WIKA P-31 - Manual (Page 5)

5 WIKA operating instructions precision pressure transmitter model P-3x
11473500.04 10/2011 GB/D/F/E
GB
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in serious injury or death, if not
avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or damage to
equipment or the environment, if not avoided.
Information
… points out useful tips, recommendations and information for efficient and trouble-free
operation.
CAUTION!
... indicates a potentially dangerous situation that can result in burns, caused by hot
surfaces or liquids, if not avoided.
Abbreviations
2-wire Two of the connection lines are used for the voltage supply.
The measurement signal also provides the supply current.
3-wire Two of the connection lines are used for the voltage supply.
One connection line is used for the measurement signal.
U
+
Positive power terminal
U- Negative power terminal
S
+
Positive measurement terminal
1. General information