Automation Systems offers hollow shaft incremental encoders from Metronix, Korea, available in Series H35, H40, H45 and H60 for AC/DC servo motor applications. The bore size available is 6, 8 and 12.7 mm, and the resolution varies from 10 PPR up to 6000 PPR. O/P option available is line driver, open collector, voltage, totem pole 5V DC and 5-24V DC, available in 6 channels and 12 channels. These hollow shaft encoders include features like high resolution, high speed responsibility and easy to attach. Hollow shaft encoders are suitable to replace in-built encoders in the various motors without any modifications. The prices of these encoders are very competitive than indigenous encoders and other international brands available in India.