Labfacility Pt100 Elements Tubular Ceramic Sheath with Tail Wires – Labfacility XE-3666-001, A 2-wire Pt100 element encased in a tubular ceramic sheath. The sensor is terminated by stranded 7/0.2 silver plated copper PFA insulated leads. Labfacility XE-3666-001 2 Wire Class B 50mm Lead Ceramic Sheathed PT100 Inserts