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ENI822-3:2009 Laboratory Automated EN 143 Particle filtration efficiency tester (PFE)
Scope of application:
PFE tester is used to detect the filtration efficiency of particulate matter such as daily masks and filters. Factory direct sales, mask inhalation and exhalation filter or filtration efficiency tester automated filter tester.
Standards:
NIOSH 42 CFR 84
EN 149
BS EN143:2000
YY/T 2626-2019 respiratory protection products
ENI822-3:2009
Instrument structure:
Including spray pump, electrostatic neutralizer, cylinder, flowmeter, PLC industrial control system, fan, exhaust gas filter, flow transmitter, differential pressure sensor, touch screen computer, oil mist aerosol generator, salt spray aerosol generator, etc.
Technical Parameters:
Flow range | (20 ～ 100) L / min, accuracy 2% |
Filtration efficiency | (0.001 ～ 99.999)% |
Resistance | 0 ～ 2000Pa, accuracy 2% |
Test area | 100cm² |
Aerosol concentration | (12 ~ 20) mg / m³ (salinity), (50 ~ 200) mg / m³ (oily) |
1. Aerosol: Sodium chloride (optional DOP, DEHS, paraffin oil, corn oil)
2.Test mode: initial efficiency and loading efficiency
3. Gas source: flow 198L / min (0.6Mpa) at 550kPa
4. Test temperature: (25 ± 5) ℃
5. Relative humidity: (30 ± 10)%
6. External dimensions: 950 × 600 × 600mm
7. Weight: 150kg
8. Power source: AC220V 50Hz
EN149 Test Items:
1.Visual inspection
2.walking test
3.work simulation test
4.leakage test
5.flammability
6.carbon dioxide content of the inhalation air
7. strength of attachment of exhalation valve housing
8.breathing resistance
9.clogging
10.penetration of filter material
