When exercising he wears a Polar heart rate monitor which sends data from a chest strap to his wristwatch. But his exercise bike also has a heart rate readout that depends on your hands touching ...

Heart rate monitor chest straps earn their ... That isn't to say a chest strap magically gives you perfect results every time. According to Polar, you must moisten the Polar H10's electrodes ...

[Wolf] had a Polar brand exercise watch that ... ditched the watch and built an Arduino-based heart rate monitor. He’s still using the chest strap and was happy to find that SparkFun sells ...

as long as you get the fit right Polar's H10 is a tried and true chest strap that's outlived some of its launch features. It's our team's go-to heart rate monitor when testing other wearables ...

For a more affordable choice that does the basics well, the Polar ... the best heart rate monitor for you. The other reviewers and I here at Cyclingnews all prefer the original chest strap design ...