In recent years, with the development of science and technology and the process of urbanization in the world, the amount of sewage discharged into the environment is increasing, and the water pollution is serious. At present, the water quality testing of pollution sources and drainage channels throughout the country is still at the manual testing stage, which is difficult to reflect the company and Continuous changes in urban sewage discharge. It is extremely urgent to establish an online detection system for sewage treatment, and it is imperative to improve water quality detection capabilities.
