Heart rate reads low while out of the saddle

Equipment
1

Curious if anyone else is having this issue…
I have a new Wahoo Tickr and most of the time I get out of the saddle it gradually reads lower then when I sit back down it immediately spikes back up to reality. I have used the old version of the Wahoo Tickr and it didn’t seem to have this problem. This occurs even hours into a ride so I don’t think it’s a sweat conductivity issue. New battery. Firmware updated. Fairly tight fit. Not connected to other devices.
Example:
Seated, 200w, HR 135
OTS (30sec) 260w, HR 134, 133, 132, 131
Seated again, 200w, HR immediately 150

2

Could it simply be heart rate lag for the work out of the saddle? It’s pretty common to see lag like this for me.

3

Any chance you can post a screen shot of a workout with this showing?

One thought that might not apply, but worth mentioning is that HR drop could be a result of a drop in cadence when standing. This assumes you are applying typical practice to stand in the 60-70rpm range vs seated at the 80-100rpm range. Lower cadence tends to lead to lower HR (all else being equal). I see HR drop a bit when standing, but depends a lot on the relative effort and power.

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4

Except for experimenting with sensor placement and belt tension… sounds like a case for Wahoo support

Edit: If it fits, try the old belt with the new device.

5

if it immediately jumps from say 131 to 150 upon sitting down again, I’d call Wahoo and get it replaced.

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