Apple Watch Series 12 nearly matches chest strap accuracy in early heart-rate test
- Apple Watch Series 12 nearly matched a Polar H10 ECG chest strap in an independent early test.
- It scored 1.0 correlation in cycling, 0.98 in running and 0.97 in weightlifting.
- Series 12 tracked weightlifting peaks well, an area where wrist-based heart sensors often struggle.
- The test involved one person over one day, so longer-term testing is still needed to confirm the results.
Source: macobserver.com
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