Amprobe AT-1000, User Manual, Page: 9 / 17

8
(see fig. 4). When using the C2902, always connect to ground first and disconnect from
ground last.
Switch the R1000 Receiver “on” by sliding the Sensitivity Range Switch” to position 3 and set
2.
the R1000 Mode Switch to “CURRenT Mode”.
Verify that the x1000 Transmitter is generating a current signal by placing the R1000 tip
3.
against one of the cord set leads.
go to the panel and move the Receiver up and down, and in front of, each circuit breaker to
4.
determine which one has the strongest signal. Remember to keep the receiver perpendicular
to the breakers. Reduce the R1000 sensitivity with the “Sensitivity Range Switch” if the signal
strength goes above 4 led’s. leave it in this position until you come across another breaker
with a stronger signal. The strongest signal will determine the proper breaker.
if two or more breakers produce the same signal strength indication, reduce the sensitivity or
5.
pull back the R1000 slightly from the breakers until detecting the right one.
TRACINg ENERgIzEd WIRES
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Warning
make sure the line voltage does not exceed the range of the X1000 Transmitter: 300VAC/dC
max.
The x1000 Transmitter produces opposing signals on each output terminal. When the conductors
that are connected to these terminals come within close proximity of each other, the signal
strength is attenuated (see fig. 5).
This can make tracing conductors more difficult, if not impossible. in most cases you can solve
this problem by using the C2902 cord set and connecting one output terminal to a different
signal return path. Use something other than the return (neutral) running adjacent to the
conductor you are trying to trace, like a water pipe or a ground rod. The Ad-1 adapter enables
access to the hot conductor in 120VAC receptacles (see fig. 6).
Connect the x1000 Transmitter as in fig. 6 and turn the unit “on”. 1.
Set the R1000 Mode Switch to the “CURRenT “ Mode. 2.
Switch the R1000 Receiver “on” by sliding the “Sensitivity Range Switch” set to position 5. 3.
Verify that the x1000 Transmitter is generating a current signal by placing the tip against one 4.
of the cord set leads.
Move the R1000 Receiver along the conductor path, perpendicular to the conductor, and
5.
adjust the “Sensitivity Range” as needed to maintain approximately 3-4 led’s of signal
strength.
proceed to trace the wire by moving the R1000 left to right over the path of the wire so that
6.
you can see the rise and fall of the signal level (see fig. 7). The strongest signal confirms the
path of the wire. if the signal drops off, the wire may have taken a turn in another direction.
before attempting to adjust the sensitivity, back track and try tracing from another angle, if
possible. if the signal becomes too strong, adjust the sensitivity as necessary.