Xylem wtw CN 800 DIN, Operating Manual

Page: 21 / 46

CN 800 Storage
ba15356d04 12/2021
21
CALIBRATION
,
MEASUREMENT
).

Clean the inside of the combination electrode. To do so, open the
combination electrode as follows:
Opening the
combination
electrode
NOTE
Never pull the connection cable of the electrode.
The cable might be damaged.
Storage
Between two
measurements
Condition the electrode in standard solution.
Overnight Rinse the combination electrode with deionized water and dry it. Then put on
the storage vessel and store the electrode upright.
Longer than
overnight
Remove the bridge electrolyte, then rinse the combination electrode with
deionized water and dab it dry with a clean paper towel. Store the combi-
nation electrode in the storage vessel in a dry place. For the following
measurement, prepare the combination electrode as described in section
C
OMMISSIONING
.
Recommended accessories
1 Unscrew the knurled nut from the connection head.
2 Position the connection cable upward in a straight line with the con-
nection head.
3 Unscrew the connection head.
4 Push the connection head and pressure spring over the connection
cable.
5 Push the inner body out of the shaft.
Store the reference electrode according to the instructions in its
operating manual.
Description Model Order no.
Bridge electrolyte ELY/BR/503 106 575
ISA sample conditioning solution for CN
-
mea-
surement
MZ/NH3/CN 150130
Polishing strips (24 pieces) S/FK 180130