ |
0.1℃ |
Within ±2.5% |
Negative Pressure of the Aerosol Chamber |
(-90~-120) Pa |
0.1Pa |
Within ±2.0% |
Negative Pressure of the Cabinet |
-50~-200pa |
Data Storage Ability |
>100000 sets |
Vortex Mixer Test Tube Specification and Quantity
|
Φ16×150mm test tube, 8pcs |
High Efficiency Particulate Air Filter Properties |
Filter Efficiency ≥99.99% for particles> 0.3μm |
Median diameter of aerosol generator mass |
Average diameter: (3.0±0.3)μm; Geometric Standard Deviation≤1.5 |
Double Routes 6-lever Andersen Sampling apparatus |
Level1>7μm; Level 2: (4.7~7)μm;
Level 3: (3.3~4.7)μm; Level 4: (2.1~3.3)μm;
Level 5: (1.1~2.1)μm; Level 6: (0.6~1.1)μm
|
Size of Aerosol Chamber |
600×85×3mm (Length×Diameter×Thickness) |
Total number of positive quality control sampler particles |
(2200±500) cfu |
Negative Chamber Flow Speed |
≥5m3/min |
Size of Negative Pressure Chamber Door (W×D) |
1000×730mm |
Size of Main Machine (W×D×H) |
1180×650×1300mm |
Size of Supporting Frame (W×D×H) |
1180×650×600mm, Height within 10cm is adjustable |
Noise of the Tester |
<65dB(A) |
Weight |
150kg |
Power Supply |
AC220V±10%, 50Hz |
Power Consumption |
<1500W |
Standards
YY0469-2004, YY/T 0969-2013, ASTMF2100, ASTMF2101, EN14683
Features
1. Negative pressure experiment system to ensure the safety of operators;
2. Negative pressure cabinet with built-in peristaltic pump and A and B two-way six-stage Andersen;
3. The flow rate of the peristaltic pump can be set;
4. Dedicated microbial aerosol generator can set the volume of bacterial liquid spray flow, and the atomization effect is good;
5. Embedded high-speed industrial microcomputer control;
6. 10.4-inch industrial-grade high-brightness color touch display;
7. USB interface, support U disk data transfer;
8. Built-in high-brightness lighting in the cabinet;
9. Built-in leakage protection switch to protect operator safety;
10. Insulation and flame retardant between inner and outer layers;
11. The front switch glass door is convenient for experimenters to observe and operate;
12. Detachable stand, the height of stand is adjustable;
13. Support and move dual-purpose casters.
Masks Bacterial Filtration Efficiency Tester is used to determine the bacterial filtration efficiency (BFE) of medical face masks, surgical face masks, to identify the protective performance from being exposed to bacterial airborne environments.
Masks Bacterial Filtration Efficiency Tester, BFE tester’s main performance indicators can meet both the YY0469-2011 in the appendix B bacterial filtration efficiency (BFE) test method B.1.1 test instrument requirements, and the ASTM ASTMF2100, ASTMF2101, European EN14683 standard requirements.
This mask bacterial filtration efficiency tester adopts the design of a double airway simultaneous comparison sampling method to improve the accuracy of sampling, applicable to metrological testing departments, scientific research institutions, mask manufacturers, and other relevant departments of the mask bacterial filtration efficiency performance testing.
Standards
· YY 0469 – 2011, YY/T 0969 – 2013
· ASTM F2100, ASTM F2101
Tester Specifications
Main parameter |
Parameter range |
A sampling flow |
According to the specific requirement of TEST REPORT provided for each machine |
B sampling flow |
According to the specific requirement of TEST REPORT provided for each machine |
Spray flow |
According to the specific requirement of TEST REPORT provided for each machine |
Peristatic pump flow |
According to the specific requirement of TEST REPORT provided for each machine |
Front pressure of flowmeter A |
(-20 ~ 0) kPa |
Front pressure of flowmeter B |
(-20 ~ 0) kPa |
Front pressure of spray flow |
(0 ~ 300) kPa |
Pressuring of aerosol |
(-90 ~ -120) Pa |
Working temperature |
(0 ~ 50) ℃ |
Pressuring of cabinet |
(-50 ~ -200) Pa |
Data storage capacity |
> 100000 set |
Characteristics of high-efficiency air filter |
The filtration efficiency of particles above 0.3 um ≥ 99.99% |
Median mass diameter of aerosol generator |
Mean particle diameter (3.0 ± 0.3) μm, geometric standard deviation ≤ 1.5 |
Two-way 6-stage Anderson sampler to capture particle size |
Level Ⅰ>7μm, Level Ⅱ (4.7 ~ 7) μm, Level Ⅲ (3.3 ~ 4.7) μm, Level Ⅳ (2.1 ~ 3.3) μm, Level Ⅴ (1.1 ~ 2.1) μm, Level Ⅵ(0.6 ~ 1.1) μm |
Aerosol chamber specifications |
(Length 600 * Diameter 85 * Thickness 3) mm |
Total particles of positive quality control sampler |
(2200 ± 500) cfu |
Ventilation flow of pressuring cabinet |
≥ 5 m3/min |
Size of pressuring cabinet door |
1000 * 730 mm (L x W) |
Host size |
1180 * 650 * 1300 mm (L x W x H) |
Bracket size |
1180 * 650 * 600 mm (L x W x H), Height adjustable within 100 mm |
Working power |
AC 220 V ± 10%, 50 Hz |
Noise |
< 65 dB (A) |
Weight |
About 150 Kg |
Power consumption |
< 1500 W |
Tester Features
· Pressuringtest system to ensure the safety of operators;
· Pressuringcabinet built-in peristaltic pump, A, B two-way six-stage Anderson;
· Peristaltic pump flow value can be set;
· Special microbial aerosol generator bacterial liquid spray flow valuecan be set;
· Good atomization;
· Embedded high-speed industrial microcomputer control;
· 4-inch industrial-grade high-brightness color touch display screen;
· USB interface, support U disk data transfer;
· Cabinet built-in high-brightness lighting lamp;
· Built-in leakage protection switch to protect the safety of operators;
· The inner layer of stainless steel in the cabinet is integrally processed and formed, and the outer layer is sprayed with cold-rolled plate;
· Heat preservation and flame retardant between inner and outer layers;
· Front switch type glass door, which is convenient for experimenters to observe and operate;
· Removable bracket with adjustable bracket height;
· Support and move dual-use casters.
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