Leuze-Electronic-PRK-3B-St&-Retroreflective-Photoelectric-Sensor-Pol-Filt-Leuze-Electronic-50104694-A-standard-retroreflective-photoelectric-sensor-with-a-polarisation-filter-that-means-objects-with-glossy-surfaces-can-be-easily-&-reliably-detected-A-high-switching-frequency-enables-the-detection-of-fast-events-&-A-sup 2-LS-Active-Ambient-Light-Suppression-improves-performance-by-eliminating-light-interference-Fast-&-easy-alignment-of-the-sensor-is-possible-using-b-i-bright Vis