S7 HR terrible whilst cycling!
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@BinoWorld-UK
Maybe just vascular system different (just enough) on the other wrist. -
@freeheeler ok I ran another test and it seems like the left wrist can also keep up, but oh boy the strap needs to be tight and I mean tight and quite high on my wrist. Look either way, I am now at least convinced that the S7 sensor isn’t crap at all, it just need a precise placement on the wrist……
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@BinoWorld-UK S7 measures HR good only when walking and running, everything else is mixed at best… try to do some weightlifting or some circular training with weights… you’ll be dying with HR of ~80-100
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@Metalmi I did a bit of HIT workout and seem to hold the elevated HR.
For Weight lifting isn’t not my thing really.
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@BinoWorld-UK I am just about ready to give up on the Suunto OHR. It is easily the worst device I have had in this respect. DCR said the same thing. I have had two Garmins, one Polar and a few wrist trackers which have worked well without any problems. My Suunto takes ages to get a proper fix however it is worn. The readings are insanely high for the first 10 minutes. The tips on the Suunto support pages don’t really help. If the Suunto app could use an external heart rate monitor it would be a different story. I’ve given up using it for any fitness activities. Such a shame because in every other way I love this watch. It’s the best Wear OS watch I’ve had.
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@Graham-Nind so true, it’s like the S7 OHR needs to time realise that the body is warm enough or the blood is flowing enough to start accurately tracking…… This could be fixed with an algorithm change with a firmware update.
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@BinoWorld-UK So I took the S7 for a spin today to compare its OHR against what’s known to be a very accurate OHR the Polar Grit X and the results are surprisingly very similar.
https://share.icloud.com/photos/085HhBWYs2dtImDY0WtoZ6UmA
https://share.icloud.com/photos/0a04olOLofsdPfY9dRpSNKZGg
The difference between low / high and average were below 1% remarkable.
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On the last days I could did various test using my Suunto 7 and on the same time the Garmin HRM Dual on the Tacx indoor trainer. I’m pleasantly surprised because I always I believe that chest straps are better, and on these test I could see that exist a minimal difference, when exist. Almost 90% of the time the Suunto 7 displays exactly the same BPMs than the Garmin HRM Dual, and only few times that have these differeces was 142 vs 145, 150 vs 148, etc, minimals differences that, for me, not have sense to wear a strap when I already use the watch.
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@flypg indeed, very impressive tracking from the S7!
It remains a very capable watch at tracking walking, hiking, running. I think cross fit or MTB are the areas where it might struggle to follow the accuracy of a dedicated HR strap. A part for that, it measures the RHR very accurately and provide fantastically accurate body resources. The only shame is that Suunto totally buried this watch and never thought about even adding a virtual pacer or Vo2 Max, or even try to improve its battery life. I guess it’s the lack of partnership with Google Wearos hence why it’s a dead duck!
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This is what happens when I run! After about 10 minutes it matches my Polar OH1 fairly closely.
Even if i go for a walk it spikes for the first few minutes. It hit 140 during a gentle stroll today.
