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Idiomas disponibles
Idiomas disponibles
6. Faults / 7. Maintenance and cleaning
Faults
The pointer does
not move on rising
EN
temperature
Pointer has fallen off Too strong vibration or
Filled instrument
leaking in the region
of the filling plug
Blisters in the
window (laminated
safety glass)
Dial has become
coloured
Window cracked
7. Maintenance and cleaning
Personnel: Skilled personnel or service personnel
For contact details, see chapter 1 "General information" 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.
16
Causes
Break in the bimetal
possibly due to vibration
shock loading
Ambient temperature
lower than -40 °C
Ambient temperature
too high
Ambient temperature
too high
If necessary, secure
thermometer via the
case
WIKA operating instructions model TG58SA
Measures
Remove the instrument and
replace
Exchange the measuring
instrument with a thermometer
with filling
Exchange with an instrument
for ambient temperature down
to -50 °C
Isolate against radiant heat
Remove the instrument and
replace
Isolate against radiant heat
Remove the instrument and
replace
Exchange the instrument
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