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Home . Narrow By Price . $200 - Up . Polar RS800CX BASIC Heart Rate Monitor
Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BASIC Heart Rate Monitor

Polar RS800CX BASIC Heart Rate Monitor

Reg Price $439.95
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Color: Black / BasicOut of Stock
  • Polar RS800CX BASIC Heart Rate Monitor
  • Polar RS800CX BIKE Heart Rate Monitor with Speed Sensor
  • Polar RS800CX BIKE PRO Training Edition Heart Rate Monitor - with Speed/Cadence
  • Polar RS800CX G5 GPS Heart Rate Monitor
  • Polar RS800CX PREMIUM Multi-Sport GPS Heart Rate Monitor Pack

Basic Features
  • For multisport athletes who want to achieve their absolute best in any endurance sport
  • The pack includes three sensors to cover all endurance sports
  • Helps avoid over or under training by aiding you to train at the right intensity
This item is currently out of stock!
Replacement Battery for Polar RS800CX Training Heart Rate ComputerReplacement Battery for Polar RS800CX Training Heart Rate Computer $7.95
Replacement Battery for Polar H3  Heart Rate Sensor TransmitterReplacement Battery for Polar H3 Heart Rate Sensor Transmitter $7.95
Polar H2 Heart Rate Monitor Transmitter SetPolar H2 Heart Rate Monitor Transmitter Set $54.77
Chest Strap Size Options:
Polar Replacement Soft Transmitter StrapPolar Replacement Soft Transmitter Strap $16.95
Size Choices:
buh-bump Heart Rate Electrode Cream (2.5 oz. tube)buh-bump Heart Rate Electrode Cream (2.5 oz. tube) $8.49
Polar CS Speed Sensor W.I.N.D. and Dual Lock Bike Mount 91038568Polar CS Speed Sensor W.I.N.D. and Dual Lock Bike Mount 91038568 $47.88
Polar CS Cadence Sensor W.I.N.D. 91026657Polar CS Cadence Sensor W.I.N.D. 91026657 $39.72
Polar s3+ W.I.N.D. Stride Sensor 91039283Polar s3+ W.I.N.D. Stride Sensor 91039283 $99.95
Polar G5 GPS Sensor 91039781Polar G5 GPS Sensor 91039781 $113.00
This model is no longer available; please click here for similar choices.
Part Number: RS800CX N
If youre an athlete that wants top notch training data to help you train for endurance sports, marathons, competitive runs, triathlons, or other tests of physical performance, then you want the Polar RS800CX with H3 Coded Chest Transmitter and Elastic Strap. Its comfortable and superior when it comes to monitoring. What more could you need when you want to take your sport to the next level?

This Polar heart rate monitor supports multisport athletes who require a wide range of performance information while training. Designed to keep you trained at the appropriate intensity level, the Polar RS800CX prevents over or under training with sophisticated features that support your unique needs as an athlete. Think of it as having your own personal endurance coach, right alongside you, at every step of the journey.

The Polar RS800CX heart rate monitor comes with a H3 coded chest transmitter, Polar ProTrainer 5 software, and a variety of features to support you as an athlete, including:
  • Polar Fitness Test for measuring aerobic fitness levels at rest
  • OwnOptimizer personal training status for optimizing your training load
  • OwnZone personal heart rate training zones
  • OwnCal for calculating calorie expenditures with altitude adjustment
  • Sport zones, unique to whatever sport youre training for at the time
  • Numerous interval based training options, including intervals for time and distance
  • Guided workouts based on intervals, heart rate, or other training criteria
  • Accurate heart rate monitoring, including age-based and fitness-test based zones
  • Zone alarms for keeping you moving at the right training intensity
In The Box
  • Polar RS800CX training computer
  • Polar H3 heart rate sensor
  • Polar IrDA USB Adapter
  • Polar ProTrainer 5 software CD
  • RS800CX Getting Started Guide

Altimeter and barometer features
  • Altitude with graphical trend (available via Polar ProTrainer 5 software) - Altitude is measured with an atmospheric air pressure sensor. Altitude is shown as ascended and descended meters/feet and uphill/downhill steepness in percentages and grades.
  • Altitude, ascent and descent (meters, degrees, percentage) - Altitude is measured with an atmospheric air pressure sensor. Altitude is shown as ascended and descended meters/feet and uphill/downhill steepness in percentages and grades.
  • Temperature
Body measurement features

