ST8904 Multi-Gas Detector (H2s, O2, CO, LEL)

1. Carbon Monoxide(CO): 0-999pm;Resolution: 1ppm

2. Hydrogen Sulfide(H2S): 0-500ppm;Resolution: 1ppm

3. Oxygen(O2): 0-30%;0.1%

4. Combustible Gas(LEL): 0-100%;1%

5. Operation current: 230mA

6. Operation voltage: 3.7V

7. Battery type(include): BL-9C Rechargeable battery

8. Operation humidity: 15%-95%

9. Storage temperature: 0-40°C

10. Short circuit current: ≤3A

11. Maximum open circuit voltage: ≤4.2V

12. Display Type: Segment type LCD

13. Operation temperature: -10°C-50°C

14. Battery working runtime: 6 hours(no alarm)

15. Detection Gas: Carbon Monoxide(CO, Hydrogen Sulfide(H2S), Oxygen(O2), Combustible Gas(LEL)