Nr. Heart rate monitor Testing protocol Accuracy (min) Accuracy (max) Reference ECG device Scientific paper 1 Firstbeat Bodyguard 2 not discussed in this table 99,95 99,96 after artifact removal Embla Titanium 2 lead ECG [90.8.1] 2 Polar S610 not discussed in this table 99,80 100 Vyntus ECG [90.8.4] 3 Polar H7 not discussed in this …