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Vol. 160, Issue 12, December 2013, pp. 55-61




Method of Thermocouples Self Verification on Operation Place
1 Chang SHU, 2 Orest KOCHAN

1 School of Economics Management, Northwest University of Politics and Law, Xi'an, Shaanxi, 710063, China.

2 Department of Metal Physics, Ivan Franko National University of L'viv, Universytetska str., 1, Lviv, 79000, Ukraine
E-mail: orestvk@gmail.com


Received: 13 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems


Abstract: The method of periodic verification in operation condition of the main thermocouple of thermocouple based sensor with controlled profile of temperature field (TBS with CPTP) is proposed in this paper. This periodic verification can be done without dismantling out of sensor from operation place as well as without any working standards. The reference thermocouples of either 1st or 3rd level of hierarchy scheme can be used for verification of TBS with CPTP right after produce. Evaluation of self verification error in this case has shown value of error at either 1 ?C or 1.2 ?C respectively.


Keywords: Temperature calibrator, Frequent verification.


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