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   Does Apple Watch measure heart rate?

   • In addition, Apple Watch measures your heart rate throughout the day when you’re still, and periodically when you’re walking (Apple Watch Series 1 or later). Since Apple Watch takes these background readings based on your activity, the time between these measurements will vary.

   Monitor your heart rate with Apple Watch - Apple Support

   support.apple.com/en-us/HT204666

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   Why is my heart rate so low on my Apple Watch?

   • Water and sweat can cause a poor recording. Open the Heart Rate app on your Apple Watch to view your current heart rate. Your Apple Watch continues measuring your heart rate as long as you’re wearing it. Open the Heart Rate app on your Apple Watch.

   Check your heart rate on Apple Watch - Apple Support

   support.apple.com/guide/watch/heart-rate-apda88aefe4c/watchos

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   How do I see my heart rate on my Apple Watch?

   • To see your heart rate data over a longer period of time, open the Health app on your iPhone, tap Browse, tap Heart, then tap an entry. You can show heart data for the last hour, day, week, month, or year. By default, your Apple Watch monitors your heart rate for the Heart Rate app, workouts, and Breathe and Reflect sessions.

   Check your heart rate on Apple Watch - Apple Support

   support.apple.com/guide/watch/heart-rate-apda88aefe4c/watchos

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   How does Apple Watch Series 5 work?

   • Apple Watch Series 5 features an innovative new display that allows the time and important information to remain visible at all times. Each watch face has been carefully optimized for the new display and to preserve battery life, the screen intelligently dims when a user’s wrist is down and returns to full brightness with a raise or a tap.

   Apple unveils Apple Watch Series 5 - Apple

   www.apple.com/newsroom/2019/09/apple-unveils-apple-watch-series-5/

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2. live.wareable.com › apple › apple-watch-heart-rateApple Watch heart rate guide: How to use all of Apple's HR ...

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   1 day ago · Over time, the Apple Watch has grown into quite the everyday heart rate monitor, with the new Series 5 packing a host of features on this front. Apple really got serious about heart health with the Apple Watch Series 4. After dipping into some basic heart health in previous versions, giving users a high heart

3. support.apple.com › en-us › HT204666Monitor your heart rate with Apple Watch - Apple Support

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   • Overview
   • How to check your heart rate
   • When Apple Watch measures your heart rate
   • How Apple Watch measures your heart rate
   • For best results

   Learn how Apple Watch measures your heart rate, and get tips for a more accurate reading.

   See full list on support.apple.com

   You can check your heart rate any time using the Heart Rate app. Open the app, then wait for Apple Watch to measure your heart rate. You can also view your resting, walking, breathe, workout, and recovery rates throughout the day. To easily open the app, add the Heart Rate complication to your watch face.

   You can also turn on heart rate notifications, so you know if your heart rate remains above or below a chosen beats per minute (BPM), or to occasionally check for an irregular heart rhythm.

   See full list on support.apple.com

   When you use the Workout app, Apple Watch measures your heart rate continuously during the workout and for 3 minutes after the workout ends to determine a workout recovery rate. If you don't see your heart rate, check your settings.

   This information, as well as other data it collects, helps Apple Watch estimate how many calories you’ve burned. In addition, Apple Watch measures your heart rate throughout the day when you’re still, and periodically when you’re walking (Apple Watch Series 1 or later). Since Apple Watch takes these background readings based on your activity, the time between these measurements will vary. Apple Watch also calculates a daily resting rate and walking average by correlating background heart rate readings with accelerometer data when sufficient background readings are available.1 You can control which third-party apps have access to your health data from the Health app in Sources.

   See full list on support.apple.com

   The optical heart sensor in Apple Watch uses what is known as photoplethysmography. This technology, while difficult to pronounce, is based on a very simple fact: Blood is red because it reflects red light and absorbs green light. Apple Watch uses green LED lights paired with light‑sensitive photodiodes to detect the amount of blood flowing through your wrist at any given moment. When your heart beats, the blood flow in your wrist — and the green light absorption — is greater. Between beats, it’s less. By flashing its LED lights hundreds of times per second, Apple Watch can calculate the number of times the heart beats each minute — your heart rate. The optical heart sensor supports a range of 30–210 beats per minute. In addition, the optical heart sensor is designed to compensate for low signal levels by increasing both LED brightness and sampling rate.

