The M18 retro-reflective sensor OGP300 - OGP-DPKG/US from ifm has a polarisation filter, dark-on mode, and a range of 0.03-4 m. Thanks to the fixed setting, easy set-up is ensured. The retro-reflective sensor OGP300 - OGP-DPKG/US is of tested quality, confirmed by the ECOLAB certificate. Because of the robust stainless steel housing, the optimum sealing concept IP67/IP68/IP69K, and a PMMA plastic lens, the receiver of the retro-reflective sensor OGP300 - OGP-DPKG/US with M12 connector is suitable for applications in hygienic and wet areas in the food industry.