Capacitive transducer circuits for liquid level measurement
This work is making use of the capacitive element that is made of two electrodes - a column of liquid the level of which is to be measured, and a metallic tube that is pulled and fitted over a PVC tube of accordingly smaller dimensions. Both of the electrodes are provided with contact terminals for...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
IJCSES
2008
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/26310/1/v2-3-6.pdf http://irep.iium.edu.my/26310/ http://bit.kuas.edu.tw/~ijcses/Year2008.htm |
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| Summary: | This work is making use of the capacitive element that is made of two electrodes - a column of liquid the level of which is to be measured, and a metallic tube that is pulled and fitted over a PVC tube of accordingly smaller dimensions. Both of the electrodes are provided with contact terminals for easy connection within a bridge circuit, which is powered by a sinusoidal source of given amplitude and known frequency. Precautionary measures are taken for improved linearity and minimal interference of the power supply on experimental data obtained as a result of measurement. The experimental data shows good consistency with the theoretical details and
derivations. |
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