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Polar S725x Cyclists Heart-Rate Monitor

Polar S725x Cyclists Heart-Rate Monitor

The Polar S725x Cyclists Heart-Rate Monitor stores exercise files for analysis and notable routines can also be monitored.

The Polar S725x also utilises state-of-the-art infrared technology with a separately available Polar Infrared Interface for transferring the training data to PC for further analysis by Polar Precision ProTrainer 5.

Please note: you will need a Polar USB IRDA adaptor to download the heart-rate data from the Polar S725X to your PC.


Polar exercise features Yes
Wireless ECG accurate heart rate Yes
Exercise Set (extended exercise profiles) 5
Polar OwnCal Yes
Polar Fitness Test with OwnIndex Yes
Polar OwnCode Yes
Target zones with visual alarm 3
Target zones with audible alarm 3 (not in bike mode)
HRmax (Polar Fitness Test-based) Yes
HRmax (age-based) Yes
Interval timers Yes
Maximum heart rate of total exercise Yes
Average heart rate of total exercise Yes
Average heart rate of each lap Yes
Maximum heart rate of each lap Yes
Recovery measurement (HR/time) Yes
Number of laps 99
Exercise date Yes
Altitude and ascent Yes
Cycling features
Trip Yes
Distance based interval Yes
Distance based recovery measurement Yes
Speed (current, average and max) Yes
Wheel size settings for two bicycles Yes
Bike mount Yes
Speed sensor Wireless
Cadence sensor Optional wireless
Polar power output sensor Optional wired
Temperature and altitude Yes
Weight management features
Polar OwnCal Yes
Altimeter features
Altitude with graphical trend Available via PC software
Cumulative ascent and descent Available via PC software
Mobile connectivity
Polar MobileLink Yes
Computer connectivity
Transfer exercise data from wrist unit to Polar Personal Trainer web service via Polar WebLink (SonicLink/Infrared) Yes
Transfer logos from Polar web site to wrist unit (UpLink) Yes
Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar product (UpLink) Yes
Compatible with Polar Precision Performance analysis software Yes
Data transfer
Infrared using external Polar IR Interface (optional) Yes
Internal/external non-Polar IrDA port Yes
UpLink Yes
Recording features
Number of exercise files (with summaries) 99
Exercise file info page with date and time Yes
Exercise Time (total) Total
Time in target zone Yes
Target zone limits Yes
Last OwnIndex Yes
Calorie expenditure (Exercise/Total/Fat%) Exe.Tot.
Recording rate 5 s, 15 s, 60 s
Memory left indication Yes
Lap info Yes
Aerobic/anaerobic threshold summary Yes
Basic features
Heart rate (displayed as bpm) Yes
Heart rate (displayed as % of maximum heart rate) Yes
Automatic/Manual target zone (% / bpm) bpm
Visual and audible alarm in target zones Only visual in cycling mode
Water resistance 30 m
Backlight Yes
HeartTouc, button-free operation of wrist unit Yes
Watch features
Time of day (12/24 h) with alarm Yes
Dual time zone Yes
Date and weekday indicator Yes
StopWatch Yes
Exercise reminder (visual/alarm) Yes
Low battery indicator Yes
Transmitter belt
Polar WearLink 31 coded transmitter (changeable battery) Yes
Polar T61 coded transmitter Compatible
Polar S725x Cyclists Heart-Rate Monitor
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