Two-channel electrochemical gas detection circuit

The utility model discloses a two-channel electrochemical gas detection circuit, and belongs to the technical field related to electrochemical gas detection. The device comprises a dual-channel gas detection module, a high-precision power supply module connected with the dual-channel gas detection module, a digital rheostat module connected with the dual-channel gas detection module, and an analog-to-digital conversion module connected with the digital rheostat module and the dual-channel gas detection module, the problems that a common gas detector is single in detection variety, low in signal transmission speed, prone to being interfered, multiple in input card variety and large in number, a large number of cables and bridges need to be laid, signal attenuation and time delay exist and the like are solved, and a traditional gas detection control networking mode is changed. 本实用新型公开了一种双通道电化学气体检测电路，属于电化学气体检测相关技术领域，其包括双通道气体检测模块、与所述双通道气体检测模块相互连接的高精度电源模块、与所述双通道气体检测模块相互连接的数字变阻器模块、与所述数字变阻器模块和所述双通道气体检测模块相互连接的模数转换模块、