2. Safety
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 at the dismounted instrument can result in a risk to persons,
the environment and the 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.
2.4 Labelling, safety marking
Product label
Date of manufacture
Explanation of symbols
Before mounting and commissioning the instrument, ensure you read the
operating instructions!
WIKA operating instructions expansion thermometer, model 70
GB
Model
Switch points
7