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pH meterA simple and speedy device to measure the acidity and alkalinity of a fluid. A pH meter acts as a volt meter that measures the electrical potential difference between a pH electrode and a reference electrode and displays the result in terms of the pH value of the solution in which they are immersed. The pH meter was invented in 1934 by the American [..]
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pH meterA pH meter is a device that measures the pH of a solution by measuring the voltage between two electrodes submerged in the solution.
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pH meterAn electrical device that measures pH (Lesson 14)
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pH metera device used to determine the pH of a solution by measuring the potential difference between the pH electrode and the reference electrode that are immersed in the solution
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