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Are the Force Measurements accurate/is there a load sensor?Updated 4 months ago

There is indeed a load sensor in the bar, but that sensor requires calibration, which is why we ask for your height. During the calibration process, you're expected to use only the standard white band that comes with the X3 – not the white X3 Performance (Paraforce) band – so that the app can compare the raw load sensor data with the amount of force that this band is estimated to produce when used by someone of that height. The app then calibrates itself based on that comparison. 

After that initial setup, the bar and app display the load sensor data, calibrated based on your bar setup. When you're performing your workouts and you input a band color, that doesn't actually affect your force readout; it's only in there as a notation for your personal reference when you review your logs. 

Once you calibrate the bar correctly with the standard white band, you will get a live readout based on the load sensor's actual outputs. 

This said, the "pounds" forces are estimated based on the calibration data you collect during the initial calibration step. This means that if you perform the exercise differently during calibration and adopt a different form during the workout, it will become less accurate. 

All load sensors can also be slightly affected by temperature changes, etc. 

However, it is a real load sensor that will provide real-time data regardless of what bands you use during the exercise. 

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