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</style><article id="node-598032" class="node node-logentry article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/3525157" rel="bookmark">Follow-up Re: Major Torus Alarm</a>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/3525157" class="lognumber" data-lognumber="3525157">3525157</a>. Submitted by <a href="https://logbooks.jlab.org/user/kashy">kashy</a> on <time datetime="2018-02-01T08:55:16-0500" pubdate="pubdate">Thu, 02/01/2018 - 08:55</time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hblog">HBLOG</a> <a href="https://logbooks.jlab.org/book/hbtorus">HBTORUS</a></td></tr><tr><th>References: </th><td><a href="https://logbooks.jlab.org/entry/3525109">3525109 - Major Torus Alarm</a></td></tr></table></div>
<div class="logentry node-content">
<p>All the readouts on vertical supports went up. These supports have straing gages that are temperature compensated by sensor on from the flow paths from the vents of LN2 shields. There are no sensors on the actual supports themselves. At 05:20 the Hall started to warm due to loss of Chilled water. This temperature increase caused the warm end of the supports to warm and thus changed the actual temperature of the strain gage and thus its readout. The sensor that was alarming SG817U4HB4:Force, went from 3826lb to 4033lbs, original alarm value was 4000 and I reset it to 4500lbs</p>
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