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Tek-Talk: Discuss Whats 90-140 psi in bar...? in the Technical and Specialist Diving Forums forums: Er, GLOC how do you make the PPO2 for 32% at 92m = 7.7 ATA? Admitted mine took some '...

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Old 22-04-07, 06:42 PM
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Quote:
Originally Posted by A. Berk
Er, GLOC how do you make the PPO2 for 32% at 92m = 7.7 ATA? Admitted mine took some 'rounding' going from one to another but 7.7????????????????

A. Berk
Long story...I made a boo-boo on another thread about converting 67m to ATAs
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Old 22-04-07, 06:49 PM
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Right, here we go...

... the original question; Whats the PPO2 of 32% nitrox at a depth of 92msw?

92m = 10.2 ba x 32 = 326.4 divided by 100 = 3.264 bar PO2

To convert 3.26bar to PSI x 14.5 (14.5psi to a1 bar) = 47.27psi

To convert 47.27psi to ATA divide by 14.7 (14.7psi to 1 ATA) = 3.21 ATA
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Old 22-04-07, 06:51 PM
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Quote:
Originally Posted by GLOC
Long story...I made a boo-boo on another thread about converting 67m to ATAs

In that case... forget my long-winded thingy above

But then 67m x 3.281 = 219.82 feet + 33 divided by 33 = 7.66 ATA Easy!!!

So where did you get the 7.7 from?

Dive safe,

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Last edited by A. Berk : 22-04-07 at 07:08 PM.
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