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<p>The HTCC had a low pressure alarm early in the morning, Yuri and
Denny called to ask if there was a problem with the flow. There
was no issue with the flow. <br>
</p>
<p>-Marc<br>
</p>
<br>
<div class="moz-cite-prefix">On 4/16/2018 4:50 PM, Amrit Yegneswaran
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:469384348.4889653.1523911826992.JavaMail.zimbra@jlab.org">
<div style="font-family: tahoma,new york,times,serif; font-size:
14pt; color: #009900">
<div>so what was the issue marc?<br>
</div>
<div>you may wish to state the problem, even if you were phoned.<br
data-mce-bogus="1">
</div>
<div><br data-mce-bogus="1">
</div>
<div><br>
</div>
<hr id="zwchr" data-marker="__DIVIDER__">
<div data-marker="__HEADERS__"><b>From: </b>"Marc Mcmullen"
<a class="moz-txt-link-rfc2396E" href="mailto:mcmullen@jlab.org"><mcmullen@jlab.org></a><br>
<b>To: </b><a class="moz-txt-link-abbreviated" href="mailto:dsg-htcc@jlab.org">dsg-htcc@jlab.org</a><br>
<b>Sent: </b>Monday, April 16, 2018 3:58:38 PM<br>
<b>Subject: </b>[Dsg-htcc] low pressure on 04/16<br>
</div>
<div><br>
</div>
<div data-marker="__QUOTED_TEXT__">Hi Denny and Yuri,<br>
<br>
I have checked the Mya archive, during the period of low
pressure, the <br>
mass flow controller was supplying 10lpm. It is set for 10lpm,
so no <br>
issue there. I have included 4 screenshots from MYA, three are
the same <br>
shot with different y-axis scales. One is a close up of the
event.<br>
<br>
Also, that ambient pressure signal name is on the right side
of the <br>
graph, we use it a lot to check for coincidence with detector
pressures.<br>
<br>
-- <br>
Marc McMullen<br>
Detector Support Group<br>
757-269-7738<br>
<br>
<br>
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<br>
<pre class="moz-signature" cols="72">--
Marc McMullen
Detector Support Group
757-269-7738</pre>
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