9 Peak Pro Paired with HR Strap
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@Jugger send me an email, I need to know your username and the app version you are using.
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@Jugger
Are you certain there isn’t a problem with the belt? The HR graph appearance and the behaviour you (and @Chris-Conway) describe with the values displayed on the watch, are exactly what I was seeing using an H10 with a S9B and S9P. The problem was the belt, after 4-5 months of daily use.
Can you check the r-r interval plot using Runalyze (or any other tool that shows this data) to determine if the belt is ok? Or, if not, use the dual Bluetooth output on the H10 to send the data to your S9PP and another device at the same time?
Cleaning my belt very thoroughly helped for a short while but the problem kept coming back. In the end I switched to a Polar Verity Sense and haven’t had any problems since. -
@MKPotts Actually I did buy new belt maybe a year ago. Old was already wrinkled. It might be that they last but a year in active use. It has no visible damage but something might be wrong with it.
I shall try record next run with Suunto and Polar beat to see if it’s acting up with both.
I always thought EKG is better than optical measure. Is it safe to switch to Verity sense? Is it really working well?
Suunto Vertical Titanium Forest
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@Jugger
My Verity Sense has been flawless since I got it in August (used about 140 times since then). It’s as accurate as a chest strap as far as I can tell, has never mis-read or lost connection and doesn’t suffer from the limitations of wrist OHR (so isn’t affected by arm movement, skin temperature / blood flow, cadence lock etc). It’s really quick and easy to put on and comfortable (I wear mine on my upper arm).
The only time I think a chest strap might be preferable is if you’re doing very short, high intensity intervals/efforts a lot, when the faster response of a belt might be beneficial (but the Verity Sense is still more than good enough for me).
Hope this helps if it is your H10 strap that is faulty / worn out. I got tired of failing straps after going through 3 Suunto belts before the H10 (which lasted longer but still became unreliable in the same way). -
@Jugger - two quick questions:
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are you using a SuuntoPlus Sports App with the training?
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what happens if you restart the watch using the soft-reset ( top right button held for 12 seconds )
I have a similar issue, where the HR value in the training screen is not updating, or is not accurate, but the HR time series shows up correctly in SuuntoApp. There are some other things going on, too, but in my case the incorrect HR data field seems to happen most often when a Sports App is included in the training.
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@Jugger said in 9 Peak Pro Paired with HR Strap:
Is it safe to switch to Verity sense? Is it really working well?
same as @MKPotts , I’ve changed to verity sense last april and haven’t had an issue with it since.
very accurate and for my personal taste much more comfortable than the chest belt. -
@Bradleyd 1. I was using Burner at that time. I usually put it on for my normal run.
2. I haven’t reset my watch after latest firmware update.I could try to pinpoint problem by not using any S+ apps on my next runs. If it has no effect then soft reset.
Also watches logbook is showing different bpm on watch than SA.
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I used to get results like this all the time with S9P and H10, I brought it up numerous times in this forum and there was never a solution.
I even went with a coros to try and suss out what was happening, as the H10 could connect to two watches at the same time.what my tests showed was and not just H10 but also Suunto Smart belt , was the BPM would drop for a second then the Watch was unable to pick it back up in good time, often taking up to 10 minutes before picking back up again.
I confirmed this with both a Coros (which dropped at the same time) but was able to pick up again within a second or two, tested again with a Garmin 945 (still use this) and same again, it dropped the bpm at the same time but Suunto couldnt pick up the bpm rhythm for some time, Garmin like Coros picked it back up again after a couple of seconds.
Now I also looked at what was causing HR Belts to drop a beat or two in the first place (trying to get at the source of the problem) and discovered the best method to avoid dropping BPMs was to adjust how I positioned the sensor, I followed a few hints from folks here, like; Wetting fully the belt, using a conductive gel, but ultimately what solved the problem was to position the main sensor under my left nipple (male) so the pads were extending way around the side of my body, since making this change I have never dropped a bpm with Suunto watch or any other brand avoiding the issue of the watch not being able to recover from a dropped R-R or HRV Pulse or whatever it is monitoring in the first place.
Hope this helps
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@TonyG The strap sensor positioning is great advice, thank you for sharing!
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I also had plenty of drops with my H10 and S9PP this winter. I’ve fixed it with ECG gel. Also, runalyze plot is a great advice for debugging HR sensor problems as you’ll quickly see any anomalies.
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@TonyG You were right about position of the belt. I tried it for two past runs and I got steady performance. First one was with variable terrain and second steady paced run. There’s no hiccups on graphs. I was using Polar beat at the same time and they both show same bpm. Thank you for your tip
