Thermocouple Wire---Type K made from NiCr/NiAl with International Name Chromel Alumel  holds stable EMF figures at both 200 C and 1000 C.

We are manufacturing Thermocouple Wire under IEC Criteria with Class I of Tolerance. Here are some Specifications: 0.19 MM, 0.56 MM, 0.71 MM,  2.50 MM, 3.20 MM