DEPOLOX
®
400 M
Operation
6.
105
4
Press the parameter “Offset.”
5
Use the keypad to enter the value from the comparative measure
-
ment.
6
Press "Enter" to save the entry.
This concludes the pH offset.
Please note
The offset calibration is deleted each time a new pH-7 alignment or span
alignment is performed with the pH buffer solution.
6.6.4
Fluoride calibration
Please note
During fluoride calibration, the calibration solution and the sample water
must have the same temperature. If there is a temperature difference of
> 5 °C, first bring the calibration solution to the same temperature as the
sample water.
Please note
The first time you use the fluorid sensor, place the fluorid sensor into a
100 mg/l calibration solution overnight and then into the sample water.
After one hour the fluorid sensor has stabilized and the first calibration
can be started.
System menu
Calibration
M
ENU
F
LUORIDE
MEA
-
SUREMENT
Proceed as follows:
1
Press the
symbol.
2
Press the menu
Calibration.
3
Tap the measured value “Fluoride.”
4
Tap “+” for calibration with calibration solutions, and the display for
the extended calibration menu opens. In the case of single-point cal
-
ibration, continue under “Offset compensation.”
Calibrate lower value
5
Tap the parameter “Calibrate lower value.”
6
Close the sample water inlet.
7
Place the beaker in the bottom clip and fill it with calibration solution
0.20 mg/l.
8
Remove the fluoride sensor from the cover of the cell body of the
flow cell module.
9
Dip the fluoride sensor at least 2 cm into the calibration solution
through the top clip and move it slightly until the indicated value
remains constant.
Содержание WALLACE & TIERNAN DEPOLOX 400 M
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