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Old 09-26-16 | 09:18 AM
  #18  
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DrIsotope
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Originally Posted by work4bike
BTW, since this thread is in the Electronics/Gadgets forum, I'll post this link with a video of various HR monitors being compared to an actual EKG machine in the doctor's office. Hint: The HR monitors that have an optical sensor built into watches are mostly junk; the chest straps are still the best way to go... https://www.cnet.com/news/how-accura...rate-monitors/
More recent tests of more recent wristband HRMs (like the Mio Link, for instance) have shown them to be within 2-3bpm of an EKG machine. More than accurate enough for the typical consumer.
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