Evoqua WALLACE & TIERNAN DEPOLOX 400 M, Operating Manual, Page: 86 / 152

86
WT.050.700.000.DE.IM.0319
Operation
DEPOLOX
®
400 M
6.
Calibration selection The following calibration selections are available, depending on the
selected measurement:
Example “Chlorine calibration”
Home screen
Symbol “System menu” or
menu field Measurement
Symbol “Calibration”
C
HLORINE FREE CALIBRA -
TION
To perform the desired calibrations, proceed as follows:
1 Tap the menu Calibration in the System menu or the symbol
in the menu Measurement. The menu “Calibration” opens.
2 To display extended calibration options, tap the “+” symbol. A zero
point calibration is also possible in this view. To return to the stan
-
dard calibration menu, tap the “-” symbol.
3 Press the desired calibration selection. A further screen opens with
information describing the calibration process.
“Calibration” button
I
NPUT FIELD
4 Press the “Calibrate” button to open the input menu.
5 Enter the desired values in the input field and save with the Enter
key.
6 Make any further entries (e.g. DPD).
Chlorine
Zero point Calibration of the zero point current of the chlorine measuring cell (only
with extended calibration view)
DPD DPD calibration of the chlorine measurement cell
pH
pH7 pH7 calibration with buffer solution (only with extended calibration view)
pHX Span calibration of the pH sensor with buffer solution (only with extended
calibration view)
Offset Offset calibration of the pH sensor
Fluoride
Calibre lower value Calibration of lower value for entry in accordance with calibration solution
Calibre upper value Calibration of upper value for entry in accordance with calibration solution
Offset Offset calibration of the fluoride sensor
Temperature
Cal. value Temperature calibration for entry in accordance with comparative mea
-
surement