Calibration
30
Manual zero calibration
1.
Set the calibration mode to "MANUAL" on the Calibration Setting screen.
Change other settings as needed.
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 Zero Calibration].
The manual zero calibration mode is entered.
Fig. 27 Start of the manual zero calibration mode
3.
Use the measuring cylinder or measuring syringe (for solvent) to dispense 8 mL of
zero liquid for calibration through the sample inlet.
4.
Use the dropper to add one drop of hydrochloric acid through the sample inlet.
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 Zero 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. 28 Manual zero calibration - Instantaneous value measurement
7.
If needed, execute purging (extraction, cell filling, and drainage) referring to "Screen
operations in the manual measurement/calibration mode" (page 14).
8.
Execute extraction and fill the cell at any time referring to steps 3. to 6. and "Screen
operations in the manual measurement/calibration mode" (page 14).