RT-2517 Mask Bacterial Filtration Efficiency BEF Test Equipment

Mask Bacteria Filtration Efficiency (BFE) Tester

Category 12. PPE Testing Equipment

Additional information

ASTM F 2100 Medical Face Mask Materials Bacterial Filtration Efficiency %(BFE) Tester

Product Details：

Product Description

RT-2517 Mask Bacteria Filtration Efficiency (BFE) tester is mainly used for the measurement of mask bacterial filtration efficiency performance by metrological verification departments, scientific research institutes, medical mask production units and their related testing departments. It is composed of aerosol generating system, aerosol chamber and aerosol transmission device, negative pressure cabinet, 28.3L / min sampler, etc., and the entire detector is controlled by the console. The console uses a microcomputer control system to coordinate and control the work of the aerosol generation system, transmission system, negative pressure cabinet, and sampling system, and displays the working status in real time. The entire measurement work is automatically completed.

Comply Standard

It meets the technical requirements of YY 0469-2011 medical surgical mask. Appendix B. Bacterial Filtration Efficiency (BFE) Test Method B.1.1.1 test instrument requirements, and also meets the requirements of ASTM F 2100, ASTM F 2101, EN 14683 standards.

Product Features

Negative pressure test system to ensure the safety of operators.

Built-in peristaltic pump in negative pressure cabinet, A, B two-way six-level Anderson.

The flow rate of the peristaltic pump can be set according to the situation.

The flow rate of the bacterial liquid mist of the special microbial aerosol generator can be set, and the atomization effect is good.

Industrial microcomputer control.

High-brightness color touch screen.

USB interface, support U disk data transfer.

Built-in high-brightness lighting lamp for easy observation.

Built-in built-in leakage protection switch to protect the safety of operators.

The front glass door is convenient for the operator to observe and operate.

Technical Parameter

The main parameters	Parameter range
Vacuum pump	Oil-free rotary vane vacuum pump, the maximum flow rate can reach 57LPM, equipped with a silencer, the air flow is stable.
Aerosol generator flow control	The flow control of the aerosol generator adopts mass flow control, with precise control.
Channel I sampling flow	Anderson sampling flow rate 28.3L / min, resolution: 0.1L / min
Channel II sampling flow	Anderson sampling flow rate 28.3L / min, resolution: 0.1L / min
I and II sampling	Equipped with mass flow controller
I Pneumatic pressure	0～5KPa
II Pneumatic pressure	0～5KPa
Spray flowmeter pressure	0～300KPa
Aerosol negative pressure	0～120KPa
Operating temperature	0～50℃
Cabinet negative pressure	0～120Pa
Data storage capacity	Data can be downloaded via U disk
Mass flow controller	0-20L / min, resolution: 0.1 L / min
Peristaltic pump flow	(0.01～3.0)mL/min
High efficiency air filter characteristics	Filtration 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-level Anderson sampler captures 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	(600×80×5)mm
Total number of positive quality control sampler particles	(2200±500)cfu
Ventilation flow of negative pressure system	800m³/min
Operating room size	（740×940×440）mm
Product size	About 1200×650×2100mm
Instrument noise	<65Db(A)
weight	120kg
Machine power consumption	<1500W

The standard configuration

Host of BFE experiment system

Level 6 Anderson Sampler

Aerosol generator

Glass mixing chamber

Sampling pump

6. Silicone tube

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