Hydrogen Sulfide Gas Meter O2 CO H20 LEL Alarm SMART SENSOR 4 IN 1

Australian supplier, 1 to 3 days delivery in Australia if needed !! The SMART SENSOR ST8904  Detects 4 kinds of gas: 1.Carbon Monoxide(CO), Hydrogen Sulfide (H2S), Oxygen(O2) and Combustible Gas(LEL). 2.Continuously monitor the CO, H2S, O2 and LEL gas concentration in the surrounding environment with professional and accurate measurement. 3.Sound & light vibration alarm works when one of the CO, H2S, O2 & LEL gas concentration reaches the level of the alarm. 4.Can set automatic shutdown time and concentration of alarm value. 5.Large colour LCD display with backlight for easy reading. 6.Can connect to a sampling pump to operate in closed place. 7.Can be widely used in shipping, mining, oil exploitation, chemical, gas pipeline, tunnel construction, coal, metallurgy, paper, fire, municipal, textile and other industries.     Specification 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)   Package content 1*Multi-Gas meter 1*Instruction manual 1*USB cable 1*Cloth bag