On Wed, 31 Dec 2003 21:18:00 GMT, "Peter Cook"
> wrote:

>Obviously the heating characteristics of an oven change when there are tiles
>involved. But why would they cause the thermometer and the oven's
>temperature sensor to behave differently? And most importantly -- which one
>is right??

Probably depends on the position of the oven's sensor. Can you place
your thermometer next to the sensor?