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5 October 2009 Simultaneous measurement of liquid level and specific gravity based on fiber Bragg grating sensors
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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75033T (2009) https://doi.org/10.1117/12.833683
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom
Abstract
In this paper we presented the simultaneous measurement of liquid level and specific gravity with two fiber Bragg grating (FBG) sensors and utilized the relationship between liquid level and pressure sensors. One FBG was fixed on the surface of a cantilever beam as a liquid level sensor and another FBG was embedded in a polymer-half-filled metal cylinder as a pressure sensor. The two sensors exhibited an approximately linear response and can be applied to measure the unknown liquid level and specific gravity of liquid. This system can be applied for the oil tanks and batteries monitoring.
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Chih-Wei Lai, Yu-Lung Lo, Wen-Feng Liu, and Jiahn-Piring Yur "Simultaneous measurement of liquid level and specific gravity based on fiber Bragg grating sensors", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033T (5 October 2009); https://doi.org/10.1117/12.833683
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