You can read it by feeling your pulse with two fingers and counting it. There are generally two reasons consumers (i.e., not medical professionals or elite athletes) want to know their heart rate data: to know their resting heart rate and to use heart rate data for exercise and training. Now that you know a little about how different HRMs work and why some are more accurate than others, it's important to address the issue of how much accuracy matters. The skin of the ear works better for optical readings than the skin on the arm, as well. In-ear optical HRMs tend to be better than wrist-based ones because the ear doesn't move nearly as much. Measurements from the arm and wrist are more difficult because those body parts can swing rapidly during activity, thus creating noisier data. Based on that information and what we know about how light scatters when it hits blood, these sensors translate the data into a pulse measurement.Įlectrical technology tends to be more accurate. Optical technology sends light into the skin and reads the light that reflects back. Without getting too technical, chest straps read the small electrical signal your body creates to make your heart contract. Top to bottom: Peloton Heart Rate Band, Polar OH1 Many Fitbit devices, the Apple Watch, and other wrist-based activity trackers rely on the latter, as do sports headphones that record heart rate data via in-ear measurements. How Are Electric and Optical Heart Rate Monitors Different?įirst, you need to decide between a classic chest strap that uses an electrical pulse to read your heart rate and something that uses optical technology. Best Hosted Endpoint Protection and Security Software.
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