I use my Charge 5 to log both Workout and Walk exercises. I've done this for a couple of years.
In my gym workouts, my heart rate has commonly surged to 120 to 140, both during the workout and occasionally up to 10 minutes after. I've been a bit suspicious about this because my workout is not that rigorous (and I don't feel any different during the surge). I suspected AF but the ECG function did not detect AF when I tested it. I also tested my pulse with a pulse oximeter which typically showed an HR of 80 to 90 (while the Charge 5 was showing 130).
Today I logged my walk using the Workout mode. My typical walks are 10 to 20 mins and reasonably brisk, but the HR is always under 110. Using Workout mode it showed HR again in the 120 to 140 range. It felt no different from a normal walk.
From this it seems obvious that the measurement of HR is different in the two modes, and probably incorrect in Workout mode.
Anyone got any idea what's going on?
Moderator Edit: Clarified subject
