6
Fault inspection during C-measurement (conductive)
Fault symptom
Display constantly
indicates 0
Measured value is correct
at 25°C, but increasingly
incorrect at higher
temperatures
Measuring value
indication unstable
Measuring value
indication jumps by
several digits
Measuring value
indication too low i.e.
disappears
417101802_Anhang02_LF_konduktiv.doc
Conductivity Measuring Module (contact measurement)
Cause / fault
Connection lead measuring
cell - Multronic disconnected
Temperature compensation
wrong or has been selected
manually
If the measuring point is
connected with terminal box to
extend the probe cable
Air bubbles on the measuring
electrodes
Measuring electrodes soiled
- 49 -
Rectification
Inspect lead, replace if necessary
(with measurement cup)
Set correct Tkα (including for
reference measurement)
Select Tkα auto
See section 4.2, "Measuring
parameters", adjustment of
coefficient of temperature
Ensure continuity of cables.
Cable installation!
Make sure that the measuring
electrodes are completely
surrounded by liquid (inclining
pipe, syphon).
Clean measuring electrodes
Rev.: 05-07/10