The 3 electrodes singe lead ECG system of research scientist Scott W. Harden, D.M.D., Ph.D. cannot be used as a gold standard for HR measurement for runs on the treadmill at 4, 5, 6, 7, 8, and 9 mph at zero inclined

Last Updated on September 30, 2022 by pg@petergamma.org

According to the following paper of the group of the cardiologist Milind Y. Desai, Cleveland Clinic Ohio, a 3 lead ECG system as used in this study is required:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6732081/

or an OpenBCI 3-Lead ECG with Cyton or Ganglion boards:

https://docs.openbci.com/GettingStarted/Biosensing-Setups/ECGSetup/

or one of the other 3-lead ECG systems listed in this table:

90.02 Research & medical grade ECG devices which some of those were used to study the accuracy of consumer grade HRMs in different papers