Calibration
32
Manual span calibration
1.
Set the calibration mode to "MANUAL" on the Calibration Setting screen.
Change other settings as needed.
Note
The value set in [Span Point] in the calibration settings must be adjusted based on the extraction
ratio.
For example, when the extraction ratio is solvent:water = 1:2, set 1/2 the value of the actual
concentration of the span liquid for calibration in [Span Point] in the calibration settings.
Reference
"Calibration condition settings" (page 23)
"Calibration Setting screen" (page 80)
2.
Press the CAL button or up/down button with the Measurement Top screen
appearing until the process display shows [Manual Span Calibration].
The manual span calibration mode is entered.
Fig. 31 Start of the manual span calibration mode
3.
Use the measuring cylinder or measuring syringe (for solvent) to dispense 8 mL of
span liquid for calibration through the sample inlet.
4.
Use the dropper to add one drop of hydrochloric acid through the sample port.
5.
Use the measuring cylinder or measuring syringe (for sample) to dispense 16 mL of
clean water through the sample inlet.
6.
Press the ENT button.
The instantaneous value measurement screen appears.
The screen title shows [Manual Span Calibration] and the process display shows the
current status of the valves.
The operation guide display shows the stirring motor and valve operation buttons and
[ENT: Calib. ESC: Return].
Fig. 32 Manual span calibration - Instantaneous value measurement