Scientific accuracy studies about consumer grade heart rate monitors – why are not reference device of the highest accuracy chosen in these accuracy tests?

Last Updated on April 8, 2024 by pg@petergamma.org

Is there a single paper of the following scientific papers about accuracy studies of consumer grade heart rate monitors which was reviewed by Peter Gamma from www.petergamma.org and is confirmed in a second scientific paper?:

090. Review of Accuracy Studies of Consumer Grade Heart Rate Monitors: Methods, Testing Protocols, Reference Devices

And is there a single scientific test of the more than 100 accuracy tests of Rob ter Horsts smartwatch accuracy tests, which was confirmed in a second scientific test by a second scientist?:

Which of the consumer grade heart rate monitors which was reviewed by Peter Gamma under www.petergamma.org full- fills the requirements for gold standard for heart rate measurements as described here:

090f. Which devices are used to measure heart rate in scientific studies?

How then can they deliver accurate and reproducable data? What is your opinion about this topic? Write it in the comments below.