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6. To enter a second buffer, place the electrode in
the second buffer solution, stir, allow time for the
electrode to stabilize, and press Standardize again.
The meter recognizes the buffer and displays the
first and second buffer values.
7. Next, the meter performs a diagnostic test of
the electrode. The display indicates either Good
Electrode (“OK”) or Electrode Error (“Error”).
The meter also displays the slope of the electrode.
8. Error indicates that your electrode or the buffer
is not working properly, or a wrong set of buffers
has been selected. The electrode response must be
between 90 and 105% slope. (See Troubleshooting,
on page 21.) Press Enter to clear the Error, then
try re-entering the buffer as described in step 6.
9. To set a third standard, place the electrode in the
third buffer solution, stir, allow to stabilize, and
press Standardize. The results will be the same
as in steps 6 and 7, except the display will show
three buffer values.
[Standardize]
[Standardize]
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