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Re: [PSUBS-MAILIST] Re: (null)
I don't think that this would
be a particularly effective tool for keeping track of the oxygen level in
your sub. What these devices do is measure the percentage of saturated
hemoglobin in your bloodstream. Anyone with reasonable cardiovascular
fitness (good perfusion) has a saturation level of 99 to 100 percent at any
given time. The human body is a remarkably efficient machine, and will
maintain high levels of blood saturation even when inspired oxygen content
begins to drop. In effect, it would be a reactive warning with too great a
time lag, because by the time your blood oxygen level shows a decrease, you
are probably already below 0.16 ATA partial pressure of oxygen in the
cabin.
-Sean
there goes that idea... I thought it would be a good indicator, I never
realized that your body would compensate that much. ...
back to the drawing board...
dale.