ENVIRONMENT-INDEPENDENT LIQUID LEVEL SENSING BASED ON FIBER-OPTIC DISPLACEMENT SENSORS

被引：12
|
作者：
Yang, H. Z. [1 ]
Harun, S. W. [1 ,2 ]
Arof, H. [2 ]
Ahmad, H. [1 ]
机构：
[1] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2011年 / 53卷 / 11期
关键词：
liquid-level sensor; optical fiber sensor;
D O I：
10.1002/mop.26358
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 fiat mirror target. With a concave mirror, six measurement slopes within a range of 25 nun 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. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2451-2453, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26358
引用
收藏
页码：2451 / 2453
页数：3
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