The BEI Sensors/Sensata part 01012-130 is a high-quality, durable incremental rotary encoder with a 2.5-inch diameter. This encoder is designed to accurately measure and track rotational movement in industrial applications. With its compact size and reliable performance, it is suitable for various positioning and feedback control systems. The encoder provides precise and consistent readings, making it an excellent choice for applications that require precise motion control, such as robotics, CNC machinery, and automation systems. Its sturdy construction ensures durability even in demanding environments, ensuring long-term performance and reliability.