Hach POCKET COLORIMETER II Programmieranleitung Seite 28

System start up
10. Press GREEN key. Enter "150.0" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A1" is
displayed.
Note: If the pre-decimal place of a negative number is zero it will not be displayed. For
example: "-.593".
11. Press GREEN key. Enter "-.593" by using BLUE key to change value (and/or
the sign) and GREEN key to move to the next space. Press GREEN key until
"Add" is displayed.
12. Press MENU until "Edit" is displayed. Press GREEN key until „S0" is displayed.
13. Press GREEN key. Enter "015.0" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A0" is
displayed.
Note: If the pre-decimal place of a negative number is zero it will not be displayed. For
example: "-.062".
14. Press GREEN key. Enter "-.062" by using BLUE key to change value (and/or
the sign) and GREEN key to move to the next space. Press GREEN key until
„S1" is displayed.
15. Press MENU until "Edit" is displayed to check the entered data. Press GREEN
key. „RES" is displayed.
16. Press BLUE key to scroll through the entries. Compare the entries with the data
shown in the table below.
17. After comparing the entries press MENU two times to enter the measuring
mode. See 4.3 Evaluate LANGE COD Cuvette Tests on page
Note: In case of any mistake retrieve the factory calibration first. See
calibration on page
again. If the instrument is shut-off or loses power during data entry, all edits will be lost.
Automatic shut-off is 60 minutes.
3.3.2.2 LCK 614 COD
1. Press POWER to switch on the instrument.
2. Press MENU. "SEL" is displayed. A flashing arrow indicates the current
measuring range (1 or 2).
3. Select measuring range 1 or 2 for LCK 614 (50-300 mg/l COD).
GREEN
Note: Press
4. Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
26
Table 5 Calibration data of LCK 314 COD
RES
S0
A0
S1
A1
28. After retrieving the factory calibration, start the programming procedure
key to toggle between measuring ranges.
---.-
15.0
-.062
150.0
-.593
29.
3.5.1 Retrieve the factory