Pepperl + Fuchs Background Suppression Photoelectric Sensor, Block Sensor, 20 mm → 2 m Detection Range

The RL28 infrared photoelectric sensors can detect objects regardless of their structure, brightness or colour as well as the brightness of the background making them ideal for use in many applications.

Ultra bright LEDs for power on and switching state
Minimal black/white difference through the infrared transmission LED
Light/dark on switchable
Short-circuit and reverse polarity protected