Hach-Lange POCKET Colorimeter II Application Instruction - Manual (Page 22)

System start up
22
•
LCK 325: 0.5-10.0 mg/l Formaldehyde
Each programming procedure has only to be followed once prior to the first test
evaluation.
For detailed information please read the POCKET COLORIMETER II instruction
manual.
3.2.2 Data table
3.2.2.1 Evaluation as Formaldehyde
3.3 Programming procedure
Note: Each programming procedure has only to be followed once prior to the first test
evaluation.
Note: After programming the calibration data, it could be helpful to mark the channel(s) 1
and/or 2 accordingly with a label.
3.3.1 LCK 325 Formaldehyde H
2
CO
1. Press POWER to switch on the instrument.
2. Press MENU. "SEL" is displayed. A flashing arrow indicates the current channel
(1 or 2).
3. Select channel 1 for LCK 325 (0.5-10.0 mg/l H
2
CO).
Note: Press GREEN key to toggle between channels.
4. Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
5. Press BLUE key until "Edit" is displayed. Press GREEN key. " RES" is
displayed.
6. Press GREEN key. "-.---" is displayed.
7. Press BLUE key until "--.--" is displayed. Press GREEN key. "S0" is displayed.
8. Press GREEN key until "A0" is displayed.
9. Press GREEN key until "S1" is displayed.
Table 1 Evaluation as Formaldehyde
LCK 325
RES (resolution)
--.--
S0 (standard 0)
00.50
A0 (absorbance 0)
0.046
S1 (standard 1)
10.00
A1 (absorbance 1)
0.993