3.
4.
5.
6.
To terminate the programming of distance, press the
2nd
button and then the
DISTANCE
button.
In the case of the Schlumberger method, it is also necessary to program distance
A
. This is done in the same way as for distance
d
.
1.
Set the switch to
.
2.
Place the 4 earth electrodes on a straight line, at a distance
d
from one an
other and at a depth
p < 1/20 d
. Distance
d
must be between 2 and 30m.
3.
Connect the cables to the electrodes, then to terminals
H (Z)
,
S (Y)
,
ES (Xv)
,
and
E (X)
in sequence.
4.
Program the distance into the instrument as described in § 5.6.3.
each cable from the reel, to keep the cables as far apart as possible on the ground,
metallic conductors (cables, rails, fences, etc.).
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Summary of Contents for 6470-b
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