IMPROVED UNCERTAINTY OF PALLADIUM WIRE BRIDGE METHOD
M.Gotoh, M.Ogawa, J.Ode
Abstract:
Wire method of calibration for R type thermocouple has reevaluated. Four kinds of source material of Pd wire was distributed and R type thermocouples from the same spool of wire were used among 7 members of the study group to equalize the experimental condition. More than 140 runs of the palladium point were performed. To avoid ambiguity in assigning Emf to the palladium melting point a data analysis program was developed which can determine a unique Emf from the data and can reject low quality plateau. Reproducibility expressed in terms of standard deviation is 0.18 K which is better than the previous results.
Keywords:
Palladium wire bridge method, uncertainty, unambiguous determination
Download:
IMEKO-WC-2000-TC12-P307.pdf
DOI:
-
Event details
Event name:
XVI IMEKO World Congress
Title:

Measurement - Supports Science - Improves Technology - Protects Environment ... and Provides Employment - Now and in the Future

Place:
Vienna, AUSTRIA
Time:
25 September 2000 - 28 September 2000
 Back