Leuze electronic lsr 2 miniature throughbeam photoelectric sensors tx and rx leuze electronic 50112128 this miniature throughbeam photoelectric sensor transmitter uses a homogenous highly visible red led light spot for precise detection and easy set up the sensor has a miniature temperature stable housing that is ip67 protected and has two inlaid metal fastening sleeves for secure mounting for a suitable receiver see 64 3811 leuze electronic 50112128 lssr 2 150 s8 throughbeam photoelect