Flux-Gate
Gradiometer:
This
is
a
hand held unit specially designed to locate
“Pathfinder” MagneticPigs. The
instrument consists of a flux-gate
sensor tube, which is attached to
the
Electronics Head,
which includes re-chargeable battery
pack, video and audio alarm
facility.
The
system
is designed to detect distortions, either
greater than or less
than, in
the Earth’s normal magnetic field . By
this technology, a pipe inserted
in the
earth’s field will cause a displacement of
the field. Therefore, a
magnetic pig
that causes magnetic saturation, is easily
detected to a depth of 15
meters.
This instrument may be used to locate
pipelines, electric cables or
monitor the
pig’s passage at remote stations. It comes
complete with a carrying
case and
additional battery pack.
