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11
u
S-E
:
voltage measured between terminals S and E.
u
S-ES
:
voltage measured between terminals S and ES.
uSr
:
frequency chosen by the user (“user” shortened).
ρ
S
:
soil resistivity measured by the Schlumberger method.
ρ
W
:
soil resistivity measured by the Wenner method.
(1): The suffix
Act
becomes
In
(for “Input”) when this value is recorded in the device, then read, in order
to distinguish between present value and recorded value. In both cases, the quantity displayed is
associated with its frequency.
(2): In this case, the resistances of the 4 electrodes used for the measurement are indicated by R
P-H
,
R
P-S
, R
P-ES
, R
P-E
.