On Tue, 26 Apr 2005, Dominic Stratten wrote: > Have you considered that the reference thermometer is storing heat ? The > greater the mass of an item the longer it takes to cool down. Yes but it would *indicate* its own temperature, no ? Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist