歐姆龍OMRON光電傳感器E3S-R16General-purposeMiniatureSensorsShortresponsetime:3ms.EasyadjustmentofsensitivityandopticalaxiswithSTABILITYandLIGHTindicators.Wire-selectableoperationmode.Mutualinterferenceprotectivecircuiteliminatescrosstalk(reflectivesensoronly).