Fighting with a too low heart rate during exercises over the last few months. Yesterday a quite fast run with a average heart rate of ~125 ppm referring the watch which would bei around 155 in reality.
There's no jump and the values vary during exercise.
I've got reply from Garmin Support Poland and they confess it's a software, not hardware issue. Next update is planned for February.
I have same problem when running. I 've been using a brand new Epix Pro for a week without a successful heart rate measurement. I am an experienced runner and have been using Forerunner 945 and also HRM…
Once I had realistic readings until I had to stop to wait a traffic light to change. After a couple of seconds I decided to take another way home and continued my workout. The next 5-10 minutes I had readings…
How does this make sense?
It's a workout I just completed on a Concept 2 rowing machine. Notice the shart drop in HR at about 5:50, from 129 to 110. No explanation. It continues fluctuating 110-117 (way too low!) until, near the end as my stroke rate (effort) increases, HR drops further. A minute after finishing, I did a manual 10-second HR check. It was still over 120, meaning during the workout is was probably above 140, as I would expect.
Data like this is useless.
I await the usual comments that I'm wearing the watch wrong, or all wrist OHR sensors are just as bad (they aren't) and I should buy a chest monitor, or the best of all, Garmin HR sensors are simply too accurate and thus can't be expected to be accurate (still trying to warp my head around that one). Oddly, for the apologists, my earlier Vivoactive 3 and Fenix 6 Pro never had this problem (and yes, I've checked past data).
