An incremental rotary encoder is a type of electromechanical device that converts the angular motion or position of a rotary shaft into analog or digital code that represents that motion or position . An incremental rotary encoder is also known as a quadrature encoder. Specification: Certification: CCC Certification: CE Switch Type: Knob switch Model Number: E6C2-CWZ1X Features: Rotary Encoder Item Type: Switches Package includes: 1 x 2500PPR OMRON Incremental Rotary Encoder E6C2-CWZ1X