AppleFooter. Apple Watch Ultra 2 has a water resistance rating of 100 meters under ISO standard 22810. It may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 meters and high-speed water sports. Apple Watch Ultra 2 should not be used for diving below 40 meters. AppleWatch Ultra 2 is rated IP6X dust-resistant. Tested with the heart rate sensor on during workout sessions. Outdoor workout with GPS and LTE in Low Power Mode with fewer GPS and heart rate readings, outdoor workout with GPS and LTE in Low Power Mode, and outdoor workout with GPS tested without iPhone. Testedto MIL-STD 810H 1 IP6X dust resistance 2 The biggest and brightest Apple Watch display ever. Powered by the all-new S9 SiP, the Always‑On Retina display is 3,000 nits Whilewearing your Apple Watch, go to a flat, open outdoor area that offers good GPS reception and clear skies. If you have Apple Watch Series 2 or later, you just need your Apple Watch.* If you have Apple Watch Series 1 or earlier, bring your iPhone for GPS. Hold your iPhone in your hand, or wear it on an armband or waistband. Thesenotifications are available only on Apple Watch Series 1 or later for ages 13 and up. You can turn on heart rate notifications when you first open the Heart Rate app on your Apple Watch, or at any time later from your iPhone: Tap the My Watch tab, then tap Heart. Tap High Heart Rate, then choose a BPM. Tap Low Heart Rate, then Highand low heart rate notifications 4. Irregular rhythm notifications 5. Low cardio notifications- Third-generation optical heart sensor; High and low heart rate notifications Footnote 4; Irregular rhythm notifications Footnote 5; Apple Watch Ultra 2, Apple Watch Series 9, and Apple Watch SE require iPhone Xs or later with iOS 17 or wdSyNlv. AppleWatch's optical heart rate sensor can also use infrared light to measure heart rate in the background and provide heart rate notifications. The green lights on the other hand are used to measure the wearer's heart rate during workouts and while using the Breathe app. Apart from heart rate, the Apple Watch can also capture an Fromstrength training and HIIT to Pilates and yoga, Apple Watch offers a healthy range of ways to track your workout. And it shows your progress with advanced metrics and views Testedto MIL-STD 810H 1 IP6X dust resistance 2 The biggest and brightest Apple Watch display ever. Powered by the all-new S9 SiP, the Always‑On Retina display is 3,000 nits TheApple Watch Ultra has an ECG, high and low heart-rate alerts, fall detection, emergency SOS, international emergency calling, car-crash detection, a blood oxygen sensor, sleep stage tracking AppleWatch is not accurately reading my heart rate My Apple Watch is not reading my resting heart rate , and sometimes RHR is way higher than my actual HR [Re-Titled by Moderator] 429 1 Heart rate inaccurate I found my I watch inaccurate to measure my heart rate it show me 180 heartbeat on my watch . meanwhile I measure manually TheUltra's built-in sensors are basically identical to what you'd find in the Apple Watch 8, which allows it to track your blood oxygen levels, heart rate, and wrist temperature.

apple watch ultra 2 heart rate sensor