... High accuracy,rapid reaction,stability Mini fast thermocouple for steel industry is uesd for measuring the temperature of molten metal.It has ... stability.Structure of thermocoupleNote:1Protective iron/Al cap6 refractory cement head or refractory ceramic headAccording the different thermocoupe wire,thermocouple has ... ID 18mm±1mm OD 30±1mm). Mini fast thermocouple for steel industry(Type S,R,B and Wre)