The CH4 (Methane) Gas Sensor is used in gas detection equipment for detecting Methane in home, automotive or industrial settings. This line of sensors can be interfaced with any of the Parallax microcontrollers, and would be a good addition to any projects needing to sense the presence of Methane. Manufacturer datasheet below has more information and circuit recommendations.
Manufacturer Model MQ-2
Wide detecting scope
Stable and long life
Simple drive circuit
Fast response and high sensitivity
Power requirements: 5 VDC @ ~160mA
Interface Type: Resistive
Dimensions: 0.75" diameter x 0.65" tall excluding leads (19.1mm diameter x 16.55mm tall excluding leads)
Operating temp range: -4 to +122 °F (-20 to +50 °C)
Note: Please see the manufacturer datasheet below for more information and circuit recommendations.