Thermocouple wire/cable 1.K,E,J,T type ... ~1.0mm 3.two cores:positive & negative Thermocouple wire/cable 1.K,E,J,T type 2.Diameter ... ~1.0mm 3.two cores:positive & negativeThermocouple wire/cable Thermocouple wire models:K,E,J,T,N,S,B, ... R type.Insulation: silicone,teflon, fiberglass and PVCWire: single or stranded typeThe main ... -Fe0.07Ni-AuFe0.07-270------0 Thermocouple wire/cable