Finna Sensors OMNIR on-line near infrared sensor | PetfoodIndustry.com
Amazon.com: Infrared IR Sensor Alarm, Beam Detector Sensor for Perimeter Protection Outdoor Security System : Electronics
Allen-Bradley PHOTOSWITCH® 42CB-D1LPAL-M4 High Speed Photoelectric Sensor, Cylindrical Shape, 11.8 to 39.3 in Sensing, 880 nm Infrared Sensing Beam, 500 us Response Time, PNP Output | SMC Electric