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A
Graphical Representation of Max NDL vs Depth for Air, EANx32, and EANx36 |
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Change the numbers in red below (not
available in HTML version) |
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Nominal Tank
Capacity (cf) |
80 |
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Breaths per
minute |
10 |
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Volume per
Breath (cf) |
0.057 |
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Calculation |
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SAC (cf/min) |
0.57 |
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* See the assumptions and
explanations by clicking on the "Assumptions" tab below. |
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CF |
Min |
Ft |
Air |
EANx 32% |
EANx 36% |
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80.0 |
141.6 |
0 |
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61.4 |
108.7 |
10 |
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49.8 |
88.2 |
20 |
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41.9 |
74.2 |
30 |
180 |
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36.2 |
64.0 |
40 |
120 |
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31.8 |
56.3 |
50 |
80.0 |
147.0 |
192.0 |
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28.4 |
50.2 |
60 |
57.0 |
92.0 |
123.0 |
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25.6 |
45.4 |
70 |
40.0 |
65.0 |
79.0 |
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23.4 |
41.3 |
80 |
30.0 |
49.0 |
59.0 |
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21.5 |
38.0 |
90 |
24.0 |
37.0 |
45.0 |
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19.8 |
35.1 |
100 |
19.0 |
30.0 |
35.0 |
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18.5 |
32.7 |
110 |
16.0 |
25.0 |
29.0 |
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17.3 |
30.5 |
120 |
13.0 |
20.0 |
n/a |
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16.2 |
28.7 |
130 |
10.0 |
17.0 |
n/a |
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15.3 |
27.0 |
140 |
8.0 |
n/a |
n/a |
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