... and Receive Sensing Distance 15M Omron E3Z-T81 THRU BEAM PNP Photoelectric SensorSeperate Send and ... T81, 0.5M,E3Z-T81-D, 2M,E3Z-T81-L, 2M,E3Z-T81-M1J,E3Z-T81-M1J-1, 0.3M,E3Z-T81 ... Wired Type , Sensing Distance 15m , PNP Transistor OutputE3Z-T81 2M Through-Beam Type , Pre-Wired Type , Sensing ... Distance 15m , PNP Transistor OutputE3Z-T81 5M Through-Beam Type , Pre-Wired Type , ...