<div dir="ltr">James,<div><br></div><div>as everyone has previously mentioned, all of the DOD stuff works really well, as do the Matheson single point hand-held units. You don't say what detection system you're using for the rest of your fab, but I'd check with that vendor to see what they offer.</div><div><br></div><div>I'd also suggest that you look at a MultiRAE unit (good for monitoring up to six different gas chemistries), and the Honeywell SPMFlex (extractive tapes required).</div><div><br></div><div>Here at UofMichigan we have a variety of handheld detection systems. What you'll find is that there isn't a "silver bullet" to cover every single thing when you look at multi-use sensors. There will have to be some trade offs.</div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div>Dennis Schweiger</div><div>University of Michigan/LNF</div><div>Facilities</div><div> </div><div>734.647.2055 Ofc</div><div> </div><div><br></div></div></div><div class="gmail_quote">On Fri, Mar 31, 2017 at 3:59 PM, James C. Sturm <span dir="ltr"><<a href="mailto:sturm@princeton.edu" target="_blank">sturm@princeton.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="color:#1f497d">I am looking for handheld detectors to “sniff” at VCR or swagelock joints for leaks of hydrogen and also for common hydrides (silane, germane, diborane, phosphine…). The lab has a central system already, but
I am looking for something to sniff at joints with after making connections and repressurizing. (Yes we will Helium leak-check too, but this is as a followup with less likelihood of someone doing it wrong).<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Many years (25?) we had a handheld unit for hydrides (about 7” x 3 “ x 1”, with a 4” long rubber sniffer port). Probably made by Matheson but can’t seem to find anything similar from them now (although I didn’t
look very hard).<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Suggestions?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Thanks, Jim Sturm<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
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