Mistake-Proofing Resource Center

Ultrasonic Sensors

Ultrasonic sensors emit high frequency radio waves and detect the reflectance of the wave off an object.  They can be used to detect the presence or absence of an object or to make distance measurements.


  • Sensing of tank or bin level
  • Confirmation of part or object passage
  • Detection presence or absence of object
  • Positioning of work piece
  • Measuring distance


  • Non-contact
  • Works in harsh environments
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