Leuze Diffuse Sensor Leuze Polarized retro-reflective photoelectric sensor, Model: PRK 96K/P-1360-21 (50025163) Leuze IS 118 MM/4NO-8E0. Inductive switch 50129856 Leuze HT3CL1/4P-M8: Diffuse Sensor with Background Suppression 50129391