EN
14399932.01 06/2022 EN/DE/FR/ES
16
WIKA operating instructions model TG58SA
Faults
Causes
Measures
The pointer does
not move on rising
temperature
Break in the bimetal
possibly due to vibration
Remove the instrument and
replace
Pointer has fallen off
Too strong vibration or
shock loading
Exchange the measuring
instrument with a thermometer
with filling
Filled instrument
leaking in the region
of the filling plug
Ambient temperature
lower than -40 °C
Exchange with an instrument
for ambient temperature down
to -50 °C
Blisters in the
window (laminated
safety glass)
Ambient temperature
too high
Isolate against radiant heat
Remove the instrument and
replace
Dial has become
coloured
Ambient temperature
too high
Isolate against radiant heat
Remove the instrument and
replace
Window cracked
If necessary, secure
thermometer via the
case
Exchange the instrument
7. Maintenance and cleaning
Personnel:
Skilled personnel or service personnel
For contact details, see chapter
or the
back page of the operating instructions.
7.1 Maintenance
These bimetal thermometers are maintenance-free!
The indicator should be checked once or twice every year. To do this, the
instrument must be disconnected from the process and checked using a
temperature calibrator.
Repairs must only be carried out by the manufacturer.
6. Faults / 7. Maintenance and cleaning
Summary of Contents for TG58SA
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