MQ4 - Methane (CNG) Natural Gas Sensor Module A7860 we can easily adjust the

we can easily adjust the sensitivity of MQ-2

Resistance 20kΩ (203) Turn 270° Tolerance 10% Number of Pins 3 Power 500mW Dimension 9

and many other places

recovers automatically after fault condition is removed Working Temperature -25°C to 70°C Working Humidity 20~90% RH Dimensions(L*W*H) 129*98*38mmmm

MQ4 - Methane (CNG) Natural Gas Sensor Module A7860 we can easily adjust theThis MQ4 Methane Gas sensor module can sense the presence of compressed Natural Gas sensors (CNG), methane(CH4) etc. in the air. This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. It requires no external components just plug in Vcc & ground pins and you are ready to go. It is small sensitive to alcohol and smoke. Specification Module MQ 4 Output Type Both Analog and Digital IC Chip LM393 Operating