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Gear Detection Sensor for Counting Rotational Movement.

In applications such as measuring winch feed, drum feed, or other motor driven systems a gear can be targeted to detect both the direction of movement and calculate a count to measure a position.

In applications where a rotation angle of a shaft is required and a gear is present, gear teeth can also be counted and then scaled based on 360 degrees to determine the angular position.

  • Single channel gear tooth and target tracker sensors can be used where the direction of gear rotation does not change.
  • Qaudrature and Speed/Direction sensors output two channels for resolving the direction of motion and monitoring a count where rotation direction changes.

NOTE: Target tracking sensing elements and internal direction outputs may not detect a change in direction until the second gear tooth passes. For accurate count in applications where the gear rotation direction changes frequently type “-37ADQ-“ into the Search within these results (can this just be a click that automatically applies that filter instead of an instruction?) box.

To learn more about Hall Effect Gear tooth sensors, selecting or designing target gears, why we request the target pitch for two channel sensors, and other magnetic sensing technologies, see our Application Notes.

Custom programmed counters compatible with our sensors are available here.

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