wild bill, it is a copper atkins #sh66a one of the best thermometers for the buck. accurate to .3 tenths of one deg. lab certified!



http://www.microtherm.com/atkins/id_catalog.pdf#search='cooper%20atkins%20sh66a'

fluke makes one model 51 that is nice too

http://ca.fluke.com/caen/products/Fl...(FlukeProducts) you could not go wrong with either of these for high accuracy.

vaughn