The Encoder Products DR21R-04 is a robust and reliable rotary encoder designed for precise rotational measurement in industrial applications. Featuring a compact 1-inch diameter, this encoder excels in delivering accurate position and speed feedback for machinery, automation, and robotics. Its durable construction ensures longevity and dependable performance even in challenging environments. The DR21R-04 offers flexible mounting options and high-resolution output, making it ideal for enhancing system control and efficiency. Optimize your equipment's performance with the Encoder Products DR21R-04, engineered for accuracy and durability in demanding applications.