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Description
The Armada Technologies Pro700 wire and valve locator is
designed to find lost valves and broken or severely damaged
wires, and trace their paths. The complete Pro700 kit consists of;
(1) Pro700R Receiving Wand
(1) Pro700T Transmitter and Carrying Case
(1) ProH3 Stereo Headset
(1) Pro-GS1 Ground Stake
(1) Set of Black/Red Connecting Leads
(1) Operating Manual
Please be sure that all items are included before operating the
Pro700.
Theory of Locating
C
able Locators consist of a transmitter and a receiver or wand.
In operation, a transmitter places a specific frequency signal onto
the metallic conductor you are trying to trace. This placing of an
AC signal onto a cable produces an electrical current and an
electromagnetic field around that cable. If the wand is close
enough, this signal is received and amplified by the wand.
It is very important to understand that the circuit you are creating
follows the laws of physics and electricity. A cable locator
transmitter creates an electrical current (AC) that travels down the
cable, through grounding to the earth, and then back to the
transmitter through the ground stake. The tracing signal will
always travel on the path of least resistance. If there is too much
resistance or no circuit path, no current will flow and no locate will
be possible. So keep in mind that when a signal is heard, it is
because the signal has a complete path that is creating an
electrically friendly way for the signal to travel back to the
transmitter. The signal doesn't just randomly wander through the
dirt. It follows a path provided for it, whether it is a pipe, wire, and
reinforcing bar. Etc.
It is also important to note that in the tracing circuits, a return path
needs to be present. Basically, the return path completes the
circuit. In most cases, this will be the earth ground as the signal
transmits down the cable and returns to the ground stake.
However, any return is possible, so a common wire could work.
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