光纤光栅应变传感器校准的环境温度测量系统及其标定方法研究

doi:10.3969/j.issn.1000-1158.2019.6A.009

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Abstract In order to accurately measure the ambient temperature value, control the ambient temperature field to be stable and uniform, and improve the test accuracy of the fiber grating strain sensor, the standard platinum resistance and multi-channel excellent thermocouple were designed in the performance test of fiber grating strain sensor and the calibration of key parameters. To realize the multi-point temperature field measurement method, the thermocouple calibration experiment and the system measurement uncertainty analysis in the temperature range of 3 °C at 20 °C were carried out, the actual measurement uncertainty of the whole system was within 5mK, which can meet the testing needs of fiber grating strain sensors.

Key words： metrology fiber bragg grating temperature measurement platinum resistance thermocouple measurement uncertainty

Received: 20 September 2019

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TB921

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	Articles by authors
	WEI Jin-he
	CUI Jian-jun
	ZHANG Fu-min
	CHEN Kai
	WANG Dong

Cite this article:

WEI Jin-he,CUI Jian-jun,ZHANG Fu-min, et al. Research on Multi-point Temperature Field Measurement System for Fiber Bragg Grating Measurement Environment[J]. Acta Metrologica Sinica, 2019, 40(6A): 42-46.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.6A.009 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I6A/42

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