www.ssilocators.com
09
SERIES
This method is convenient to use, and services are not interrupted. No test cords or connections are
needed. The cable or pipe must have good insulation or non-conductive coating, or the operating
range will be short.
Turn the
t
ransmItter
on
. This method of signal application only works on frequencies from 33kHz
through 478 kHz. Place
t
ransmItter
on
iTs
side
as close as possible to the path of the cable or pipe.
Align the
arrows
on the side of the
transmItter
in line with the cable or pipe. First, locate the broad
T
ransmiTTer
Null, then move toward the expected cable path while looking for the signal carried by
the cable.
Start tracing the path with the
r
eceiver
25 feet from the
t
ransmItter
. Search in the 90º zone as
shown above. Locate the cable or pipe, and follow the path. If the signal becomes weak, move the
t
ransmItter
to a point 25 feet behind the last strong signal, and continue searching.
The Blind Search locating techniques is used if the operator is not aware if a buried utility exists. Two
people are needed for this technique. The
t
ransmItter
and the
r
eceIver
are Held 25 feet away from
each other. Each operator walks at the same speed keeping a distance of 25 feet from each other.
When the receiver gives an audio response, then a buried utility is present between the
r
eceIver
and
the
t
ransmItter
.
TRANSMITTER
25 Feet (7.5 Meters) Between Transmitter and Reciever
RECEIVER
SERIES
kM
v
mA
DFF
kHz
F.1
F.2
SERIES
kM
v
mA
DFF
kHz
F.1
F.2
i
nduCtive
C
onneCtion
b
lind
s
earCh
