China Bfe Bacterial Filtration Efficiency Mask Tester Test Detector

Bfe Bacterial Filtration Efficiency Mask Tester Test Detector Mask bacterial filtration efficiency (BFE) tester is mainly applicable to the measurement and verification departments, scientific research institutes, medical mask manufacturers and relevant testing departments for the performance of mask bacterial filtration efficiency.It is composed of aerosol generation system, aerosol chamber and aerosol transmission device, negative pressure cabinet and 28.3L /min sampler.The whole tester is controlled by the console.The control console adopts microcomputer control system to coordinate and control the work of aerosol generation system, transmission system, negative pressure cabinet and sampling system, and display the working status in real time. The whole measurement work is completed automatically.
Standard
YY0469-2011,ASTM F2100,ASTM F2101,EN 14683,etc
Feature
1,Negative pressure test system ensures operator safety.
2,Negative pressure cabinet built - in peristaltic pump, A,B two - way Anderson
3.Peristaltic pump flow can be set according to the situation.
4.The flow rate of microbial aerosol generator can be set and the atomization effect is good
5.Industrial microcomputer control
6.High brightness color touch screen
7.USB interface, support U disk data storage
8.Built-in high brightness lighting. Convenient for observation
9.Built-in leakage protection switch to protect operators
10.Front glass door, easy for operator to observe operation
Parameter

Main ParameterParameter rangevacuum pumpOil-free rotary vane vacuum pump, maximum flow up to 57LPM, equipped with muffler, stable airflowAerosol generator flow controlThe flow control of aerosol generator adopts mass flow control and the control is accurateChannel I sampling flowAnderson sampling flow of 28.3 L/min, resolution: 0.1 L/minII sampling flowAnderson sampling flow of 28.3 L/min, resolution: 0.1 L/minI,II samplingEquipped with mass flow controller1 Pneumatic pressure0-5KPaII Pneumatic pressure0-5KPaSpray flowmeter pressure0-300KPaaerosol chamber negative pressure0-120KPaWorking Temperature
0-50ºCCabinet negative pressure0-120PaData storage capacityData can be downloaded via usb flash drivemass flow controller0-20L/min,resolution:0.1 L/minPeristaltic pump flow(0.01~3.0)mL/minHigh efficiency air filter characteristicsThe filtration efficiency of particles above 0.3um is ≥99.99%Median mass diameter of aerosol generatorThe average particle diameter was (3.0±0.3)μm,Geometric standard deviation≤1.5Two-channel 6-stage Anderson sampler captures particle sizeclass>7μm,class(4.7~7)μm, class(3.3~4.7)μm, class(2.1~3.3)μm,class(1.1~2.1)μm, class(0.6~1.1Fog chamber specifications(600x80x5)mmTotal number of positive quality control sampler particles(2200±500)cfuVentilation flow of negative pressure system800m³/minOperation room dimension(740x940x440)mmdimensionabout 1200x650x2100mmInstrument noise<65Db(A)weight120kgpower consumption<1500W