The BEI Sensors/Sensata part 01072-271 is an Incremental Hollow Shaft Encoder with a 2.5" diameter, specifically designed for high-precision motion control applications. This encoder offers unmatched performance and reliability, providing accurate and consistent feedback for systems requiring precise speed control and position determination. With its hollow shaft design, it allows for easy integration into existing shaft assemblies, saving time and effort during installation. The Express-H25 model boasts advanced features including exceptional resolution, durability, and a compact form factor, making it an ideal choice for a wide range of industrial automation and robotics applications.