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<div class="moz-cite-prefix">Hi Jerry,<br>
We have two systems at The Molecular Foundry, an older Honeywell
Analytics (about 6-7 years old and a newer system (1-2 years old).<br>
<br>
They operate similarly to what you describe, except ours can be
read remotely in locations immediately outside the lab enclosure
where sensor are located, as well as at kiosk-type video panels
that allow the FD to see what is in alarm, where its located, and
the detection level (the FD likes this since they can make a
determination of how to proceed without visiting the detection
location).<br>
<br>
Hope this helps...<br>
<pre class="moz-signature" cols="80">David A. Bunzow
User Facilities Program Manager
The Molecular Foundry
Materials Science Division
Lawrence Berkeley National Laboratory
1 Cyclotron Road MS 67-3207
Berkeley, CA 94720
Office: 510-486-4574
FAX: 510-486-7424
Cell: 510-542-1747
</pre>
On 8/8/2012 10:13 AM, Bowser, Jerry wrote:<br>
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<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Hello
All,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">I
wanted to survey the group for information regarding the
type and brands of toxic gas monitoring control systems in
use. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Here
at the CNST, we use various gas sensors (about 55) connected
to a custom PLC based system that is just about at
capacity. If a gas is detected, the system shuts down gas
cabinets, sounds alarms, and alerts our fire department.
The major shortfall of the system is that the detection
level can be read at the sensor in the detection zone but is
not displayed at the control interface. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Before
we decide on upgrading or replacing our control system, I
thought I would see what others are currently using. Thanks
for your input.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Jerry<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">*******************************************<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Jerry
Bowser<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">NanoFab
Operations Group<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Center
for Nanoscale Science and Technology<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">National
Institute of Standards and Technology<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Verdana","sans-serif"">Phone:
(301) 975-8187<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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