Question about Polar CS200 Cycle Computer/Heart Rate Monitor
For two years I had a problem where the monitor was presenting me with ridiculously high values, like 122% max heart rate. This typically happened on downhills or whenever I exceeded 25MPH (OK only downhills). One day when wearing a windproof vest, I noticed that it didn't happen. I then placed SaranWrap over the front of the chest strap to completely block the wind and it also worked. Then I discovered (while reading the Polar manual about HRM maintenance) that the problem might be that I rarely washed the unit. (Don't understand how this manifests itself as it does, but...) After I washed it as directed, the problem went away, so now I wash after most rides. Fast forward 4 months and the problem has returned, but usually only in the first part of the ride and I don't have to be going as fast. I dabbed on some water which didn't help and the next time added a few grains of salt to a few dabs of H2O. Problem still there. Now I'm trying the SaranWrap method to see if this will help, but as of yet, I can say that wrapping up only the central plastic part of the chest strap doesn't help. More experiments on the way.
Posted on Sep 14, 2009
Mine does this as well but only seemed to happen on downhills. I have found that as long as you keep the chest strap moist it will read correctly. So before you start just moisten the ******** the sensors and hope you sweat enough to keep it moist in wind etc.
Posted on Feb 12, 2009
Just read that you need to wash the belt in a washing machine and/or check the snaps for corrosion. My 200sd is doing the same thing so will try this when I get home tonight.
Posted on Jan 07, 2009
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