Environment-independent liquid level sensing based on fiber-optic displacement sensors
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 d...
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| Main Authors: | , , , |
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| Format: | Article |
| Published: |
John Wiley & Sons
2011
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/19876/ https://doi.org/10.1002/mop.26358 |
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| Summary: | 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. |
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