At Gurley Precision Instruments, measurement is our business. GPI was one of the first companies to develop the chrome-on-glass process necessary to manufacture optical encoder discs, and has since been a significant prov......At Gurley Precision Instruments, measurement is our business. GPI was one of the first companies to develop the chrome-on-glass process necessary to manufacture optical encoder discs, and has since been a significant provider of optical encoders, optographic products and related devices. This tradition and commitment to measuring excellence is still very much alive today - as we offer as many standard and custom encoder options as any company in the business. Incremental, absolute and Gurleys own Virtual Absolute technologies in enclosed and modular rotary and linear configurations - each is available in prototype and OEM quantities. Industries that have benefited from Gurley Encoders include: Precision In Air, On Land and Sea - general aviation and defense industries Precision on the Factory Floor - position, speed and direction in a wide variety of industrial processes from the slow and simple to the high speed and complex Bringing the Electronic Image to Hand - high performance for the printing and graphic arts industries A Common Denominator in Instrumentation - measuring instrumentation includes products such as dynamometers, gear checkers, torque testers, coordinate measuring machines (CMMs) and cam profilers Increasing Machine Tool and Robotics Productivity - Gurley encoders are designed to handle harsh environments while delivering undiminished performance Tracking and Positioning in the Sky - radio and optical telescopes, radar pedestals, tracking mounts and communication antennas At The Heart of Medical Diagnostics - Gurleys high-reliability encoders are essential in scanning instruments for MRI, x-ray and nuclear imaging systems, as well as fluid analysis devices Gurley is an ISO 9001 certified company.