Equipped with 32-bit, 120 MHz ARM processor, PT-DEMO PID Controller is suitable for investigating use of closed loop and simple on/off temperature control in heating and cooling applications. System features intuitive smart menu flow, panel mounted USB and Ethernet connectivity, alarm indicator, 4–20 mA remote setpoint potentiometer, and pushbutton digital input. With aluminum plate, users can feel temperature response. PT-DEMO operates on 12 Vdc, 2 A non-hazardous power.