ELTRA EL90A1000S5/28P1053MR Solid Shaft Incremental encoder. Encoder Size: 90 mm. Without zero pulse. Diameter of synchronous flange: 40 mm. 1000 ppr Resolution. 5 - 28 VDC Power Supply. Push-Pull Shaft size: 10mm. Protection: IP 54. Rotation speed (max): 3000 rpm. M connector output. Radial Type. Series for harsh environments.