【Scope of application】

It is used to test the protective effect of masks, filter materials and other particles on medical device inspection centers, disease prevention and control centers, hospitals, high-efficiency filter manufacturers, mask research and development and manufacturers.

【Standards compliant】

GB/T 32610 Technical Requirements for Daily Protective Masks Appendix B

【Instrument characteristics】

1. Efficiency detection: Imported well-known TSI brand high-precision photometer is used to detect the concentration in the warehouse and the inhalation concentration of the head model breathing tube to ensure accurate, stable, fast and effective sampling.

2. Breathing frequency and flow: Driven by servo motor to simulate artificial lung, accurate flow and frequency.

3. Aerosol generation: The salt and oil can be tested on the same instrument, with automatic switching, without manual operation, ensuring fast and stable adjustment of fog density.

4. Test results: Equipped with professional computer software, the test results can be displayed directly on the interface and can be printed, and the data can be saved.

【Technical parameter】

1. Breathing simulator: Breathing frequency 10-30 times/min, which can be set freely;

2. Breathing volume: 20～40L/min sinusoidal air flow, which can be set freely;

3. Aerosol generator

Oily (medium: DEHS, corn oil, paraffin oil)

Aerosol concentration: 10～40mg/m³ (adjustable)

Particle size distribution: (0.02～2)μm median particle size: 0.3μm

Salinity (medium: NaCl)

Aerosol concentration: 10～40mg/m³ (adjustable)

Particle size distribution: (0.02～2)μm median particle size: 0.6μm

4. Photometer Measuring range: (0～400) mg/m³

5. Test temperature: (25±5)℃

6. Relative humidity: (30±10)%

7. Dimensions: 800×1000×1700mm

8. Weight: 100kg

9. Air source requirement: 0.5MPa

10. Power source: AC220V 50Hz 300W

【Instrument interface】