Thermocouple is consisted of thermo element, insulation material (ceramic or MgO) and protection tube.
Thermocouple type:
Type code Thermo wire material Measuring range Tolerance Value B PtRh30-PtRh 600 ~ 1700 ℃ ±1.5 ℃ or ±0.25% t S PtRh10-Pt 0 ~ 1600 ℃ ±1.5 ℃ or ±0.25% t K Nicr-NiSi 0 ~ 1200 ℃ ±2.5 ℃ or ±0.75% t E Nicr-CuNi 0 ~ 800 ℃ ±2.5 ℃ or ±0.75% t T Cu-cuNi -40 ~ 350 ℃ ±1 ℃ or ±0.75% t J Te-CuNi 0 ~ 800 ℃ ±2.5 ℃ or ±0.75% t N NiCrSi-NiSi 0 ~ 1200 ℃ ±2.5 ℃ or ±0.75% t