<div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif">Hi Dr. Dixon,</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">We too use the MetOne GT system and it has been a excellent device for us.</div><div class="gmail_default" style="font-family:georgia,serif"><br></div><div class="gmail_default" style="font-family:georgia,serif">Dave</div><div class="gmail_default" style="font-family:georgia,serif">Wake Forest University</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, Mar 24, 2026 at 12:09 PM Nathan Aultman <<a href="mailto:naultman@creol.ucf.edu">naultman@creol.ucf.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div class="msg7013770776905998888">





<div lang="EN-US" style="overflow-wrap: break-word;">
<div class="m_7013770776905998888WordSection1">
<p class="MsoNormal"><span style="font-size:11pt">Dr. Dixon,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">We use a MetOne GT-321.  It is one of their older models. 
<a href="https://metone.com/product-categories/controlled-environments-clean-rooms/" target="_blank">
https://metone.com/product-categories/controlled-environments-clean-rooms/</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Times New Roman",serif">Nathan C. Aultman<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Times New Roman",serif">University of Central Florida<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Times New Roman",serif">407-823-6852<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Times New Roman",serif"><a href="mailto:naultman@creol.ucf.edu" target="_blank"><span style="color:rgb(5,99,193)">naultman@creol.ucf.edu</span></a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<div>
<div style="border-width:1pt medium medium;border-style:solid none none;border-color:rgb(225,225,225) currentcolor currentcolor;padding:3pt 0in 0in">
<p class="MsoNormal"><b><span style="font-size:11pt;font-family:Calibri,sans-serif">From:</span></b><span style="font-size:11pt;font-family:Calibri,sans-serif"> labnetwork <<a href="mailto:labnetwork-bounces@mtl.mit.edu" target="_blank">labnetwork-bounces@mtl.mit.edu</a>>
<b>On Behalf Of </b>Alex Dixon<br>
<b>Sent:</b> Monday, March 23, 2026 4:22 PM<br>
<b>To:</b> Network Fab <<a href="mailto:labnetwork@mtl.mit.edu" target="_blank">labnetwork@mtl.mit.edu</a>><br>
<b>Subject:</b> [labnetwork] Cleanroom Particle Monitors<u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal"><span style="color:black">Hi Everyone, I was wondering what people use for particle measurement systems in their cleanrooms? We are trying to add active particle monitoring to our cleanroom facilities. I was looking at the lasair pro from
 "Particle Measuring Systems" <a href="https://www.pmeasuring.com/" target="_blank">https://www.pmeasuring.com/</a> but university procurement is asking me to put together some other options.  <u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span style="color:black"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span style="color:black">-Alex<u></u><u></u></span></p>
</div>
<div id="m_7013770776905998888Signature">
<div>
<p class="MsoNormal"><span style="color:black"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33);background:repeat white">__________________________________________________________</span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)"><u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33);background:repeat white">Alex Dixon, Ph.D. (He/Him)</span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)"><u></u><u></u></span></p>
</div>
<p class="MsoNormal" style="background:repeat white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)">Lab Manager<u></u><u></u></span></p>
<p class="MsoNormal" style="background:repeat white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)">Nanofabrication and Thin Film Deposition<u></u><u></u></span></p>
<p class="MsoNormal" style="background:repeat white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33);background:repeat white">Shared Instrument Facility </span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:repeat white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)">Colorado School of Mines<u></u><u></u></span></p>
<div>
<p class="MsoNormal"><span style="font-family:Calibri,sans-serif;color:black"><u></u> <u></u></span></p>
</div>
</div>
</div>
</div>

_______________________________________________<br>
labnetwork mailing list<br>
<a href="mailto:labnetwork@mtl.mit.edu" target="_blank">labnetwork@mtl.mit.edu</a><br>
<a href="https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork" rel="noreferrer" target="_blank">https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork</a><br>
</div></blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr" style="text-align:center"><b style="font-size:19px;font-family:Garamond,serif"></b></div><div dir="ltr" style="text-align:left"><b style="font-size:19px;font-family:Garamond,serif"><img width="200" height="81" src="https://ci3.googleusercontent.com/mail-sig/AIorK4waCuLiotTjsm78s5FfIEsmwYz7oR0pEuZ9zn1MLBu95Uy3kjsyJ9O0HL1LbKPw0V7KdqpEpSOgNr7Q"><br></b></div><div dir="ltr"><b style="font-size:19px;font-family:Garamond,serif">David L. Carroll PhD.</b><br></div><div dir="ltr"><div><font face="Garamond, serif" style="color:rgb(191,144,0)"><br></font></div><div><font face="Garamond, serif" color="#000000"><b style="background-color:rgb(255,255,255)">Nano and Quantum Technologies Laboratory</b></font></div><div><span style="background-color:rgb(255,255,255)"><font color="#000000"><span style="font-family:Garamond,serif">Wake Forest University</span><br></font></span></div><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font style="font-family:arial;font-size:small" color="#000000"><span style="font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)"></span></font><div><span style="font-family:Garamond,serif;background-color:rgb(255,255,255)"><font color="#000000">95 W 32nd Street | Winston-Salem NC 27105 U.S.A.</font></span></div><div><br></div><div><span style="color:rgb(31,73,125);font-family:Garamond,serif">Web. <a href="http://www.wfu.edu/~carroldl" target="_blank">www.d</a><a href="http://www.david-carroll.org" target="_blank">avid-carroll.org</a></span></div><div style="text-align:left"><font face="garamond, times new roman, serif">Web. <a href="http://www.wake-nanotech.org" target="_blank">www.wake-nanotech.org</a></font></div><div style="text-align:center"><br></div><div style="text-align:center"><br></div><div style="text-align:center"><p style="text-align:center;margin-bottom:1rem;margin-top:0px;color:rgb(19,19,19);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol",sans-serif;font-size:14px"><img width="96" height="90" src="https://ci3.googleusercontent.com/mail-sig/AIorK4z4mqjdq5pfNYoHKKCsumtpAKnourN52vONGmx3KRmT3sbiPtaskOPIVOUev622dsuxBLeuZJ5Uvn0I"><br></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>