ELTRA EH80P1024S5L15X3PR Hollow shaft incremental Encoder. Several output types available. Size: 80mm. Through hollow shaft. Resolution: 1024ppr. Without zero pulse. Power Supply: 5 V DC. Output type for incremental signals: LINE DRIVER. Bore diameter: 15mm. Enclosure rating: IP54. Max rotation speed: 3000rpm. Radial Output. Series is recommended for AC servomotor of feedback systems.