Bacterial Filtration Efficiency Tester

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Product Description

Usage

Bacterial Filtration Efficiency Tester is used to detect various medical and daily protective mask materials and filter out the percentage of bacteria-containing suspended particles (BFE) under the specified flow rate.

Product principle:

Bacterial Filtration Efficiency Tester is composed of aerosol generating system, aerosol chamber and aerosol transmission device, negative pressure cabinet, 28.3L / min C sampler, etc. 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.

Test standard

YY0469-2004,YY/T 0969-2013,ASTMF2100,ASTMF2101,EN14683 ect.

Features

Negative pressure test system to ensure the safety of operators.

The negative pressure cabinet has a built-in peristaltic pump, A and B two-way six-stage 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 lights. Easy to observe.

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

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

Technical parameters

Vacuum pump	Oil-free rotary vane vacuum pump, the maximum flow rate reaches 57LPM, equipped with a silencer, stable air flow
Aerosol generator flow control	Using mass flow control, precise control
Sampling flow I & II	Anderson sampling flow rate 28.3L / min, resolution: 0.1L / min accuracy: 2.5%
Sampling I & II	Equipped with mass flow controller
Pneumatic pressure I & II	0-5KPa
Spray flowmeter pressure	0-300KPa
Negative pressure of aerosol chamber	0-120KPa
Working temperature	0-50
Cabinet negative pressure	0~ 120Pa
Data storage capacity	Can download data 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 filtration performance	The filtration efficiency of particles above 0.3um is 99.99%,
Median mass diameter of aerosol generator	3.0 0.3m, geometric standard deviation 1.5
Dual 6-stage Anderson sampler capture particle size	I> 7m, II>4.7-7m, III >3.3-4.7m, IV >2.1-3.3m, V> 1.1-2.1m, VI >0.6-1.1 m
Aerosol chamber specifications	60cmX80 cmX 5cm (LxWxH)
Total number of positive control sampler particles	2200 500cfu
Ventilation flow of negative pressure system	800m / min
Operating room size	740 940 440mm(LxWxH)
Dimensions	1200 650 2100mm(WxDxH)
Instrument noise	<65dB (A)
Machine weight	about 120kg