<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Great video Jon.</div><div id="AppleMailSignature">You look like you are doing the same as me, taking the long route &</div><div id="AppleMailSignature">building everything.</div><div id="AppleMailSignature">I don't know how critical the potting is in this case but I once potted</div><div id="AppleMailSignature">wires out of a linear actuator like you did, then filled the actuator up</div><div id="AppleMailSignature">with WD40. It just ran out between the pvc & resin like magic with no</div><div id="AppleMailSignature">pressure at all applied.</div><div id="AppleMailSignature">On my light build I stripped a section of the wire that went through the epoxy,</div><div id="AppleMailSignature">epoxied it & then went over the outside of the fitting & wiring with a 3M</div><div id="AppleMailSignature">2 part heat activated pvc glue. I went an inch up the wiring with this as</div><div id="AppleMailSignature">this is how I noted they did it with vulcanising on underwater connectors.</div><div id="AppleMailSignature">I experimented with all sorts of glues & then went to an inflatable boat</div><div id="AppleMailSignature">manufacturer who put me on to the 3M product. Over this I moulded </div><div id="AppleMailSignature">polyeurathane, but mainly as strain relief & aesthetics. It tested ok to 2000ft.</div><div id="AppleMailSignature">BTW Blue Robotics are selling temperature sensors for about $50-</div><div id="AppleMailSignature"><a href="https://www.bluerobotics.com/store/electronics/celsius-sensor-r1/">https://www.bluerobotics.com/store/electronics/celsius-sensor-r1/</a></div><div id="AppleMailSignature">Cheers Alan</div><div id="AppleMailSignature"> </div><div id="AppleMailSignature"><br><br>Sent from my iPad</div><div><br>On 15/07/2018, at 12:56 AM, Jon Wallace via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><span>I documented encapsulating an LM34 temperature sensor which might interest you. You can get the sensor at digikey, mouser, or any other similar distributor. </span><br><span></span><br><span><a href="https://youtu.be/-1iAJcph0Js">https://youtu.be/-1iAJcph0Js</a></span><br><span></span><br><span></span><br><span>--------------------------------------------</span><br><span>On Fri, 7/13/18, Mark via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</span><br><span></span><br><span> Subject: [PSUBS-MAILIST] Lake quality sensors</span><br><span> To: "Psubs" <<a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a>></span><br><span> Date: Friday, July 13, 2018, 9:34 PM</span><br><span></span><br><span> Good afternoon, team psubs:</span><br><span></span><br><span> This year we are planning to give our</span><br><span> sub purpose. We live on a small lake in North Carolina</span><br><span> where the lake depth averages between 20 and 30 feet. </span><br><span> Our plan is to outfit the sub with sensors (and data</span><br><span> acquisition) to measure the lake water quality such as pH,</span><br><span> Dissolved Oxygen, Turbidity, Nitrogen, Total Coliform,</span><br><span> E-Coli, Temperature, etc.</span><br><span></span><br><span> Has anyone done this before? Does</span><br><span> anyone have information where I could purchase these</span><br><span> sensors?</span><br><span></span><br><span> Regards,</span><br><span></span><br><span> Mark Widman</span><br><span> 910-638-5229</span><br><span></span><br><span> Sent from iPhone.</span><br><span></span><br><span> _______________________________________________</span><br><span> Personal_Submersibles mailing list</span><br><span> <a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br><span></span><br><span></span><br><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>