28
Measuring Earth Resistance Precisely
(Precise Measurement, 3-Pole Measurement Method)
15 3
Red
Yellow
Black
10 m 10 m
Auxiliary
earthing
electrode
H(C)
Auxiliary
earthing
electrode
S(P)
Earthing
electrode
E
2
1
Connect the earthing electrode and
the terminal E with each other using
the measurement cable (black).
2
Carry two winders along to the
measuring location while pulling out
the measurement cables.
3
At the location where the
measurement cable (yellow)
has been fully pulled out, insert
the auxiliary earthing rod into
the ground and connect the
measurement cable (yellow).
4
Carry the winder (measurement
cable: red) along the straight line
through the earthing electrode E
and auxiliary earthing electrode S(P)
while pulling out the measurement
cable.
5
At the location where the
measurement cable (red) has been
fully pulled out, insert the auxiliary
earthing rod into the ground and
connect the measurement cable
(red).
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