   The optical heart sensor can also use infrared light. This mode is what Apple Watch uses when it measures your heart rate in the background, and for heart rate notifications. Apple Watch uses green LED lights to measure your heart rate during workouts and Breathe sessions, and to calculate walking average and Heart Rate Variability (HRV).

   Apple Watch Series 4 and later and all models of Apple Watch Ultra also have built-in electrodes in the Digital Crown and the back of Apple Watch, which can measure the electrical signals across your heart when used with the Heart Rate app or the ECG app. When you place your finger on the Digital Crown, it creates a closed circuit between your heart and both arms, capturing the electrical impulses across your chest. 

   To use the electrical heart sensor to measure your heart rate, open the Heart Rate app and place your finger on the Digital Crown. You will get a faster reading with higher fidelity — getting a measurement every second instead of every 5 seconds. You’ll see "ECG" in Heart Rate Context when looking at recorded data for Heart Rate in the Health app. You can also use the electrical heart sensor to take an ECG with the ECG app.

   See full list on support.apple.com

   Start with a good fit. Even under ideal conditions, Apple Watch may not be able to get a reliable heart rate reading every time for everybody. And for a small percentage of users, various factors may make it impossible to get any heart rate reading at all. But there are things you can do to help Apple Watch get the most consistent and best heart rate readings possible. Learn what else affects your reading.

   1. Some anomalies may appear in the displayed data, resulting in occasional heart rate measurements that are abnormally high or low.

   See full list on support.apple.com

4. support.apple.com › en-us › 118453Apple Watch Series 5 - Technical Specifications - Apple Support

   support.apple.com › en-us › 118453

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   Apple Watch Series 5 require an iPhone 6s or later with iOS 13 or later. Features are subject to change. Some features, applications, and services may not be available in all regions or all languages.

5. Videos

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     6:40

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     Apple Watch Heart Rate Readings Explained

     May 22, 2018

     30.9K Views

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     pcmag.com

     How to Monitor Your Heart Rate With an Apple Watch

     Jan 13, 2020

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     11:46

     youtube.com

     I Still Use the Apple Watch Series 5 in 2023… Here’s Why

     Feb 19, 2023

     30.4K Views

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6. www.pcmag.com › reviews › apple-watch-series-5Apple Watch Series 5 Review | PCMag

   www.pcmag.com › reviews › apple-watch-series-5

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   The Series 5 was also spot-on when testing heart rate. I wore a Polar H10 chest strap to compare results, and during a one-mile walk, the watch recorded 141bpm to the Polar's 140bpm.

   • 4/5
   • Occupation: Analyst, Consumer Electronics

   • Brand: Apple
   • Offer Count: 4

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7. support.apple.com › guide › watchCheck your heart rate on Apple Watch - Apple Support

   support.apple.com › guide › watch

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   Open the Settings app on your Apple Watch. Go to Privacy & Security > Health. Tap Heart Rate, then turn on Heart Rate. You can also open the Apple Watch app on your iPhone, tap My Watch, tap Privacy, then turn on Heart Rate.

8. www.pcmag.com › news › askpcmag-how-accurate-is-the#AskPCMag: How Accurate Is the Apple Watch's Heart Rate ...

   www.pcmag.com › news › askpcmag-how-accurate-is-the

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   May 5, 2020 · In our testing, the Apple Watch Series 5 delivered excellent health and fitness accuracy. We tested it against a Polar H10 chest strap, a Stryd footpod, and the Fitbit Versa 2, and its heart...

9. www.apple.com › apple-unveils-apple-watch-series-5Apple unveils Apple Watch Series 5 - Apple

   www.apple.com › apple-unveils-apple-watch-series-5

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   Sep 10, 2019 · Apple Watch Series 5 (GPS) starts at $399 (US) and Apple Watch Series 5 (GPS + Cellular) starts at $499. The popular Series 3 (GPS), with built-in GPS, optical heart rate sensor and water resistance, starts at a new low price of $199 and Series 3 (GPS + Cellular) is $299.