Effect of Temperature Distribution on Emf of Thermocouples

Ogura Hideki, Tamba Jun, Izuchi Masaya, Arai Masaru

doi:10.11499/sicep.2002.0.109.0

Effect of Temperature Distribution on Emf of Thermocouples

Ogura Hideki

National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (NMIJ/AIST)
Tamba Jun

National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (NMIJ/AIST)
Izuchi Masaya

National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (NMIJ/AIST)
Arai Masaru

National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (NMIJ/AIST)

説明

A furnace was constructed to investigate the effect of temperature distribution on the emf change caused by the inhomogeneity in each individual thermocouple. The emf change of the inhomogeneous Pt/Pd thermocouple was observed by scanning the thermocouple in the temperature gradient region.