Energetic Reflex Sensors

Reflex sen­sors check ob­jects for pre­sen­ce, check stack he­ights or per­form co­un­ting tasks. They are used when ob­jects need to be de­tec­ted without a de­fi­ned backg­ro­und. For this pur­po­se, they use red light or inf­ra­red light ac­cor­ding to the energy prin­cip­le.