Suunto Smart Heart Rate Belt 2
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@isazi Hmm, I don’t have any service that would show me that. Once I figure it out, I’ll send it here…
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@isazi Hmm, I don’t have any service that would show me that. Once I figure it out, I’ll send it here…
e.g. Runalyze tracks that data
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@martintrail weird! it’s perfect
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@snow Yeah, it looks like it. I think I’ll try wetting the electrodes a little more and tightening the strap a bit more. No idea…This didn’t happen with my old Suunto strap.
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@martintrail cannot see where the drops come from or why zonesense is not working from this, it seems that there is no noise in the data
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As anyone seen yet the new belt (without sensor) somewhere ?
My old ones are starting to decline. -
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Well, my SHRM2 is not a week old and I’m already getting bad HR readings.
- I’m wetting the electrodes (water and licking) before placing it on the chest
- I do not have a hairy chest
- I have oily skin
- I’m a heavy sweater
- I’ve tried adjusting it’s position vertically
- I’ve tried rotating it slightly such that the module is left of my sternum
- I rinse it and hang to dry after every use
- I’ve hand washed it once with mild soap in cold water
I guess I’m wearing the strap wrong. Maybe it’s too tight? It’s snug, but not uncomfortable. I don’t know what else to do.
Sept 25 (day 2):
Yesterday (day 5):
Today (day 6):
Suunto Race S / 9 Baro / Ambit 3 Peak / Observer
Suunto SHRB2 / Polar H10 / Verity Sense / OH1
Stryd Duo / Wind
r/suunto mod -
@atoponce
For testing, we were advised to wear it, not too tight. Maybe try to loose a bit the belt. -
@Mff73 I wonder if having oily skin creates a film under the electrodes preventing a strong conductive connection until sweat breaks through. Perhaps an alcohol wipe to degrease the skin and electrode or ultrasound gel would improve things.
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@atoponce Well, it shouldn’t be rocket science. Just put it on and go. It seems more like a FW issue to me. But we’ll see after a few more runs. I’ve never had any problems with my old Suunto HRM or my Garmin HRM.
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It seems more like a FW issue to me
I sure hope it is! My replacement unit arrives today because you guys had a good streak with other units… And talking about streaks, the last bad one you had with strong drops in the HR (and ZS pruning) visavis a perfect R-R plot, did you upload the correct run for analysis? The timeline from the SA graph is ca 38 minutes while the R-R data has a timeline of ca 27 minutes.
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@Inge-Nallsson What I know, is the R-R chart is built from the beats the strap actually sent, so when the strap loses contact, those minutes simply disappear instead of showing as a gap. About 10 minutes are missing, all in the first half of the run.
That matches the HR graph in the Suunto app: during the first 20 minutes there are flat lines and impossible drops (down to 88 bpm while climbing), which look like the watch filling in gaps. After that the HR looks natural, and ZoneSense started showing data around minute 28, roughly 10 minutes after the signal became stable.
The R-R data that did get recorded is very clean, so it’s not noise, it’s dropouts.
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@martintrail Thanks for the clarification. I’m not that at home with the workings of R-R, obviously.
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