  • Automatic age-based target zone (bpm / % / % HRR) - 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.
  • Average and maximum heart rate of each lap
  • Average, minimum and maximum heart rate of training
  • Heart rate (bpm / % / % HRR) 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).
  • HRmax (user set)
  • Manual target zone (bpm / % / % HRR) - 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 with altitude adjustment) - 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. The effect of the ambient air pressure is taken into account in the calorie expenditure calculations: in moderate and high altitude there is less oxygen in the air so you can do less work and expend fewer calories at the same heart rate.
  • Polar OwnCode (2.4 GHz W.I.N.D. 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 significantly reduces interference from other training computers. The 2.4 GHz W.I.N.D transmission is disturbance-free from other electronic devices.
  • Polar OwnOptimizer (personal training status) - Polar OwnOptimizer feature is an easy and reliable test to determine whether your training is optimally developing your performance. OwnOptimizer helps you to optimize your training load during a training program so that you experience an increase in performance and do not under-train or overtrain in the long run. Based on the test, you are provided with a scale and description of your personal training status.
  • 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).
  • R-R Intervals / Online HR Variability - R-R Intervals / Online HR Variability feature measures your heartbeat intervals and reflects autonomic nervous system activity in heart beat regulation. The R-R interval measurement is most useful at rest and at low intensities. Relaxation rate indicates the state of your physical recovery.
  • Training load (available via polarpersonaltrainer.com) - This feature is available in Polar software. When you transfer training results from your training computer to polarpersonaltrainer.com, you can follow your training load and recovery in the training diary. Continuous monitoring of training load and recovery will help you recognize personal limits, avoid over- or undertraining, and adjust training intensity and duration according to your daily and weekly targets
CS cadence sensor W.I.N.D. features (Click Here to View Optional Accessory)

  • Bike settings (for two bicycles) - You can define settings up to two to three bikes in your training computer. When you start training, you can select the bike with the correct settings for that particular training session.
  • Cadence (current, average and maximum) - Your cycling cadence stands for your pedaling rate in revolutions per minute (rpm). Cadence is the central factor in improving cycling performance. A higher cadence reduces the force needed for each pedal stroke, and thus improves overall performance. Running cadence measures how many times your either right or left foot hits the ground in one minute. Running cadence is measured as steps per minute. With this feature you can sharpen your cadence and make your ground contact time shorter. This will help you to find a balance between leg power and leg speed.
  • Cadence-based target zones with visual and audible alarm - You can define your target zones for a training session based on cadence. When you are out of the preset zones, the training computer will inform you with a visual and audible alarm.
CS speed sensor W.I.N.D. features (Click Here to View Optional Accessory)

  • Autostart/stop - By activating Autostart/autostop feature, the cycling computer starts and stops training recording automatically when you start or stop pedaling.
  • Bike settings (for two bicycles) - You can define settings up to two to three bikes in your training computer. When you start training, you can select the bike with the correct settings for that particular training session.
  • Distance based interval
  • Distance based recovery measurement
  • Distance (training, lap, trip 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.
  • Incline Measurement - Incline measurement tells you the uphill or downhill inclination in numerical form, helping you to adjust cycling effort accordingly. The feature shows you the uphill/downhill steepness in percentages and grades.
  • Speed current, average and maximum
  • Speed-based target zones with visual and audible alarm
  • SpeedPointer - SpeedPointer feature tells you your speed within set speed limits.
Data transfer
  • Compatible with PC via IrDA USB Adapter
  • Compatible with Polar ProTrainer 5 software via IrDA USB Adapter
  • Compatible with polarpersonaltrainer.com via IrDA USB Adapter
G3 GPS sensor W.I.N.D. features (Click Here to View Optional Accessory)

