EN
14073045.04 03/2019 EN/DE
WIKA operating instructions model TR25 (Ex i)
8
DANGER!
Danger of death caused by electric current
Upon contact with live parts, there is a direct danger of death.
■
The instrument may only be installed and mounted by skilled personnel.
■
Operation using a defective power supply unit (e.g. short circuit from the
mains voltage to the output voltage) can result in life-threatening voltages at
the instrument!
WARNING!
Residual media in the dismounted instrument can result in a risk to persons, the
environment and equipment.
Take sufficient precautionary measures.
Do not use this instrument in safety or emergency stop devices. Incorrect use of
the instrument can result in injury.
Should a failure occur, aggressive media with extremely high temperature and
under high pressure or vacuum may be present at the instrument.
DANGER!
Make sure that the thermowell is sufficiently earthed.
2. Safety