ELTRA EL88P500Z5/28P35X3PR2 Hollow shaft incremental encoders. Motor Series. Size: 88mm. Through hollow shaft with spring Resolution: 500ppr. With zero pulse. Power supply: 5 - 28 V DC. Output type for incremental signals: push-pull. Bore diameter: 35 mm. Enclosure rating: IP54. Max rotation speed: 3000rpm. Output type: radial cable output with cable gland (standard length 0,5 m) Series is recommended for AC servomotor feedback systems.