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Polar RS300X G1 Heart Rate Monitor and Sports Watch

by Polar
3.1 out of 5 stars  See all reviews (23 customer reviews)

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Colour: Black

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  • Automatic age-based target zone - bpm / %
  • Average and maximum heart rate of each lap
  • Polar Fitness Test
  • Polar OwnCal® - calorie expenditure
  • Polar OwnCode® (5kHz) - coded transmission
  • Polar OwnZone® - personal heart rate zone
  • Polar sport zones
  • G1 GPS sensor for Distance and Speed measurements
  • Training files (with summaries) - 16
  • Graphical target zone indicator
  • HeartTouch - button-free operation of wrist unit
  • Interval trainer guided workouts - heart rate / pace / distance
  • ZoneLock
  • ZonePointer
  • StopWatch
  • Time of day (12/24h) with alarm and snooze
  • Weight: 41g

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There is a newer model of this item:
Polar RS300X Black Heart Rate Monitor Polar RS300X Black Heart Rate Monitor 3.3 out of 5 stars (37)
£74.50
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Colour: Black

Product details

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  • ASIN: B001ULCNQ2
  • Date first available at Amazon.co.uk: 17 April 2009
  • Average Customer Review: 3.1 out of 5 stars  See all reviews (23 customer reviews)
  • Amazon Bestsellers Rank: 91,691 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Product Description

Manufacturer's Description

Body measurement features:

Automatic age-based target zone – bpm / %

To help you train safely and effectively, the training computer determines your heart rate target zone limits automatically according to your age-based maximum heart rate (220 minus age). The limits are determined either in beats per minute (bpm), as a percentage (%) of your maximum heart rate, or as a heart rate reserve (% HRR). See also Maximal oxygen uptake (VO2max) and Manual target zone.

Heart rate – bpm / %

Heart rate is the measurement of the work your heart does. Heart rate can be expressed as the number of beats per minute or as percentage of your maximum heart rate. Heart rate can also be expressed as a percentage of your heart rate reserve, meaning the difference between your resting heart rate and maximum heart rate (HRR = HRmax - HRrest). In Polar software or during strength training, heart rate can be displayed as a graphical trend.

HR-based target zones with visual and audible alarm

You can define your target zones for a training session based on heart rate to help define the right intensity. When you are out of the preset zones, the training computer will give a visual and audible alarm.

HRmax (age-based)

The highest number of heart beats per minute (bpm) during maximum physical exertion. For a rough estimate of your maximum heart rate, subtract your age from 220. HRmax is a useful tool for determining the intensity of training as intensity zones can be defined using HRmax. Some Polar products define maximum heart rate during the Polar Fitness Test, see also HRmax (Polar Fitness Test -based).

HRmax (Polar Fitness test-based)

Some Polar products predict your HRmax simultaneously with the Polar Fitness Test. This predicted HRmax value is more accurate than the age-based formula (220 minus age).

Manual target zone – bpm / %

This feature enables you to define the target zone as you want and is suitable for your training. You can set the target zone for your training as beats per minute (bpm), as a percentage of your maximum heart rate, or as a percentage of your heart rate reserve (HRR%).

Polar Fitness Test

Polar Fitness Test measures your aerobic fitness at rest in just five minutes. The result, Polar OwnIndex, evaluates your maximal oxygen uptake (VO2max). With the Polar Fitness Test you can measure your aerobic fitness by yourself, automatically and without any exertion. All you need is your training computer. The Polar Fitness Test is as accurate in predicting the VO2max as any sub maximal fitness test. The test is based on heart rate and heart rate variability at rest and personal information.

Polar OwnCal® – calorie expenditure

Polar OwnCal calculates the number of kilocalories expended during training. This feature allows you to follow the kilocalories expended during one training session and cumulative kilocalories expended during several training sessions. Some Polar products also estimate the fat-burning percentage (fat% on display), that is, kilocalories expended from fat during a workout which is expressed as a percentage of the total kilocalories burned.

Polar OwnCode® (5kHz) – coded transmission

Coded heart rate transmission automatically locks in a code to transmit your heart rate to the training computer. The training computer picks up your heart rate from your transmitter only. Coding prevents interference from other training computers.

Polar OwnZone® – personal heart rate zone

Polar OwnZone® determines your personal heart rate limits for a training session. Depending on the day and time, your physical state may vary, for instance, if you are stressed or tired, or if you are not fully recovered from your latest training session, Polar can determine that information from your heart rate and guide you to your ideal training zone for that moment.

Polar sport zones

Polar sport zones provide an easy way to select and monitor the intensity of your training and to follow sport zones based training programs. Training is divided into five zones based on percentages of your maximum heart rate: very light (50-60%HRmax), light (60-70%HRmax), moderate (70-80%HRmax), hard (80-90%HRmax) and maximum (90-100%HRmax).

