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France, January 5

Happy New Year.

Most of the time, when talking about partial pressure of a gas (and more
generally when talking about pressure and diving) we speak in " bars ".

1 ATA = 1.013 bar = 1013 hectopascals = 1.033 kgf / cm^2
1 bar = 1.02 kgf / cm^2
1 bar = aprox. 14.5 psi (with 1 kg = 2.202 pounds and 1 cm = 0.393 inch)

Best rgds.

Thierry

Art Greenberg wrote:

> Happy New Year everyone!
>
> Here in the U.S., when talking about the partial pressure of
> a component of our breathing gas we speak in units of
> atmospheres (standard) absolute, or ATA, where 1.0 ATA is
> equal to approximately 14.7 psi.
>
> What units does the metric world uses for this measurement?
>
> Thanks.
>
> Art Greenberg
> artg@ec*.ne*
>
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