Polar H10 rate dropping down erroneously : r/Polarfitness

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Polar H10 heart rate dropping in the last part of workout, is the strap/sensor defective? It has only 4 months. : r/Polarfitness

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Polar H10 drop during training. This is started from June. I have reset the H10 sensor but it is still dropping during the workout (crossfit). I have 2 possible scenarios.1) the o-ring

H10 - heart rate dropout issue : r/Polarfitness

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