Monthly Archives: October 2018

Optical (or wrist) heart rate technology measures heart rate via LEDs that track blood flow under your skin. The accuracy of measurement is influenced by a number of factors and varies by person, their individual differences and by sport. In this article, I will write some tips to get the most accurate measurements from your device. It…

As you can read in this article, I have a lot of problems with Polar M430. To be more precise the problem is with an optical HR sensor. The mentioned article has many readers every day, so the logical conclusion is that I'm not alone with bad optical HR readings.After a mentioned article was published…