Apple watch series 6 ppg sensor data

Hi,

My middle schooler is working on a project for National Science Fair competition to estimate blood pressure from ppg signals. While he is using external database to develop his algorithm, it would be very useful to test it with real time data. I have a Series 6 watch and wondering how I can access my ppg sensor raw data.
Post not yet marked as solved Up vote post of Sharko33 Down vote post of Sharko33
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Answers

You can use HealthKit and have your app request access to the Blood Oxygen data (HKQuantityTypeIdentifierOxygenSaturation)

You can find out more about the HealthKit framework here: https://developer.apple.com/documentation/healthkit


Sharko33 were you ever able to access the raw ppg data? I have a similiar interest.