Knick Stratos Pro A401B PH, User Manual

Page: 125 / 196

125
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 calibration:
Sensoface is active.
Exit by pressing
enter
2-point calibration:
Immerse sensor and
temperature probe
in the second buffer
solution.
Press enter to start.
The calibration
process runs as for
the first buffer.
Retract sensor and
temp probe out of
second buffer, rinse off,
re-install.
Press enter to proceed.
The slope and asym-
metry potential of
the sensor (based on
25 °C) are displayed.
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:
Automatic Calibration (Calimatic)