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pH indicator, pH paper, and a pH meter. You can find them on this page http://onsager.bd.psu.edu/halmi/chem3pHS05.pdf
pH paperselectronic pH meter
With either pH paper or a digital pH meter.
[http://www.answers.com/topic/ph-meter-1Click here for the answer from Answers.com]See the Related Questions for more information about pH and what it measures.
using pH meter
wash the pH probe with distilled water and then dry it clean with tissue paper before and after testing the pH.
A pH meter measures the pH of a solution utilizing a glass electrode and a voltmeter.
The pH is determined with a pH-meter.
A pH meter shows how acidic or basic a substance is
Combine electrod used in ph meter
A pH meter determines acidity or alkalinity of a substance.
The pH is determined with a pH-meter.
You need a pH-paper or a pH-meter.
We can use a pH paper.
pH indicator, pH paper, and a pH meter. You can find them on this page http://onsager.bd.psu.edu/halmi/chem3pHS05.pdf
Using a calibrated pH-meter with correction for temperature and slope.
Using a pH-meter the measurement is more accurate and sure.