The gas detector can continuously and quickly detect the gas concentration in the surrounding environment or a closed space. The instrument has the advantages of fast response speed, high measurement accuracy, good stability and repeatability, and the overall performance of the instrument ranks among the leading domestic levels. The instrument casing is made of high-strength engineering plastics, and its shape design and dazzling color matching redefine the detection method of gas concentration. In addition, the friendly operation interface and misoperation recovery function bring users a new type of intelligent gas detector. experience.