Leuze-HRTR-46B-Diffuse-Reflection-Light-Sensor-Background-Suppression-Leuze-Electronic-50106555-A-diffuse-reflection-light-sensor-using-a-visible-red-light-as-the-LED-source-A-multiturn-potentiometer-allows-precise-adjustment-of-the-wide-sensing-range-&-performance-is-enhanced-by-background-suppression-&-A-sup 2-LS-Active-Ambient-Light-Suppression-Excellent-detection-of-surfaces-from-light-to-dark-as-well-as-inclined-or-sloped-surfaces-Leuze-Electronic-50106555-HRTR-46B-66-S12-Light-S