Environment-independent liquid level sensing based on fiber-optic displacement sensors

Yang, Hang Zhou and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2011) Environment-independent liquid level sensing based on fiber-optic displacement sensors. Microwave and Optical Technology Letters, 53 (11). pp. 2451-2453. ISSN 0895-2477

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Official URL: https://doi.org/10.1002/mop.26358

Abstract

A new fiber-optic liquid-level sensor (LLS) for continuous monitoring of the liquid level is proposed using a fiber-optic displacement sensor (FODS). A float is used to measure the level of liquid in the tank and it is connected to the FODS probe to convert the variation of the liquid level into a displacement change. The performance of the LLS is investigated for two different FODSs with a concave and a flat mirror target. With a concave mirror, six measurement slopes within a range of 25 mm are observed with the highest sensitivity of 1.3015 mV/mm. With a flat mirror, two measurement slopes are observed with the highest sensitivity of 1.4533 mV/mm and the longest measurement range of 4.8 mm.

Item Type: Article
Uncontrolled Keywords: Liquid-level sensor; Optical fiber sensor
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 02 Jan 2019 04:04
Last Modified: 02 Jan 2019 04:04
URI: http://eprints.um.edu.my/id/eprint/19876

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