YY/T 2626-2019 Mask Filtering Performance Test Bench
Scope of application:
It is used to detect the filtration efficiency of particulate matter such as daily masks and filters.
Standards:
YY/T 2626-2019 respiratory protection products
GB / T 32610-2016 Technical Specifications for Daily Protective Masks
GB / T19083-2010 technical requirements for medical protective masks
YY0469-2011 medical surgical mask
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
