Operation Multi 3430
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ba75865e08 06/2010
QSC calibration The QSC function is enabled by once carrying out an additional three-
point calibration with special QSC buffer solutions. It covers the mea-
suring range of the sensor from pH 2 to pH 11. The QSC initial calibra-
tion determines the actual condition of the sensor and stores it as a
reference in the sensor.
To meet the high requirements of a QSC initial calibration, the QSC ini-
tial calibration should optimally be carried out with the initial commis-
sioning of the sensor.
Carry out the normal calibrations for your special measuring range with
your usual standard solutions as previously done.
Note
As soon as the QSC function was enabled for an IDS sensor, it is not
possible to return to the sensor evaluation with the sensor symbol for
this sensor.
Carrying out a QSC
initial calibration
Note
Carry out the QSC initial calibration very carefully. It determines the ref-
erence value for the sensor. This reference value cannot be overwritten
or reset.
As soon as the QSC function was enabled, it is not possible to return to
the sensor evaluation with the sensor symbol.
1 Open the menu for measurement settings with <MENU/
ENTER>.
2In the QSC menu, select First calibration with <S><T>.
The calibration display appears. AutoCal QSC-Kit is displayed
as the buffer.
Exclusively use the QSC-Kit for the QSC calibration. If you use
other buffers, you will have no valid QSC calibration.
3 Calibration with the buffers of the QSC-Kit is done like a normal
three-point calibration.
Follow the user guide.
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