Retro-reflective photoelectric sensors

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In this area you will find a wide range of sensors that function according to the reflection principle including special sensors for the detection of transparent media, sensors for extremely small components or for combination with a polished, metallic surface as reflector.

PRK 3B / PRK 3C - Standard models (LED and laser)

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Powerful retro-reflective photoelectric sensor with high function reserve in compact housing, also as autocollimation type and laser version for small objects.

  • Reliable object detection with small, mis-adjusted reflectors
  • Reliable object detection with large range
  • Reliable object detection with heavy soiling
  • Positioning with high accuracy
  • Short range with foil reflectors
  • Autocollimation principle for use at zero distance

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PRK 3B.42 / PRK 3C.T - Optimized for transparent objects

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Compact retro-reflective photoelectric sensor optimized for transparent objects (film, PET, glass) with special functions for applications in this area. Also as a laser design.

  • Particularly suited for highly transparent PET and glass bottles as well as films
  • Easy adjustment via lockable teach button or teach input
  • Tracking function for sensitivity readjustment and contamination compensation

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RKR 3B.x1 - Metallic background as an alternative to a reflector

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For applications in which no reflector can be mounted, this photoelectric sensor is especially well suited for switching on a metallic background as an alternative to a reflector.

  • Sensor with unpolarized red light for switching on a polished metal plate as reflector
  • Extra large light spot for high angle tolerance

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