... control 3)Relay,SSR,SCR output 4)CE KH103 is Intelligent PID Process Controller used the advanced SMT technology, Modular ... 240VAC, 24VDC power supply optionDual windows, Four digit, 7 segment LED displayControl way: On-off, manual and PID controlPID self-tuning ... PID process controller, Program process controller,temperature controller. Kehao: Universal Intelligent Digital PID Process Controller