MINI-EYE miniature waterproof photoelectric sensors from
Tri-Tronics Co. Inc., Tampa, FL, are available in throughbeam, retroreflective, and proximity models. Enclosed in high-impact plastic housings for use in hostile environments, the sensors are offered with either IR or red LED light sources and NPN or PNP output transistors. They are immune to indirect ambient light and strobes and perform object detection such as web break detection, counting, inspection, and orientation.
