Using The Meter; One-Pole Application - Dawson DCT220 User Manual

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3. USING THE METER

3.1 One-pole Application

3.1.1 Open Circuit
Detecting interruptions in in-wall/buried lines.
Find/track lines, sockets, junction boxes, switches, etc.
in home installations.
Detecting breaks and obstructions in metal pipes
When using the meter in this manner, ensure
the grounding wire is connected properly
beforehand.
1. Open circuit testing is suitable for finding
sockets and switches in dead equipment.
2. Tracking depth depends on the material
the line is inside.Typically the meter is
capable of tracking lines at a depth <2m
(~6.5ft). The ground terminal of a socket/
outlet can be used and connected to the "-"
side of the transmitter.
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3.1.2 Track and find connected lines/sockets.
Must be a dead circuit
Neutral and ground lines must be correctly connected
and operational.
Connect the "+" end of the transmitter to the hot line and
the "-" end to the ground like in fig. 3-1-2.
1. Check to make sure ground is working properly.
2. For one-pole operation in this configuration,
adjacent circuits can be tracked (the fuse must be
removed first).
3.If the supply cable fed with the signals via the
transmitter is located ,e.g.directly in parallel to
other conductors(e.g.cable groove o duct),or if
these conductors are crossed ,the signals are also
input into the other conductors.
4. While tracking, the closer the receiver is to the line
being tracked, the stronger the signal will be
displayed.
5. Adjust the transmitter level to compensate for
differing detection depths.
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