Environment‐independent liquid level sensing based on fiber‐optic displacement sensors | Zendy

Yang H. Z. | Zendy; Harun S. W. | Zendy; Arof H. | Zendy; Ahmad H. | Zendy

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

Author(s) -

Yang H. Z.,

Harun S. W.,

Arof H.,

Ahmad H.

Publication year - 2011

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.26358

Subject(s) - displacement (psychology) , fiber optic sensor , sensitivity (control systems) , float (project management) , optics , optical fiber , range (aeronautics) , materials science , acoustics , physics , engineering , electronic engineering , psychology , marine engineering , composite material , psychotherapist

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. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2451–2453, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26358

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