WIKA TG53, Operating Instructions Manual

Page: 17 / 92

EN
WIKA operating instructions models TG53, TG54
14203024.01 10/2018 EN/DE/FR/ES
17
WARNING!
Physical injuries and damage to property and the
environment caused by hazardous media
Upon contact with hazardous media (e.g. oxygen, acetylene,
flammable or toxic substances), harmful media (e.g. corrosive,
toxic, carcinogenic, radioactive), and also with refrigeration
plants and compressors, there is a danger of physical injuries
and damage to property and the environment.
Should a failure occur, aggressive media with extremely high
temperature and under high pressure or vacuum may be
present at the instrument.
▶
For these media, in addition to all standard regulations,
the appropriate existing codes or regulations must also be
followed.
For contact details see chapter 1 “General information” or the
back page of the operating instructions.
Faults Causes Measures
The pointer does
not move on rising
temperature
Break in the bimetal
possibly due to vibration
Remove the instrument and
replace
No readability as a
result of fogged/iced
window
Operate at temperatures
below the freezing point
Wait for the instrument
temperature and the room
temperature to equalise
No filling liquid in the case Replace with a thermometer
with filling liquid
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 up to -50 °C
Blisters in the
window (laminated
safety glass)
Ambient temperature
too high
Isolate against radiated
heat
6. Faults