<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
That sounds good.</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Thanks,</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Marc<br>
</div>
<div id="appendonsend"></div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Bob Miller <rmiller@jlab.org><br>
<b>Sent:</b> Monday, February 11, 2019 2:08 PM<br>
<b>To:</b> Marc Mcmullen<br>
<b>Cc:</b> Brian Eng<br>
<b>Subject:</b> Re: LTCC Gas H2O is Installed</font>
<div> </div>
</div>
<div style="background-color:#FFFFFF">
<p>Hi Marc,</p>
<p><br>
</p>
<p>I will fill the detectors Tuesday afternoon when it gets warmer. We can test the H2O sensor then if you like.
<br>
</p>
<p><br>
</p>
<p>Regards,</p>
<p>Bob<br>
</p>
<p><br>
</p>
<div class="x_moz-cite-prefix">On 2/11/2019 10:05 AM, Marc Mcmullen wrote:<br>
</div>
<blockquote type="cite"><style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hi Bob,</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
I have connected the H2O sensor to the Gas Controls, the initial readback value was ~2000 ppm and steadily dropping. In less than 20 minutes it has decreased to around 1100 ppm, and was still dropping.
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
If possible it would be helpful if we could run some gas from the supply tank directly through the transducer so we could have a baseline for reference. We also need to establish the return H2O set point, which will close the hall supply solenoid. Currently,
the solenoid is unplugged from the AC relay. <br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
This will be ready for use as soon as I can do some testing and update the FC cRIO software. I'll coordinate that with you and the RC.
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
-Marc<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Bob Miller
<a class="x_moz-txt-link-rfc2396E" href="mailto:rmiller@jlab.org"><rmiller@jlab.org></a><br>
<b>Sent:</b> Monday, February 11, 2019 9:15 AM<br>
<b>To:</b> Brian Eng; Marc Mcmullen<br>
<b>Subject:</b> LTCC Gas H2O is Installed</font>
<div> </div>
</div>
<div class="x_BodyFragment"><font size="2"><span style="font-size:11pt">
<div class="x_PlainText">Hi Marc and Brian,<br>
<br>
The H2O sensor is installed and cabled.<br>
<br>
The system is working fine now. I will have to wait for warmer weather <br>
tomorrow to fill up sector 3.<br>
<br>
Thanks,<br>
Bob<br>
<br>
-- <br>
Bob Miller<br>
Hall B Lead Engineer<br>
Jefferson Lab<br>
757 822-9586<br>
<br>
<br>
</div>
</span></font></div>
</blockquote>
<pre class="x_moz-signature" cols="72">--
Bob Miller
Hall B Lead Engineer
Jefferson Lab
757 822-9586
</pre>
</div>
</body>
</html>