... Hight accuracy,rapid reaction,reliability,stability Immesion thermocouple(Type B,R,S and Wre)Thermocouple tip/head ... temperatures. Thermocouple tip has two type.Type:QR-KW/S/R/B-602J Type:QR-KW/S/R/B-604J ... of tip bottom is triangle,which we called type 604.According to the different way of connection ... tip and 602 connector This is 604 thermocouple type and 604 connector Advantages: (1)high accuracy, ...