7 Maintenance
K-375 / K-376 / K-377
Operation Manual, Version E
141
7.7 Maintenance work if required
7 7 1
Changing the buret tip
The buret tip consists of the shaft
4
with threaded clamping
2
and slip-on tip
5
. The buret tip is
inserted into the receiver vessel using the distance holder
3
.
a
b
c
d
e
1
Hose
2
Threaded clamping
3
Distance holder
4
Shaft
5
Slip-on tip
Fig. 7.2: Disassembling and assembling a buret tip
To assemble the buret tip, proceed as follows:
∙ Screw the shaft
4
to the hose
1
.
∙ Slip the distance holder
3
onto the shaft.
∙ Push the slip-on tip
5
onto the end of the shaft.
7 7 2
Cleaning the pH electrode
If the glass membrane or diaphragm are dirty, clean them to maintain the measuring function.
Depending on the degree of contamination, submerge only the glass membrane or the glass
membrane with the diaphragm into the cleaning solution.
Depending on the degree of contamination, the methods mentioned below are recommended.
After cleaning, rinse off the electrode with distilled water, condition it in electrolyte solution for 1 hour
or longer and recalibrate it prior to any further measurements.
Soiling
Treatment
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