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• To select the appropriate Electric Charge/Slope use
or and then press . If the Ion
electric charge is None, its slope can be manually set by
pressing
. A pop-up menu will be displayed on
the LCD, in which the slope value can be set using
or . Press to save the modified value or
press
to return to the Ion Constants menu.
Note: If an ISE calibration was performed and a different Ion
Selective Electrode is selected (standard or custom), a
warning message appears on the LCD informing the user to
perform a new calibration or to select the previous ISE in
order to perform accurate measurements.
Concentration Unit
Accessing this option, the user can select the desired concentration unit for the measured ion or chemical compound.
The available concentration units are: ppt (g/L), ppm (mg/L), ppb (µg/L), mg/mL, M (mol/L), mmol/L and %w/v.
To set the Concentration Unit:
• Press
while in
ISE Measure
mode.
• Press
.
• Use
or to select the Concentration Unit option.
• Press
and use or to highlight the
desired option.
• Press
to confirm your selection or press
to
cancel operation.
Sample ID – See pH Setup section, page 20.
Stability Criteria – See pH Setup section, page 20.
Log – See pH Setup section, page 20.
Note: The Logging Data Configuration option includes also the Ion Constants parameter. If you want it to appear
in the log reports, it must be enabled.
Alarm – See pH Setup section, page 20.
Note: The Alarm Limits (Low and High) are set in the selected concentration unit of the measured ion or chemical
compound and are displayed in a scientific format (value and value exponent).