The IME18-12NPSZW2S is a part from Sick, a German company that manufactures sensors, safety systems, and automatic identification products. This particular part is an inductive incremental encoder. It is a non-contact sensing device for measuring movement with a magnet-free mechanical sine-wave coding system. It has a 12mm Housing Diameter, a 5-pin connector, a NPN Output Type, and a 2 Meter Cable Length. This encoder is designed for use in industrial applications, robotics, and automation control.