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Loosing HR during workout

Scheduled Pinned Locked Moved Suunto 9
suunto 9heart rateissue
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  • G Offline
    Gabriela Ziemba
    last edited by Gabriela Ziemba 20 May 2020, 16:05

    Hi,

    I struggle with my S9 and hearth rate. I have been running with HR-zones (and without) and watch is constantly dropping HR. It can go from 175 to 90 (hr when I sit) and then go back to 160 within few seconds.

    I wear watch properly and always wait few minutes before workout to let it “sink in”. Is it software or should I return it and get new one? My boyfriend is using Spartan model and never experienced such a thing.

    I also tried soft reset and software is the newest one.

    1 Reply Last reply Reply Quote 1
    • S Offline
      sartoric Moderator
      last edited by 20 May 2020, 16:38

      OHR can act very strangely for some people.

      Out of curiosity have you ever tried to switch the watch with your bf ?

      SVTS - 2.40.38
      SSSWHR BARO Amber - 2.8.32
      Samsung A5 2016 - Android 7.0
      Samsung A33 2022 - Android 14 - One UI 6.1
      Suunto App Android 5.2.5 beta
      Suunto App IOs 2.45.0 (19123) beta on MBP M1

      F 1 Reply Last reply 20 May 2020, 16:41 Reply Quote 0
      • F Offline
        freeheeler @sartoric
        last edited by 20 May 2020, 16:41

        @sartoric
        same here… I can only use HR strap for reliable values.
        I’m thinking about givin an OH1 to my wife as she refuses to use the HR strap as it is uncomfortable with the sports bra and she has an A3R without OHR

        living sideways

        1 Reply Last reply Reply Quote 0
        • G Offline
          Gabriela Ziemba
          last edited by 20 May 2020, 17:06

          Thanks for reply guys. We have never tried to switch watches, but I will give it a try. Is it common issue? Should I get HR strap to get serious results than? I started to use my S9 at gym and results were pretty good. Lately gym closed and I started to run and got that problem 🥴

          Anything else I should know or try out?

          ? F 2 Replies Last reply 20 May 2020, 17:18 Reply Quote 0
          • ? Offline
            A Former User @Gabriela Ziemba
            last edited by 20 May 2020, 17:18

            @Gabriela-Ziemba do you wear standard wrist band? I have very thin arms and some bands could work better. Other bands surround my wrist better. The VECRO strap is designed for good hr results on Suunto HP.

            The switch to your boyfriends watch could be interesting for some of us also to know.

            1 Reply Last reply Reply Quote 0
            • F Offline
              freeheeler @Gabriela Ziemba
              last edited by 20 May 2020, 17:51

              @Gabriela-Ziemba
              is it a baro or non baro S9?
              if non baro you can try to tighten the strap more to reduce wobbling of the watch. the point is, if any light comes between your skin and the sensors the results become crap.
              if you have a baro version you don’t want to tighten it too much as you forearms could block the sensor holes, seal them and mess up the alti recordings.
              this issue is quite rare for most of the athletes as the typical athlete has skinny arms that don’t block the holes 😉
              I am not a typical athlete, I block sensor holes frequently and hence know this issue well

              living sideways

              1 Reply Last reply Reply Quote 0
              • G Offline
                Gabriela Ziemba
                last edited by Gabriela Ziemba 20 May 2020, 18:25

                I have S9 non Baro.
                So we have tested a little bit and here are some results. We did jumping rope for 5 min.

                1. Me + mine S9 + no belt
                  SmartSelect_20200520-200843_Suunto.jpg
                  = HR biggest drop 114 to 142 in one second.

                2. Me + mine S9 + HR strap
                  SmartSelect_20200520-200829_Suunto.jpg
                  = HR much more stable, biggest drop 164 - 147 in one second

                3. Me + his spartan + no belt
                  received_3085700681490846.jpeg
                  = HR very stable, no drastic drops at all

                4. He + my S9 + no belt
                  SmartSelect_20200520-200638_Suunto.jpg
                  = while jumping he noticed drop 180 - 112 in 10 seconds, and HR was still low even when he was breathing hardly.

                It looks like his spartan is much better for measurement, even without belt? 🤔 We have an old belt, I could change battery and make it fit better. But I still think that mine S9+no belt vs his spartan+no belt is huge difference 😱

                What do you think guys?

