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    9 Peak HR totally wrong during activity, bug?

    Scheduled Pinned Locked Moved Suunto 9 Peak
    9 peakheartratebug
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    • U Offline
      uranfl @Dimitrios Kanellopoulos
      last edited by

      @dimitrios-kanellopoulos How did you find right spot? I got reading 149 bpm while easy walking for more than 5 minutes. It was definitely not that high. It should have been around 100 bpm. It started at 90 bpm for few minutes and then jumped…

      Dimitrios KanellopoulosD 1 Reply Last reply Reply Quote 0
      • Dimitrios KanellopoulosD Offline
        Dimitrios Kanellopoulos Community Manager @uranfl
        last edited by

        @uranfl well I just wear the watch and have it not too tight but not very loose.

        If you have it tight it’s less blood flow.

        Community Manager / Admin @Suunto
        Creator of Quantified-Self.io
        youtube.com/c/dimitrioskanellopoulos
        https://instagram.com/dimitrioskanellopoulos
        https://www.strava.com/athletes/7586105

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        • Tomas5T Offline
          Tomas5 @Brad_Olwin
          last edited by

          @brad_olwin @isazi i have personal experience only with S5 and my colleage has older S9. Maybe S9P and S7 is much better in this. But S5 or older S9 work well only sometimes in perfect conditions. But i can tell only for my expercience and some experience of some friends who complained about suunto or garmin WHR too.

          Dimitrios KanellopoulosD Brad_OlwinB 2 Replies Last reply Reply Quote 0
          • Dimitrios KanellopoulosD Offline
            Dimitrios Kanellopoulos Community Manager @Tomas5
            last edited by

            @tomas5 s9P and s7 have a totally different sensor

            Community Manager / Admin @Suunto
            Creator of Quantified-Self.io
            youtube.com/c/dimitrioskanellopoulos
            https://instagram.com/dimitrioskanellopoulos
            https://www.strava.com/athletes/7586105

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            • Brad_OlwinB Offline
              Brad_Olwin Moderator @Tomas5
              last edited by Brad_Olwin

              @tomas5 said in 9 Peak HR totally wrong during activity, bug?:

              @brad_olwin @isazi i have personal experience only with S5 and my colleage has older S9. Maybe S9P and S7 is much better in this. But S5 or older S9 work well only sometimes in perfect conditions. But i can tell only for my expercience and some experience of some friends who complained about suunto or garmin WHR too.

              For reference, neither the S9baro nor the S5 OHR work for me, both are terrible and I always wore a belt. The S7 and S9P are completely different and I do not need a 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

              Tomas5T 1 Reply Last reply Reply Quote 3
              • Tomas5T Offline
                Tomas5 @Brad_Olwin
                last edited by

                @brad_olwin that’s great. Hope it will get into less expensive watch over time. Because S9P is really too expensive watch for me.

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                • Patrick RxP Offline
                  Patrick Rx
                  last edited by

                  I noticed that the HR was also totally wrong during the day but a hardreset improved it a lot. During activities I now wear a belt(but I will check if the reset alao improved the activity HR) I am aware that wrist HR can’t be that accurate but considering the price it is slightly disappointing.

                  Does anyone know how frequent the HR gets updated when measuring 24/7? I noticed that sometimes when swiping to HR it is wrong at zhe beginning but after some time it ia correct

                  Giacomo LaffranchiniG 1 Reply Last reply Reply Quote 0
                  • Giacomo LaffranchiniG Offline
                    Giacomo Laffranchini Bronze Member @Patrick Rx
                    last edited by

                    @patrick-0 It appears that HR measures are taken every 12 minutes or so, I guess that is also what causes the graph of your 24/7 HR not too be all that smooth.

                    As for the initial inaccuracy of HR reading when you first enter the HR and SPO2 widget - I noticed the same thing. Indeed, every time I click down and check my HR I noticed that it is unreasonably high and then settles after 30 seconds or so. The annoying part of this is that all those spikes are recorded ; hence in reviewing your HR graph for the day I have all those wrong readings.

                    I really wished I could activate a 1 second recording of HR; I am assuming it could help with more precise measurement of stress etc.

                    S9P Granite Blue Titanium

                    jmoneygripJ 1 Reply Last reply Reply Quote 1
                    • jmoneygripJ Offline
                      jmoneygrip Bronze Member @Giacomo Laffranchini
                      last edited by

                      @giacomo-laffranchini I’ve wondered about this, perhaps the initially displayed value is historic? For me & most people I’m at rest when electing to check it so maybe it makes sense that it reads higher than expected then settles down under observation, I’ve naturally stopped walking, etc to check the rate,

                      I do think the LifeQ sensor is a huge improvement which is why I didn’t use my belt on Thursday for an activity, although I still do for training.

                      S9P
                      SSU (sold)

                      Giacomo LaffranchiniG 1 Reply Last reply Reply Quote 0
                      • Giacomo LaffranchiniG Offline
                        Giacomo Laffranchini Bronze Member @jmoneygrip
                        last edited by

                        @jmoneygrip I agree. I also found that the OHR is fairly accurate during activity. It is reasonably close ( at least during trail runs) to what I record on my chest HR monitor. I am satisfied from that standpoint.

                        What annoys me are all the huge spikes in HR readings at rest and during the night. I do not probably meet the characteristics of the perfect target customer for the S9P; hence, I may care about wellness data from the watch ( and HR reading outside an activity or training) more than the average customer. However I still think this is an issue as these readings may affect sleeping scores and other metrics.

                        S9P Granite Blue Titanium

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