Last Updated
：2025/11/21
pH meter
（ plural ）
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(chemistry) A voltmeter that uses the potential at a glass electrode to determine the pH of the solution in which it is immersed
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pH meter
The lab technician carefully calibrated the pH meter before measuring the acidity of the wastewater sample.
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The lab technician carefully calibrated the pH meter before measuring the acidity of the wastewater sample.
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