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Suunto Smart sensor vs other belt-sensors

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  • H Offline
    HansLeo @Swaddy61
    last edited by HansLeo 8 Aug 2024, 13:31 8 Aug 2024, 13:30

    @Swaddy61, thanks for your point of view. My belt is well over two years old, so I think it’s indeed time to change it. I will keep the Suunto smart strap because in summer, I swim in open water, and it has this feature for recording hours during the swim.

    @Mattg576 , thanks a lot for the video. Also, I’ve tested my strap, and it does not conduct well anymore—although I’ve always followed the maintenance and cleaning instructions to ensure it has a long life.

    Hans, outdoor and mountain enthusiast

    Proud owner of
    Suunto Vertical Ti Solar (current watch)
    Suunto 9 Peak Pro (secondary watch)
    S9B (had it for some time)
    SA3P (first suunto ever)

    Strava:
    https://www.strava.com/athletes/90965848

    1 Reply Last reply Reply Quote 0
    • V Offline
      v.sacre Silver Members
      last edited by 3 Oct 2024, 11:07

      First time since a while with a new Suunto Smart sensor (after some monthes of use of Coros OHR arm band).

      0c1ae341-34c5-4436-971e-5bf4c6cdb97f-image.png ASCBE37336558

      During my first 10min warmup at constant endurance pace, I had two sharp rises of HR, for sure not realistic. Does anybody else has already had this ?

      A3S | S9B | S9P | S9PP | Suunto Vertical Ti
      Suunto Wing

      S 1 Reply Last reply 24 Jan 2025, 19:43 Reply Quote 1
      • S Offline
        Sportsfreund Bronze Member @v.sacre
        last edited by 24 Jan 2025, 19:43

        @v-sacre said in Suunto Smart sensor vs other belt-sensors:

        First time since a while with a new Suunto Smart sensor (after some monthes of use of Coros OHR arm band).

        0c1ae341-34c5-4436-971e-5bf4c6cdb97f-image.png ASCBE37336558

        During my first 10min warmup at constant endurance pace, I had two sharp rises of HR, for sure not realistic. Does anybody else has already had this ?

        Dieses Problem hatte ich heute zum ersten Mal. Plötzlich geht die HF um 20 Schläge nach oben.

        Mein SSB ist gerade 3 Monate alt. Schlimm.

        I 1 Reply Last reply 25 Jan 2025, 04:41 Reply Quote 0
        • S Online
          sky-runner Silver Members @Arnaud Lclr
          last edited by 24 Jan 2025, 20:03

          I owned Suunto Smart sensor in the past (5-10 years ago). While the sensor itself worked fine, the straps seemed to be very unreliable and I had to replace them every 3-6 months in order to get good quality HR data. Once a strap was getting older it increasingly produced a lot of noise such as spikes with unrealistically high HR, and the quality of HRV was very poor, which I could clearly see in Elite HRV app. Cleaning didn’t help much. Once I even ended up in emergency care because I was scared with the poor data coming out of Suunto HR sensor and thought it was real.

          I wonder if the quality of Suunto straps has improved recently? I like my Polar H10 but it may sometimes be uncomfortable in the middle of chest under the sensor and may cause a skin irritation on a longer run.

          S I H 3 Replies Last reply 24 Jan 2025, 21:03 Reply Quote 0
          • S Offline
            Sportsfreund Bronze Member @sky-runner
            last edited by 24 Jan 2025, 21:03

            @sky-runner hab meinen Suunto Gurt zum Glück grad per Amazon Chat zurück geben können.
            Also das hat mich echt sehr enttäuscht.
            Ich überlege ob ich mir nun einen Gurt eines anderen Herstellers kaufe.

            1 Reply Last reply Reply Quote 0
            • I Offline
              Inge Nallsson @sky-runner
              last edited by 25 Jan 2025, 04:27

              @sky-runner said in Suunto Smart sensor vs other belt-sensors:

              I wonder if the quality of Suunto straps has improved recently? I like my Polar H10 but it may sometimes be uncomfortable in the middle of chest under the sensor and may cause a skin irritation on a longer run

              I have no longterm quality experience with a Suunto belt, which undeniably seem to be chafe-free, but I fixed the Polar (and previously Garmin) chafing with a sleeve made from old bicycle inner tubing. Even after a couple of hours running it then left only a slight reddening of the skin at the bottom edge:

              IMG_20250125_051008_(4080_x_7247_pixel).jpg

              Suunto Race S

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              • I Offline
                Inge Nallsson @Sportsfreund
                last edited by 25 Jan 2025, 04:41

                @Sportsfreund said in Suunto Smart sensor vs other belt-sensors:

                Dieses Problem hatte ich heute zum ersten Mal. Plötzlich geht die HF um 20 Schläge nach oben.

                Mein SSB ist gerade 3 Monate alt. Schlimm

                If the spikes only are short ones at the beginning of an exercise, like in the graph you quoted, then they most likely are from static electricity built up in a dry tech material shirt. Those spikes disappear when the shirt get drenched by sweat.

