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Comparison of the Calibration of Liquid-in-Glass Thermometers in the Range from \(-30\, ^{\circ }\hbox {C}\) to \(150\,^{\circ }\hbox {C}\)

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Abstract

MIRS/UL-FE/LMK and MBM organized a bilateral comparison of a set of liquid-in-glass thermometers (LIGTs) in the range from \(-30\, ^{\circ }\hbox {C}\) to \(150\, ^{\circ }\hbox {C}\). The circulating items were three total immersion LIGTs, manufactured by Thermo Schneider, resolution of \(0.1\, ^{\circ }\hbox {C}\), covering range from \(-30\, ^{\circ }\hbox {C}\) to \(10\, ^{\circ }\hbox {C}\) (Serial Number 991289), \(0\, ^{\circ }\hbox {C}\) to \(50\, ^{\circ }\hbox {C}\) (Serial Number 9710425), and \(100\, ^{\circ }\hbox {C}\) to \(150\, ^{\circ }\hbox {C}\) (Serial Number 991308). The range between \(50\, ^{\circ }\hbox {C}\) and \(100\, ^{\circ }\hbox {C}\) has been already compared in another interlaboratory comparison. This interlaboratory comparison was also registered as EURAMET 1249 comparison project (comparison of the calibration of liquid-in-glass thermometers in the range from \(-30\, ^{\circ }\hbox {C}\) to \(150\, ^{\circ }\hbox {C}\)). The results of the comparison showed that all 18 pairs of measurements performed by the participating laboratories agree within declared uncertainties and thus supported declared calibration and measurement capabilities by MIRS/UL-FE/LMK and MBM.

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Acknowledgments

This work was partially supported by the Ministry of Economic Development and Technology, Metrology Institute of Republic Slovenia in scope of contract 6401-18/2008/70 for the national standard laboratory for the field of thermodynamic temperature and humidity.

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Authors and Affiliations

  1. Metrology Institute of the Republic of Slovenia/University of Ljubljana-Faculty of Electrical Engineering/Laboratory of Metrology and Quality (MIRS/UL-FE/LMK), Ljubljana, Slovenia

    J. Bojkovski

  2. Bureau of Metrology (MBM), Podgorica, Montenegro

    T. Vukicevic

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  1. J. Bojkovski
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  2. T. Vukicevic
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Correspondence to J. Bojkovski.

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Bojkovski, J., Vukicevic, T. Comparison of the Calibration of Liquid-in-Glass Thermometers in the Range from \(-30\, ^{\circ }\hbox {C}\) to \(150\,^{\circ }\hbox {C}\) . Int J Thermophys 36, 3502–3509 (2015). https://doi.org/10.1007/s10765-015-2005-1

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  • DOI: https://doi.org/10.1007/s10765-015-2005-1

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