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18
SERIES
Move to the location you want to measure depth. Stay at least 15 feet away from the
t
ransmItter
.
Move the
r
eceIver
left to right across the path until the cable is located.
1.
Mark the path on the ground as precisely as possible using the Null method.
2.
Place the
r
eceIver
on the ground with the LCD meter facing up. Position the unit so that the
Bubble Level on top of the meter is centered (45º).
3.
Pull the
r
eceIver
away from the cable path (at 90º to the cable path) keeping the Bubble Level
centered.
4.
When the receiver indicates a Null reading, mark the location of the receiver’s foot.
5.
The distance between the
r
eceIver
and the cable path is the depth of the pipe or cable. A false
depth reading may be caused by nearby buried metallic objects, such as a second cable, pipe,
sewer, fence or railroad track.
6.
Confirm the depth measurement by repeating the above steps on the opposite side of the pipe or
cable.
7.
A variance greater than 5 inches in depth measurement may indicate interference from adjacent
cables, pipes or other objects.
Buried cable or pipe
Earth
locate
Path
1st
Null
Null
centered
Bubble level
2nd
(end view)
Depth
Depth
45°
d
epth
m
easurement
45º a
ngle
m
ethod
