The ZE08K-CH2O-Z5C-U-5P electrochemical formaldehyde module is a general-purpose, miniaturized module. It utilizes electrochemical principles to detect CH2O in the air, exhibiting good selectivity and stability. It also features digital output for ease of use. The ZE08K-CH2O-Z5C-U-5P is a general-purpose gas module designed and manufactured by tightly integrating mature electrochemical detection technology with sophisticated circuit design.