... price Product overviewZYT-94 Hot and cold object laser beam detector is a highly sensitive laser-beam detection device, mainly ... , commutation, counting, control. It can substitute for similar foreign detector.Equipment typeZYT-94(N,P,Z) N:NPN P:PNP ... oil mist, mist, dust, etc.)3.Can be stable for long periods, and reliable operation4.Detection distance can be adjusted within 50 meters5.Detector ...