                F ? S 3 Replies Last reply 20 May 2020, 18:40 Reply Quote 1
                • F Offline
                  freeheeler @Gabriela Ziemba
                  last edited by 20 May 2020, 18:40

                  @Gabriela-Ziemba
                  #2 looks like small downspikes caused maybe by tesla from a sport shirt?

                  personally I would recommend to use an external HR, either belt or OH1

                  living sideways

                  G 1 Reply Last reply 20 May 2020, 19:06 Reply Quote 2
                  • ? Offline
                    A Former User @Gabriela Ziemba
                    last edited by A Former User 20 May 2020, 18:57

                    @Gabriela-Ziemba intressting. Would try a more surrounding wrist band. And keep shirt away from wrist-watch-contact

                    G 1 Reply Last reply 20 May 2020, 19:08 Reply Quote 0
                    • S Offline
                      sartoric Moderator @Gabriela Ziemba
                      last edited by sartoric 20 May 2020, 18:58

                      @Gabriela-Ziemba
                      Which Spartan model is it?
                      Check if there are visible differences when you wear it.
                      I mean contact surface on the wrist etc. Also when you move you arm.

                      You can also try to wear it on the other arm.

                      For sure the belt is a viable solution.

                      SVTS - 2.40.38
                      SSSWHR BARO Amber - 2.8.32
                      Samsung A5 2016 - Android 7.0
                      Samsung A33 2022 - Android 14 - One UI 6.1
                      Suunto App Android 5.2.5 beta
                      Suunto App IOs 2.45.0 (19123) beta on MBP M1

                      G 1 Reply Last reply 20 May 2020, 19:11 Reply Quote 0
                      • G Offline
                        Gabriela Ziemba @freeheeler
                        last edited by 20 May 2020, 19:06

                        @TELE-HO I wear almost only quick dry t-shirts so it could definitely be the reason, I read about it now, would never ever think about it, I’m new into HR belts. Thanks!

                        1 Reply Last reply Reply Quote 1
                        • G Offline
                          Gabriela Ziemba @Guest
                          last edited by 20 May 2020, 19:08

                          @mountainChris do you have any suggestions that would be good for S9 non Baro? Thanks!

                          1 Reply Last reply Reply Quote 0
                          • G Offline
                            Gabriela Ziemba @sartoric
                            last edited by 20 May 2020, 19:11

                            @sartoric 15900017455158578795743843884693.jpg
                            That’s his watch. His watch strap feels definitely much more comfortable than mine, it feels like there is no space bwetwen skin and watch. Mine feels not the same way.

                            B 1 Reply Last reply 20 May 2020, 20:00 Reply Quote 0
                            • B Offline
                              Brad_Olwin Moderator @Gabriela Ziemba
                              last edited by 20 May 2020, 20:00

                              @Gabriela-Ziemba For me the OHR on the Spartan and S9 is problematic. It works in the gym, sitting, hiking but is poor for running and trail running. The only solution that works for me is to actually wear the watch almost on my forearm. Most of the time I wear the Suunto smartsensor 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

                              G ? 2 Replies Last reply 20 May 2020, 20:22 Reply Quote 2
                              • G Offline
                                Gabriela Ziemba @Brad_Olwin
                                last edited by 20 May 2020, 20:22

                                @Brad_Olwin I understand, I will get my boyfriends old HR belt ready (change battery, check resistance in pads etc.) and hopefully write a quick note how did running on Friday go.

                                Hope this can help others with same struggle. Thank you all, this helped a lot! 🤗

                                1 Reply Last reply Reply Quote 2
                                • ? Offline
                                  A Former User @Brad_Olwin
                                  last edited by 20 May 2020, 20:26

                                  @Brad_Olwin for me OHR works well on S9 during running trailrunning (in 95% of all cases)

                                  B 1 Reply Last reply 20 May 2020, 23:08 Reply Quote 0
                                  • B Offline
                                    Brad_Olwin Moderator @Guest
                                    last edited by 20 May 2020, 23:08

                                    @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

                                    1 Reply Last reply Reply Quote 0
                                    • G Offline
                                      Gabriela Ziemba
                                      last edited by 24 May 2020, 13:32

                                      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! 🤗

                                      B 1 Reply Last reply 24 May 2020, 18:03 Reply Quote 2
                                      • T Offline
                                        tomahawk5000
                                        last edited by 24 May 2020, 14:44

                                        Hey Gabriela, what kind of belt do you have?

                                        Kind regards,
                                        Tomek

                                        Suunto 9 baro + Android

                                        G 1 Reply Last reply 24 May 2020, 17:57 Reply Quote 0
                                        • G Offline
                                          Gabriela Ziemba @tomahawk5000
                                          last edited by Gabriela Ziemba 24 May 2020, 17:57

                                          @tomahawk5000

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

                                          1 Reply Last reply Reply Quote 0
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