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What does the pulse oximeter measure on a smartwatch

2022-07-26 467 0

When we are going to buy a new smart watch, we can see some smart watches equipped with some features related with healthy, such as heart rate monitoring, sleep monitoring, blood oxygen monitoring and more. Do you know what they are used for?



Today, let's talk something about blood oxygen. In fact, it is not surprising that the smartwatch equipped with oximeter, since there are more and more people start to concern of their healthy. Pulse blood oxygen monitoring is help for monitoring your healthy state, it is one of the good assistant of healthy.



What is blood oxygen?


Blood oxygen refers to the oxygen in the blood. The normal blood oxygen saturation of the human body is above 95%. The higher the oxygen content in the blood, the better the metabolism of a person.

Of course, too-high blood oxygen content is not a good phenomenon. The blood oxygen in the human body has a certain saturation. If it is too low, it will cause insufficient oxygen supply to the body, and if it is too high, it will cause the cells in the body to age.


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  • What does the oximeter measure and how to use and read?


    Therefore, the oximeter is used to detect the blood oxygen saturation. The oximeter sensor is in the back of the watch, keep the sensor get close to the skin when you are wearing the smartwatch, find oximeter app and open it, the sensor will start to read your blood oxygen saturation. The entire measurement process takes about 2 minutes.

    Tips: The reading will be displayed as a percentage, the normal arterial oxygen saturation is about 95 to 97%. The deviation of the measurement value will be larger for those have thick hair on hands.



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  • The level of the blood oxygen monitor smart watch


    Generally speaking, there are two type of blood oxygen monitoring smartwatches in the market, one is medical grade, one is non-medical grade. The most products we saw in the market are the latter, such as Blackview smart watch.


    Which brand's smartwatch reach the medical grade?


    There are like Huawei, Samsung, Apple Watch and more.


    Is the non-medical grade blood oxygen monitoring smart watch reliable?


    The blood oxygen data from the non-medical grade smart watch, cannot be used as a 100% basis, but it can be used as a reference.



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