• Model NO.：AF-BFE
• Trademark：SERVE REAL
• Origin：China
• HS Code：9031809090
• Production Capacity：100set,Year

Basic Info.

Model NO. AF-BFE Trademark SERVE REAL Origin China HS Code 9031809090 Production Capacity 100set/Year

Product Description

 Standards: YY0469-2011,YY/T 0969-2013,ASTM F2101,ASTM F2100,EN 14683
 
This tester is used to test the bacterial filtration efficiency of protective clothing.
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	0~50ºC
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)
Net weight	150kg
Whole machine power consumption	<1500W