Diffuse sensors with background suppression

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These sensors are suited for the reliable detection of objects against a background. Available in a variety of special designs, the 3B series offers robust and efficient solutions, even for tricky applications such as the detection of objects with colored structure, objects with openings or highly polished surfaces.

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

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Diffuse sensor with powerful background suppression for reliable object detection on nearly any background with visible and infrared light. Laser version available for high-precision positioning applications.

  • Exact range adjustment through 8-turn potentiometer
  • Also available with infrared light
  • Especially designed for the detection of fast events and small parts
  • For applications with high demands on positioning and reproducibility
  • Extended detection range with very good b/w ratio as laser type

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HRTR 3B / HT 3C - Extra large and small light spots

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Sensors for demanding detection, e.g. for perforated objects or for detecting through bore holes with special light-spot geometry - optimized for the highest reliability in corresponding applications.

  • XL light spot especially designed for the detection of objects with openings, holes and grooves
  • Also for detecting transparent films and bottles
  • Small, homogeneous light spot (S) by means of pin-point LED
  • Exact range adjustment through 8-turn potentiometer

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HRTR 3B.V / HT 3C.V - Optimized for high-gloss and polished objects

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Special sensor with V-optics for the reliable detection of planar, reflecting, highly polished or transparent objects.

  • For the reliable detection of flat, reflective or highly glossy surfaces
  • Also suited for transparent objects

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