K-Type Thermocouple Hysteresis – Interim Report
This report is a continuation of the work carried out to produce EI report T1962X15, in which a number of K-type thermocouples were examined to gain an understanding of drift in their measured values over a period of time. Work was later carried out to evaluate whether any hysteresis is present in the measurement of K-type thermocouples as a result of being subjected to a range of varying temperatures. The K-type thermocouple tested was Model number 408-055 manufactured by TC Ltd and using NiCr/NiAl. The functional purpose of the tests was to provide a realistic evaluation of the accuracy of K-type thermocouples which have been subjected to repeatedly varying temperature environments.
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