k type thermocouple,temperature:-40c-1200c industrial thermocouple types:J,K,T,E,N,R,S,B k type thermocouple mineral oxide thermocouple for a wide range of industrial ... applicationstemperature limits:-40~350°C for type T-40~750 ... long,insulation :fiberglass with stainless steel overbraid(900 deg.F) K type thermocouple