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--------------1CFBCCBABBCCF1102BC65B18 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Jeff Waugh wrote: > I'm not sure about the temperature actually being that much of an influence > on the ending reading. I have found that generally low O2 % mixes such as "deep" > Tri-Mix'es generally homogenize to the final desired analysis over a period of a > few hours. > I've found that high O2 mixes that if filled with O2 and topped with air and > allowed to sit without agitation, can render an inaccurate analysis a day later. Therefore we lay our cylinders horizontaly on the ground rather than let them stand. I never had any discepancies with this after waiting one night. I belive this stems from the greater diffusion area and the highly reduced diffusion lenght. O+ +---+ - | A | | - +-------------------+ | I | diffusion length | AIR | | R | | (worst case) - +-------------------+O +---+ - | O2 |+ | O | +-------------------+ | 2 | +---+ Regards, Frank --------------1CFBCCBABBCCF1102BC65B18 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> Jeff Waugh wrote: <blockquote TYPE=CITE> I'm not sure about the temperature actually being that much of an influence <br>on the ending reading. I have found that generally low O2 % mixes such as "deep" <br>Tri-Mix'es generally homogenize to the final desired analysis over a period of a <br>few hours. <br> I've found that high O2 mixes that if filled with O2 and topped with air and <br>allowed to sit without agitation, can render an inaccurate analysis a day later.</blockquote> Therefore we lay our cylinders horizontaly on the ground rather than let them stand. <br>I never had any discepancies with this after waiting one night. I belive this stems <br>from the greater diffusion area and the highly reduced diffusion lenght. <p><tt> O+</tt> <br><tt>+---+ -</tt> <br><tt>| A | | - +-------------------+</tt> <br><tt>| I | diffusion length | AIR |</tt> <br><tt>| R | | (worst case) - +-------------------+O</tt> <br><tt>+---+ - & nbsp; | O2 |+</tt> <br><tt>| O | & nbsp; +-------------------+</tt> <br><tt>| 2 |</tt> <br><tt>+---+</tt> <br> <p>Regards, <p>Frank</html> --------------1CFBCCBABBCCF1102BC65B18-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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