Sensors and Low Power Signal Processing by Syed Kamrul Islam & Mohammad Rafiqul Haider

Author:Syed Kamrul Islam & Mohammad Rafiqul Haider
Language: eng
Format: epub
Publisher: Springer US, Boston, MA

5.2.1 Electrochemical Sensors

An Electrochemical sensor is basically a subclass of chemical sensors in which an electrode is used as the transduction element [1]. This type of sensor operates on the principle of electrochemistry and relates measured electrical quantities, such as current, voltages, etc., to target chemical parameters. The desirable characteristics of the electrochemical sensing systems are (1) high sensitivity and selectivity, (2) wide linear range, (3) low-power requirements, and (4) low-cost and miniaturized instrumentation.

The electrochemical sensors can be classified as follows [1, 2]: (a)Amperometric and voltammetric

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