16
ba77237e02
12/2021
Conditioning, calibration, measurement
Na 800
Conditioning, calibration, measurement
General informa-
tion
When operating the electrode ensure that
the filling opening (1) for the electrolyte is open
no air bubbles are in the electrolyte
the depth of immersion is within the optimum range:
Before measuring
Minimum depth of im-
mersion
The junction (3) must be covered
Maximum depth of im-
mersion
Approx. 1 cm below the fluid level (2) of the
electrolyte
1
3
1
2
1 Filling opening
2 Filling level of the electrolyte
3 Junction
1
Condition the electrode in standard solution prior to using.
To achieve a good responding behavior, the concentration of the
standard solution should be similar to the concentration expected of
the test sample.
2
For calibrating and measuring, the plug of the refilling opening of the
electrode has to be open.
The membrane and junction have to be immersed in the test sample.
3
Remove any air bubbles in the electrolyte by slightly knocking
against the shaft.
4
Connect the electrode to the meter
(see operating manual of your meter).
5
Calibrate (see operating manual of your meter).
Summary of Contents for wtw Na 800
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