ELTRA EH80P512Z5/28P8X3PR Hollow shaft incremental Encoder. Several output types available. Size: 80mm. Through hollow shaft. Resolution: 512ppr. With zero pulse. Power Supply: 5 - 28 V DC. Output type for incremental signals: push-pull. Bore diameter: 8mm. Enclosure rating: IP54. Max rotation speed: 3000rpm. Radial Output. Series is recommended for AC servomotor of feedback systems.