Fault Inspection During C-Measurement (Electrodeless) - ECOLAB MULTRONIC Bedienungsanleitung

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Fault inspection during C-measurement (electrodeless)

Fault symptom
Display constantly indi-
cates 0
Measured value is correct
at 25°C, but increasingly
incorrect at higher tem-
peratures
Measuring value indica-
tion unstable
Measuring value indica-
tion jumps by several dig-
its
Measuring value indica-
tion too low
417101800_Anhang01_LF_induktiv.doc
Conductivity Measuring Module (electrodeless)
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 extent the
probe cable
Air bubbles in measuring channel
Measuring channel soiled
- 57 -
Rectification
Inspect lead, replace if necessary
(with measurement cup)
Set correct Tkα (including for refer-
ence measurement)
Select Tkα auto
See section 4.2, "Measuring parame-
ters", adjustment of coefficient of tem-
perature
Make sure that the shields are con-
tinuous
Make sure that the measurement cup
it totally surrounded by liquid (ascend-
ing pipe, syphon). Turn measuring
channel in flow direction.
Clean measuring channel
Rev. 06-07/10