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Polar RS300X Heart Rate Monitor

With the Polar RS300X you get all the essential heart rate features with a good-looking and simple-to-use training computer. The RS300X is compatible with the optional S1 foot pod™ so you can combine heart rate with speed and distance. Includes the new H1 chest transmitter.

Polar RS300X Heart Rate Monitor Quantity in Basket:none
Code: PORS300X
Regular Price: $149.99
SALE PRICE: $98.95
You save: 34%


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Shipping Weight: 0.63 pounds

Select Color
Select WearLink Chest Transmitter Size
XS-S 22"-32"
M-XXL (standard) 27"-54"
The Polar RS300X is the perfect training computer for recreational athletes!

  • EKG-accurate heart rate displayed in beats per minute or percent of max
  • Automatic or manual target zones with visual and audio alarms
  • Large easy-to-read display
  • Easy start setup (setting wizard)
  • Event countdown timer and stopwatch
  • Graphical target zone indicator
  • User configurable display layout
  • Upload data to polarpersonaltrainer with Polar FlowLink interface (see below)
  • Display text in English, German, French and Spanish
  • Polar exercise features:
    - 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 or age-based)
    - Interval trainer (HR, pace, distance) guided workouts
    - Maximum heart rate of each lap
    - Maximum heart rate of total exercise
    - Maximum number of laps - 99
  • Polar Fitness Test™ with OwnIndex®
  • Polar OwnCal® - OwnCode® (5kHz)- OwnZone® - Sport Zones
  • ZoneLock & ZonePointer
  • Records up to 16 exercise files with the following:
    - Average heart rate
    - Calorie expenditure during exercise
    - Total exercise time
    - Exercise file info page with date and time
    - Lap info
    - Last OwnIndex
    - Maximum heart rate
    - Target zone limits with time in target zone
  • Dual time zone watch with calendar and alarm with snooze
  • Low battery indicator
  • Backlight for easy low-light viewing
  • Water resistant to 50m
  • Includes new H1 coded transmitter and soft strap

  • Related Accessories
    Code Name Price Qty.  
    Polar bike mount kit $11.95
    Renata CR2025 battery $1.99
    Renata CR2032 battery $1.99
    Polar S1 Foot Pod $95.99
    Polar T31C Coded Transmitter Set $39.14
    Polar FlowLink Computer Interface $43.88
    Spectra 360 Conductive Gel $4.99
    Polar Soft Strap Replacement Strap $16.95

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