Here’s our latest study testing the accuracy of the ithlete vs ECG.
“Validity of the ithleteTM Smart Phone Application for Determining Ultra-Short-Term Heart Rate Variability”
I don’t know if I misunderstood your paper. You wanted to test the ithlete receiver and chest-strap hardware. In the procedure section, you mentioned that each subject was equipped with “heart rate transmitter and an elastic strap (Non-Coded Polar T-31, Polar Electro Oy, Kemple, Finland)”. So you were testing Polar transmitter, ithlete receiver, and ithlete software. So the heart rate monitors used were from Polar and not any of the ones sold on ithlete’s web page?
The manufacturer provides a list of compatible chest strap monitors on their site:
Polar T31, T34, T61
Polar T31 coded (incl Wearlink)
Nike analog chest transmitter belt
Sigma Sport non coded
Oregon Scientific analog
Decathlon Geonaute HRM Chest belt
We use the Polar T-31 (among a few other Polar models) in our lab and therefore used that one for the cross-validation. So no, we did not use the brand that ithlete sells on their website.
Gotcha Andrew, thanks for the clarification.
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Andrew Flatt PhD, CSCS
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