Question: what is the difference between thermocouple types?
Answer: Thermocouples consist of two wire legs made from different metals. ... Type J, K, T, & E are “Base Metal” thermocouples, the most common types of thermocouples. Type R, S, and B thermocouples are “Noble Metal” thermocouples, which are used in high temperature applications (see thermocouple temperature ranges for details).