OR18.RR Series Retro-Reflective Sensors Baumer OR18.RR diffuse retro-reflective sensors offer a high sensing distance LED light source in a robust compact design. The robust and resistant housing provides effective and reliable use in industrial environments. OR18 sensors combine functionality with simple and reliable handling for demanding applications in the packaging, installation and handling technology industries. Feature and Benefits M18 ABS housing LED Light source Sensitivity adjustable via potentiometer Sensing range up to 3.5 m Compact design IP67 Rated