I have been noticing something about the percentage of oxygen readings using different oximeters and various sources of oxygen. Which leads me to ask this question.
Does a higher purity of oxygen raise your oxygen percentage levels?
The reason I ask is because most concentrators state that you get 90% -3%+6%. And I noticed that at rest I get a higher reading on my oximeters using different concentrators.
I'm thinking that it does and wonder if someone has done some research on it.