Equipment use:

Used to test the filtration efficiency of daily protective masks and respirators for particulate matter. It is suitable for medical device inspection center, safety protection inspection center, labor protection inspection center, drug inspection center, disease Prevention and control center, textile, testing center, hospital, mask and respirator manufacturers.

Technical index:

Technical parameters

1.The use of cold generation aerosol generator to produce continuous and stable aerosol particles, adding solution is convenient.

2. Use high-precision PM2.5 sensor to measure aerosol concentration.

3.The whole particle leakage design, to protect the safety of the experimental personnel.

4.Compatible with masks and respirators to test particulate matter filtration efficiency.

5.Aerosol generator 2 sets: salt particulate aerosol generator and oily particulate aerosol generator.

6.Equipped with aerosol particles electrostatic charge neutralization device.

7.Pneumatic fixture and equipped with protection device, safe and easy to use.

8. Configure the temperature and humidity sensor to display the ambient temperature and humidity in real time (temperature and humidity requirements: 25 ° C ±5 ° C, 30%RH±10%RH).

9.Equipped with glass rotor flowmeter, vacuum pump, laser dust particle counter.

10.Filtration efficiency detection range: 0-99.999%.

11.Filtration efficiency detection flowmeter range (10-100) L/min, accuracy 2.5.

12.Filtration efficiency sampling frequency: 1-9999 times /min can be arbitrarily set.

13.Filtration efficiency particulate concentration: (20-30) mg/ m3; The median diameter of the count: salt particle (0.075±0.02) μm, oil particle (0.185±0.02) μm; The geometric standard deviation of particle size distribution: salt particles ≤1.86, oil particles ≤1.60; Dynamic detection range (0.001-100) mg/m3, accuracy 1%.

14.Instrument accuracy level (accuracy level): 2

15. Power supply: AC220V 50Hz

16.Air source: 85L/min flow air compressor or compressed air (user's own)

Applicable standards:

GB/T 32610-2016 Technical Specification for Daily Protective Masks 6.13(Appendix A), 6.14(Appendix B)

GB 2626-2006 Respiratory protective equipment - Self-priming filter respirator against particulate matter

GB 19082-2009 Technical requirements for medical disposable protective clothing

YY 0469-2011 Surgical masks for medical purposes

Configuration:

7 "TFT touch screen

SW-20 Control System (Self-developed)

TaiwanAirTAC gaz circuit

JapanKanomaxparticlecounter

Pneumatic clamp sample

Fully automatic experimental process