The ZE12A electrochemical module is designed primarily for atmospheric monitoring applications. It utilizes electrochemical sensors to detect gases such as CO, SO2, NO2, and O3 in the air, offering excellent selectivity and stability. The module features an integrated temperature sensor for temperature compensation, as well as both digital and analog voltage outputs for ease of use. By combining mature electrochemical detection technology with sophisticated circuit design, the ZE12A serves as a versatile, general-purpose gas monitoring module.