DUNV 4 Universal Controller is used with relay card in industrial applications. In DUNV 4 Universal Controller, according to sensor signal, high and low limit determination function is served. In respect of the determined limits, DUNV 4 automatically calibrates and shows liquid level in 4 digit LED display to control. DUNV 4 serves 4 different set values to the user. In every set value, it produces separate signal digital control signals. These signals trigger the related relays in relay control card in order to let the user do desired processes.

It is widely used in industries for liters and level control applications. Also it can be used as a controller in all applications with the received signals from the sensors.