Absolute multiturn encoders are high-precision devices used in industrial automation and motion control systems. They are manufactured by various global companies, such as Heidenhain (Germany), Sick (Germany), and Pepperl+Fuchs (Germany). These encoders provide accurate position feedback even after multiple rotations, making them essential in robotics, CNC machinery, and wind energy applications. Key products include optical and magnetic encoders with robust designs for harsh environments.