Polar R-R Intervals Online HR Variability
Measures heart beat intervals and reflects autonomic nervous system in heartbeat regulation.
Measures your heartbeat intervals and reflects autonomic nervous system activity in heartbeat regulation. The R-R interval measurement is most useful at rest and at low intensities. Relaxation rate indicates the state of your physical recovery.
Related Polar Heart Monitors
Polar RS800 is designed for the elite level training. The new RS800 running computer is a complete system for planning, monitoring and analyzing your training. It provides an optimum combination of features for elite level athletes and their coaches.
A pro’s cycling system. For the professional cyclist and also for you who want to ride with the best of the best. CS600 with the Power Output Sensor W.I.N.D. is the most complete cycling system on the market for serious performance oriented riders and their coaches for planning, monitoring and analysing the training.
Together with adidas, Polar has created something unique, something truly revolutionary! the world's first integrated training system, combining the Polar s3 stride sensor, Polar WearLink transmitter, Polar RS800 Running computer, the adidas adistar Fusion apparel and the adidas adistar Fusion shoe.
Train with the new RS800G3 and enjoy speed and distance measurement well beyond running.
