New RESR rotary encoders from Renishaw provide an easy-to-mount, versatile and reliable solution to high-resolution, high-accuracy angular positioning. The encoders' low-mass, low-inertia design provides accuracy to +/- 0.5 arc second, up to 129.6 million counts per revolution, and speeds to more than 2900 rpm with zero backlash. An innovative one-piece design features a low-profile ring with an integral scale and large through hole. The non-contact optical encoders can be installed in some of the most demanding positioning applications, including optics diamond-turning and precision grinding and polishing equipment.

For more information, call (847) 286-9953, fax (847) 286-9974 or visit http://www.renishaw.com .