At 01:14 PM 1/18/2005 -0800, you wrote: >Maybe he could use maple syrup as the calibration medium, instead of oil :) > >I also note that he is interested in accurate temperatures at 102 C only, >and nothing else. Thus, repeatability is the real requirement. > >With his being into this activity I would guess he already owns a good >thermometer that can be used to calibrate the electronic thingy. > >BTW, water boils at 100 C and you could probably add a bit of salt to >raise it to 102. > >Barry If you check with a really accurate thermometer, you may be surprised at what temperature you read in boiling water. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist