Combustible Gas Detector Explosion-Proof Natural Gas Gas Methane Gas Alarms, SW-733B

1. Working voltage: 3.7V 2000mAh lithium battery
2. Charging time: about 4-6h
3. Charging specification: Type-C DC 5V 1A
4. Probe light: flashlight/alarm light
5. Standby time: more than 10h (when the flashlight is turned off)
6. Direct reading: real-time concentration reading of the sensor, battery concentration unit, temperature, time
7. Alarm: voice prompt and siren, alarm light (sensor location part), vibration indication alarm, working voltage undervoltage indication
8. Applicable temperature and humidity range: -10 - 40 degrees Celsius, 20% - 95%RH
9. Storage temperature and humidity range: -10 - 50 degrees Celsius, 10%-70%RH
10. Basic error: @5000-9000PPM relative error +/-5%
11. Detection gas: natural gas, liquefied petroleum gas; suitable for artificial and coal gas (main components methane, isobutane, etc.)
12. Range: 0-9999PPM
13. Resolution: 3РPM
14. Warm-up time: 30s
15. Response time (T90): instant response
16. Sampling method: diffusion
17. Alarm value, correction method: two-point on-site correction
18. Display: LCD liquid crystal display with automatic backlighting
19. Alarm setting: low limit alarm 1000PPM, high limit alarm 4000PPM, users can also set it by themselves
20. Explosion-proof mark: Ex ib IB T3 Gb
21. Size: about 17 x 6.6 x 2.85cm, universal fixed tube length about 26cm
22. Weight: about 255g

Features:
1. Can detect a variety of gases: methane, natural gas, hydrogen, coal gas, ethanol can all be detected
2. The sensor has good stability and reproducibility, high output sensitivity for city gas, and fast response speed
3. Type-C charging interface, built-in large-capacity lithium battery provides long-term endurance for long-term detection
4. Rich alarm methods: buzzer, light, vibration, voice, real-time feedback of gas leak detection
5. Probe flashlight lighting, no fear of dark environment
6. High-strength ABS engineering plastic