Kbler sendix 50005020 incremental optical encoders shafthollow shaft kubler 8500085220500 an incremental encoder using digital optical technology the encoder has a standard shaft with a flat and has a 500ppr rate the output is via a push pull circuit that is 7272 compatible and 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 ma