Why can’t I desaturate on Adaptive Contrast as much as I did when I was at elevation?

Our adap­tive train­ing sys­tems remove about 7% of the oxy­gen from the air. At Sea Level this reduces the par­tial pres­sure of oxy­gen from 21% down to about 14%, to an approx­i­mate sim­u­lat­ed alti­tude of 10,000 feet.

If you use a sys­tem at ele­va­tion, like Aspen (7000 ft) you will desat­u­rate more than you will at sea lev­el.  This chart helps to cor­re­late effec­tive alti­tudes.

Altitude (ft)

Meters

O2 %
Pressure

Typical O2 Saturation

LiveO2-AC
+10,000

LiveO2-AC Typical Desaturation

0

0

21%

96 %

14.2

10,000 ft
~90%

5000

1524

17.2

95

11.7

15,000 ft
~85%

7500

2286

15.7

93

10.9

17,500 ft
~81%

10000

3048

14.2

89

9.7

20,000 ft
~75%

12500

3810

12.9

87

8.8

22,500 ft
~65%

14000

4267

12.2

83

8.3

20000

6096

9.7

65

6.8

25000

7620

8.0

<60