Suunto ZoneSense

halajos

I think that data are missing or bad in these areas?

I also think that may be the reason. @AntoniusGaius you can check your data quality in Runalyze (requires free account).

AntoniusGaius

@halajos OK, I did, but I can’t interpret it:

In Runalyze it says that max HR during exercise was 149 vs. SA says 155 (much more possible) It looks weird because this and SA data are not matching. I would appreciate to turn this thing off instead digging in inconsistent and unreliable data.
Strap is Suunto smart sensor - I have two of them - reliability is not high. I did half marathon last month an whole race I had no HR data at all. I had to re-pair sensor and since this it works +/- well. Frustrated again. I miss old good days with Ambit and Movescount.
Anyway thanks for help. Appreciate this.

halajos

@AntoniusGaius this clearly shows bad quality data. It should look like a narrow line, instead of scattered points all over like this. There are some sections of good data, where you see a line in your chart. Your HR belt is very likely worn out. Check if this is a recurring pattern in your workout history. If you don’t have any arrhythmias, then you should see a (wavy, if your HR fluctuates) line in this chart.

sartoric

@AntoniusGaius
What about the battery ?

AntoniusGaius

@halajos I will try to upload more sessions to see some differences. Thank you for your help.
I will buy H10 instead suunto smart sensor. I had problems with them early after start using them. Maybe there is some upgrade on Suunto side planned? This thing needs redesign as other HR measurement stuff in suuntio universe.

AntoniusGaius

@sartoric New one.

sartoric

@AntoniusGaius said in Suunto ZoneSense:

@sartoric New one.

Do you moist the pads ?

halajos

@AntoniusGaius I also switched to polar H10, because I can get replacement belts for it on ebay for the fraction of the price of a new Suunto belt.

AntoniusGaius

@sartoric Of course Heavily. I checked other activities in runalyze back to September and I found one export from 24.9.2023 and it was corrupted too. Strap has to be definitely bad…

tomtom73

I’ve tested zonesense for a few sessions and the results seems sometimes strange to me.
Today the watch didn’t show red zone and the suunto app shows it. Well why not but the 2nd threshold seems quite low (lower than my lab tested 1st threshold…) On top of that zonesense dropped backed to green zone when I finish my effort and my HR was going near my “normal” 2nd threshold and what I know I can sustain for ~1hour racing.

2 days ago the 1st threshold was at 116bpm.

The difference in measurements seems huge doesn’t it ? I’m not sure if there is anything I can interpret based on that

Mff73

@tomtom73
before any interpretation, you would check first the quality of the RR data registered for such activity. Runalyze provide such information (search the forum for little more detail on this).
Without good quality of RR intervals, i would assume that ZS could not tell any real “truth”.
i would be really great if Suunto could provide such data quality indicator, at least, user would have this information before any analysis. Or even ZS indicate like a level of trust, or something like this…

tomtom73

@Mff73 Thanks !
Runalyze shows ~1% anomalies with a polar h10 strap. Is this bad data quality ?