<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body><div>Thanks for the help on the O2 and CO2 meter guys.</div><div>-Scott Waters</div><div><br></div><div><br></div><div><br></div><div><br></div><div><div style="font-size:75%;color:#575757">Sent from my U.S. Cellular© Smartphone</div></div> <br>Emile van Essen via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br>
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<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy">For O2 is this a nice
instrument:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><a href="http://www.conrad.com/ce/en/product/123122/Greisinger-GMH3691-and-GGO369-Oxygen-Meter-with-Sensor?queryFromSuggest=true">http://www.conrad.com/ce/en/product/123122/Greisinger-GMH3691-and-GGO369-Oxygen-Meter-with-Sensor?queryFromSuggest=true</a><o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy">It has adjustable Hi /Lo
alarms and is temp/ pressure compensated. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy">For CO2 Look at
beer brewery suppliers. They use portable and wall mounted analyzers where beer
is stored in large tanks..<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy">Emile<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="navy" face="Arial"><span lang="EN-GB" style="font-size:10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><b><font size="2" face="Tahoma"><span style="font-size:10.0pt;
font-family:Tahoma;font-weight:bold">Van:</span></font></b><font size="2" face="Tahoma"><span style="font-size:10.0pt;font-family:Tahoma">
Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b><span style="font-weight:bold">Namens </span></b>via Personal_Submersibles<br>
<b><span style="font-weight:bold">Verzonden:</span></b> zondag 8 juni 2014 2:07<br>
<b><span style="font-weight:bold">Aan:</span></b> Personal Submersibles General
Discussion<br>
<b><span style="font-weight:bold">Onderwerp:</span></b> Re: [PSUBS-MAILIST] CO2
ppm</span></font><o:p></o:p></p>
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12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black">Does anyone know of a
O2 and CO2 meter that you can buy off the shelf?<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black"> <o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black">Thanks,<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black">Scott Waters <o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black"> <o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black">--------
Original Message --------<br>
Subject: Re: [PSUBS-MAILIST] CO2 ppm<br>
From: "Sean T. Stevenson via Personal_Submersibles"<br>
<<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>
Date: Sat, June 07, 2014 4:39 pm<br>
To: Personal Submersibles General Discussion<br>
<<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="2" color="black" face="Verdana"><span style="font-size:10.0pt;font-family:Verdana;color:black">Hank, 0.5% by volume
is your maximum allowable, which is 5000 ppm, so technically that reading is
okay; however if that is steady state, it doesn't provide a lot of margin for
error. How are you measuring the CO2? I would check the calibration
of the transducer, and also check that in an elevated CO2 environment
(unmanned), turning the scrubber on will bring the level down to ~0 after some
period of time. The scrubber needs to keep up with the worst-case
breathing / metabolism rate of the occupants. Under ideal conditions (low
stress, low exertion, fresh scrubber media), the scrubber should be capable of
keeping the CO2 level at the low end of the allowable range. A slow and
steady climb in level is your indication that the media is becoming exhausted -
you don't want to lose that early warning by operating close to maximum.<br>
<br>
Sean<br>
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On 2014-06-07 17:26, hank pronk via Personal_Submersibles wrote:<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Helvetica Neue"><span style="font-size:12.0pt;font-family:"Helvetica Neue";
color:black">I am heading to Slocan Lake tomorrow for work and a sub dive.
Today I did another life support test and the best I can do is 3700 ppm CO2, I
think the absorbent is not so good or something. Is 3700ppm good to go.<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Helvetica Neue"><span style="font-size:12.0pt;font-family:"Helvetica Neue";
color:black">Hank<o:p></o:p></span></font></p>
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