cAL
CAL
Mode
On
Off
!
CAL
CLt
Zero
Test
METHOD
0.0.0
CAL
Zero
Test
METHOD
RESULT
CAL
Mode
Zero
Test
CAL
RESULT + x
On
Off
:
:
User calibration
Note:
user calibration (Display in calibration mode)
factory calibration (Display in calibration mode)
Press MODE key and hold.
Switch the unit on using the ON/OFF switch,
Release the MODE key after approx. 1 second.
Select the required menu points using the "!" key.
After confirming the selection with the MODE key the instrument will show CAL/CLt.
Scroll through methods using the MODE key.
Perform zero calibration (see "Operation").
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 which concentration is known
(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 shown value:
Otherwise, 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
Chlorine:
between 0.5 and 1.5 mg/l
pH:
between 7.6 and 8.0
Cyanuric acid:
between 30 and 60 mg/l