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The pulse oximeter is a modern diagnostic device that instantly determines the heart rate and the degree of blood oxygen saturation. The measurement is made with a finger without blood sampling and is painless. The device can be used at home in order to monitor the physical condition and for sports. Having such a device on hand is quite convenient and practical, moreover, such devices have an affordable price.

To facilitate the choice of pulse oximeters, an overview of the most functional devices has been compiled. Among the devices there are economical products and more expensive models. When compiling the rating, the purpose of the devices, their advantages and disadvantages, expert assessments and customer reviews were taken into account.

Rating of the best pulse oximeters

Contec CMS50D

A compact and reliable device that helps to control saturation and pulse rate. It is used in daily life, hospital facilities as well as social health organizations. The device has a fairly compact size (weight is 50 g) and has a 1.1-inch color screen. SpO2 readings are measured in the range of 0-100%, and the heart rate is 30-250 beats per minute. To save battery, the brightness can be adjusted. The device can operate for 36 hours on two AAA batteries.

A pulse oximeter is necessary for people who have suffered a heart attack, during rehabilitation, in order to control physical activity, as well as for patients receiving oxygen therapy. In addition to numerical indicators, the gadget displays a pulse wave and displays data in 4 directions. The product is controlled by only 1 button, it turns off in auto mode when the measurement does not occur for more than 5 seconds. The device is intended for use by adult patients and children from 4 years of age.

Armed YX301

A handy pulse oximeter that is used at home to check heart rate and the degree of oxygen in the blood. The device is small and light, made of glossy gray plastic. The gadget has a high range of heart rate measurements — 25-250 beats per minute. It is very easy to operate the device — with only 1 button. For economical power consumption, there is an auto-off option (after 8 seconds).

The bright OLED screen clearly displays not only heart rate and blood oxygen saturation, but also the battery status. It should also be noted a convenient option — the rotation of the displayed data. When you press the key again, the numbers rotate 90 degrees, powered by 2 AAA batteries. The compact dimensions of the device make it easy to carry it in your pocket. For extra comfort, it comes with a handy carrying strap. The gadget is made of high quality materials and is protected by a one-year warranty.

Choicemmed MD300C21C

A compact portable pulse oximeter that is used to determine heart rate and measure the oxygen content in the blood. The device fits comfortably on a finger of various sizes, without causing any discomfort and without causing tissue compression. The device quickly begins to take measurements, immediately after fixing on the patient’s finger. The design assumes the presence of 6 data display modes on the screen, including the creation of a heart rate histogram.

The large color LED screen can be individually adjusted using 10 levels of brightness, and auto-off after 8 seconds after removing the device ensures high energy efficiency. The screen is made using modern LED technology. With new batteries, the pulse oximeter can operate continuously for 18 hours. It comes with a hanging cord so it won’t get lost.

Armed YX200

A small pulse oximeter that is designed specifically for quick everyday measurement of blood oxygen content. Ideal for taking the device on the road: its compact dimensions allow you to easily transport the device with you, and the reduced power consumption option is extremely useful on the road. With this function, even if the gadget is left on, it will turn itself off after 8 seconds. The design of the device provides a convenient fastening on the finger.

It should be noted that the device in question gives a small error. When measuring the oxygen content in the blood, it will be 2% and 1% when calculating the heart rate. The device is quite convenient and easy to operate: the model is equipped with a large button on the control panel, a separate indication of the battery level. This pulse oximeter is powered by two AAA batteries.

Topmed FP-30

A high-quality and stylish device that is able to show the oxygen content in the blood and heart rate. Suitable for personal and professional use even by medical personnel. The device features standard functionality, fast research and high accuracy of readings.

The pulse oximeter has a modern indicator, a source of IF radiation and other necessary details. The procedure should be carried out away from a window with bright light, since the sun’s rays directly hit the device degrade its accuracy. A small weight (60 g) and compact dimensions provide convenient carrying of the gadget in question. Due to the presence of two AAA batteries included in the package, the device consumes power slowly. Also available is a cord that allows you to transport the device, there is a soft case.

Choicemmed MD300C22

A small and handy pulse oximeter, which is designed for one-time measurements of heart rate and oxygen content. It can be used in domestic and hospital conditions. The device quickly and accurately measures the heart rate, and also helps to monitor the oxygen content in the blood at any time. The bright screen displays SpO2, heart rate and pulse wave.

The design provides 6 modes of displaying readings on the monitor, make it possible to adjust the device for ease of use. 10 modes of screen brightness will allow you to reduce it in low light and increase it for comfortable reading data during the day. Due to its low power consumption, the pulse oximeter can operate continuously for up to 30 hours without the need to change batteries. There is also an auto power off option. The pulse oximeter itself is powered by 2 AAA batteries.

