Kbler sendix 50005020 incremental optical encoders shafthollow shaft kubler 8502028425000 an incremental encoder using digital optical technology the encoder has a hollow shaft and has a 5000ppr rate the output is via a push pull circuit that has an inverted signal the device has been constructed with a safety lock design that gives high resistance against vibration and installation errors the rugged housing and wide operating temperature range makes this encoder suitable for use in