PCI Instruments' (Class A) PT100 General-Purpose Probe has been manufactured out of 316-grade Stainless Steel materials (3-mm or 6-mm OD). This apparatus exhibits a black PVC-coated, or purple PFA-coated cable, an integrated extension lead, and a pot seal function. It comes in numerous wire configurations ranging from 2, 3, 4, and 6-wire options.