DEPOLOX
®
400 M
Operation
6.
103
7
Wait until the displayed value no longer changes.
8
Press the “Calibration” button. An input field opens.
9
Press "Enter" to save the zero point.
10
Open the ball valve on the sample water inlet.
Measuring value calibra
-
tion (DPD)
11
After zero point calibration, wait at least 2 minutes.
12
Open the flow cell drain valve by approximately 1 turn and extract a
specimen of the sample water.
13
Determine the disinfectant content in the sample using a photometer.
14
Press the parameter “DPD.”
15
Press the “Calibration” button. An input field opens.
16
Use the input keys to enter the determined value.
17
Press "Enter" to save the entry.
This concludes the calibration for DPD.
6.6.3
pH calibration
Please note
During pH calibration with pH buffer solution, the buffer solution and the
sample water must have the same temperature. If there is a temperature
difference of > 5 °C, first bring the buffer solution to the same temperature
as the sample water. Also observe the calibration values of the buffer
solution at different temperatures.
System menu
Calibration
M
ENU
P
H
MEASUREMENT
Proceed as follows:
1
Press the
symbol.
2
Press the menu
Calibration.
3
Tap the measurement “pH.”
4
Tap “+” for calibration with pH buffer solution, and the display for the
extended calibration menu opens. Otherwise, continue under “Offset
alignment.”
pH7 alignment
5
Press the parameter “pH 7.”
6
Close the sample water inlet and sample water outlet and briefly
open the flow cell drain valve to release the pressure. Close the flow
cell drain valve again.
7
Place the beaker in the bottom clip and fill with buffer solution "pH
7.00" or clamp the bag with buffer solution "pH 7.00" in the bottom
clip.
8
Unscrew and remove the pH sensor from the cover of the cell body
of the flow cell module.
Содержание WALLACE & TIERNAN DEPOLOX 400 M
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