Designed for difficult distance-based applications over range of 25–300 mm, Model Q4X detects distance changes as small as 1 mm on targets such as black objects on black backgrounds or reflective items. High excess gain and 64-element imager combine to minimize errors in detection, counting, and validating orientation. Supplied in IP67, IP68, and IP69K rated stainless steel housing, sensor has angled 4-digit, 7-segment LED display and provides bipolar outputs.