Support Center

What is an IMU?

Last Updated: Apr 25, 2017 11:25AM CDT

An IMU, or Inertial Measurement Unit, is an electronic chip that measures and reports an object’s speed and orientation, as well as the gravitational forces an object is experiencing. This is calculated through the combined use of an accelerometer, a magnetometer, temperature sensor and a gyroscope.

Currently, only our GT9X Link device houses an IMU unit. The IMU has a locked sample rate of 100Hz (100 times per second), even if the primary accelerometer is set to sample at a slower rate. 
Please note that when initializing a Link device and enabling the IMU sensor, this will greatly reduce the battery life from 14 days to approximately 1 day.

If you need any further assistance, please visit our support portal at https://help.theactigraph.com/home. From there, you can view many helpful FAQ's and Troubleshooting Articles, log in to check any existing Support Requests, or create a new Support Ticket if you are unable to find a solution. You can also email us at support@theactigraph.com or give us a call at (877) 497-6996, Monday through Friday, 8 am to 5 pm CST.

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