Detailed Product Description omron sensor E3T-ST12 2MSensing method :Side-view, through-beamStandard sensing object: Opaque, 2-mm dia. min.Standard sensing object: Opaque, 2-mm dia. min.Minimum detectable object (typical) :2-mm dia opaque object.Directional angle Emitter: 2° to 20°;Receiver: 2° to 70°.Light source (wavelength): Red LED (Pin-point LED) λ = 650 nmPower supply voltage :12 to 24 VDC ...