Low cost oximeter

Mountain High Oxygen is now selling a low cost oximeter ($199):

http://mountainhighoxygen.com/index....product_id=424

At this price, anyone that flies with oxygen ought to get one, and be
sure their oxygen system is actually doing the job. Besides the low
cost, it's LCD display gives it a much longer battery life and better
sunlight visibility than the similar (but LED display) Flightstat units.
I prefer my Minolta Pulsox-3 because it's easier to use continuously,
but it's pricey at $500.

I've learned a couple things from my oximeter: 12,500' may be the legal
height to start using oxygen, but 10-11,000' is smarter for me, and I
need to breath a little more deeply than usual, or talk more on the
radio (talking to someone tends to force deeper, quicker breathing,
which improves oxygen saturation).

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Eric Greenwell
Washington State
USA