HK-338 conductivity analyzer is a new online instrument launched by Beijing Huake Instrument Co., Ltd. It takes advantage of the strong technical advantages of the institute, fully summarizes the institute's ten years of on-site experience, learns and digests foreign advanced technology, and powerfully launches a new generation of instruments. It can be widely used in the fields of electric power and petrochemical industry, mainly for continuous monitoring of the conductivity values of water samples in the production process. It has the characteristics of fast response, accurate measurement and easy operation.