Here is shown how to connect the different components of the Q Tel RMS system to each other, used in studies of consumer grade heart rate monitors of the group of Cardiologist Milind Desai, MD:

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Don t mix it up when you install it in your lab.

For your ECG study, choose the device which fits best for your needs:

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