Smarterra O2

Convenient and functional pulse oximeter that works autonomously without the need to connect to other devices. It allows you to take measurements at any time. The easy-to-use device weighs only 29 g, displays information after 20 seconds after the start of measurements. The accuracy of the measurements taken corresponds to the indicators of professional models.

Due to the presence of a clamping mechanism, the gadget is conveniently fixed on the finger. This guarantees high accuracy in measuring the pulse and detecting the oxygen content in the blood. The digital screen with large symbols installed in the device will provide convenient viewing of ready measurements. The device is suitable even for elderly people with poor eyesight, as well as for using the product in poor light. The pulse oximeter comes with a handy carrying case and a neck strap.

Little Doctor MD300C23

Laconic and simple Chinese pulse oximeter, which is distinguished by ease of use and measurement accuracy (error not more than 2%). The device is useful not for people with health problems, but also for those who are active in sports. The use of the gadget is acceptable at any age. Measurements are carried out quickly enough, and when removed from the finger, the product turns off by itself.

LCD readings can be rotated 90 degrees or flipped horizontally or vertically. Due to the fact that not black, but turquoise color is used, it is possible to adjust the brightness of the screen. The design also provides a sound indication. The device has low power consumption, which allows the device to work for 30 hours without interruption from 2 AAA batteries.

Contec CMS 50DL

An accurate and convenient device that helps to measure heart rate and oxygen content in the blood. It is intended for use in medical institutions, at home, during active physical activities. Ranges for measuring the level of oxygen in the blood — 70-100%, pulse — 30-250 beats per minute. The device can provide SpO2 readings and pulse rate with a bar graph, as well as monitor the battery level and ensure an error of no more than 2%. The device is distinguished by its compact size, light weight and accuracy of readings.

The product is equipped with a LED screen, which has a low degree of power consumption, which will allow it to be used for long-term monitoring of the patient’s condition. The gadget is controlled by a single button, which ensures ease of operation. The auto power off option is triggered after 5 seconds when the instrument is not in the measuring state or when the finger falls out of the probe.

Choicemmed MD300C12

A classic compact pulse oximeter that can be used at home, medical institutions and fitness clubs for self-monitoring and medical diagnostics. The device has a high range of heart rate measurements — 30-235 beats per minute. The small dimensions and total weight of the device, a convenient cord for hanging, which is included in the package, will make the product mobile.

Several indicators will be displayed on the LED screen: digital data on the content of oxygen in the blood and pulse, a heart rate histogram and an indicator of the degree of battery charge. The device is controlled by a single button. Two batteries that come with the package will last for 30 hours of continuous operation. If there is no activity for 8 seconds, the device will turn itself off. The gadget is made of high quality materials and is protected by a one-year warranty.

Indicators affecting measurement accuracy

Pulse oximeters make it possible to obtain fairly accurate measurements. The error can be no more than 2% and in dynamics will allow obtaining objective data on the state of a person. The main indicators affecting the measurement accuracy:

• Physical activity. With active physical activity, the concentration of oxygen in the blood decreases, so measurements should be taken in a relaxed state.
• The presence of varnish and earrings. Dark polish and gel polish on nails do not provide an opportunity to get accurate information about saturation. In such a situation, the measurement is optimally carried out on the earlobe, having previously removed the earring.
• Pharmacological means. Some medications affect the respiratory tract and the cardiovascular system. Therefore, their use can cause measurement errors.
• Eating and bad habits. It is recommended not to eat for 2 hours before the measurement, not to smoke, not to drink strong tea and coffee, alcohol.
• degree of illumination. Excessively bright light can distort the results. It is best to take measurements in normal or dim lighting.
• Finger temperature. Before measuring, hands need to be warmed up — on cold fingers, the data will be incorrect.

Tips for choosing a pulse oximeter

Different pulse oximeters under the same conditions can give different data. Models of dubious production may show completely incorrect information. When buying, you need to focus on the accuracy of ± 2%, the brand name and user reviews:

• Types of devices. They can be finger, hand and fixed on the wrist. Fingers look like a clothespin, fixed on the finger, have a small display. Manual ones are more accurate, they are used in ambulances and in hospitals. On the wrist — put on like a watch. Monitor the oxygen content continuously.
• Screen dimensions. The larger the monitor and the larger the numbers, the easier it will be to use the device, in particular for the elderly.
• Response time. Modern devices are able to show the measurement already after 10 seconds, older models will take about 30 seconds.
• Type of food and autonomy. Some models run on standard batteries, others use a rechargeable battery.
• Finger sizes. Since a finger pulse oximeter is often purchased for the home, you need to focus on the size of your fingers, otherwise the measurements will be inaccurate. It is recommended to buy products with a spring, it allows you to adjust to fingers of any size.
• Notification system. A high-quality pulse oximeter warns of irregular heartbeat, low saturation and low charge.

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