Through-Beam Self-Contained Photoelectric sensors TM12 Emitter PDFTM15 Emitter PDFRC12PNP Receiver - Range 6m PDFRC12NPN Receiver - Range 6m PDFRC15PNP Receiver - Range 6m PDFRC15NPN Receiver - Range 6m PDFFE766AB Emitter PDFFE765A Receiver - Range 15m PDFFE765B Receiver - Range 60m PDF