Inertial sensors

IMUs and 3D compasses

Inertial units, IMUs and electronic compasses are geolocation and navigation instruments equipped with inertial sensors (inclinometer, acceleromer, gyroscope). They provide two advantages:

  • allow very precise geolocation and navigation in the absence of a GPS signal. Example: tunnel, drilling, at sea, in flight, etc ...
  • Allow more precise position tracking than what GPS offers in tight spaces.

Applications: robotics, autonomous vehicle, construction machinery, agriculture.

Analogue or digital output


  • Equipped with inertial sensors
  • Applications: robotics, autonomous vehicle
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3D Electronic compasses

  • Equipped with a 3-axis magnetometer
  • Equipped with a biaxial inclinometer
  • RS-232 or RS-485 output
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Inertial angular rate sensors

  • Simultaneous measurement in 1 or 3 axes
  • Measurement ranges: 75 to 900°/s,
  • Applications: robotics, agriculture
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