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Install dew point sensor on outlet side of air dryer with 4-20mA
output signal<br>
Common set points are -100 F, -75 F and - 40 F<br>
corresponding to approx 1ppm, 10ppm and 100ppm H2O content.<br>
<br>
We deliver at 1-10ppm; system alarms at 100ppm (-40 F)<br>
<br>
Useful reference: <a class="moz-txt-link-freetext" href="http://www.asge-online.com/pdf/ASGEpg185.pdf">http://www.asge-online.com/pdf/ASGEpg185.pdf</a><br>
<br>
Bill Flounders<br>
UC Berkeley<br>
<br>
<br>
Vito Logiudice wrote:<br>
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<blockquote
cite="mid:CF167FC8.33FAB%25vlogiudi@connect.uwaterloo.ca"
type="cite">
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<div style="color: rgb(0, 0, 0); font-family: Calibri, sans-serif;
"><span style="font-size: 14px;">Dear Colleagues,</span></div>
<div style="color: rgb(0, 0, 0); font-family: Calibri, sans-serif;
"><span style="font-size: 14px;"><br>
</span></div>
<div><span style="font-size: 14px;">We are in the process of
implementing a standalone system for monitoring cleanroom
environmental parameters such as temperature, humidity,
differential pressures, etc. An additional variable we would
like to monitor is moisture content of our clean, dry air
(compressed air) supply.</span></div>
<div><span style="font-size: 14px;"><br>
</span></div>
<div><span style="font-size: 14px;">I would be grateful for any
insights on how to best monitor this variable in a reliable
fashion. Thank you.</span></div>
<div><span style="font-size: 14px;"><br>
</span></div>
<div><span style="font-size: 14px;">Regards,</span></div>
<div><span style="font-size: 14px;">Vito Logiudice</span></div>
<div style="color: rgb(0, 0, 0); font-family: Calibri, sans-serif;
">
<div><span style="font-size: 14px;">-- </span></div>
<div>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">Vito Logiudice M.A.Sc., P.Eng.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">Director of Operations, Quantum
NanoFab<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">University of Waterloo<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">200 University Avenue West<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">Waterloo, ON Canada N2L
3G1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">Tel: 1-519-888-4567 ext. 38703<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">Email: <a moz-do-not-send="true"
href="mailto:vlogiudi@uwaterloo.ca" style="color: blue;
">vlogiudi@uwaterloo.ca</a></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt; "><span
style="font-size: 14px;">Website:
<a moz-do-not-send="true"
href="https://qncfab.uwaterloo.ca">https://qncfab.uwaterloo.ca</a>/</span></p>
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