WIKA TC84 Mode D'emploi page 15

6. Faults
Faults
Display of measured
value jumps
Corrosion
Signal interference
WIKA operating instructions model TC84
Causes
Cable break in connection cable
or loose contact caused by
mechanical overload
Composition of the medium
not as expected or modified or
unsuitable material selected
Stray currents caused by electric
fields or earth circuits
Earth circuits
Measures
Replace the connection cable e.g.
with bend protection or thicker
conductor cross-section
Analyse medium and then select a
more-suitable material or check the
protection tube regularly
Use shielded connection leads, and
increase the distance from motors
and power cables
Eliminate potential differences by
using galvanically isolated barriers
or transmitters
EN
15