This device is used to manage the operation of the purification system automatically on a relatively small scale. This system has automatic testing, operational testing, status control, screen, touch control, indicator lamp and similar functions. This controller provides automatic system management and online review without the help of human resources and is able to work with all pure water production equipment and seawater reverse osmosis devices. It is also used for desalination plants, which show its hardness by analyzing the electrical conductivity of water, as well as the task of controlling and displaying the normal condition or error of all parts of industrial water purifiers such as pumps and pressure switches. Is in charge.