G1 GPS sensor features:

Distance – training, lap, and total

Distance (km, mi) can be set and measured in several ways. Training distance tells you the distance traveled during a training session. Trip distance tells you the distance from the latest trip reset. Lap distance tells you the distance of one lap. Total distance is the distance accumulated since the last reset. Odometer tells you the cumulative distance which you cannot reset.

Speed-based target zones with visual and audible alarm

You can define your target zones for a training session based on speed. When you are out of the preset zones, the training computer will give a visual and audible alarm.

Speed/Pace – current, average and maximum

Speed (km/h or mi/h) is measured with GPS, footpod, stride sensor or cycling speed sensor. Pace (expressed as min/km or min/mile) stands for the rate of speed. Pace is usually used in running. By setting a target pace, you can follow how fast you need to run in order to reach a certain distance in a predefined time.

Recording features:

Totals

Totals includes your training data starting from the last reset enabling you to follow your long-term training.

Weekly history

Weekly history gathers your weekly training data. By selecting a week, you can review your training data for the week.

Training features:

Automatic lap recording

With this feature you can set your training computer to take laps based on preset distance, for example, every 1 km/mi.

Display zoom

Display zoom feature allows you to zoom in information on the display during training.

Graphical target zone indicator

This feature points out graphically on the display the zone you are in during a training session helping you to stay on the desired intensity zone.

HeartTouch – button-free operation of wrist unit

When HeartTouch is on, different training information during training can be accessed without pressing buttons, for instance, when gloves make pressing buttons difficult, by bringing your training computer close to your transmitter.

Interval trainer guided workouts – heart rate / pace / distance

Create interval guided workouts based on time, heart rate, speed/pace or distance guidance with up to three linked timers or distances and up to three target zones.

Time and distance based interval timers

Use timers, for example, as a training tool in interval training to tell you when to switch from a harder to a lighter period and vice versa. The timers can be time- or distance- based.

User configurable displays – two lines

This feature allows you to configure training computer displays to show the information that you need during your training session. Configure the displays either in the training computer or in ProTrainer 5 software.

ZoneLock

ZoneLock feature helps you to accumulate certain intensity. You can either lock a zone before a training session or during it by pressing a button when you are on the desired zone.

ZonePointer

ZonePointer is a visible and moving symbol on the training computer display indicating whether you are inside the pre-set target zone. This feature helps you to reach the desired intensity/pace/speed/cadence targets.

Watch features:

  • Backlight
  • Date and weekday indicator
  • Display text in English, German, French, and Spanish
  • KeyLock
  • StopWatch
  • Time of day (12/24h) with alarm and snooze
  • Water resistant – 50m
  • Product Description

    Speed and distance is nothing without heart rate monitoring. The RS300x G1 helps you combine these three elements to properly make sense of your training and goals. G1 GPS sensor provides speed and distance in various outdoor sports, so you know it's worth all the effort.

    Customer Questions & Answers

    Customer Reviews

    Most Helpful Customer Reviews
    26 of 27 people found the following review helpful
    5.0 out of 5 stars Great Product! 10 Dec 2009
    I have had an Polar RS300X G1 for 6 months now. The product not only has all the functions of a running computer that any other brand has but also has a lot more heart rate based functions to use. Comfortable belt, lightweight GPS sensor for my speed and distance which takes normal AA bats. I also bought a flowlink to download my files onto Polar Personal Trainer which is realy useful when training. I could not do with out my RS300X G1 now for me it beats anything else on the market at that price and it's the market leading brand.
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    25 of 26 people found the following review helpful
    1.0 out of 5 stars Heart Rate Great GPS hmmm 26 Oct 2010
    By IH
    Just thought i would share my experiences i have had with this watch and hopefully give others some advice to get the best from the GPS which is rather flakey.

    First I do like the way the watch works in the menus it is better than the polar rs100 i used to use

    When this watch works its brilliant (even the GPS the heart rate and calorie readings all work accurately as you would expect from polar but unfortunately when its not working its very frustrating and the GPS is much to be desired. The first 16-20 runs i didnt have any problems but now the GPS is dissapointing.I think at one point every third run was a failure with the GPS just not recording distance speed and pace until i do the points i listed below

    Following points to help with GPS issues some i have found and some i am confirming what others have mentioned on this site.

