The QS18 series of opposed mode sensors from Turck Banner consist of a separate emitter and receiver. These sensors should be installed directly opposite each other so that the light from the emitter is aimed directly at the receiver.
LED visible from all sides
Reliable detection of opaque objects
Excellent contrast between light and dark conditions
Allows operation over larger distances and under difficult conditions
M12 x 1 connectorlaser class 1
Laser radiation is harmful to the human eye and under no circumstances should the laser beam be viewed directly or via optical instruments.