GNSS tilt sensors

This topic applies to Trimble receivers with built-in tilt sensors, including inertial measurement unit (IMU) or a magnetometer tilt sensor.

Trimble receivers with built-in tilt sensors contain accelerometers that are used to calculate the degree of tilt of the receiver. These tilt sensors enable you to make sure the pole is vertical and stable, so that the receiver is level, or is within tilt tolerance.

Trimble receivers with built-in sensors also provide tilt compensation, which allows you to measure points when the pole is tilted and the receiver is not level. The type of tilt compensation available depends on the receiver. Options are:

  • IMU tilt compensation: Trimble R980, R780 and R12i receivers
  • Magnetometer tilt compensation: Trimble R10 and R12 receivers

Well-calibrated tilt sensors are essential for accurate results. Trimble Access provides a number of calibration routines for your receiver. To view the Sensor calibration screen, tap and select Instrument / Tilt sensor options and then tap the Calib. softkey.