Respirator Bacterial Filtration Efficiency (BFE) Tester

Equipment for testing of the bacterial filtration efficiency of surgical masks

Features:

1. Negative pressure test system to ensure the safety of operators;

2. Built - in peristaltic pump in the negative pressure cabinet, A, B, four Andersen;

3. The peristaltic pump flow can be set;

4. The flow rate of night spray of special microorganism aerosol generator can be set;

5. Good atomize effect;

6. Embedded high-speed industrial microcomputer control;

7. 10.4 inch industrial high brightness color touch screen;

8. USB interface, support U disk data storage;

9. Cabinet built-in high brightness lights;

10. Front opening and closing glass door, convenient for experimenters to observe and operate;

Specifications:

Main Specifications Parameter range Resolution Accuracy

A Sampling Flow 28.3L/min 0.1L/min ±2.5%

B Sampling Flow 28.3L/min 0.1L/min ±2.5%

Spray Flow (8～10)L/min 0.1L/min ±2.5%

Peristatic Pump Flow (0.006～3.0)ml/min 0.001ml/min ±2.5%

A Road Flow Meter (-20～0)KPa 0.01KPa ±2.5%

B Road Flow Meter (-20～0)KPa 0.01KPa ±2.5%

Pressure Before Spray Flowmeter (0～300)KPa 0.1KPa ±2.5%

Environmental Temperature (-40～99)℃ 0.1℃ ±2.5%

Negative Pressure In Aerosol Chamber (-90～-120)Pa 0.1Pa ±2.0%

Negative Pressure Of Cabinet -50～-200Pa

Data Storage Capacity >100000 Groups

Vortex Mixer Test Tube Specification and Quantity Φ16×150 mm test tubes, Eight

Characteristics of High Efficiency Air Filter The filtration efficiency of particles above 0.3 um ≥99.99%

Median Mass Diameter Of Aerosol Generator 3.0± 0.3μm,Geometric standard deviation ≤1.5

Double Route 4 Andersen Level I >7μm,Ⅱ4.7-7μm,

Level Ⅲ 3.3-4.7μm,Level Ⅳ 2.1-3.3μm,

Level Ⅴ 1.1-2.1μm,Level Ⅵ 0.6-1.1μm

Aerosol Chamber Size(L*D*T) 600*85*30mm

Total Particles of Positive Quality Control Sampler 2200±500cfu

Ventilation flow of negative pressure cabinet ≥5m3/min

Negative Cabinet Door Size(W*D) 1000×730mm

Mainframe Size(W*D*H) 1180×650×1300mm

Support Dimensions(W*D*H) 1180×650×600mm,Adjustable height within 10 cm

Instrument Noise <65dB(A)

Weight About 150kg

Power Supply AC220V±10%,50Hz

Power Dissipation <1500W