The sensor has to be recalibrated each time the Sensor Puck is removed from the Tumbler. After reassembling the Tumbler always recalibrate the sensor in the app to get accurate readings.
AND/OR
Recalibrate If you notice your Tumbler is sending inaccurate readings. This can happen over time due to pressure changes if you are traveling.
AND/OR
Recalibrate Every 2 Weeks to guarantee the most accurate results from your Tumbler.