1. Cylinder material: carbon fiber composite cylinder

2. Cylinder volume: 3L

3. Cylinder working pressure: ≤30Mpa

4. Alarm pressure: 5.5±0.5Mpa

5. Alarm sound intensity: >90db

6. Gas storage capacity: 900L

7. Static pressure in the mask cavity: <500Pa

8. Maximum air flow: 500L/min

9. Inhalation resistance: <500Pa

10. Exhalation resistance (40 times/min): <1000Pa

11. Machine weight (without gas): <8kg

12. Operating temperature: -30℃~60℃

13. Use time: about 20min