Carlo Gavazzi Retroreflective Photoelectric Sensor, Miniature Sensor, 6 m Detection Range

Miniature sensor range
Sensing range: 6 m
Sensitivity adjustment by potentiometer
Modulated, infrared light 850 nm
Supply voltage: 10 to 30 VDC
Output: 100 mA, NPN or PNP preset
Make and break switching function
LED indication for output, stability and power ON
Protection: reverse polarity, short circuit and transients
Cable and plug versions
Excellent EMC performance
The invisible infrared light beam makes it easy to hide the sensor to avoid vandalism

Detects presence or absence of objects that cut off the light from the emitter
Detects all opaque objects very reliably