    1. Before you go for run place GPS on a table and sit by the watch to get a fix on the GPS signal this is the best and quickest way. once you have signal then put watch and GPS on.This can take a few minures the newer the battery the quicker it seems to pick up a signal
    2. Use a fresh rechargeable batteries for the GPS so the recharged battery is stronger and the GPS performs better
    3.Charging and changing the GPS battery on every run seems to reset the GPS and therefor has less chance of it failing you on a run.
    4.My Recommendation would be not to change the watch displays when running unless you want to lock up your watch and loose current GPS details.This only happens sometimes but enough to put you off changing any views until your run has finished.
    Read more ›
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    6 of 6 people found the following review helpful
    1.0 out of 5 stars Caveat Emptor - when a GPS is not really a GPS 21 Mar 2011
    Colour Name:Orange
    Always read the small print and never make assumptions about products - that's the lessons I learned after buying this product. I had assumed that the GPS device that comes with this heart rate monitor had something to do with global positioning - maybe doing what most GPS devices do and allow you to map activities after you have finished. However this GPS device does not do that. In fact all it does not do this - all it does is provide a way to capture distance and pace (kind of like a really awkward and less accurate foot pod). In fairness to Polar it does not say anywhere in its material that it does have this feature - I guess I though that went without saying - after all that is the main reason for buying a GPS enabled device. Keep help feeling little bit deceived by the folks at Polar.

    My advice is don't waste your money on the GPS device. The heart rate monitor is fine but if you buy a RS300X, save yourself some money and buy the foot pod instead. Better still buy a Garmin which does it all for less and also gives you a real GPS built in ...

    Garmin Forerunner 301 GPS-Enabled Personal Trainer with Heart Rate Monitor
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    6 of 6 people found the following review helpful
    4.0 out of 5 stars Great HRM, Ok GPS 28 Oct 2010
    I purchased this watch with this flowlink a couple of weeks ago. Since then I have used on 7 running sessions. I had a polar HRM only before and this watch doesn't disapoint in terms of heart rate measurement and functionality. It seems accurate, and the zoning has helped me to avoid anaerobic running - which has helped recovery noticably.
    On the GPS side though, its a little disapointing. The Polar specs state that the pace is +/- 2kmh, which I believe is due to inherent GPS limitations. This is more noticable at low speeds (i.e. jogging) - I have had pace vary from <3min/km to >7min/km while I think I am reaonably constant.... Ok, so pace fluctuation is inherant in the technology by distance shouldn't be... I have run the same fairly straight sub-urban route three times and have had the distance recorded as 4.9, 5.1 and 5.5 Km - thats more variation than I would have expected.
    As well as HRM and GPS functionality my other reason for purchase was to use the recorded data. To get your data up to the polarpersonaltrainer.com website you need the separate flow link. It takes a little perseverence/time to get it to recognise the watch but works well enough. The web site is fairly basic but does provide a reasonable level of analysis of the basics of your activity. One thing that seems notably missing is any abillity to do anything with the GPS data. I don't see any way to view your routes or compare between sessions around the same course.

    In summary, I'd say this is a capable HRM product with basic pace and distance capability as an add on. I would recommend it, but with the limitations mentioned.
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    Most Recent Customer Reviews
    1.0 out of 5 stars Poor functionality and grossly overpriced
    I have had this for three months now with about 10-20 runs on it. It is my first dedicated running watch. Read more
    Published 20 months ago by Expatbrit
    3.0 out of 5 stars good watch, useless gps sensor
    The watch itself is fine, but the problem is the gps sensor. It takes several minutes to lock onto suitable satellites, and as soon as I start running it constantly loses and... Read more
    Published 21 months ago by shotarustaveli
    1.0 out of 5 stars rubbish!
    It is important to note that you can't make the Polar 'curves' plot or the GPS overlay with the RS300X as shown on the Polar website, all you can get is a session summary. Read more
    Published 24 months ago by Dan
    5.0 out of 5 stars Excellent
    Watch arrived very quickly and just as described. Goods were in perfect condition. Very happy with the purchase. Thank you.
    Published on 10 Jan 2012 by Miss Jacq
    4.0 out of 5 stars Polar RS300X G1 GPS
    This heart rate monitor is flexible to many different purposes. Display can be customized i.e. what information you will see on to upper rows. Read more
    Published on 26 Sep 2011 by Skermit
    5.0 out of 5 stars Fantastic Watch
    I bought this to see exactly how far and how fast I was running over a set distance.

    It does it perfectly. Read more
    Published on 24 Sep 2011 by Mr. Colin Brooks
    1.0 out of 5 stars Truly dreadful
    The watch part and the heart-rate monitor seem to work well, it's the GPS unit that makes the whole thing a shambles. Read more
    Published on 9 Sep 2011 by grammus
    3.0 out of 5 stars HRM : Okay.... GPS : waste of time!
    I have been using this product for nearly two years now, so consider myself to be fairly qualified to speak on its performance and foibles. Read more
    Published on 5 July 2011 by Purple Ferret
    5.0 out of 5 stars Polar RS300X G1
    Was a bit sceptical about Heart Rate Monitors,but was assured by a Triathlete, that they would help my training performance, and increase my output. Read more
    Published on 22 Nov 2010 by Mr. A. Pickering
    4.0 out of 5 stars good product, even better when have the download pad
    Good product, found not that easy to set up! Think you have it in the correct mode but it has changed when look back at the workout. Read more
    Published on 10 Nov 2010 by cp
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