On Sun, 13 Jan 2008 23:33:25 +0000 (GMT), "Dave Liquorice"
wrote:

I'm trying *really* hard to resist, I have a dual input thermcouple
thermomtere for doing rads, it even does the maths for you between the two
sensors. B-)

When I did mine ('79), I used two thermocouples wired in opposition into a dvm.
Did not have to worry about cold junction compensation as the thermals (at the
DVM) cancelled out.

Geo