Telemecanique-XU-Photoelectric-Sensor-Packaging-Colour-Mark-Reader-Compact-Telemecanique-XURK1KSMM12-A-photoelectric-sensor-from-the-XU-series-that-is-designed-for-use-in-packaging-applications-being-able-to-detect-reference-marks-contrasting-colours-&-markings-on-packaging-printing-labelling-machines-etc-br-br-The-sensor-operates-by-the-diffuse-system-detecting-an-IR-beam-return-from-detected-objects-giving-an-accurate-&-high-quality-sensing-system-Maximum-range-is-9mm