The Shinko GMC-321 is a versatile and high-performance digital indicating controller designed for precise process and temperature control in various industrial applications. Equipped with a multi-input capability, it can accept signals from thermocouples, RTDs, and DC voltage/current sources, making it highly adaptable to different sensors. The unit features a clear, dual 4-digit display for simultaneous monitoring of the process value (PV) and set value (SV). Its advanced PID control algorithm with auto-tuning (AT) ensures stable and accurate regulation, optimizing system efficiency. The GMC-321 is an ideal solution for managing temperature, pressure, and flow in manufacturing, packaging, and heat-treatment processes.