> Exactly how does one apply a thermometer, admittedly a fine piece of
> laboratory equipment, to the bearings of a motor, or the windings,
> or the housing?  Most thermometers are meant to operate in a fluid
> (e.g., air or water) and are rather tough to connect to machine parts.
> That's why when we build a large motor we layer thermistors into the
> windings and glue them with heat-conductive cement to bearing supports.

Well, that's what I said.  But others were wiser, as usual, and there's
a non-contact infra-red thermometer available at Harbor Freight Tools:

  http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=93983

There's a tiny link there for a PDF of the instruction manual, and on
that is a reference to a place called zytemp.com, which has a marvelous
variety of these things.  I gotta go get one!

Mark Kinsler
Lancaster, Ohio, USA
http://howthingsoughtawork.blogspot.com/