Has anyone ever had this problem? My Scosche Rhythm+ heart-rate monitor consistently seems to show my heart rate about 15 bpm lower than it should be. So, for example, on easy runs where I know by feel that my heart rate is about 140, it hovers around 125. And sprinting uphill, to try and push it to the max (my max being about 180), it won't go above 165.
I'm in London, where the temperature lately has been around 40 degrees F, is it just because of the cold weather?
I've got a Scosche Rhythm+ and it works pretty well for me until I get to the point where HR and stride cadence are within about 10 bpm/spm, at which point the device becomes confused, and frequently crosses between the two.
At lower HRs it usually works pretty well, but it took a bit of trial and error to find a good spot on my arm for the thing to get a reading. For me it's on the inside of my triceps about 3/4 of the way from the armpit to the elbow. If I'm off by more than about an inch, I get bogus readings. Wrist never worked for me at all.
The strap on that thing has got to be tight too. Tighter than I'd like, but just a bit looser than the point where I'd consider it actually uncomfortable. All in all the electrical chest strap is more comfortable and works better for me.
Thanks. Are the bogus readings ever consistently lower than usual, as I described? Most of the complaints I've read about the Scosche only mention cadence lock, rather than my problem.
Am I living in the twilight zone? The Boston Marathon weather was terrible!
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