... , B, R types.Insulation materials: enamelled, glass fiber, and others.Wires: flat and round.Thermocouple wires Using materials: CuNi, Fe-Cr-Al, CrNi ... alloy and constantan copper.Types of Thermocouple and IndexingUsing temperature range°CTypeIndexingNi-Cr-----Ni-SiK-200 ...