The BEI Sensors/Sensata part 01002-5171 is a high-quality incremental rotary encoder designed with a 2.5 diameter. It is a versatile and reliable device that provides precise and accurate measurement of rotational motion. This encoder offers increased position accuracy by generating a series of pulses that can be used to determine the speed, direction, and position of a rotating object. With its compact size and durable construction, it is suitable for a wide range of applications in various industries, including manufacturing, robotics, automation, and more. The BEI Sensors/Sensata part 01002-5171 is an ideal choice for those seeking a dependable and efficient solution for their rotary encoding needs.