Operating Instructions
PBT
18
© SICK AG • Germany • All rights reserved
8013153/V620/2012/03/12
3. Signs, symbols and abbreviations / 4. Function
GB
3. Signs, symbols and abbreviations
2-wire
Two connection lines are intended for the voltage supply.
The supply current is the measurement signal.
3-wire
Two connection lines are intended for the voltage supply.
One connection line is intended for the measurement signal.
4. Function
The pressure prevailing within the application is transformed into a standardised electrical signal
through the deflection of the diaphragm, which acts on the sensor element with the power supply
fed to the transmitter. This electric signal changes in proportion to the pressure and can be evalu-
ated correspondingly.
Potential danger of life or of
severe injuries.
Notice, important information,
malfunction.
The product complies with the
applicable European directives.
Potential danger of life or of
severe injuries due to catapul-
ting parts.
Potential danger of burns due
to hot surfaces.
V DC Direct voltage
Warning
Caution
Warning
cULus, Underwriters å Inc.®
The instrument was inspected in
accordance with the applicable
US standards and certified
by UL.
