... S,R,B) 1.Pt-Rh/Wre wire 2.Max. Temp.range:1820C 3.Thermocouple sensor Pt-Rh Expendable thermocouple (Type S,R ... ,B) Immersion thermocouple (type S,R ... wire,thermocouple has four type are S,R,Band WRe Type. TypeModel+leg-legRQR ... senconds.2.cardboard (ID 18mm±1mm OD 30±1mm). Pt-Rh Expendable thermocouple (Type S,R,B ...