In this video, we are going to demonstrate the calibration of a pH meter using the millivolt (mV) method. The pH meter can be calibrated using either standard buffer solutions or the millivolt method. The output of a pH electrode is in millivolts, which the meter's indicators are programmed to convert into pH values.
0:38 7 ph = 0.00 mV
0:52 4 pH = 177 mV
1:06 0 pH = 414 mV
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