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<div dir="ltr" data-setdir="false">I opted for the following CO2 and O2 sensors.</div><div dir="ltr" data-setdir="false"><a href="https://www.co2meter.com/collections/1-percent-co2-sensor/products/cozir-10000-ppm-co2-temperature-humidity-sensor" rel="nofollow" target="_blank">https://www.co2meter.com/collections/1-percent-co2-sensor/products/cozir-10000-ppm-co2-temperature-humidity-sensor</a><br></div><div dir="ltr" data-setdir="false"><a href="https://www.co2meter.com/collections/oxygen-sensors/products/25-percent-oxygen-sensor" rel="nofollow" target="_blank">https://www.co2meter.com/collections/oxygen-sensors/products/25-percent-oxygen-sensor</a><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I interface with both via Serial communication. They will work with any microprocessor that has serial capability. There's a project page that describes how to use them along with PCB gerber files and software. <a href="http://www.psubs.org/community/projects/" rel="nofollow" target="_blank">http://www.psubs.org/community/projects/</a></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Jon</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div><br></div>
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On Tuesday, October 24, 2023 at 08:30:23 AM EDT, Cliff Redus via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="ydp675cfbcbyiv1370803173"><div>I use<div><br clear="none"></div><div><br clear="none"><a shape="rect" href="https://www.co2meter.com/products/k-30-fr-co2-sensor" rel="nofollow" target="_blank">https://www.co2meter.com/products/k-30-fr-co2-sensor</a><br clear="none"><br clear="none"><span style="background-color:rgb(255, 255, 255);">This is <span>an</span> inexpensive 0-10,000 ppm co2 sensor. Interfaces with plc through analog voltage input module. With my use on R300, they last about 5 years.</span></div><div><span style="background-color:rgb(255, 255, 255);"><br clear="none"></span></div><div><span style="background-color:rgb(255, 255, 255);">Cliff</span></div><div><br clear="none"><div dir="ltr">Sent from my iPhone</div><div id="ydp675cfbcbyiv1370803173yqt75518" class="ydp675cfbcbyiv1370803173yqt0969521821"><div dir="ltr"><br clear="none"><blockquote type="cite">On Oct 23, 2023, at 3:46 PM, via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"><br clear="none"></blockquote></div><blockquote type="cite"><div dir="ltr"></div></blockquote></div></div></div><div id="ydp675cfbcbyiv1370803173yqt02487" class="ydp675cfbcbyiv1370803173yqt0969521821"><div><div class="ydp675cfbcbyiv1370803173WordSection1"><p class="ydp675cfbcbyiv1370803173MsoNormal"> </p><p class="ydp675cfbcbyiv1370803173MsoNormal"> </p><p class="ydp675cfbcbyiv1370803173MsoNormal"> </p><p class="ydp675cfbcbyiv1370803173MsoNormal">Just looking at old emails on sensors for O2 and CO2 to try and find best bangs for bucks.</p><p class="ydp675cfbcbyiv1370803173MsoNormal">With the advance of technology over the last 10 years what are regarded by P-Subbers as the best to buy these days?</p><p class="ydp675cfbcbyiv1370803173MsoNormal">Regards,</p><p class="ydp675cfbcbyiv1370803173MsoNormal">Hugh</p><p class="ydp675cfbcbyiv1370803173MsoNormal"> </p><p class="ydp675cfbcbyiv1370803173MsoNormal"> </p></div><span>_______________________________________________</span><br clear="none"><span>Personal_Submersibles mailing list</span><br clear="none"><span>Personal_Submersibles@psubs.org</span><br clear="none"><span>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</span><br clear="none"></div></div></div><div class="ydp675cfbcbyqt0969521821" id="ydp675cfbcbyqt10488">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" rel="nofollow" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel="nofollow" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div>
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