This smart digital display serves to display the electronic resistance thermometer (Pt100 or Pt1000) in a two-wire circuit. Other functions are limit value monitoring, min./max. value storage, hold function and tare function. The device is equipped with 2 relays (change-over and normally-open). The device is characterized by a simple, clearly structured operation with text supported in the national languages German, English, French and Spanish. Process values, texts and parameters are displayed in two 18-segment LCD displays. Additional display elements inform about the switching positions of the outputs, timer status and the temperature unit. Print terminals with push-in technology enables a fast electrical installation. Operation, parameterization and configuration is performed by means of a membrane keypad with four keys. The device can be comfortably configured with a PC through the help of setup program. During configuration via the USB interface no separate power supply is requir