... Hight accuracy,rapid reaction,reliability,stability Immesion thermocouple(Type B,R,S and Wre)Thermocouple tip/head are used for measurement ... Thermocouple tip has two type.Type:QR-KW/S/R/B-602J Type:QR-KW/S/R/B-604J( The letter J stand for ... %Re-W3%Re)QR-KW-602/604 1820°cType S ( Pt-Pt10%Rh)QR-KS-602/604 1760°cType ... limit,hight temperature:1800degrees celsius. Immersion thermocouple(type B,R,S and Wre)