Laboratory Automated EN 149 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
YY/T 2626-2019 respiratory protection products
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. Test temperature: (25 ± 5) ℃
4. Relative humidity: (30 ± 10)%
5. External dimensions: 950 × 600 × 600mm
6. Weight: 100kg
7. Power source: AC220V 50Hz
8. Gas source: flow 198L / min (0.6Mpa) at 550kPa
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