A. Overview:
Itis used to test the particulates filtration efficiency of daily face masks andfilter materials, which is applicable to medical device inspection center,safety protection inspection center, labor protection inspection center, druginspection center, disease prevention and control center, textile testingcenter, hospitals, mask companies, etc.
B. Applicable Standards:
GB2626-2019: Respiratory protection—Non-powered air-purifying particle respirator
GB/T32610-2016: Technical specification of daily protective mask
GB/T19083-2010:Technical requirements for protective face mask for medical use
YY0469-2011:Surgical mask
C. Technical Parameters ofFace Mask Particulate Filtration Efficiency:
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4. TestArea: 100cm2
5. Aerosol:NaCl (optionally with DOP, DEHS, paraffin oil, corn oil)
6. Aerosol Concentration: (12～20)mg/m3 (salt), (50～200)mg/m3 (oil）
7. TestMode: initial efficiency and loading efficiency
8. TestTemperature: (25±5) ℃
9. RelativeHumidity: (30±10)%
10. Dimensions:650×870×1500mm
11. Weight:70kg
12. PowerSupply: AC220V 50Hz
13. CompressedAir: 550 kPa, 198 std. L/min
D. Configuration Table
Name Unit Quantity Memo Aerosol Generator Station Piece 1 Generating salt or oil test aerosol Ion Neutralizer Piece 1 Neutralizing ion Flow Meter Piece 1 Testing airflow Particle Counter Piece 1 Measuring aerosol concentration or counting Salinity Neutralizer Piece 1 Neutralizing salinity Chassis Piece 1 Spray paint Chassis Software Set 1 Controller software Piece 1 Displaying humidity Pressure Gauge Piece 2 Displaying pressure Thermometer Piece 1 Gathering temperature Differential Pressure Sensor Piece 1 Gathering pressure Fixture Piece 1 Fixing objective in placeHygrometer
