:max_bytes(150000):strip_icc()/https-www.lifewire.combest-wear-os-watch-faces-of-2019-4687110-08-1c46064998ac44afb1d942fc565cf8ff.jpg "wear os track hiit")
"Because the heart rate sensor uses light to approximate heart rate, its accuracy may vary due to physical factors that affect light absorption and reflection, such as blood circulation/blood pressure, skin condition and location and concentration of blood vessels. I also see your arms are much hairier than mine, perhaps that is part of it? Samsung does call that out in this article as a potential interference: I've seen some people wear it on the inside/underside of their wrist and that's worked well for them. So where one person might wear it on their wrist, another person might need to wear it higher up etc. I think everyone's sweet spot is different due to differences in skin, circulation, blood pressure, concentration of blood vessels etc. I'd continue tinkering with where the watch is on your wrist though, I know you said you have already tried this. So far I haven't ran into it as much with my GW4. My own personal theory is that the sweat buildup during those high intensity bursts of effort dirties/interferes with the sensor. I had these same struggles with my GW3 and it was much more pronounced with HIIT workouts, particularly with heart rates above 160BPM. This issue is also present on the Watch Active 2 and still unsolved).
It's probably why it also cannot track deep sleep property (I get 0 to 5-7 minutes on the GW4 while my Garmin Vivoactive 4 shows around 1.5 hours.
This affects all health data: calories are not counted accurately, sleep is not tracked properly, etc. If I do an ECG right after training, the graph looks like I got my fingers stuck in the power outlet. From a 90 minute workout it only tracks the first ~5 minutes and (maybe) the last few minutes.īasically once the workout starts getting intense (or maybe wrists begin to sweat ?) it loses the signal (while the Garmin Vivoactive 4 from my other wrist has no issues tracking the whole workout). I do weight training, did 4 workouts with the watch until now and the GW4 simply cannot track heart rate 85% of the time, I get huge empty HR gaps on the graph with dotted lines, showing "unreliable data". I was thinking about returning it for a replacement, but I can now see this is not an isolated case: Anyone else having issues with the HR sensor not tracking on watch classic 4 during workouts? over at r/GalaxyWatchĮxactly my experience (and why I'm returning it today, in addition to the short battery life, 2+ hours charging time and weak vibration intensity). But then it just keeps the ECG calibrated HR for the whole workout, and does not raise any with higher intensity periods! They tell you to wear it tight for workouts, I do, does not help.īest scenario: I do an ECG measurement before the workout: I have to touch my finger to the button, so it uses electrical signal to measure, and that seems to calibrate the optical sensor, so it will show the correct HR in the next couple of minutes. The GW4 has 1 light with some kind of a prism around it.
#Wear os track hiit pro#
I see 4 HR sensor lights on the back of the TicWatch Pro 3. Step frequency matches on both watches and is followed by HR closely The later two matches and follows my "HiiT-style" training perfectly, this new Samsung watch is like a random number generator: My previous TicWatch Pro 3 on my other hand = OPTICAL New Galaxy Watch 4 on left hand = OPTICAL No matter how and where I wear this watch: tight, higher on my wrist, loose, left hand, right hand, wipe back, shave arm hair, nothing helps. HR on GW4 is complete random during workouts.Ĭuts out for 5-10 minutes, spikes to 180's then dips below 100.
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