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<p class="MsoNormal">Hi Tyler,<o:p></o:p></p>
<p class="MsoNormal">What is the systematic errors for these measurements.?<o:p></o:p></p>
<p class="MsoNormal">Do the sensors show the same temp if put them close to each other in space?<o:p></o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Valery<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Dsg-rich <dsg-rich-bounces@jlab.org> on behalf of Tyler Lemon <tlemon@jlab.org><br>
<b>Date: </b>Monday, November 11, 2019 at 7:48 AM<br>
<b>To: </b>dsg-rich <dsg-rich@jlab.org><br>
<b>Subject: </b>Re: [Dsg-rich] Forward carriage ambient temperature sensors<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hello,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">The PVs for the forward carriage temperature sensors were added to the archiver last Friday.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">From the archived data over the weekend, the average temperature difference (in degrees Celsius) between L1 and L4 was 0.64 C +/- 0.06 C.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Attached are two plots: one of L1 and L4 temperature, the other the difference between L1 and L4.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Tyler<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Dsg-rich <dsg-rich-bounces@jlab.org> on behalf of Brian Eng <beng@jlab.org><br>
<b>Sent:</b> Thursday, October 31, 2019 11:27 AM<br>
<b>To:</b> dsg-rich <dsg-rich@jlab.org><br>
<b>Subject:</b> Re: [Dsg-rich] Forward carriage ambient temperature sensors</span>
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Log entry for the newly added RTDs on FC L1 as the Hall B provided ones aren't particularly fast/accurate.<br>
<br>
<a href="https://logbooks.jlab.org/entry/3738288">https://logbooks.jlab.org/entry/3738288</a><br>
<br>
> On Oct 29, 2019, at 1:23 PM, Tyler Lemon <tlemon@jlab.org> wrote:<br>
> <br>
> Hello,<br>
> <br>
> Aaron and I have relocated the FC ambient temperature/humidity sensors to the appropriate level based on their PV names.<br>
> <br>
> The logbook entry below has the details on the new sensor locations. <br>
> <br>
> <a href="https://logbooks.jlab.org/entry/3737646">https://logbooks.jlab.org/entry/3737646</a><br>
> <br>
> Once some time has elapsed, we'll analyze the temperature data to get a better idea of the temperature at the top vs bottom of the FC.<br>
> <br>
> -Tyler<br>
<br>
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