Bacteria Filtration Efficiency BFE Tester ASTM F2101 EN 14683

Bacteria Filtration Efficiency BFE Tester ASTM F2101 EN 14683

This tester is used to test the bacterial filtration efficiency of protective equipments.
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Product Details

Model: AF-BFE

Standards: YY0469-2011,YY/T 0969-2013,ASTM F2101,ASTM F2100,EN 14683


The Bacterial Filtration Efficiency (BFE) tester consists of an aerosol generation system, aerosol chamber and aerosol transmission device, negative pressure operating system, 28.3L/min sampler, etc. The aerosol generating system includes: peristaltic pump, aerosol generator, compressed air and purification device. The aerosol chamber and the aerosol transmission device include: aerosol chamber, high efficiency air filter, suction negative pressure fan, etc.

PLC control, real-time display of working status, whole procedure is completed automatically.

 

Features

Mass flow controllers are used for flow control, with stable control and high precision

Negative pressure operating system to ensure the safety of operators

Negative pressure operating system, built-in peristaltic pump, two-way six-stage Anderson sampler I and II

The flow rate of the peristaltic pump can be set

Special bacterial liquid atomizer, the atomization flow size can be set, and the atomization effect is good

PLC and touch screen control system, stable and reliable

10-inch industrial-grade high-brightness color touch screen; USB interface, support U disk data transfer

Software parameters calibration

No. 1 and No. 2 sampling systems use oil-free rotary vane pumps, with stable air extraction, equipped with a silencer, and the maximum flow rate can reach 57LPM;

Automatic fault detection;

Built-in high-brightness lighting lamp in the operation cabinet;

Built-in emergency stop switch to ensure the safety of operators;

Operation cabinet made of stainless steel mirror material, biological grade, integrally processed and formed; outer layer made of sprayed cold-rolled plate; inner and outer layers are insulated and flame-retardant;

Front glass door, easy for to observe and operate;

Equipped with two storage boxes at the bottom; equipped with dual-purpose casters for support and movement.

 

Technical specifications

Vacuum pump

Oil-free   rotary vane vacuum pump, maximum flow rate up to 57LPM, equipped with   silencer, stable air flow

Aerosol generator   flow control

Mass   flow control

I gas sampling flow

Anderson   sampling flow rate 28.3L/min, resolution: 0.1L/min

II Gas sampling flow

Anderson   sampling flow rate 28.3L/min Resolution: 0.1L/min

I, II sampling

Mass   flow control

I air pressure

0-20kPa,resolution:0.01kpa

II Air pressure

0-20kPa,   resolution: 0.01kpa

Spray flow meter   pressure

 0~300kPa,   resolution: 0.01kpa

Negative pressure of   aerosol chamber

0~120Pa,,   resolution: 0.01kpa

Operating temperature

0~50

Cabinet negative   pressure

20~-120Pa

Data storage capacity

Data   can downloaded via U flash disk

Mass flow controller

0~20L/min resolution:   0.1L/min

Peristaltic pump flow

 (0.01~3.0)mL/min  resolution:   0.1L/min

High efficiency air   filter characteristics

The   filtration efficiency of particles above 0.3um is ≥99.99%

Mass median diameter   of aerosol generator

Average   particle diameter (3.0±0.3)μm, geometric standard deviation≤1.5

Dual-channel 6-stage   Anderson sampler to capture particle size

degree>7μm,degree (4.7~7)μm,degree (3.3~4.7)μm,degree (2.1~3.3)μm,degree (1.1~2.1)μm, degree   (0.6~1.1)μm

Aerosol chamber   specifications

600mm×80mm×5mm[L*D*T]

Positive quality   control Total number of particles in sampler

(2200±500)cfu

Ventilation flow of   negative pressure system

800m3/min

Operating room size

 (L740×W940×D440)mm

Dimensions

 Approx(L1200×W650×H2100)mm

Power supply

AC 220V,   50Hz

Instrument noise

<65dB(A)

weight

120kg

Whole machine power   consumption

<1500W


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