Immesion thermocouple(Type B,R,S and Wre ISO9001 Thermocouple wire:Pt-Rh Hight accuracy,rapid reaction,reliability,stability Immesion thermocouple(Type B,R,S and Wre)Thermocouple tip ... time≤5s. (4)High temperature limit,hight temperature:1800degrees celsius. Immersion thermocouple(type B,R,S and Wre)