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Ferrous Targets Speed and Direction Sensors

Hall Effect sensors for detecting speed and direction from a wide variety of ferrous metal targets are available in two different configurations:

  • Speed and Direction Sensors output speed on one channel, and a high/low direction output on a second channel.
  • Quadrature Sensors output two out of phase digital pulsing outputs. The tachometer or PLC monitoring the sensor resolved directions by comparison of when they switch.

Non-Standard Gear Targets for Ferrous Target Tracking Speed and Direction Sensors Include:

  • Spur Gears, Face Gears, and Rack Gears
  • Tone wheels and tone rings
  • Holes in ferrous targets including wheels, discs, and steel plates
  • Steel protrusions such as bolt heads or press fit pins
  • Shaft Keys and keyways and holes or notches in shafts
  • Steel inserts mounted in non ferrous discs and plates
  • Cam and crank shafts

More information on selecting speed and direction sensors for your application is located here .

For more information about our speed/direction sensors, the importance of the target pitch, and how to design custom targets, refer to our Application Notes.

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