Sensitive material of MQ-2 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, the sensor’s conductivity is more higher along with the gas concentration rising.
- size: 32mm x 22mm x 27mm/ 1.26” x 0.86” x 1.06”
- Main Chip: The LM393, ZYMQ – 2 Gas Sensor
- Working Voltage: DC 5 V
- Great for home or factory gas leakage detection
- Use for Detecting: Combustible gas such as LPG, butane, methane, alcohol, propane, hydrogen, smoke, etc