A. Overview:
It
is used to test the particulates filtration efficiency of daily face masks and
filter materials, which is applicable to medical device inspection center,
safety protection inspection center, labor protection inspection center, drug
inspection center, disease prevention and control center, textile testing
center, hospitals, mask companies, etc.
B. Applicable Standards:
GB
2626-2019: Respiratory protection—Non-powered air-purifying particle respirator
GB/T
32610-2016: 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 of
Face Mask Particulate Filtration Efficiency:
1. Flow Range: (10～100) L/min, accuracy 2%
2. Filtration Efficiency: (0.001～99.999)%
3. Resistance: 0～2000Pa, accuracy 2%
4. Test
Area: 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. Test
Mode: initial efficiency and loading efficiency
8. Test
Temperature: (25±5) ℃
9. Relative
Humidity: (30±10)%
10. Dimensions:
650×870×1500mm
11. Weight:
70kg
12. Power
Supply: AC220V 50Hz
13. Compressed
Air: 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
|
Hygrometer
|
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 place
|
