Patent ID: 7719289

Claim:
A measuring device for measuring the state of oils or fats, comprising: a housing; a hollow connecting element attached to the housing, wherein at least one electrical conductor runs inside the hollow connecting element; a plurality of substrates mounted on the opposite end of the connecting element for receiving a sensor for measuring an electrical property of oil or fat to be measured, the connecting element being thermally insulated from the plurality of substrates, the sensor being connected to an electronic analyzer circuit via the at least one electrical conductor situated on at least one of the plurality of substrates that is a non-conductive substrate, the electronic analyzer circuit being situated in the area of at least one of: the housing and the end of the connecting element facing the housing, wherein the plurality of substrates includes a plurality of electrically connected and thermally isolated carrier substrates arranged in series, each of the plurality of electrically connected and thermally isolated carrier substrates having electrical conductors situated thereon.