  • Distance based interval
  • Distance based recovery measurement
  • Distance (training, lap, trip 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.
  • Incline Measurement - Incline measurement tells you the uphill or downhill inclination in numerical form, helping you to adjust cycling effort accordingly. The feature shows you the uphill/downhill steepness in percentages and grades.
  • Route mapping (opt. with polarpersonaltrainer.com web service)
  • Route mapping (opt. with ProTrainer 5 software) -Your training computer stores your route data during training with GPS sensor and enables you to download route information to computer after the training session. Routes are shown in ProTrainer 5 software and can also be easily exported to other mapping and positioning software such as Google Earth.
  • Speed-based target zones with 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.
  • SpeedPointer
G5 GPS sensor features (Click Here to View Optional Accessory)
  • Distance based interval
  • Distance (training, lap, trip 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.
  • Route mapping (opt. with polarpersonaltrainer.com web service)
  • Route mapping (opt. with ProTrainer 5 software) - Your training computer stores your route data during training with GPS sensor and enables you to download route information to computer after the training session. Routes are shown in ProTrainer 5 software and can also be easily exported to other mapping and positioning software such as Google Earth.
  • 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.
  • Speed/Pace-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.
  • SpeedPointer - SpeedPointer feature tells you your speed within set speed limits.
Polar ProTrainer 5 features
  • Advanced training analyzing - You can easily analyze each of your training sessions in the training result view. In addition to many useful details about your training, the Curve illustrates graphically the data from the sensors that you used while training. Place your mouse cursor on the curve to see more details.
  • Reports
  • Route mapping (optional with GPS sensor)
  • Training computer settings - You can edit your training computer settings with the WebSync software.
  • Training diary - Diary is available in Polar software. When you transfer training results from your training computer to your Diary, you can easily follow up your training as well as plan your future training sessions. You can choose to see your training sessions in a Month or Week view, along with a Month or Week summary.
Polarpersonaltrainer.com features
  • Advanced training analyzing - You can easily analyze each of your training sessions in the training result view. In addition to many useful details about your training, the Curve illustrates graphically the data from the sensors that you used while training. Place your mouse cursor on the curve to see more details.
  • Training diary - Diary is available in Polar software. When you transfer training results from your training computer to your Diary, you can easily follow up your training as well as plan your future training sessions. You can choose to see your training sessions in a Month or Week view, along with a Month or Week summary.
  • Training Load
  • Training programs - The polarpersonaltrainer.com web service offers training programs for running, cycling, outdoor sports, and general fitness, for instance. The training program creates training targets which appear in your Diary. You can customize the program according your current fitness level.
Recording features
  • Adjustable recording rate (1s, 2s, 5s, 15s, or 60s) - The samples of your heart rate, speed, cycling cadence, power and altitude are stored either in 1, 2, 5, 15 or 60 second intervals. A longer interval gives you more recording time, while a shorter interval allows you to record more detailed data. A shorter recording rate uses the memory of the training computer up more rapidly, but enables more accurate data analysis using Polar software.
  • Combined training files - This feature allows combining consecutive training sessions. When you start a new training session within an hour of the previous one, you can combine the new session with the previous one.
  • Memory left indication
  • R-R Recording - R-R recording rate saves heartbeat intervals, that is, intervals between successive heartbeats. This information is also shown as instantaneous heart rate in beats per minute in recorded samples. This enables the analysis of heart rate variability (HRV) using the ProTrainer 5 software with an accuracy of 1 ms.
  • Totals - Totals includes your training data starting from the last reset enabling you to follow your long-term training.
  • Training files (with summaries) 99
  • Weekly history - Weekly history gathers your weekly training data. By selecting a week, you can review your training data for the week.
S3/S3+ stride sensor features: (Click Here to View Optional Accessory)

  • Average stride length - Stride length is the average length of one step, that is, the distance between your right and left foot contacting the ground. Runners adjust stride length to gather speed: stride length increases as speed increases. Yet one of the most common mistakes novice runners make is over-striding. The most efficient stride length is the natural one the one that feels most comfortable.
  • Cadence (current, average and maximum) - Your cycling cadence stands for your pedaling rate in revolutions per minute (rpm). Cadence is the central factor in improving cycling performance. A higher cadence reduces the force needed for each pedal stroke, and thus improves overall performance. Running cadence measures how many times your either right or left foot hits the ground in one minute. Running cadence is measured as steps per minute. With this feature you can sharpen your cadence and make your ground contact time shorter. This will help you to find a balance between leg power and leg speed.
  • Distance (training, lap, trip 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.
  • Running Index - Running Index is based on heart rate and speed data measured during the run. It gives daily information about your performance level, both aerobic fitness and running economy. Improvement in running efficiency indicates improved economy of running performance.
  • Shoe selection (settings for three shoes) - Shoe selection feature allows you to select shoes for a particular sensor in your training computer and to follow your training distance for the particular pair of shoes.
  • 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.
  • Speed/Pace-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.
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.
  • 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.
  • Number of laps 99
  • 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 (all 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.
  • Zone Lock - Zone Lock 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.
  • Zone Pointer - Zone Pointer 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, Spanish, and Italian
  • Dual time zone
  • KeyLock - By activating KeyLock, training computer buttons are locked, and accidental presses do not cause problems, for instance, during training.
  • Low battery indicator
  • Reminders - You can set reminders to alarm you of different tasks or training sessions, for instance, reminding you to drink during a training session.
  • Time of day (12/24h) with alarm and snooze
  • Training reminder
  • User replaceable battery
  • Water resistant 50m

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