WebSep 12, 2024 · The Charge 2’s heart rate monitor proved more accurate. On my run, it measured my average heart rate at 150 beats per minute, with a max of 181 bpm. … Weblevel 1. · 1 yr. ago. Fitbits tend to be way off compared to my chest strap, Apple Watch and the heart rate sensor on my elliptical machine. When I really push up the incline and resistance to the Max and give it my all, the machine and chest strap are around 186 (usually off each other by 2-4 bpm) and my Fitbit will be around 130.
Fitbit Charge 3 Fitness Activity Tracker - Graphite/Black Small …
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Fitbit heart rate explained: Accuracy, features and zones
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