MQ-2 gas sensor using gas sensitive material is to be clean air in the lower conductivity of stannic Oxide or tin oxide (SnO2). When the sensor when flammable gases are present in the environment in which the conductivity of the sensor with an increasing concentration of combustible gas in the air increases.
Application
The domestic gas leakage detector
Industrial Combustible gas detector
Portable gas detector
Features
Good sensitivity to Combustible gas in a wide range
High sensitivity to LPG, Propane, and Hydrogen
Long life and low cost
Simple drive circuit
Can be used as a digital or analog sensor
The Sensitivity of the Digital pin can be varied using the potentiometer
Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO, and even methane
Specification
| Operating Voltage (VDC) | 5 |
| Analog Output Voltage | 0V to 5V |
| Digital Output Voltage | 0V or 5V (TTL Logic) |
| Preheat Duration(sec) | 20 |
| Dimensions in mm (LxWxH) | 36x20x21 |
| Weight (gm) | 8 |
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