... Tolerance:4C Fast reaction,High accurate,relability High Temperature Sensor(Type S,R,B,Wre)It is usually connected with display meter ... the different thermocoupe wire,thermocouple has four type are S,R,Band WRe Type. Type Model +leg -leg R QR-KR PtRh13% Pt S QR ... …0°CMax. Immersion time at 1650°C : 7 seconds.Measuring time : 3 to 6 seconds. High Temperature Sensor(Type S,R,B,Wre)