Dongguan HOOHA Electrical Equipment Company Limited
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Mask particulate filtering efficiency tester (Including air flow resistance tester)
Overview
It is used to detect the filtration efficiency of daily masks, filter materials and other particulate matter. 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, hospital, mask manufacturing enterprises, etc.
Applicable standards
· GB 2626-2019 Respiratory protective equipment, self-priming filter anti-particulate respirator
· GB / T 32610-2016 Technical Specifications of Daily Protective Masks
· GB / T19083-2010 Medical protective mask technical requirements
· YY0469-2011 Medical surgical mask
Technical parameter
| Flow range | (20 ~ 100) L / min, accuracy 2% |
| Filtration efficiency | (0. 001 ~ 99. 999)% |
| resistance | 0 ~ 2000Pa, accuracy 2% |
| Test area | 100cm2 |
| Aerosol | Sodium chloride (optionally with DOP, DEHS, paraffin oil, corn oil) |
| Aerosol concentration | (12 ~ 20) mg / m3 (salty), (50 ~ 200) mg / m3 (oily) |
| Test mode | Initial efficiency and loading efficiency |
| Test temperature | (25 ± 5) ℃ |
| Relative humidity | (30 ± 10)% |
| Dimensions | 950x600x600mm |
| weight | 100kg |
| power supply | AC220V 50Hz |
| Gas source | Flow 198L / min (0.6Mpa) at 550kPa |