Leuze electronic lsr46b throughbeam photoelectric sensors tx amp rx align ind leuze electronic 50108532 throughbeam photoelectric sensor receiver that features a long operational range as well as brightvision and alignment indicator for fast precise alignment the receiver outputs a complementary push pull switching signal when used with the matching transmitter 64 3790 transmitter and receiver form a light axis that is suitable for a wide range of applications leuze electronic 5010