... 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/head are used for measurement of molten metal temperatures. Thermocouple tip has two type.Type:QR-KW/S/R/B ... limit,hight temperature:1800degrees celsius. Immersion thermocouple(type B,R,S and Wre)