A decent O2 meter will show a saw-like pattern, or a similar pattern, that will indicate that the reading is correct.
A decent O2 meter will show a saw-like pattern, or a similar pattern, that will indicate that the reading is correct.
Ahhh, yeah, the $10 one I have shows that (in sync with pulse), and shows PI%.
Ahhh, yeah, the $10 one I have shows that (in sync with pulse), and shows PI%.
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