The Eckardt SRD991 ist an intelligent positioner designed for precise control of control valves. It features a multifunction display that provides detailed information about the valve status and process parameters. The positioner offers flexible configuration options through integrated analog and digital inputs and outputs, including a 4-20mA current loop for feedback. This allows for seamless integration into existing process control systems. Suitable for demanding applications in the chemical industry, petrochemicals, and power generation. The SRD991 enables optimized control and improved plant safety.