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/GB-XF1000 Mask Bacterial Filtration Efficiency (BFE) Detector

GB-XF1000 Mask Bacterial Filtration Efficiency (BFE) Detector

It is used to test the percentage of materials containing bacteria suspended particles at the specified flow rate.

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products Details


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.


YY0469-2004、YY/T 0969-2013、ASTMF2100、ASTMF2101、EN14683


Key Specification


Specification Range



A Route Sampling Flow



Within ± 2.5%

B Route Sampling Flow



Within ±2.5%

Spray Flow



Within ±2.5%

Peristaltic Pump Flow



Within ±2.5%

Front Pressure of A Route Sampling Flowmeter



Within ±2.5%

Front Pressure of B Route Sampling Flowmeter



Within ±2.5%

Front Pressure of Spray  Flowmeter



Within ±2.5%

Ambient Temperature



Within ±2.5%

Negative Pressure of the Aerosol Chamber



Within ±2.0%

Negative Pressure of the Cabinet



Data Storage Ability

>100000 sets

Vortex Mixer Test Tube Specification and Quantity

Φ16×150mm test tube8pcs

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



Negative Chamber Flow Speed


Size of Negative Pressure Chamber Door(W×D)


Size of Main Machine(W×D×H)


Size of Supporting Frame(W×D×H)

1180×650×600mm, Height within 10cm is adjustable

Noise of the Tester





Power Supply

AC220V±10%, 50Hz

Power Consumption




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.

Note: GBPI is always committed to product innovation and improved performance, so accordingly product technical specifications are subject to change without notice. GBPI reserves the right to amend and the final power of interpretation.

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