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For accurate measurement
For accurate measurement, refer to items below.
z
Stir the sample with stirrer in measurement (calibration).
z
Perform temperature compensation manually or
automatically.
(Refer to the instruction manual of pH meter.)
z
Temperature of standard solution and sample should be
the same.
z
Rinse the electrode with the sample before
measurement.
z
Immerse the responsive glass membrane and liquid
junction in the sample completely. Make sure that the
surface of the internal solution inside the electrode is
higher than the surface of the sample solution.
z
Perform calibration before measurement.
If measurement is performed everyday, perform
calibration once or more a day.
