High resolution. Limited space. Not a problem for our latest miniature encoders that provides precise feedback and is easy to install within smaller-sized applications. Now available in 400 and 500 CPRs. Coming in at about the size of a nickel, we've added our proprietary Opto-ASIC sensor technology and improved quadrature for even greater motion control. Product Features: 10 resolutions up to 360 CPR, plus new 400 and 500 CPR resolution; 288 configurations available, including single and differential output; Compact form factor • 0.866 inch (in) / 22.00 millimeter (mm) package outside diameter • 0.446 in / 11.33 mm package height • Fits NEMA 8, 11, 14 and 17 motors; Simple and efficient assembly process • Four-piece construction • Push-on hub disk design, patent pending; 100 kilohertz frequency response; Shafted version up to 0.25 in / 6.25 mm diameter.