MQ-2 sensor equivalent, flammable gas sensor.
It has good sensitivity to propane, smoke &etc in wide range, and has advantages such as long lifespan,
low cost and simple drive circuit &etc.
Main Applications
It i.
of detecting kinds of
flammable gases.
Features
It has good sensitivity to propane, smoke &etc in wide range, and has.
of Sensor Characters
C3H8 Air CH4 Alcohol Smoke
Concentration
Fig3.Typical Sensitivity Curve
The ordinate is resistance ratio of the sensor (Rs/R0), the abscissa is concentration of gases. Rs means resistance in target gas with different concentra.
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