Last Updated on March 12, 2024 by pg@petergamma.org For other activies than intense activities with strong body movements, which are discussed in this paper: 3 channel ECG devices are gold standard for HR measurement, which means are the most accurate devices: https://petergamma.org/category/ecg-devices/ The cheapest 3 channel ECG can currently found from OpenBCI: https://docs.openbci.com/GettingStarted/Biosensing-Setups/ECGSetup/ starting from … Continue reading Why can we not use 3 x Polar H10 chest straps for 300 USD for the patients in the hospital?