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TITLE: uDL2 Configuration and Operation Guide
DOCUMENT NO.:
UDL2-MAN-001
Dual Potential Mode
The black wire is connected to the common reference point, which in many cases is a reference cell. The red wire is
connected to the first potential measurement point, which may be a pipe or a structure. The blue wire is connected to
the second potential measurement point, which again may be a pipe or a structure. Figure 29 shows a typical attachment
at a test station.
V1 V2
Ref
Black
Potential 2
Blue
Potential 1
Red
uDL2 (Dual Potential Mode)
Figure 29 Dual Potential Analog Cable Attachment to a Test Station