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Suunto ZoneSense

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  • S Offline
    sartoric Moderator @Maryn
    last edited by 29 days ago

    @Maryn
    I use the smart sensor when practicing martial art and I want to keep track of HR, since I cannot wear watches or anything else (rings, arm bands …)

    After a while I forget I’m wearing it

    SVTS - 2.40.38
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    1 Reply Last reply Reply Quote 1
    • T Offline
      Todd Danielczyk Gold Members
      last edited by Todd Danielczyk 29 days ago

      I can confirm the Suunto belt fits well. If anyone needs one I have an extra I can give them (for free). I’m based in the Untied States so shipping domestically would be preferred.

      Just PM me if you want it and I’ll get it out to you.
      1000134931.jpg 1000134929.jpg 1000134927.jpg

      ? 1 Reply Last reply 29 days ago Reply Quote 0
      • ? Offline
        A Former User @Todd Danielczyk
        last edited by A Former User 29 days ago

        @Todd-Danielczyk Unfortunately had to cancel since I’m not in the US, but I really appreciate the kind intention. Somebody will enjoy it 🙂

        1 Reply Last reply Reply Quote 1
        • T Offline
          The_77 Silver Members
          last edited by The_77 5 Jan 2025, 13:09 23 days ago

          One thing I’ve noticed in the past couple of weeks is that ZS shows you a good indicator of per-sport fitness. For example, when running it is incredibly difficult for me to get into the red zone - I’d say 99/100 times it doesn’t happen. But I’ve ridden the bike for the first couple of times this year of late and even climbs of under ten minutes total will happily throw me into the VO2 max zone, despite at a comparatively much easier intensity than running.

          I’d also suspect it has a lot to do with the initial base ten minutes cycling being easier than running due to freewheeling, but it’s interesting nevertheless.

          Suunto Spartan Trainer Wrist HR / 9PP Refurb

          A 1 Reply Last reply 16 days ago Reply Quote 2
          • M Offline
            Maryn Silver Members @Brad_Olwin
            last edited by Maryn 5 Aug 2025, 12:55 16 days ago

            @Brad_Olwin I bought the suunto smart belt. I am really happy with it, it is practically unnoticeable. It is extremely comfortable and has not caused any chafing around the sensor so far. It is much more comfortable than the h10 with a pro belt.
            Thanks again 🙂

            Suunto Vertical, Suunto Race, Edge 530, Vantage V, Suunto Wings, Polar H10&Verity Sense

            B 1 Reply Last reply 16 days ago Reply Quote 0
            • B Offline
              Brad_Olwin Moderator @Maryn
              last edited by 16 days ago

              @Maryn said in Suunto ZoneSense:

              @Brad_Olwin I bought the suunto smart belt. I am really happy with it, it is practically unnoticeable. It is extremely comfortable and has not caused any chafing around the sensor so far. It is much more comfortable than the h10 with a pro belt.
              Thanks again 🙂

              Great! For me a game changer as the other belts will chafe and are uncomfortable. I would like to stream data to more than one watch but not enough to wear a different belt.

              Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

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              • A Offline
                Adrian.S @The_77
                last edited by 16 days ago

                @The_77 Heart rate zones for cycling are usually 8-10 beats lower than for running, according to statistical studies of thousands of athletes.

                When training for a triathlon, people do separate zone tests for running and cycling.

                I regularly do running tests 1-2 times a year. The person who does this told me this, and I believe him because he does this professionally 🙂

                I have set my zones 8 points lower than for running, and this more or less corresponds to how I feel at the same HR, for example 142 while in Z1 running and 142 while cycling are different feelings.

                Suunto Vertical, Garmin Fenix 7 Sapphire Solar, Garmin Edge 840, Polar H10

                T 1 Reply Last reply 13 days ago Reply Quote 2
                • T Offline
                  thanasis Bronze Member @Adrian.S
                  last edited by thanasis 5 Nov 2025, 12:59 13 days ago

                  I still get some hard to justify measurements
                  Eg today on a trail run , going uphill , HR exceeded 180bpm for over 2minutes and zonesense was still on the green part

                  7fbe7ca0-3f7f-40ae-9daf-4b9a8a92f048-image.png

                  T 1 Reply Last reply 13 days ago Reply Quote 2
                  • T Offline
                    timecode @thanasis
                    last edited by 13 days ago

                    @thanasis this happened to me just now. My HR was 176, Zonesense shows a huge drop. Not sure how to read that.

