... Rh Hight accuracy,rapid reaction,reliability,stability Immesion thermocouple(Type B,R,S and Wre)Thermocouple tip/head are used ... type.Type:QR-KW/S/R/B-602J Type:QR-KW/S/R/B-604J( The letter J stand for the exact thermocoupl ... R (Pt-Pt13%Rh)QR-KR-602/604 1760°cType B (Pt6%Rh-Pt30%Rh)QR-KB-602/604 1800° ... temperature limit,hight temperature:1800degrees celsius. Immersion thermocouple(type B,R,S and Wre)