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Banner Q26 Clear Object Sensor

October, 2017 | Lindsey Shepard

Sensor solution for clear object detection applications. The Q26 cannot be tricked by mirror-like surfaces and has precise leading edge detection.

  • Clear, transparent objects reliably detected
  • Polarized retro coaxial optical design enables detection of mirror-like surfaces allows sensor and reflector to operate at very short distances enables very precise leading edge detection
  • Light Operate/Dark Operate (LO/DO) switch, compact housing
  • Quick and easy adjustment of sensitivity with single-turn potentiometer
  • Compact housing fits in tight locations and 20mm mounting hole spacing enables quick mechanical installation

Application Note:

Transparent Glass Bottle, Vial, or Plate Detection

Application: Detect clear glass bottles, vials, and plates in a washdown environment

Challenges: Clear or reflective objects can be difficult to detect

Solution: The Q26 Clear Object Detection sensor

Benefits: Detects clear and transparent material with higher positional accuracy


High-speed applications, such as a clear bottle or vial detection, requires reliable position detection. Typically clear bottles are challenging to detect because many sensors will see through the clear object, rather than detect it.


Banner’s Q26 Clear Object Detection sensor is ideal for this type of application because it quickly and reliably detects clear and transparent objects and its coaxial design results in higher positional accuracy, which allows for precise leading edge detection.

With a coaxial optical design, the emitted and reflected light travels along the same axis, which allows for very short sensor and reflector separation distances, ranging from 5 to 800 mm. A quick mechanical installation is possible with the compact housing and 20 mm mounting hole spacing.

Since the Q26’s beam travels in a straight line, the sensor can be shielded with a cover for easy cleaning in washdown environments, and only needs a small opening on the cover to reliably detect clear objects.

The Q26 Clear Object sensor is easy to set up and has a user-friendly single turn sensitivity adjuster potentiometer.