Capacitance sensor for measuring water level
A water level sensor, based on a varnished copper wire, was developed. Water and copper are the plates of the capacitor, and the varnish, the dielectric. Nine sensors with wires of different diameters were individually calibrated. For each wire, a linear regression was calculated between the water levels and their respective capacitances. All of the determination coefficients showed values near to the unity. Capacitance of wire ranges from 37.3 to 84.3 pF/cm.
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| Main Authors: | , , , , |
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| Format: | Digital revista |
| Language: | por |
| Published: |
Pesquisa Agropecuaria Brasileira
1997
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| Online Access: | https://seer.sct.embrapa.br/index.php/pab/article/view/4686 |
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