Electromagnetic Positive and Negative Pulse Wave
V. Principles for Usage and Wiring Methods
After the initial ranging of the cable fault, you can find out the general
orientation to the point of fault according to the path of the cable. Only by
fixing-point above the cable fault is it possible to set the specific location of the fault.
As some of the cables are directly buried or embedded in the channel, while there is
no complete drawing to clearly determine the cable path. This is where you need
delicate instruments to measure the cable path. In underground pipes, multiple cables
are usually arranged in parallel, so you also need to find the fault cable from among
plurality of cables.
Audio sensing detection method of cable path:
1. Path Measuring Principles
Input audio signal current to the initial end of the cable under test by signal
