1. Application

This tester is used to detect the filtration efficiency of particulate matter such as masks and filter materials.

2. Compliant with standards

Ø  GB 19083-2010 Technical requirements for medical protective masks

Ø  GB 19082-2009 Technical requirements for medical disposable protective clothing

Ø  YY 0496-2011 Medical surgical masks

3. Product features:

Ø  The cold generation aerosol generator is used to generate continuous and stable aerosol particles, and the filling solution is simple and convenient.

Ø  Configure a saline particle aerosol generator.

Ø  Equipped with aerosol particle static charge neutralization device.

Ø  Equipped with a high-precision digital gas flow sensor to accurately measure gas flow.

Ø  Equipped with industrial-grade temperature and humidity sensors, it can accurately measure the ambient temperature and humidity in real time. (Test conditions: 25±5°C 30±10% RH)

Ø  7-inch touch screen, easy to operate.

Ø  Pneumatic clamp, easy and convenient to change samples.

Ø  Pumping and exhausting integrated silent vacuum pump

Ø  High-precision pressure gauge and flow regulating valve can adjust the concentration of aerosol.

Ø  Micro-printer can print test data.

Ø  Leakage protection, overload protection, power-down storage and other intelligent configurations can effectively protect the safety of use.

Ø  Special test software, can be connected to a computer (optional)

4. Technical parameters

1. Flow range: (0～100) L/min, accuracy 1%

2. Filtration efficiency: (0.001～99.999)%

4. Test area: 100cm² (28cm² optional)

5. Aerosol: sodium chloride (optional DOP, DEHS, paraffin oil, corn oil)

6. Aerosol concentration: no more than 30mg/m³ (salt), no more than 30mg/m³ (oily)

7. Counting median diameter: salty particles (0.075±0.02) um, oily particles (0.185±0.02) um

8. Geometric standard deviation of particle size distribution: salty particles≤1.86 oily particles≤1.60

9. Dynamic detection range: 0.001—100mg/m³, precision 1%

10. Power: AC220V 50Hz / 1.2KW

11. Product size: length*width*height (800mm*560mm*1080mm)

5. Configuration List

1. One host

2. A set of mask test fixture

3. One set of aerosol generator

4. One set of laser-induced fluorescence particle counter

5. One digital gas flow meter

6. One silent vacuum pump for pumping and exhausting