A four-terminal water-quality-monitoring conductivity sensor

IEEE Transactions on Instrumentation and Measurement

Volumn 57, Issue 3, 2008, Pages 577-583

  Ramos, Pedro M ^a   Pereira, J M Dias ^b   Ramos, Helena M Geirinas ^a   Ribeiro, A Lopez ^a  

^a INSTITUTO DE TELECOMUNICAÇÕES   (Portugal)

^b INSTITUTO POLITÉCNICO DE SETÚBAL   (Portugal)

Author keywords

Conductivity sensor; Measurement system; Signal processing

Indexed keywords

ELECTRODES; HYDRAULIC CONDUCTIVITY; SIGNAL PROCESSING; TEMPERATURE MEASUREMENT; WATER QUALITY;

CONDUCTIVITY SENSOR; FOUR-ELECTRODE SENSOR;

SENSORS;

EID: 40549101561     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2007.911703     Document Type: Article

References (21)

1. LCRA, Energy, Water and Community Services for Central Texas. Online. Available: http://www.lcra.org/water/indicators.html
2. Standard Test Methods for Electrical Conductivity and Resistivity of Water, Conshohocken, PA: ASTM. D1125.
3. A. J. Fougere, "New non-external field inductive conductivity sensor (NXIC) for long term deployments in biologically active regions," in Proc. OCEANS MTS/IEEE Conf. Exhib., Sep. 2000, vol. 1, pp. 623-630.
4. B. Karbeyaz and N. Gençer, "Electrical conductivity imaging via contactless measurements: An experimental study," IEEE Trans. Med. Imag., vol. 22, no. 5, pp. 627-635, May 2003.
5. P. Ripka, "Advances in fluxgate sensors," Sens. Actuators A, Phys. vol. 106, no. 1-3, pp. 8-14, Sep. 2003.
6. J. Webster, The Measurement, Instrumentation, and Sensors Handbook Boca Raton, FL: CRC, 1999.
7. Keithley, Four-Probe Resistivity and Hall Voltage Measurements With the Model 4200-SCS, 2002. App. Note 2475.
8. K. Striggow and R. Dankert, "The exact theory of inductive conductivity sensors for oceanographic applications," IEEE J. Ocean. Eng., vol. OE-10, no. 2, pp. 175-179, Apr. 1985.
9. A. Stogryn, "Equations for calculating the dielectric constant of saline water," IEEE Trans. Microw. Theory Tech., vol. MTT-19, no. 8, pp. 733-736, Aug. 1971.
10. TBI-Bailey Controls, "Process monitoring instruments," Product Specification - E67-23-1. Online. Available: http://www.abb.com/analytical-instruments
11. [Online]. Available: http://www.coleparmer.com
12. H. Ramos, L. Gurriana, O. Postolache, M. Pereira, and P. Girão, "Development and characterization of a conductivity cell for water quality monitoring," in Proc. 3rd IEEE Int. Conf. SSD, Sousse, Tunisia, Mar. 2005. [CD-ROM].
13. A. Kisza, "The capacitance of the electric double layer of electrodes in molten salts," J. Electroanal. Chem., vol. 534, no. 2, pp. 99-106, Oct. 2002.
14. J. Branstein and G. D. Robbins, "Electrolytic conductance measurements and capacitive balance," J. Chem. Educ., vol. 48, no. 1, pp. 52-59, 1981.
15. J. P. Bastos and N. Sadowski, Electromagnetic Model by Finite Element Methods. New York: Marcel Dekker, 2003.
16. Low Voltage Temperature Sensors TMP35/TMP36/TMP37, 2005. Analog Devices, rev. D. Online. Available: http://www.analog.com/UploadedFiles/ Data_sheets/TMP35-36_37.pdf
17. J. M. Torrents and R. Pallàs-Areny, "Compensation of impedance meters when using and external front-end amplifier," IEEE Trans. Instrum. Meas., vol. 51, no. 2, pp. 310-313, Apr. 2002.
18. P. M. Ramos, M. Fonseca da Silva, and A. Cruz Serra, "Low frequency impedance measurement using sine-fitting," Measurement, vol. 35, no. 1, pp. 89-96, Jan. 2004.
19. P. M. Ramos, M. Fonseca da Silva, and A. Cruz Serra, "Improving sine-fitting algorithms for amplitude and phase measurements," in Proc. XVII IMEKO World Congr., Dubrovnik, Croatia, Jun. 2003, pp. 614-619.
20. T. Radil, P. M. Ramos, and A. Cruz Serra, "DSP based portable impedance measurement instrument using sine-fitting algorithms," in Proc. IMTC Ottawa, ON, Canada, May 2005, vol. 2, pp. 1018-1022.
21. H. G. Ramos, F. Assunção, A. Ribeiro, and P. M. Ramos, "A low-cost temperature controlled system to test and characterize sensors," in Proc. IEEE Africon, Gaborone, Botswana, Sep. 2004, vol. 1, pp. 457-460.