A smart conductivity sensor with temperature and water tide level compensation capabilities

Author

Pereira, Miguel D. ; Postolache, Octavian ; Girão, Pedro Silva

Author_Institution

ESTSetubal-LabIM, IPS, Lisbon, Portugal

fYear

2011

fDate

Nov. 28 2011-Dec. 1 2011

Firstpage

223

Lastpage

228

Abstract

This paper presents a smart conductivity sensor with capabilities to compensate measurement errors caused by temperature variations and, particularly, to compensate measurement errors caused by water tide levels variations in estuarine zones. A low-cost smart conductivity sensor (SCS) is presented and a mathematical model to compensate measurement errors is proposed. The last part of the paper includes several experimental results that are used to validate theoretical expectations, namely, to confirm the dependence of the conductivity measurements on water tide level and to evaluate the performance of the compensation algorithm that is proposed.

Keywords

compensation; electrical conductivity measurement; intelligent sensors; measurement errors; measurement error; smart conductivity sensor; temperature compensation; water tide level compensation; Conductivity; Conductivity measurement; Pollution measurement; Temperature dependence; Temperature distribution; Temperature measurement; Temperature sensors; conductivity measurement; error compensation; smart sensing; water quality assessment;

fLanguage

English

Publisher

ieee

Conference_Titel

Sensing Technology (ICST), 2011 Fifth International Conference on

Conference_Location

Palmerston North

ISSN

2156-8065

Print_ISBN

978-1-4577-0168-9

Type

conf

DOI

10.1109/ICSensT.2011.6136970

Filename

6136970