                    98a5d84b-ad1f-44d5-8ef9-48598de3cecd-image.jpeg

                    B 1 Reply Last reply 13 days ago Reply Quote 1
                    • B Offline
                      Brad_Olwin Moderator @timecode
                      last edited by Brad_Olwin 5 Nov 2025, 20:19 13 days ago

                      @timecode ZS needs minutes to adjust. What you saw is normal. Your HR dropped a lot before it rapidly elevated at the end of your graph. ZS appropriately dropped then started rising. You were not long enough at a high HR! This has been stated many, many times here.

                      Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                      1 Reply Last reply Reply Quote 3
                      • T Offline
                        timecode
                        last edited by 8 days ago

                        This keeps happening when using Zonesense a lot. I am able to see data on my watch during an activity, but in the app the graph looks like this. HR strap is connected, HR data is there. Any idea why this is happening?

                        581cd70f-d727-4c16-9e7b-04826af4e5e9-image.jpeg

                        B S 2 Replies Last reply 8 days ago Reply Quote 1
                        • B Offline
                          Brad_Olwin Moderator @timecode
                          last edited by 8 days ago

                          @timecode Is this true for all exercises? Do you have old ones with a strap prior to ZS release? Those will show ZS as well.

                          Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                          T 1 Reply Last reply 8 days ago Reply Quote 0
                          • T Offline
                            timecode @Brad_Olwin
                            last edited by 8 days ago

                            @Brad_Olwin it’s not every exercise, sometimes it’s like this - there’s a chunk missing at the end of the excercise or some drops:

                            4f451a34-7d6d-49e8-9457-54f57a87f84f-image.jpeg

                            Today I was checking Zonesense quite often on my watch during the excercise and I saw data. It’s just missing in the app.

                            B B 2 Replies Last reply 8 days ago Reply Quote 0
                            • B Offline
                              brechtvb @timecode
                              last edited by 8 days ago

                              @timecode sometimes I have the impression by opening the big graph or swapping the data in the display for other measurements, more data (complete) pops up, odd, and a bug in the end.

                              1 Reply Last reply Reply Quote 0
                              • S Offline
                                SamuelP Bronze Member @timecode
                                last edited by SamuelP 8 days ago

                                @timecode it happened me the first time a few weeks ago. I didnt wet the belt before my run. I guess the connection was good enough for HR but not the r-r data. After a while probably my sweat made the connection better or something?

                                Screenshot_20250516-072456.png Screenshot_20250516-071902.png

                                I T 2 Replies Last reply 8 days ago Reply Quote 2
                                • I Offline
                                  isazi Moderator @SamuelP
                                  last edited by 8 days ago

                                  @SamuelP indeed, if the data is too noisy it is not used for ZoneSense, data needs to be quite clean to be used.

                                  Watch: Suunto Vertical Ti

                                  Blog: isazi's home

                                  S 1 Reply Last reply 8 days ago Reply Quote 0
                                  • T Offline
                                    timecode @SamuelP
                                    last edited by 8 days ago

                                    @SamuelP good hint, thanks. I will try it again tomorrow and keep this in mind.

                                    1 Reply Last reply Reply Quote 1
                                    • S Offline
                                      SamuelP Bronze Member @isazi
                                      last edited by 8 days ago

                                      @isazi would be nice if suunto app could tell the quality of the data(like runalyze), would help with all the confusion 😅

                                      1 Reply Last reply Reply Quote 3
                                      • B Offline
                                        Brad_Olwin Moderator @timecode
                                        last edited by 8 days ago

                                        @timecode If the HR belt dries and/or you have a tech shirt and dry belt it can cause problems. I thoroughly wet my belt before I run and I typically sweat enough that the belt stays wet. If you stop and dry out it could also be an issue.

                                        Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                                        T 1 Reply Last reply 8 days ago Reply Quote 1
                                        • T Offline
                                          timecode @Brad_Olwin
                                          last edited by 8 days ago

                                          @Brad_Olwin thanks. I also always wet the belt and sweat a lot, like A LOT. But it of course can happen that it dries out - today was quite cold, so it’s possible. I’ll try again tomorrow.

                                          B 1 Reply Last reply 8 days ago Reply Quote 0
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