107
Display
Action
Remark
At the end of the stabil-
ity check, the value will
be saved and the asym-
metry potential will be
displayed.
Calibration with the first
buffer is terminated.
Remove the sensor and
temp probe from the
first buffer solution and
rinse them thoroughly.
Use the arrow keys to
select:
• END (1-point cal)
• CAL2 (2-point cal)
• REPEAT
Press
enter
to proceed.
Note:
Stability check can
be stopped after
10 sec (by pressing
enter
). However, this
reduces calibration
accuracy. Display for
1-point cal:
Sensoface is active.
End by pressing
enter
2-point calibration:
Immerse sensor and
temperature probe
in the second buffer
solution.
Enter pH value.
Press
enter
to start.
The calibration
process runs as for
the first buffer.
Rinse sensor and tem-
perature probe and
reinstall them.
Press
enter
to proceed.
Display of slope and
new asymmetry
potential (based on
25 °C).
Use the arrow keys to
select:
• MEAS (exit)
• REPEAT
Press
enter
to proceed.
Exit: HOLD is deacti-
vated with delay.
When 2-point cal is
ended:
Manual Calibration with Buffer Entry
Summary of Contents for Stratos Pro A201 PH
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