The Gefran 600 Series is an advanced 48×48 mm PID temperature controller designed for accurate temperature and process control in industrial applications. It features universal sensor inputs, multiple output configurations (relay, SSR/logic, triac, and analog), heating/cooling control, Auto-Tuning and Self-Tuning functions, up to three configurable alarms, analog retransmission, and optional RS485 Modbus communication. Its flexible configuration and high control accuracy make it ideal for hot runner systems, plastic processing machinery, extrusion lines, packaging equipment, ovens, furnaces, and process automation systems