AutomationDirect's 24 VDC powered Solo process/temperature controllers are powerful process tools offering flexibility and simplicity. Available in four standard DIN sizes, these single-loop units are equipped with a dual four-digit, seven-segment display, and offer dual output control, making them suitable for managing heating and cooling processes. The built-in autotune function with PID control feature allows for fast and easy startups. Flexible control modes include PID, ramp/soak, on/off and manual operation. Prices start at $89.