> > My question, however, is how would you calibrate the device real life? > I have a chimney thermometer now which has a probeon the back which goes into the center of the chimney, right above the stove, where the thermocouple would also be. I would calibrate it manually during use. Does this sound OK? Matrk -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu