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Which of the following is not the characteristic of null-detector type pH meter?

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in Analytical Instrumentation by (131k points)
Which of the following is not the characteristic of null-detector type pH meter?

(a) It can be battery operated

(b) It has less accuracy

(c) It is easy to maintain

(d) Its electronic circuits are simple

I have been asked this question in final exam.

This key question is from pH Meters in division pH Meters and Ion Analysers of Analytical Instrumentation

1 Answer

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Correct option is (b) It has less accuracy

Explanation: Null-detector type pH meter has greater accuracy than 0.01 pH. pH value is read from the calibrated precision voltage source dial.

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