Looking for some help here. If I have two objects, (1) a heat source that, lets say can get up to 1500 degrees, and (2) a simple metallic object, and lets say the object and heat source are relatively close to each other. Object number (2) has a small metallic probe that goes into the heat source and connects to itself. Is there a way to regulate the temperature of object (2) through this metallic bridge, wherein, although the heat source may produce a temperature of 1500 F, object (2) does not get above 500 degrees? I thought of using a bimetallic coupler (on the metallic probe), but not sure if that would work. Any materials that regulate, limit heat exchange? Thanks.