The QM Series of IP57-rated photoelectric sensors is available in three-wire NPN or PNP styles and with visible red and infrared versions. The mini-rectangular photo eye sensors are constructed with plastic housings and feature either an attached two-meter output cable or an M8 quick-disconnect connector. The series includes diffuse, diffuse with background suppression, retroreflective, retroreflective for transparent objects, and through-beam styles. All retroreflective models include one rectangular reflector; through-beam models are sold as an emitter and receiver pair. In addition, all models include a selectable light-on/dark-on output setting. Select models are fitted with a potentiometer for setting switchpoint distance. Backed by a one-year warranty, the devices are cULus-, CE-, and RoHS-approved.
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