We like Al tape for securing thermocouples.  KIC posted the process on their
site.  We buy tape from:
Chomerics Inc (T405 aluminum tape) 77 Dragon Ct # A Woburn, MA 01801 (781)
935-4850
CS Hyde Company 800-461-4161 / 847-265-6903 Fax: 800-441-8063

Dave Fish

----- Original Message -----
From: Phil Zarrow <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, February 07, 2001 4:56 PM
Subject: Re: [TN] "Temprobe" thermocouples for profiling


> Howard and all -
> I benchmark tested the Temprobes a few years ago.  I found the trick to
> getting a reltatively accurate reading was to make sure that the probe tip
is
> in firm and tangent contact with the solder joint.  If it is not making
good
> contact, as in only a portion of the tip on the joint due the angle of the
> joint, you will get the noise you noticed (and a very inaccurate
reading)l.
> Very similar to attaching a TC with kapton tape (another no--no) = you're
> reading air temp, IR, and not just the interconnection.  Some users have
> actually put thermal "grease" on top of the Temprobe/Joint interconnection
> (yuk).
> I've been very dubious of temporary probe attachment but, having worked in
> contract assembly, know the reality of some situations.  The Temprobe can
> work but with the caveats.  Greg Jones of KIC and others have experimented
> with aluminum tape with very good, reliable results.  I have yet to test
this
> method thoroughly but Greg is very credible.
> Happy profiling!
> Phil Zarrow
> ITM Consulting
> Durham, Great White North of NH     USA
> www.ITM-SMT.com
>
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