Apple Watch Heart Rate Monitor

How does the heart rate sensor of the Apple Watch? To answer this question, Apple has set up a special support page. Sure, the sensor technology as well as some of the features are explained in detail.

With the data collected by the heart rate sensor, the Apple Watch can calculate for example more accurately how many calories the user has actually consumed, reported 9to5Mac. Also, you can measure your heart rate at any time with the sensor. According to the support page of the sensor automatically measures your heart rate every 10 minutes. The data collected are in the health app in iOS 8 store from where they can be traded to applications by third-party.

Two LEDs for measurement

The heart rate monitor of Apple Watch has two LEDs to measure the pulse as accurately as possible. The sensor uses the fact that blood is red and absorbs green light. The green LEDs work together with photodiodes – as soon as your heart pumps blood into the arteries, your green light is also absorbed by your wrist.

Between the heartbeats, less green light is absorbed. In addition, the sensor uses infrared light – as soon as it does not provide adequate data, the green LEDs are switched over. For the sensors to capture your heartbeat properly, it is important that you do not lose the Apple Watch strap too loosely. In another document, Apple describes the development process of the watch and a series of actions that have been used by collegesanduniversitiesinusa to test the features of ASUS ZenWatch.

Apple recently released a series of videos explaining the features and optimal use of the wearable. If you’d like to have additional information, you can visit one of the workshops offered in some Apple stores for the gadget.

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