                Suunto Race S

                S 1 Reply Last reply 25 Jan 2025, 08:18 Reply Quote 0
                • S Offline
                  Sportsfreund Bronze Member @Inge Nallsson
                  last edited by 25 Jan 2025, 08:18

                  @Inge-Nallsson
                  Bei mir steigt der Puls oft um ziemlich genau 20 Schläge an nach ca 20 min im Training.

                  Unterbreche ich die Aktivität und starte sie danach neu, läuft es erst prima um dann nach ca 20 min wieder einen Sprung um ca 20 Schläge nach oben zu machen. Dort hält sich dann der angezeigte Puls auch bis zum Schluss.

                  Im direkten Vergleich mit meinem Corosband und von meinem Gefühl her liegt der Fehler am Suunto Band. Denn dieses zeigt mir dann bei schnelleren Läufen Werte jenseits meiner maxHF.

                  Ich habe jetzt aber rausgefunden dass das Problem höchstwahrscheinlich im Gurt liegt. Denn wenn ich den Sensor auf einen anderen Gurt stecke, kommt dieser Fehler nicht.

                  Schade Suunto. Den schicke ich zurück und nutze erstmal meinen sehr alten H10 wieder.

                  S 1 Reply Last reply 25 Jan 2025, 08:20 Reply Quote 0
                  • S Offline
                    Sportsfreund Bronze Member @Sportsfreund
                    last edited by 25 Jan 2025, 08:20

                    @Sportsfreund
                    c6825445-f961-4bb3-b0cb-9ce431f0ee13-image.jpeg

                    1 Reply Last reply Reply Quote 0
                    • H Offline
                      halajos Bronze Member @sky-runner
                      last edited by halajos 25 Jan 2025, 09:04

                      @sky-runner the belt for the Suunto smart sensor had been updated a few years ago and the new contact material seems to be more reliable than the old one. You can tell them apart by the color of the rounded patch around the sensor contacts (black is old, grey is new). If you’ve never used the new one, it may be worth to give it a try.

                      S H 2 Replies Last reply 25 Jan 2025, 09:37 Reply Quote 1
                      • S Offline
                        Sportsfreund Bronze Member @halajos
                        last edited by 25 Jan 2025, 09:37

                        @halajos Ich habe den vor 3 Monaten erst gekauft. Das war das Schwarze.

                        1 Reply Last reply Reply Quote 0
                        • H Offline
                          HoBart @halajos
                          last edited by 25 Jan 2025, 14:08

                          @halajos Do you have pictures of both versions?

                          t6, Ambit, Traverse, Spartan Sport WHR, Suunto 7 (2 month! then sold it!, loved the watch but UI was pointless),Suunto 9, Garmin Fenix 6pro, Suunto 9 Peak Ti (it‘s a beauty), Garmin Epix Gen2, Suunto Race Ti

                          Core Brushed Steel (Most beautiful watch ever)

                          I 1 Reply Last reply 26 Jan 2025, 07:26 Reply Quote 1
                          • I Offline
                            IceRim @HoBart
                            last edited by 26 Jan 2025, 07:26

                            @HoBart
                            I have the pictures.
                            The red one is Suunto Smart Sensor, the black one is Suunto Smart Heart Rate Belt(had been updated a few years ago)IMG_20241228_091718.jpg .

                            H 1 Reply Last reply 27 Jan 2025, 13:29 Reply Quote 0
                            • H Offline
                              HoBart @IceRim
                              last edited by 27 Jan 2025, 13:29

                              @IceRim Thank you.

                              I used my Suunto Sensor yesterday. For the last 12 months I was using a Garmin HRM Pro. The Data I got from my Suunto Belt was horrible. Most of the time I had no Heartrate on the Watch, so I hoped it would sync afterwards, but what I got looked like this….
                              ![Bild Text](46b657fd-ec49-46e8-b00c-a3286a9836b4-image.png
                              Bild Link)

                              The Workout at the end seems ok, but way to high. The running intervals at the beginning showed no heartrate at all.

                              t6, Ambit, Traverse, Spartan Sport WHR, Suunto 7 (2 month! then sold it!, loved the watch but UI was pointless),Suunto 9, Garmin Fenix 6pro, Suunto 9 Peak Ti (it‘s a beauty), Garmin Epix Gen2, Suunto Race Ti

                              Core Brushed Steel (Most beautiful watch ever)

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                              • F Offline
                                flexh88
                                last edited by a day ago

                                I noticed that the Suunto Smart Heart Rate Sensor is back in stock in the Suunto store. Very curious about what it can do and ZoneSense seems pretty cool.

                                I’ll be grabbing one here soon to play and test with either way. Just seeing if any more specs are available out there about it? Like any updated features/sensors. Thanks.

                                H 1 Reply Last reply about 16 hours ago Reply Quote 0
                                • H Offline
                                  halajos Bronze Member @flexh88
                                  last edited by about 16 hours ago

                                  @flexh88 I don’t think anything has changed on the smart sensor. The belt was updated a few years ago to make it more durable. I’m using ZoneSense with a polar H10, which had the advantage of cheep 3rd party replacement belt supply. The advantages of the smart sensor over the H10 is the smaller size/weight and the capability to store HR data in is memory while BT connection is broken (like in the pool).

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