... 1~1.0mm 3.two cores:positive & negative Thermocouple wire/cable 1.K,E,J,T type 2.Diameter ... 1~1.0mm 3.two cores:positive & negativeThermocouple wire/cable Thermocouple wire models:K,E,J,T,N,S,B, ... It is widely used in metallurgy ,chemical and other industries. Types of Thermocouple and IndexingUsing temperature range°CTypeCalibrationNi-Cr----- ... ---Au-Fe0.07Ni-AuFe0.07-270------0 Thermocouple wire/cable