The GRAYHILL part 62A11-02-050S is an optical encoder that provides precise rotational position feedback. It is a rotary incremental encoder with a flat profile, making it suitable for space-constrained applications. The encoder has a straight digital square wave output and is designed for panel mounting. With a resolution of 8 counts per revolution (CPR) and a torque rating of 2oz.in, this encoder offers accurate and reliable performance. It comes with an 8CPR cable for easy installation and connectivity.