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Which of the following transducers must be used for dissolved oxygen analyser?

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Which of the following transducers must be used for dissolved oxygen analyser?

(a) Potentiometric

(b) Polarographic

(c) Ion-selective electrode

(d) Optical transducer

I got this question by my school teacher while I was bunking the class.

My question is based upon Dissolved Oxygen Analyser topic in section Dissolved Component Analysers of Analytical Instrumentation

1 Answer

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Best answer
Right choice is (b) Polarographic

The explanation: Polarographic transducer must be used for dissolved oxygen analyser. Dissolved oxygen is the measure of ability of water to sustain aquatic life.

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