Rob ter Horst, the post-doctoral researcher from Vienna, Austria who is specialized in biological data analysis who want to make us believe that consumer grade HRMs are highly accurate – but where is the scientific proof for his statements published in scientific papers about the accuracy of his more than 100 smartwatches?

After DC Rainmaker who reviewed over many years consumer grade monitors, and again and again talked about their high accuracy: DC Rainmaker about the Verity Sense: Read there the discussion between DC Rainmaker and Peter Gamma from www.petergamma.org about the Polar Verity Sense firmware update, which made Peter Gamma from www.petergamma.org retreat from discussions with …