A gas sensor calibration system and method

Abstract

The application discloses a kind of gas sensor calibration system and method, provide a kind of gas sensor calibration system, comprising: sensitive element calibration module, amplification circuit calibration module and whole machine calibration module, wherein: sensitive element calibration module, for based on sample gas to be measured sensitive element is calibrated, obtain the calibration result of to-be-measured sensitive element, and calibration parameter table is generated based on calibration result;Amplification acquisition circuit calibration module, for based on current source to be measured amplification acquisition circuit is calibrated, obtain amplification acquisition circuit calibration result, and amplification acquisition circuit calibration result is stored in sensor control board;Whole machine calibration module, for loading calibration parameter table of calibration sensitive element to sensor control board, based on calibration parameter table and amplification acquisition circuit calibration result determines the calibration result of gas sensor.The embodiment of the application can improve the calibration accuracy of gas sensor by calibrating sensitive element and amplification acquisition circuit respectively.

Images