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Home > Polar > CS600X

Polar CS600X Heart Rate Monitor Cycling Computer

Polar CS600X Cycling Heart Rate Monitor

The Polar CS600X is a top of the range advanced cycling heart rate monitor specially designed for cycling training. It is the next model after the CS500 in the Polar's CS series, but strictly speaking the Polar CS600X is based on (and improves upon) the Polar CS400. The CS500, despite what one would expect, is a less advanced model with considerably less features compared with the CS400.

The CS600X package includes the following parts: Cycling computer, Polar WearLink W.I.N.D. transmitter, Polar bike mount, Polar Speed Sensor W.I.N.D., and a CD-ROM with the Polar ProTrainer 5 software and the user manual. It is also compatible with the optional accessories: Polar Cadence Sensor W.I.N.D., Power Output Sensor W.I.N.D., and Polar G3 GPS Sensor W.I.N.D.

Note that there is an older CS600 model which is not compatible with the Polar G3 GPS Sensor W.I.N.D.

Note: In the list below BPM stands for Beats per Minute and % of Max HR stands for Percentage of Maximum Heart Rate.

The main features of the Polar CS600X heart rate monitor are:

  • Continuous heart rate monitoring from the wireless chest strap using Polar 2.4 GHz W.I.N.D. wireless transmission
  • You can set heart rate limits during your training if required. You can do so manually or via OwnZone. You can also make use of Polar Sport Zones.
  • Polar CS600X can perform a determination of your heart rate training zone using the OwnZone feature. This is based on how fit you are on the day of your exercise.
  • The heart rate can be displayed as BPM or % of Max HR or % of HR Reserve
  • It alerts you when you train above or below your heart rate/cadence/speed*/power** limits depending on your choice of limits to set.
  • If the appropriate accessories are installed, it is possible to set upper and lower cadence limits* or power limits**.
  • You can choose one of the following pre-set exercise type: Free, Basic, OwnZone, Interval. You can also choose to create and save your own custom exercise type.
  • When you create your own exercise, you can choose the number of zones (1 to 3). For each zone, you specify the zone type (heart rate, speed, cadence* or power**) and its limits. For each zone you also set up a time or a distance after which the zone changes. So for example if you have set up the number of zones to be 3, then you may want to set up zone 1 to last 15 minutes, zone 2 to last 10 minutes and zone 3 to last 30 minutes etc. The CS600X will alert you when it is time to change zone.
  • Alternatively you can also create your own exercise without zones. You choose timers/distances in this exercise. If you choose timers, you can have up to 3 timers and specifiy the duration for each timer. Likewise if you choose distances, you can have up to 3 distances and specify the length for each distance. The CS600X will alert you when each timer or distance has been completed.
  • Polar Fitness Test: It is a simple test and it gives you a score called OwnIndex (comparable to VO2 Max) measuring your cardiovascular fitness. The test also calculates your predicted maximum heart rate.
  • Polar OwnOptimizer: Polar CS600X provides this test to see if you have experienced overtraining and also to see if you have had adequate recovery after you have done some intense training.
  • Stop watch: Use it to start and stop exercise recording/session. Alternatively you can use AutoStart when you are cycling.
  • AutoStart: If this feature is switched on, exercise recording will start and stop when you start and stop cycling.
  • The Polar CS600X can record lap. The display will show lap number, average heart rate of lap, lap time, lap distance and average speed.
  • AutoLap: If this feature is switched on, the cycling computer automatically records laps when you reach a set distance e.g. 1 km or 1 mile.
  • The following default information can be viewed while cycling: heart rate, trip distance, speed, calorie burnt rate, average heart rate, average speed, stop watch (exercise duration), time of day, incline, altitude, heart rate graph, altitude in graph, countdown timer, zone pointer. Other pieces of data may include (depending on the accessories installed): lap number, lap time, lap distance, calories burnt, distance cycled, estimated time of arrival, RR variation, cycling economy, ascent, descent, temperature, cadence*, average cadence*, max speed, power**, pedal index**, L/R balance**, time in zone. If you use the G3 GPS sensor, you may also see data obtained from GPS sensor such as GPS speed/pace***, GPS max speed***, GPS average speed***. All this information is not displayed all on a single screen but distributed over several screens. You can move from screen to screen by pressing a button. The display can be zoomed, illuminated and autoscrolled.
  • The estimated time of arrival feature requires that you first set the distance you are going to ride. The cycling computer then estimates the time you are going to arrive according to your riding speed.
  • The graphical view compares 2 values during exercise. The values that can be compared are power**, speed, altitude, heart rate. So for example you can have a graph of speed vs heart rate so that you can see how the two quantities correlate.
  • Polar CS600X can store up to 99 Files (exercise summaries)
  • Each File contains a lot of information. Basic information includes: Date and time of exercise, distance, duration, maximum heart rate, minimum heart rate, average heart rate, target zone limits for each zone, time in, above, below each target zone, calories burnt. Cycling information includes: maximum speed, average speed, distance, maximum cadence*, average cadence*, maximum power**, average power**, cycling efficiency**, left/right balance**, pedaling index**, calories per kilometer, max incline, max decline, altitude (max, min, average), ascent, descent, temperature (max, min, average), odometer. If exercise includes phases, then phase information will also be available. If you take laps, then detailed lap information (see next bullet point) will also be available.
  • You can review total number of laps, best lap time and number. For each lap, you see the lap number, split time, lap time, maximum heart rate, average heart rate, end heart rate of lap, average speed, end speed of lap, lap distance, maximum cadence*, average cadence*, average power**, end power of lap**, average pedaling index**, cycling efficiency**, incline, altitude, ascent, descent, temperature.
  • Weekly summaries: You can see, for each of the past 16 weeks, the week's total calories, distance, and exercise time. You can also see the total time spent in each heart rate sport zone.
  • You can view various Total Values since the last reset: bike 1 distance, bike 2 distance, bike 3 distance, GPS distance***, total distance, total duration, total calories, total exercise count, total ascent, total odometer. Note: You can set up the computer for 3 bikes. The numbers 1, 2, 3 above indicate to which bike the quantity refers.
  • Basic time keeping: Time, 2 time zones, date, alarm
  • You need to enter personal settings such as weight, height, date of birth, sex and activity level to help ensure accurate feedback on your performance e.g. calorie consumption. You can also override the defaults for maximum heart rate, sitting heart rate and VO2max. You also have to input the wheel size for your bike(s).
  • There is a choice of recording rate: Now you can choose to record your heart rate, speed, cadence, power and altitude in 1, 2, 5, 15 or 60 seconds interval.
  • RR data recording can be switched on/off if required. This enables the Polar ProTrainer 5 software to analyse your heart rate variability.
  • Keylock: This prevents accidental pressing of buttons
  • Sleep function: Activating it will help save battery when not in use.
  • You can set up reminders and events to help you remember or plan things.
  • The Polar Bike mount is used to attach the cycling computer securely on to the bike.
  • The Polar Speed Sensor W.I.N.D. measures speed and distance while you are cycling.
  • The Polar WearLink W.I.N.D. transmitter is included.
  • The Polar Cadence Sensor W.I.N.D. (optional) measures the speed at which you turn the pedals of your bicycle.
  • The Power Output Sensor W.I.N.D. (optional) measures power output, pedaling index and left/right pedaling balance.
  • The GPS function can be activated on Polar CS600X with the use of the Polar G3 GPS Sensor W.I.N.D. (optional).
  • Backlight
  • Polar ProTrainer 5 software: It is a desktop PC software to help you plan your training and analyse your performance. Use it to set up weekly and daily targets in terms of calories, distance, duration and times in various heart rate zones. You can also use it to set up exercises with phases. Note that the PC needs to have an IrDA compatible port: either an external IrDA device or an internal IR port in order to transfer data.

