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Novel low-cost salinity sensor for embedded environmental monitoring

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4 Author(s)
Russ, S.H. ; Coll. of Eng., Univ. of South Alabama, Mobile, AL, USA ; Perepa, V. ; Leavesly, S. ; Webb, B.

Demand for embedded environmental sensors is increasing. One of the key sensor capabilities is the ability to measure salinity. In addition to understanding the environment, a salinity measurement is needed to estimate water density and to convert pressure to estimates of water depth. This outlines a low-cost sensor that combines an H-bridge and digital potentiometer to make an AC resistance measurement suitable for measuring salinity.

Published in:

IEEE SoutheastCon 2010 (SoutheastCon), Proceedings of the

Date of Conference:

18-21 March 2010