... Pt-Rh/Wre Tolerance:4C Fast reaction,High accurate,relability High Temperature Sensor(Type S,R,B,Wre)It is ... different thermocoupe wire,thermocouple has four type are S,R,Band WRe Type. Type Model +leg -leg R QR- ... connector,thermocouple head can be divide in 602 type and 604 type. Type Model 602(Round bottom) QR-KR/S/ ... 7 seconds.Measuring time : 3 to 6 seconds. High Temperature Sensor(Type S,R,B,Wre)