Amprobe AT-4000 Series Advanced-Wire-Tracer - Manual (Page 6)

5
Having confidence in an instrument is an important part of using
the instrument. All applications are different and unique. An
understanding of the system’s operation could mean the difference
between several minutes or several hours on the job.
Please read this manual carefully. Take the time to learn how the
instrument operates. The operation is user friendly and easy to learn.
Test it in a variety of situations. You will soon have the confidence
to use it on a daily basis to solve problems that were previously
unsolvable.
AT-4000CoN PRodUCT dESCRIPTIoN
The AT-4000CON consists of two units:
T-4000 Transmitter (32.768KHZ, 9-600 volts AC or DC)
R-4000CON Receiver(Non-position sensitive, Open / Short Tracing)
Unit description
R-4000CoN Receiver
It has two built in detectors that are tuned to pick up the 32.768Khz
signals generated by the T-4000 transmitter. The R-4000CON is
designed to display the signal strength to enable quick locating of the
conductor carrying the signal.
T-4000 Transmitter
When connected to an energized circuit, the T-4000 will filter the low
frequencies up to 400Hz and rapidly indicate on the display that the
wire is energized. When the user starts the transmission, a combination
of signals is injected on top of the 50, 60, or 400Hz that cause a slight,
periodic current fluctuation and allows the power line to emit its
own, traceable signal. This signal can be detected back to the main
generator. However, the signal will not interfere with any sensitive
electronic equipment and does not require power interruption. The
unit is intrinsically safe and has a ‘LOW’ signal transmission setting that
must be used when tracing GFCI-protected circuits.
When connecting to a circuit as a load, the signal will be present