... high accuracy,rapid reaction,reliability and stability.Structure of thermocouple (Type S,R,B and Wre)Note:1Protective iron/Al ... ceramic headAccording the different thermocoupe wire,thermocouple has four type are S,R,Band WRe Type. Type Model +leg -leg R QR- ... °c 0.1Accroding the different thermocouple connector,thermocouple head can be divide in 602 type and 604 type. Type Model 602(Round bottom) QR ...