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    Loosing HR during workout

    Scheduled Pinned Locked Moved Suunto 9
    suunto 9heart rateissue
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    • Brad_OlwinB Offline
      Brad_Olwin Moderator @Guest
      last edited by

      @mountainChris The trails I am on are quite technical, every downhill the watch moves enough that it locks onto cadence for HR, I cannot tighten it enough. If I wear the watch on my forearm it generally works, (a full hand above my wrist😱). The S7 does not have this problem…

      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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      • Gabriela ZiembaG Offline
        Gabriela Ziemba
        last edited by

        As promised, but with a delay - stats from running. It looks much better with HR belt. Simply, I get much more polite notifications when running in HR zones.
        SmartSelect_20200524-152517_Suunto.jpg

        Thanks again for all replies! 🤗

        Brad_OlwinB 1 Reply Last reply Reply Quote 2
        • T Offline
          tomahawk5000
          last edited by

          Hey Gabriela, what kind of belt do you have?

          Kind regards,
          Tomek

          Suunto 9 baro + Android

          Gabriela ZiembaG 1 Reply Last reply Reply Quote 0
          • Gabriela ZiembaG Offline
            Gabriela Ziemba @tomahawk5000
            last edited by Gabriela Ziemba

            @tomahawk5000

            Seems to be suunto smart sensor, like the one in the picture.
            suunto-smart-sensor-l.jpeg

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            • Brad_OlwinB Offline
              Brad_Olwin Moderator @Gabriela Ziemba
              last edited by

              @Gabriela-Ziemba Wow, was that a har run??? You spend a lot of time in zone 4 and 5. If this wasn’t a super hard run, I think your zones are off.

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

              Gabriela ZiembaG 1 Reply Last reply Reply Quote 0
              • EgikaE Offline
                Egika Platinum Member
                last edited by

                The only way to get somehow reliable wrist HR data from my S9 is to have it not too loose (wobbling and shaking around) and not too tight (cutting off the blood flow).
                Then I wrap a buff in an 8 over and below the watch to keep it more steady.
                This way it can work.
                Strap still is superior…

                t6, S6, Elementum Terra, Ambit 3 Sapphire, Spartan Ultra Copper, Traverse Alpha, S7 Graphite LE, S9B Ambassador, S9P Granite Blue Titanium, S9PP Titanium Sand, Vertical All Black, Race Titanium Charcoal,
                Race S All Black - TI Canary - Titanium Courtney

                Brad_OlwinB 1 Reply Last reply Reply Quote 1
                • Brad_OlwinB Offline
                  Brad_Olwin Moderator @Egika
                  last edited by

                  @Egika said in Loosing HR during workout:

                  The only way to get somehow reliable wrist HR data from my S9 is to have it not too loose (wobbling and shaking around) and not too tight (cutting off the blood flow).
                  Then I wrap a buff in an 8 over and below the watch to keep it more steady.
                  This way it can work.
                  Strap still is superior…

                  Agreed, the problem I have with the buff is it often covers the baro sensor and I get wildly bizarre altitude readings. I have quit using the buff and now use a long strap, preferably the velcro strap (I often wear two watches on one arm and the velcro is the only one that will keep the watch in place without slipping).

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

                  freeheelerF 1 Reply Last reply Reply Quote 2
                  • freeheelerF Offline
                    freeheeler @Brad_Olwin
                    last edited by

                    @Brad_Olwin said in Loosing HR during workout:

                    covers the baro sensor and I get wildly bizarre altitude readings

                    phuu… I’m glad I’m not chasing ghosts

                    living sideways

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                    • Gabriela ZiembaG Offline
                      Gabriela Ziemba @Brad_Olwin
                      last edited by

                      @Brad_Olwin I wanted to stay in zone 3, but I guess I lost control at some point 🤣 running was always hard for me so I decided to improve

                      ldxmsgL 1 Reply Last reply Reply Quote 0
                      • ldxmsgL Offline
                        ldxmsg Bronze Member @Gabriela Ziemba
                        last edited by

                        Sorry to awaken an old thread but I’m getting increasingly erratic HR readings using my S9B. I’ve not changed anything, use an official Suunto silicon strap and tighten the watch so that it doesn’t wiggle when running. For the first 10 mins or so of every run my HR shoots up to 160s (my resting rate is 60-70, and a hard run is in the 170s), regardless of how fast or slow I go. It will settle but takes some time. For instance, I ran for 25 mins with my son and dog yesterday and it was extremely comfortable, not out of breath and chatting the whole way, yet my HR readings were very high, which I find hard to believe. I’m not religious about these things, and am not interested enough to warrant wearing a belt/sensor, but I’d still expect better readings. My S7 and Garmin Tactix are usually consistent, and the S9B was better but has been getting worse lately. Anyone else having problems? Screenshot of the HR readings below:
                        IMG_879F7EC2B778-1.jpeg

                        Brad_OlwinB 1 Reply Last reply Reply Quote 0
                        • Stefan KerstingS Online
                          Stefan Kersting
                          last edited by

                          I had some HR issues too and they were caused by the old suunto hr belt. Had to of them and they weren’t to trust on. Tried the wrist hr on my s9b and I’m actually not very satisfied with that either. If you want good and precise hr results you should use a hr belt. I bought a polar h10 that is compatible to suunto and I’m very satisfied with that setup. I have the belt since 2019 and hadn’t any problems.

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                          ldxmsgL 1 Reply Last reply Reply Quote 0
                          • ldxmsgL Offline
                            ldxmsg Bronze Member @Stefan Kersting
                            last edited by

                            @stefan-kersting Thanks. I’m not religious about HR readings and don’t use them for training, so not too bothered about wearing a belt, but I’m curious to know if there’s a firmware/hardware problem with the watch or if this is usual? I note from various other forums that other people have had issues, though not that many have commented so not sure if they’re isolated examples or a trend.

                            Stefan KerstingS 1 Reply Last reply Reply Quote 0
                            • Stefan KerstingS Online
                              Stefan Kersting @ldxmsg
                              last edited by

                              @ldxmsg it is not a suunto issue. The measurement on the wrist depends on many factors as skin color, hairs on the skin, where on your wrist the watch is placed, how tight it is etc. so the wrist hr is just a gimmick. with the belt you wont get a ECG quality but it is ok for sports.

                              Instagram: https://www.instagram.com/helgelandsbukken/
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                              ldxmsgL 1 Reply Last reply Reply Quote 0
                              • ldxmsgL Offline
                                ldxmsg Bronze Member @Stefan Kersting
                                last edited by

                                @stefan-kersting I get that. But the S7 is much better than the S9B, as is my Garmin Tactix. As others have commented elsewhere, the S9B seems less good than other watches, but I’m not clear how widespread these problems are.

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                                • Brad_OlwinB Offline
                                  Brad_Olwin Moderator @ldxmsg
                                  last edited by

                                  @ldxmsg The S9B OHR works much better for you than me! The only way I can get good OHR from the S9 is to wear it halfway up my forearm. That is not my preferred place for wearing a watch. Part of this may be due to cold weather and blood flow under the sensor not so great until you warm up.

                                  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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                                  • E Offline
                                    enricotagliavini
                                    last edited by

                                    Definitely not the only one with this problem

                                    Screenshot_20210607-125452_resize.jpg

                                    This is a recording of a mountain bike ride. As long as I climb at a steady pace, the HR works well, but when I change pace, do a technical climb or descend the watch struggles a lot.

                                    Suunto 9

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