Calibration Mode
GB
cAL
CAL
CAL
CLt
Zero
Test
METHOD
0.0.0
CAL
Zero
Test
METHOD
RESULT
CAL
Mode
Zero
Test
CAL
RESULT + x
On
Off
:
:
Chlorine:
pH-value:
30
User calibration
4
Note:
user calibration (Display in calibration mode)
factory calibration (Display in calibration mode)
After confirming the selection with the [MODE] key the instrument will
show CAL/CLt .
Scroll through methods using the [MODE] key .
Fill a clean vial with the standard up to the 10 ml mark, screw the cap
on and place the vial in the sample chamber making sure that the
marks are aligned .
Press the [ZERO/TEST] key .
The method symbol flashes for approx . 8 seconds .
The display shows the following in alternating mode:
Perform calibration with a standard of known concentration (see
"Operation") .
Press the [ZERO/TEST] key .
The method symbol flashes for approx . 3 seconds .
The result is shown in the display, alternating with CAL .
If the reading corresponds with the value of the calibration standard
(within the specified tolerance), exit calibration mode by pressing the
[ON/OFF] key .
Changing the displayed value:
Pressing the [MODE] key once increases the displayed value by 1 digit .
Pressing the [ZERO/TEST] key once decreases the displayed value by
1 digit .
Press the corresponding key until the reading equals the value of the
calibration standard .
By pressing the [ON/OFF] key, the new correction factor is calculated
and stored in the user calibration software .
Confirmation of calibration (3 seconds) .
Recommended calibration values
between 0 .5 and 1 .5 mg/l
between 7 .6 and 8 .0
MiniDirect_ClpH_1 09/2008