Reflex Sensors

In the case of re­flex sen­sors, the emit­ter and the re­cei­ver are lo­ca­ted in the same hou­sing. The emit­ted light is re­flec­ted and re­cor­ded by the ob­ject, the eva­lua­tion is car­ried out ac­cor­ding to the ener­gy prin­ciple or via angle mea­su­re­ment. Ob­jects can be de­tec­ted with or wi­thout de­fi­ned back­ground.