Today, in the era of modern technology, the heart rate monitor has become an indispensable attribute of every athlete, which helps to train with benefit and without harm to health. One of the most popular models of these devices is the Polar RS300X. Such a heart rate monitor will help to measure the level of exercise in a calm state and during an active workout, while displaying the heart rate in each section of the distance.
Brand Briefs
The birthplace of the company is Finland, which has long been famous for quality products in this area. The Polar RS300X heart rate monitor is not the only brainchild of the legendary brand, the main emphasis of which is placed on such a direction as fitness. Many products are focused on weight training or equestrian sports. Therefore, the athlete during the ride can observe not only his heart rate, but also see similar data about the animal.
Absolutely any heart rate monitor will wonderfully fit into any image, and will not stand out among other clothes and accessories.
Model description
The Polar RS300X heart rate monitor is designed for both athletes and people with an active lifestyle. Thanks to the encoded transmitter, crosstalk is prevented. With this device, everyone can be aware of the current and maximum permissible heart rate, as well as compare it with the distance traveled.
Using a heart rate monitor regularly, itβs very easy to maintain the right intensity of your workouts and not exceed it. The device displays the calorie consumption and automatically records different training stages.
Heart Rate Advantages
- Existence of the coded transmitter system thanks to which all crosstalk is prevented.
- The ability to measure aerobic fitness level in any condition and alert about any change.
- Measurement and further determination of the maximum possible heart rate during the training period and its comparison with the age category.
- Display of all heart rate indicators, including acceptable for a particular person.
- Assists in maintaining the correct intensity of sports for each zone and age category.
- Counting calories and displaying the consumption of the latter.
- Blocking certain zones during any period of sports.
- The presence of convenient pointers that help you navigate the location.
- View essential information with the HeartTouch feature.
- The presence of interval timers, which are based on distance and time.
- The ability to automatically record data on the Polar RS300X heart rate monitor.
- The presence of an electronic training guide, which includes the values ββof distance, heart rate and a given pace.
- Ability to change the screen configuration.
- The presence of built-in workouts.
- Communication with the main computer.

Standard kit
Basic equipment of the Polar RS300X model:
- An instruction that describes in detail the principle of operation of the device and all the subtleties of its operation.
- Monitor with high-quality image.
- WearLink system with transmitter.
- Warranty card from the manufacturer for a period of 2 years.
Functional Features
- Determination of the target zone in both automatic and manual mode.
- The presence of a backlight display.
- The ability to enlarge the image.
- A tooltip wizard that assists the user in controlling the instrument.
- Countdown to workout.
- The presence of a graphical indicator of the required zone.
- Heart rate indicators.
- The ability to display all the data without pressing the buttons on the monitor of the Polar RS300X heart rate monitor.
- Easy button lock.
- Huge display for excellent visibility.
- Ability to customize and adjust display performance.
- The water resistance of the heart rate monitor is about 50 m.
- The presence of two lines on the screen, as well as sound alerts.
Watch features
- A regularly operating alarm, the signal of which can be determined independently.
- Indicator of the day of the week and date.
- Ability to set the operating mode in two time zones.
- The presence of a detailed stopwatch.
- A clear demonstration of the battery indicator when the battery level is low.
GPS Features and Options
- Battery Type.
- The possibility of full power consumption is 30 hours.
- The presence of a mode of reduced energy consumption.
- Battery indication.
- SIRF-III function chipset.
- Resistance to shock type loads.
- Measuring distance and speed.
- The presence of a wide-area amplification system.
- Waterproof housing and screen.
Technical details
- The weight of the device is only 41 g.
- The average battery life of the heart rate monitor is 1 year.
- The water resistance of the device reaches a distance of 50 m.
- The type of battery is CR2032.
Price policy
An indicator of amazing quality, incredible availability and functionality is the Polar RS300X heart rate monitor model. The price of this device at a discount varies from 8 590 to 9 680 rubles.
Polar RS300X: reviews
What do buyers and experts think about the devices of this model? According to numerous user reviews, the heart rate monitor is incredibly high quality and incredibly reliable. The functionality of the device surpasses, it not only measures the pulse, but also does not allow it to be exceeded, giving the user an audio signal. The information on the screen is pretty clear, including the heart rate, elapsed time, acceptable thresholds and zoning of the workout. A convenient function of the device is a fitness test, which will quite graphically depict the user's progress in the physical and functional levels.
A huge advantage of this model of the heart rate monitor is its water resistance, which allows you to use the device during swimming lessons. The Polar RS300X battery holds a charge perfectly, which makes it possible to use the device daily.
The memory of the device is enough to store 16 workouts, this property allows you to track a certain progress of physical indicators. A calorie counter will help the owner control his weight, combining business with pleasure.
In addition to the positive aspects, buyers focus on the minuses of the heart rate monitor, which are also very important. The latter include the gradual grinding of the strap and the lack of a Russian-language menu. These problems are easily fixed with the help of additional financial investments in the device.