Circulating Chiller is routine cooling equipment used within the laboratory and industry offering a temperature range of -50 ℃ to 30 ℃. Featured with multifunctional controller, controlling the temperature. It is equipped with RS 485 Interface and 7-inch color touch screen with temperature curve record and excel-format export. Featured with safety devices for freezer overload protection, high-pressure switch, overload relay and thermal protection device etc.