9
Standardizing for
pH Measurement
Because electrodes vary in their response, you
must standardize (calibrate) your pH meter and
electrode to compensate for electrode variation.
The more frequently you standardize, the more
accurate your measurements. Standardize daily,
or more often, for accurate results.
This pH meter allows automatic standardization
using up to three buffers. Press the Standardize
button again to delete all the standardization data
stored up to that point. The pH meter performs
automatic temperature compensation.
1. Immerse electrode in a buffer solution. Stir gently.
Allow the electrode to reach a stable value.
2. Press the Mode button until your digital display
indicates pH mode. This button toggles between
pH and mV modes.
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