Many factors affect oxygen saturation level, including low body perfusion, excessive arm hair, tattoo, arm sag, arms sway, wearing the device skewed, or low temperature. When these factors occur, the results of the SpO₂ feature may be inaccurate or even undetectable.
Articles in this section
- Is the SpO₂ automatic?
- Can SpO₂ detect hypoxemia?
- What is the measurement range of SpO₂?
- Can my oxygen saturation level be affected by external factors?
- I can't find the SpO₂ on my App data page.
- Does the SpO₂ needs to be calibrated?
- On which devices is the SpO₂ available?
- I've tried to perform a SpO₂ measurement on my Watch, but a message about BP calibration appeared on the screen. What does it mean?
- How can I check past records of my SpO₂?
- What is a normal oxygen saturation level value?