* = available only when the optional Polar cadence sensor W.I.N.D. is used

** = available only when the optional Polar power output sensor W.I.N.D. is used

*** = available only when the optional Polar G3 GPS sensor W.I.N.D. is used

The differences between the models Polar CS600X and CS400 are highlighted in bold in the list above. Bold in black means those features are found in CS600X but not in CS400. Note that comparisons are not made between CS600X and CS500. CS500 is overall actually a less advanced model than CS400 in terms of features.

Here are the main differences between Polar CS600X and CS400. The CS600X cycling computer now communicates with ALL its accessories using Polar W.I.N.D. technology to minimize effects of interference. The Polar CS600X now supports the optional Power Output Sensor W.I.N.D. to give you extra data such as power output, pedaling index and left/right pedaling balance. It also supports the optional Polar G3 GPS Sensor W.I.N.D. to give you tracking data and route information on mapping software. The Polar OwnOptimizer feature checks if you have overtrained or have had sufficient recovery, so you know whether to ease off your training a little or to increase the intensity of your training. The Polar CS600X now also provides RR recording data i.e. beat to beat variation in heart beat intervals.

Just like the Polar CS400, the Polar CS600X lets you set your recording rate, which means that you can, if you wish, collect extremely detailed information about your performance. Coupled with integration with the Polar ProTrainer 5 software, this means that you can plan and analyse your training in a very precise and detailed manner.


The Polar CS600X heart rate monitor is an advanced model in Polar's CS series for cyclists. It is a dedicated cycling computer and is able to measure cycling speed, distance, cadence (optional) and power (optional). It can optionally provide tracking information. It uses new Polar W.I.N.D. technology to reduce the effects of interference. It can now also measure RR data. It is equipped with the AutoStart feature and can record laps. Polar CS600X has many exercise options so that you can customise your exercise the way you want it, especially when used in conjunction with the Polar ProTrainer5 software. The included Polar Fitness Test helps keep track of fitness improvement over time. The Polar OwnOptimizer helps you prevent overtraining and ensure that you have adequate recovery after hard sessions. It has detailed information display while you are cycling, and the exercise logs provide even more data for you to analyse after your training. You can collect data on a second-by-second basis. The Polar CS600X is for professional cyclists and for those who take their cycling training very seriously.

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Useful Information
Reviews: This page has a concise summary of Polar heart rate monitor reviews.
Further information: Visit Polar's official web site.

The next one up in Polar's CS series is the Polar CS500 heart rate monitor.

Not sure which heart rate monitor is right for you? Take a look at the Which Heart Rate Monitor page.

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