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MQ 4 GAS Sensor is suitable for sensing natural gas, Methane (CH4). MQ 4 gas sensor is composed of micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a crust made by plastic and stainless steel net. The heater provides necessary work conditions for work of sensitive components. The enveloped MQ – 4 has 6 pin, 4 of them are used to fetch signals, and other 2 are used for providing heating current. This MQ4 Gas sensor is suitable for detecting Natural Gas concentration. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on Natural Gas concentration.

Features of MQ 4 GAS Sensor:-

High sensitivity to Methane(CH4), Natural Gas.

Fast response and High sensitivity

Stable and long life.

Simple drive circuit.


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