1. Cylinder material: carbon fiber composite cylinder
2. Cylinder volume: 6.8L
3. Cylinder working pressure: ≤30Mpa
4. Alarm pressure: 5.5±0.5Mpa
5. Alarm sound intensity: >90db
6. Gas storage capacity: 2040L
7. Static pressure in the mask cavity: ≤500Pa
8. Maximum air flow: 1000L/min
9. Inhalation resistance: <500Pa
10. Exhalation resistance (25 times/min): ≤700pa
10. Exhalation resistance (40 times/min): <1000Pa
11. Machine weight (without gas): ≤11.3kg
12. Operating temperature: -30℃~60℃
13. Use time: about 65min