Mask Exhalation Valve Air Tightness Tester Standard:
NIOSH 42CFR 84, GB 2626-2019
Mask Exhalation Valve Air Tightness Tester Specifications:
| Item | Technical Parameter |
| Air resource | Compressed air |
| Vacuum pumping rate | About 2 L/min |
| Buffer container capacity | At least 5 L |
| Pressure sensor range | -1000Pa – 0Pa, accurate to 1%，resolution 1Pa |
| Flowmeter range | 0 – 100 mL/min, accurate to 1%，resolution 0.1 mL/min |
| Display way | touch screen |
| Power Supply | 220V，50Hz |
Mask Exhalation Valve Air Tightness Tester Features:
- Equipped with a special sample grip, easy to use.
- Built-in HD touch display.
- Built-in micro printer, easy to print test results.
- Equipped with a high-precision differential pressure sensor, digital display of sample leakage, and current test pressure.
- Equipped with high-precision gas flow control, real-time digital display of airflow to stably control airflow, manually setting available.
- Equipped with a high-precision vacuum pump to accurately control vacuum pressure.GB-HQ1000 Medical Mask Exhalation Valve Air Tightness Tester
