The ZE03 electrochemical module is a high-performance, versatile electrochemical module series. It employs a three-electrode electrochemical gas sensor and a high-performance microprocessor, allowing for the measurement of corresponding gases by integrating different gas sensors. An integrated temperature sensor provides temperature compensation, enabling accurate measurement of gas concentrations in the environment. It features both digital and analog voltage outputs for user convenience and ease of debugging, significantly shortening the user's design and development cycle. It perfectly combines electrochemical sensors and circuitry to meet customer needs in various gas detection applications.