Withings Scanwatch Heart Rate Test Review

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=KjemOE2eHcY

In this video I test the heart rate measurements of the Withings Scanwatch against an ECG monitor. Instagram: / quantified_scientist • Twitter: @QuantifiedRob • Linkedin: / rob-ter-horst-90756a4a • Website: www.robterhorst.com • This video in the 3rd in a series of 4 videos on the Scanwatch. • 📹First two videos📹 • Unboxing and first review: • Withings Scanwatch Review (Heart Rate... • Sleep test: • Withings Scanwatch Sleep Test (Review) • ⏱️This comparison is part of a larger project where I spend over 11 hours a week tracking everything in my life. If you'd like to know more: • • This mad scientist scanned his brain ... ⏱️ • Timestamps: • 00:00 Intro • 00:29 Overview • 00:58 Recap of first results • 02:15 Final results • 04:48 Conclusions • The “Insider program” only had a total of 1000 scanwatches for sale, and they were sold out in minutes. I picked up the 38mm black version. • Hello everyone, my name is Rob and I am a Postdoctoral researcher based in Vienna. In my first video on the Withings Scanwatch I noticed that during cardio workouts the Scanwatch sometimes seemed to record a way too low heart-rate, about half of what it should be. However, this was based on just two days of heart-rate measurements, so I thought this might just be a one-time error, but someone on Reddit had the exact same problem. Therefore I decided to test it for two more weeks, to see if the problem would persist or it was just a one-off thing, and in this video I will show the results. • In total I recorded 9 workouts on my home-trainer, and 4 weight lifting sessions with both the Scanwatch and the Polar H10 chest strap. The Polar H10 is considered one of the most accurate heart-rate monitors available to the public. I recorded the raw RR-interval data from the chest strap, and tried to calculate each individual heart-rate measurement over the exact same time-frames as the Scanwatch used to make the comparison as precise as possible. Lets immediately dive into the results. • This is the plot I showed last time, with the Scanwatch on the vertical-axis and the Polar H10 on the horizontal-axis. Each dot is a single heart-rate measurement, and the diagonal line is where you would hope all measurements would be if they agreed perfectly. • It was this set of measurements here that were the problem. These were about half the heart rate they should be. I usually divide my workouts on the exercise bike in about 4 parts, with a small break in between, and it was exactly one of these parts that had too low of a heart-rate. • So, let’s look at the new data. Here is the same plot as before but with much more data, and I just used the new data. Again you can see this set of heart-rates which are about half what they should be. And this time it is not just from one workout session, but from several. As you can see, there are quite a few which have a problem, though some are fine. And, almost always, the problem appears to come and go right after I take a short break. I am not sure what is happening. During these breaks I stay on my bike, and all I generally do is take a drink, wipe of the sweat, and give my legs some rest. • So, this does seem a systematic problem for me in this early release version of the watch, which can hopefully be solved using a software update. As far as I know, I am wearing the Scanwatch according to the recommendations, and other smart-watches have had no problem on my wrist. So why is this occurring, well one of my subscribers had a possible answer to that: • Have you had the same issues? If so, let us know in the comments below. • I did contact Withings, and I will send them the data to see if they can fix the problem. Again, this is an early release version, so hopefully they can update the software. • 🎵Music🎵 • (1) Not Without the Rest by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) • Artist: http://www.twinmusicom.org/ • (2) Wonders by JVNA • (3) Can’t Sleep (YouTube Audio Library) • (4) Classique (YouTube Audio Library)

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