Short-Range Background Suppression Sensors

Bulletin 42BA Short-range Background Suppression Sensors offer high background suppression performance at sensing ranges up to 200 mm (8 in.). This type of sensing capability is desirable in applications where a shiny background is present or where there is no easy access for using a reflector.

Popular Resources/Quicklinks
Bulletin 42BA Miniature Rectangular Sensor Installation Instructions Presence Sensing Brochure


  • Short-range background suppression diffuse sensing mode
  • Adjustable range settings
  • Compact housing style
  • Highly visible status indicators
  • NPN or PNP output models
  • Diagnostic output
  • Short-circuit protected outputs
  • 2 m cable connection

Product Selection


  • CE Marked for all applicable directives
  • CSA Certified
  • UL Listed
Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.


Resource Publication Number Language
Bulletin 42BA Miniature Rectangular Sensor Installation Instructions 42BA-IN001
Presence Sensing Brochure SENSOR-BR001
Literature LibraryLiterature Library
Literature Library

Browse Literature Library where you can search for additional technical and commercial publications in more languages.


Search Literature Library

KnowledgebaseKnowledgebase Support Center

Visit our online resource for technical information, support chat and forums, software updates and product safety advisories/notices.


Get Support