Sealing test instrument for respiratory valve of medical surgical mask
1, Scope of application
The sealing property of respirator is used to measure the pressure sealing property of medical surgical respirator, N95 respirator and other protective respirators under specified conditions and the single sealing property of respirator.
2, Compliance with standards
YY 0469-2011 technical requirements for medical surgical masks
YY / t0969-2013 disposable medical mask
3, Instrument characteristics
1. High Definition LCD screen.
2. High precision imported digital differential pressure gauge.
3. High precision imported digital flowmeter, high precision of flow control.
4, Technical parameters
1. Measuring range of flowmeter: 0-100l / min, accuracy is 3%
2. Range of digital differential pressure meter: 0-2000pa, accuracy: 1pA
3. Pumping capacity of air pump: ≥ 100L / min.
4. Experimental area: 2.5cm2
4. Boundary dimension: 460 × 1080 × 670mm
5. Power supply: AC220V 50Hz 650W
6. Weight: 35kg