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Sensors & Transducers Journal (ISSN 1726-5479) |
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Vol. 160, Issue 12, December 2013, pp. 55-61
Method of Thermocouples Self Verification on Operation Place1 Chang SHU, 2 Orest KOCHAN1 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
Received: 13 October 2013 /Accepted: 22 November 2013 /Published: 30 December 2013 |
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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