Evoqua WALLACE & TIERNAN DEPOLOX 400 M, Руководство по эксплуатации, Страница: 104 / 152

104
WT.050.700.000.DE.IM.0319
Operation
DEPOLOX
®
400 M
6.
9 Dip the pH sensor through the top clip at least 2 cm deep into the
buffer solution and move slightly until the indicated pH value remains
constant.
10 Press the “Calibration” button. An input field opens.
11 Use the input field to enter the value to be calibrated for the buffer
solution.
12 Press "Enter" to save the entry.
pH X-span alignment 13 Remove the buffer solution “pH 7.00” from the bottom clip.
14 Wash the pH sensor in distilled water to prevent carryover of buffer
solution.
15 Press the parameter “pH X.”
16 Place the beaker in the bottom clip and fill it with buffer solution "pH
4.65" or clamp a bag with buffer solution "pH 4.65" in the bottom clip.
Please note
If buffer solutions other than those stated are used, the pH value of the
buffer solution must be lower than pH 6 or higher than pH 8.
17 Dip the pH sensor at least 2 cm deep into the buffer solution and
move gently until the indicated pH value remains constant.
18 Press the “Calibration” button. An input field opens.
19 Use the keypad to enter the value to be calibrated.
20 Press "Enter" to save the entry.
21 Remove the pH sensor from the top clip.
22 Screw the pH sensor into the cover of the cell body of the flow cell
module.
23 Open the sample water inlet and outlet again.
The pH measurement has now been calibrated.
Offset alignment If there is a difference between the displayed pH value and a pH value
measured manually, this difference can be compensated for and the
comparative value entered in the Offset menu.
System menu
Calibration
Menu pH measurement
O
FFSET
Proceed as follows:
1 Press the symbol.
2 Press the menu Calibration.
3 Tap the measurement “pH.”