<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I use<div><br></div><div><br><a href="https://www.co2meter.com/products/k-30-fr-co2-sensor" style="-webkit-text-size-adjust: auto;">https://www.co2meter.com/products/k-30-fr-co2-sensor</a><br style="-webkit-text-size-adjust: auto;"><br style="-webkit-text-size-adjust: auto;"><span style="background-color: rgb(255, 255, 255);">This is <span style="-webkit-text-size-adjust: auto;">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></span></div><div><span style="background-color: rgb(255, 255, 255);">Cliff</span></div><div><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Oct 23, 2023, at 3:46 PM, via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style>@font-face { font-family: "Cambria Math"; }
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Just looking at old emails on sensors for O2 and CO2 to try and find best bangs for bucks.<o:p></o:p></p><p class="MsoNormal">With the advance of technology over the last 10 years what are regarded by P-Subbers as the best to buy these days?<o:p></o:p></p><p class="MsoNormal">Regards,<o:p></o:p></p><p class="MsoNormal">Hugh<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p></div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span>Personal_Submersibles@psubs.org</span><br><span>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</span><br></div></blockquote></div></body></html>