Amprobe AT-7000 - Manual (Page 24)

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3.3 Identifying De-Energized Breakers and Fuses
De-Energized breaker locating
BREAKERS
Connecting transmitter test leads
1. Use test leads with standard plug
connection for receptacles and black and
red test leads with alligator clips when
connecting to wires.
2. Plug test leads into Transmitter. Polarity
is not important.
3. Connect plug to outlet, or if using test
leads connect them to hot and neutral
wires.*
* The separate ground connection as shown
in De-Energized TIP SENSOR should be used
for superior results specifically if wires
need to be traced in addition to breaker
identification.
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
2. The red LED voltage status should indicator should be off, indicating that the circuit is
de-energized. If LED is on, disconnect power to the circuit.
3. Select HIGH signal mode for breaker tracing.
Receiver Process Overview
Tracing breakers is a two-step process:
1 SCAN - Scan each breaker for one second. The receiver will record tracing signal levels.
2 LOCATE - The receiver will indicate the single breaker with the strongest recorded signal.
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot
up time is around 30 seconds).
2. Select De-Energized BREAKERS mode by using the directional arrows to highlight this
operating mode and pressing the yellow “ENTER” button.
3. Step 1 - 1 SCAN
a) Select SCAN mode by using the directional arrows to highlight this operating mode
and pressing the yellow “ENTER” button.
b) Scan each breaker for a half second by touching it with the Tip Sensor. Make sure the
groove on the Tip Sensor is parallel to the breaker lengthwise
c) To assure sufficient time between the scans, wait for active green arrow and audible
alert (2-beeps) before moving to the next breaker.
d) Scan all breakers – the order of scanning does not matter. You can scan breakers
multiple times. The receiver is recording the highest detected signal.
3. main aPPLications - breaKers (de-energized)
Figure 3.3f
BREAKERS