It is made of Inconel 718 allow and coated with Dynisco's diamond-hardened DyMax, for extra protection against abrasion and corrosion.Dynisco of Franklin is offering a longer, four-year warranty for the unit.With Vertex,Carrarasaid, Dynisco has approached the holy grail of melt sensors, sensitive instruments that have to be sturdy to withstand high temperatures, pressures and other stresses in e