The new technology was developed for methane sensor: the process of dynamic matching for the catalytic component and the compensating component, new measuring circuit and the automatic adjustment for the sensibility of the sensor.

Through the studying of the dynamic matching of catalytic components the consistence of two components of the sensor is increased and the zero-drift is decreased.

Using this new measuring method the stability of sensibility of the sensor can be improved. Basis of the researching on the automatic adjustment of the sensor the automation process and its reliability of the methane monitor can be carried out.

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