歐姆龍OMRON光電傳感器E3S-LS3NT放大器內(nèi)置 General-purposeMiniatureSensorsShortresponsetime:3ms.EasyadjustmentofsensitivityandopticalaxiswithSTABILITYandLIGHTindicators.Wire-selectableoperationmode.Mutualinterferenceprotectivecircuiteliminatescrosstalk(reflectivesensoronly).