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The dissolved oxygen analyser is based on which of the following meters?

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The dissolved oxygen analyser is based on which of the following meters?

(a) Amperometer

(b) Katharometer

(c) pH meter

(d) Voltmeter

This question was posed to me in an interview.

This intriguing question originated from Dissolved Oxygen Analyser in section Dissolved Component Analysers of Analytical Instrumentation

1 Answer

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Best answer
Correct choice is (b) Katharometer

Explanation: The dissolved oxygen analyser is based on katharometer. It works on the principle of thermal conductivity detector.

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