Universal Testing Machines with Custom Testing Solutions
Application
This tester can be used in metrological verification departments, scientific research institutes or mask manufacturing enterprises to test the bacterial filtration efficiency of materials like face masks or surgical gowns.
Standards
YY 0469-2004 technical requirements for surgical mask
BS EN 14683-2014 Medical face masks - Requirements and test methods
ASTM F2100-2019 Standard Specification for Performance of Materials Used in Medical Face Masks
ASTM F2101 standard test method for evaluating the bacterial filtration efficiency (BFE) of medical face mask materials conducted using a biological aerosol of staphylococcus aureus
ABNT NBR 15052:2004
Features
1. Negative pressure system can protect the safety of the operator.
2. Negative pressure cabinet with built-in peristaltic pump and A and B two-way six-stage Andersen
3. The flow rate of peristaltic pump can be adjusted.
4. The spray flow of bacterial liquid inside the dedicarted microbial aerosol generator can be adjusted.
5. Good atomization effect
6. Built-in high-speed industrial microcomputer
7. 10.4 inch industrial-grade high-brightness color touch screen
8. USB ports, support U disk data transfer
9. Built-in high-brightness lighting in the cabinet
10. Front switch glass door for easy operation and observation
| Main parameters | Range | Resolution | Maximum allowable error |
| A Route Sampling Flow | 28.3L/min | 0.1L/min | Within ±2.5% |
| B Route Sampling Flow | 28.3L/min | 0.1L/min | Within ±2.5% |
| Spray Flow | (8～10)L/min | 0.1L/min | Within ±5.0% |
| Peristaltic Pump Flow | (0.006～3.0)mL/min | 0.001ml/min | Within ±2.5% |
| Front Pressure of A Route Sampling Flowmeter | (-20～0)kPa | 0.01kPa | Within ±2.5% |
| Front Pressure of B Route Sampling Flowmeter | (-20～0)kPa | 0.01kPa | Within ±2.5% |
| Front Pressure of Spray Flowmeter | (0～300)kPa | 0.1kPa | Within ±2.5% |
| Negative Pressure of the Chamber | (-90～-120)Pa | 0.1Pa | Within ±2.0% |
| Working Temperature | (0～50)℃ | ||
| Negative Pressure of the Chamber | ＞120Pa | ||
| Data Save Ability | ＞500000 sets（Scalable capacity） | ||
| High Efficiency Particulate Air Filter Properties | ≥99.99%@0.3μm, ≥99.995@0.12μm | ||
| Median Diameter of Aerosol Generator Mass | Average diameter: (3.0±0.3)μm， Geometric standard deviation≤1.5 | ||
| Double Routes 6-Stage Andersen Sampling Apparatus | StageⅠ＞7μm，StageⅡ:(4.7～7)μm，Stage Ⅲ:(3.3～4.7)μm，Stage Ⅳ:(2.1～3.3)μm，Stage Ⅴ:(1.1～2.1)μm，Stage Ⅵ:(0.6～1.1)μm | ||
| Size of Aerosol Chamber | 600×80×3mm (Length × Diameter × Thickness) | ||
| Total Number of Positive Quality Control Sampler Particles | (2200±500)cfu | ||
| Negative Chamber Flow Speed | ≥5m3/min | ||
| Power Supply | AC220V±10%，50Hz | ||
| Noise of the Tester | ＜65dB(A) | ||
| Weight | ≈300kg | ||
| Power Consumption | ＜1500W | ||
| Size of Main Machine | 1470×790×2100mm (L×W×H) | ||
