Size: 96×96 mm, 92 mm depth Polyester front panel, scratch proof (IP65) Display for input or set point, with 20mm digits Programmable input keyboard, for thermocouple or PT100 RTD (°C or °F) Led bar deviation meter Main outputs control action may be programmed ON/OFF or PID type Autotuning for the automatic calculation of optimum PID parameter values Auxiliary alarm with 8A/250V relay, with programmable operation logic Parameters and configuration values stored in non volatile memory Lockable keyboard to protect against unauthorized access