<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The article examines: (i) the reasons of error due to thermoelectric inhomogeneity of electrodes of thermocouples acquired during prolonged use; (ii) the neural network method of error correction based on a generalization of verification results in several temperature fields; (iii) the method of investigating the impact of changing the speed of the conversion characteristic drift of thermocouple on error correction; (iv) results of this investigation. It is shown that residual error for type K thermocouples at the 5 % level of significance does not exceed μ±0.46 oС and one at the 10 % level of significance does not exceed ±0.25 °С</p></abstract>

The article examines: (i) the reasons of error due to thermoelectric inhomogeneity of electrodes of thermocouples acquired during prolonged use; (ii) the neural network method of error correction based on a generalization of verification results in several temperature fields; (iii) the method of investigating the impact of changing the speed of the conversion characteristic drift of thermocouple on error correction; (iv) results of this investigation. It is shown that residual error for type K thermocouples at the 5 % level of significance does not exceed μ±0.46 oС and one at the 10 % level of significance does not exceed ±0.25 °С

Investigations of Thermocouple Drift Irregularity Impact on Error of their Inhomogeneity Correction

School of Computer Science, Hubei University of Technology, Hubei, China

Department of Metal Physics, Ivan Franko National University of L'viv, 1, Universytetska str., 79000, Lviv, Ukraine

Measurement Science Review

The article examines: (i) the reasons of error due to thermoelectric inhomogeneity of electrodes of thermocouples acquired during prolonged use; (ii) the...

Investigations of Thermocouple Drift Irregularity Impact on Error of their Inhomogeneity Correction

Published Online: Mar 06, 2014

Page range: 29 - 34

DOI: https://doi.org/10.2478/msr-2014-0005

Keywords
Temperature measurement errors, thermocouple, error due to inhomogeneity

This content is open access.

Investigations of Thermocouple Drift Irregularity Impact on Error of their Inhomogeneity Correction

Published Online: Mar 06, 2014

Page range: 29 - 34

DOI: https://doi.org/10.2478/msr-2014-0005

KeywordsTemperature measurement errors, thermocouple, error due to inhomogeneity

This content is open access.

Keywords
Temperature measurement errors, thermocouple, error due to inhomogeneity