用于箱式线水平输送检测，反射镜安装在箱式线一端机架上，光电安装件组件安装在箱式线另一端机架上，相互配合，光电品牌型号根据项目需求进行选择。

t is used for horizontal conveying detection online.Reflector isinstalled on end of one sideprofile,and photo-electric installationcomponentisfixed on the endofanotherside profile.Both coordi-nate with each other.It can select photo-electric brand and modelas per the project demand.