RS300x Polar Heart Rate Monitor

For enhanced training

Every athlete has goals that they want to keep to in order to take their personal performance to the next level. With the Polar RS300x we can help you meet those goals by providing you with a variety of training-specific features together with all the essential heart rate functions.

• Measures your heart rate combined with flexible timing features
• Sets your heart rate sport zones depending on how hard you want to train
• Tracks your latest 16 training sessions and your last 16 weeks of training
• Calculates your time spent on each training zone to show how effective your training session was

• Basic features
  • Automatic/Manual target zone (% / bpm / HRR%)
  • Backlight
  • Display zoom
  • Easy start (setting wizard)
  • Event Countdown Timer
  • Graphical target zone indicator
  • Heart rate (displayed as % of maximum heart rate)
  • Heart rate (displayed as bpm)
  • HeartTouch™, button-free operation of wrist unit
  • KeyLock
  • Over-sized display
  • User configurable displays - all lines
  • Visual and audible alarm in target zones
  • Water resistant - 50m
• Computer connectivity
  • Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar product (UpLink)
  • Transfer exercise data from wrist unit to polarpersonaltrainer.com via Polar WebLink (SonicLink/Infrared)
  • Transfer logos from Polar web site to wrist unit (UpLink)
• Cycling features
  • Bike mount - opt.
• Data transfer
  • SonicLink (PC with a sound card and microphone required)
  • UpLink (PC with a sound card and headphones/dynamic loudspeakers required)
• Language features
  • Display text in English, German, French and Spanish
• Polar exercise features
  • Automatic lap recording - opt.
  • Average heart rate of each lap
  • Average heart rate of total exercise
  • Exercise Date
  • Exercise Set (extended exercise profiles)
  • HR-based target zones with audible alarm - 3
  • HR-based target zones with visual alarm - 3
  • HRmax (Polar Fitness test-based)
  • HRmax (age-based)
  • Interval timers
  • Interval trainer (HR, pace, distance) guided workouts
  • Maximum heart rate of each lap
  • Maximum heart rate of total exercise
  • Number of laps
  • Polar Fitness Test™ with OwnIndex®
  • Polar OwnCal®
  • Polar OwnCode® (5kHz)
  • Polar OwnZone®
  • Polar sport zones
  • Wireless ECG accurate heart rate
  • ZoneLock
  • ZonePointer
• Recording features
  • Average heart rate
  • Calorie expenditure (Exercise/Weekly/Total/Fat%) - exe.total
  • Exercise Time (total)
  • Exercise file info page with date and time
  • Lap info
  • Last OwnIndex
  • Number of exercise files (with summaries) - 16
  • Target zone limits
  • Time in target zone
• Running features
  • Distance summaries - opt.
  • Run Distance - opt.
  • Polar S1 foot pod™ - opt.
  • Speed displayed in pace, or kmph/mph - opt.
  • Speed/Pace and Distance - opt.
  • Speed/Pace summaries - opt.
  • Speed/Pace target zones - opt.
  • Target pace - opt.
  • Target pace alarms - opt.
  • Time and Distanced based interval timer - opt.
  • Totals mileage, kilocalories, time training - opt.
  • Trip Odometer - opt.
• Transmitter belt
  • Polar T31 coded™ transmitter - compatible
  • Polar WearLink® 31 coded transmitter (changeable battery) - compatible
  • Polar WearLink® + 31 coded transmitter (changeable battery)
• Watch features
  • Alarm with snooze
  • Date and weekday indicator
  • Dual time zone
  • Low battery indicator
  • StopWatch
  • Time of day (12/24h) with alarm