Mask BFE Testing Machine - G299 | ASTM F2101, EN 14683

Mask BFE Testing Machine test principle:

Bacterial filtration efficiency Tester consists of aerosol generation system, aerosol chamber and aerosol transmission device, negative pressure cabinet, 28.3 l/min carbon sampler and other components.The entire detector is controlled by the console.The console adopts microcomputer control system to coordinate and control the work of aerosol generating system, transmission system, negative pressure cabinet and sampling system, and display the working status in real time.The entire measurement work is done automatically.

Applicable Standards

ASTM F2100 standard specification for performance of materials used in medical face masks

EN 14683 standard that medical face masks in Europe are required to comply with

ASTM F2101 standard test method for evaluating bacterial filtration efficiency (BFE) of medical mask materials using Staphylococcus aureus biological aerosol

YY0469-2011 Technical requirements for surgical mask

YY/T 0969-2013 Single-use medical face mask

Video Description:
https://youtu.be/i0EM6Zr9hxk

Technical Specification:

Conforms to EN 14683 and ASTM F2101

A Route Sampling Flow: 28.3L/min, resolution 0.1, E±2.O% L/min

B Route Sampling Flow: 28.3L/min, resolution 0.1, E±2.O% L/min

Spray Flow: (O.l e?? 10)L/min, resolution 0.1, E±5.O% L/min

Peristaltic Pump Flow: (0.001 ? 3.O)mL/min, resolution 0.001, E±2.O%

Negative Pressure Chamber: (-90 ? -120)Pa, resolution 0.1, E±I.O%

Working Temperature: OOC to 500C

High Efficiency Particulate Air Filter Properties:

≥99.995%@0.3μm, ≥99.995%@0.12μm

Diameter of aerosol generator mass: Average diameter:

(3.0+0.3)fm; Geometric Standard Deviation<1.5pm

Double Routes 6-lever Andersen Sampling apparatus:

Level l: >7gm; Level Il: (4,7 to 7)gm; Level Ill: (3,3 to 4.7)gm;

Level IV: (2.1 to 3.3)gm; Level V: (1.1 to 2.1)gm;

Level VI: (0.6 to 1.1)gm

Total number of positive quality control sampler particles: (2200±500)cfu

Negative Chamber Flow Speed: 25m/min

Size of Aerosol Chamber: at least (600x80x3) mm

Power supply: 220 V AC, 60 1-Iz

Noise: 65db(A)

Characteristics of G299 Mask BFE Testing Machine:

1. Intelligent touch screen control panel

more efficient and reliable, programmable 10 inch color LCD touch, achieve control, data display and other functions

2. High precision

Two samplers simultaneously sampling, avoid the test error by intermediate link, improve the accuracy of test

3. Multi directional protection design

Equipped with current overload protection, leakage protection and negative pressure cabinet to ensure safety for operator

4. Stability customized parameters

Adopts imported accessories, features stable movements, accurate test data and good repeatability

Applications of bacterial filtration efficiency tester:

Mask BFE Testing Machine is used to detect the filtration efficiency of masks, and also can be used for measurement and calibration departments, scientific research institutions, mask production enterprises and other relevant departments.

Features:

(1)What is a Mask BFE Testing Machine used for?

A Mask BFE Testing Machine is used to measure the bacterial filtration efficiency of medical mask materials. It evaluates how effectively a mask filters bacterial aerosol particles and helps manufacturers verify product quality according to international testing requirements.

(2)Which standards does the BFE Tester comply with?

The Bacterial Filtration Efficiency Tester is commonly used according to ASTM F2101, EN 14683, ASTM F2100, YY 0469, and YY/T 0969 standards for evaluating medical face mask filtration performance.

(3)How does a Mask BFE Testing Machine measure filtration efficiency?

The system generates bacterial aerosol particles and passes them through the mask sample. Dual-route sampling measures particle concentration before and after filtration, and the BFE value is calculated automatically.

(4)Why does the BFE Tester use a negative pressure cabinet?

The negative pressure cabinet helps prevent aerosol leakage during testing and improves operator safety. It creates a controlled testing environment while maintaining stable aerosol transmission conditions.

(5)How to choose a suitable Mask BFE Testing Machine?

Selection should consider applicable standards, sampling flow accuracy, aerosol generation performance, safety protection, data recording functions, and laboratory requirements to ensure reliable and repeatable BFE testing.