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Adjustable Field Foreground Suppression Sensors from Micromax

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article image Adjustable Field Foreground Suppression Sensors from Micromax

Micromax  stocks a range of products including Sensors and controls, machine safety, inspection systems and industrial computers. Sydney, 2010 Micromax Sensors & Automation introduces QS18 adjustable field foreground suppression sensors by Banner Engineering, designed to reliably detect objects regardless of colour, reflectivity, surface irregularities or background conditions. The sensor’s universal mounting design makes installation quick and easy, while a simple screwdriver adjustment allows for precise setup of sensing range. With a compact and IP67 rated sealed housing, QS18 adjustable field sensors deliver a sensing solution for small or difficult to reach areas.

QS18 Adjustable Field Foreground Suppression Sensors operate in diffuse mode, detecting light returned by the background, but ignoring light returned by the object. The concept is similar to that of a polarised retro reflective sensor, if the sensor cannot see the background (reflector) and the output switches on indicating that the target object is present.

These photoelectric sensors are a suitable solution for material handling or packaging applications, where irregularly sized/positioned or shiny objects are present against a fixed background, said Mike Turner, Material Handling Business Development Manager at Banner Engineering.

These compact sensors are available in two adjustable cut-off ranges such as 15-40 mm and 30-200 mm. The short range models are suitable for detecting thinner objects that are closer to the background.

QS18 Foreground Suppression Sensors are particularly useful if the following application conditions are present:

  • Target object is reflective
  • Reflective background
  • Detecting dark objects on light backgrounds
  • Sensors are aimed toward factory lights

The following features make QS18 Foreground Suppression Sensors advantageous in challenging material handling and packaging applications:

  • Adjustable range: short range models offer 15 to 40 mm sensing range; long range models provides up to 200 mm sensing range
  • Reliable detection when a fixed background is present and the object colour or shape varies
  • Objects detected to the face of the sensor (no dead zone)
  • Simple multi-turn screw adjustment of cut-off distance
  • Crosstalk immunity algorithm allows two sensors to be used in close proximity
  • Visible red emitter for simple sensor alignment

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