17
WARNING!
Physical injuries and damage to property and the
environment caused by hazardous media
Upon contact with hazardous media (e.g. oxygen, acetylene,
ammable 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
Gas loss due to any
vibrations
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 lling liquid in the
case
Replace with a thermometer
with lling liquid
Pointerhasfalleno Too strong vibration or
shock loading
Exchange the measuring
instrument with a
thermometer with lling
Filled instrument
leaking in the region
ofthellingplug
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 radiated heat
6. Faults
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