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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>The attached plot compares the 4.5K return line temperatures among Hall A, B and C. Hall B line is only line that that has the period temperature spike which perturbs ESR operations.<o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='line-height:105%;color:#1F497D'>-----------------<o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#1F497D'>Joe D. Wilson, Jr.<o:p></o:p></span></b></p><p class=MsoNormal><span style='color:#1F497D'>Cryogenic Operations Engineer<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Esr-users [mailto:esr-users-bounces@jlab.org] <b>On Behalf Of </b>Joe D. Wilson, Jr<br><b>Sent:</b> Friday, January 12, 2018 2:26 PM<br><b>To:</b> ESR-users@jlab.org<br><b>Subject:</b> Re: [Esr-users] [New Logentry] Unstable Hall B return temps<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>From the log entry, here is the attached picture that some of us could not open.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='color:#1F497D'>-----------------<o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#1F497D'>Joe D. Wilson, Jr.<o:p></o:p></span></b></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Esr-users [<a href="mailto:esr-users-bounces@jlab.org">mailto:esr-users-bounces@jlab.org</a>] <b>On Behalf Of </b><a href="mailto:cryo@jlab.org">cryo@jlab.org</a><br><b>Sent:</b> Friday, January 12, 2018 2:15 PM<br><b>To:</b> <a href="mailto:ESR-users@jlab.org">ESR-users@jlab.org</a><br><b>Subject:</b> [Esr-users] [New Logentry] Unstable Hall B return temps<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div id=center><div id=main><h1><span style='font-size:17.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><a href="https://logbooks.jlab.org/entry/3511527">Unstable Hall B return temps</a> <o:p></o:p></span></h1><div><p class=author-datetime1><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555'>Lognumber <a href="https://logbooks.jlab.org/entry/3511527">3511527</a>. Submitted by <a href="https://logbooks.jlab.org/user/cryo">cryo</a> on Fri, 01/12/2018 - 14:14. <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:1.2pt;margin-right:0in;margin-bottom:1.2pt;margin-left:0in'><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555'>Last updated on Fri, 01/12/2018 - 14:14<o:p></o:p></span></p><table class=MsoNormalTable border=0 cellpadding=0><tr><td width="15%" style='width:15.0%;padding:1.2pt 1.2pt 1.2pt 1.2pt'><p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in'><b><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif'>Logbooks: <o:p></o:p></span></b></p></td><td width=459 style='width:.3pt;padding:1.2pt 1.2pt 1.2pt 1.2pt'><p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in'><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif'><a href="https://logbooks.jlab.org/book/clog">CLOG</a><o:p></o:p></span></p></td></tr><tr><td width="15%" style='width:15.0%;padding:1.2pt 1.2pt 1.2pt 1.2pt'><p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in'><b><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif'>Entry Makers: <o:p></o:p></span></b></p></td><td width=459 style='width:.3pt;padding:1.2pt 1.2pt 1.2pt 1.2pt'><p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in'><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif'>cperry<o:p></o:p></span></p></td></tr></table></div><div><p><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'>The Hall B 4K return temperature as been very unstable lately including a significant increase in temperature starting this morning at 8 and not turning around until noon.<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><img border=0 width=950 height=517 style='width:9.8958in;height:5.3854in' id="_x0000_i1025" src="cid:2a07040f62ca675e221bee7f2cc832cd@logbooks.jlab.org"><o:p></o:p></span></p></div></div></div></div></div></body></html>