Seaward ARE 1557 - Manual (Page 15)

ERT1557
Operating Instructions
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5.4.4 Press and release the TEST key. The measured
resistance will appear on the LCD after a few
seconds. To save the result, refer to section 6.2.
5.5 RA 4 Pole
5.5.1 Rotate the rotary switch until the R
A
4pole test is
selected.
5.5.2 Connect the Es, E, H and S test leads to the test
spikes.
5.5.3 Insert the test spikes into the ground in the order
E, Es, S and H. Ensure the spikes are equi-
spaced.
5.5.4 Input the appropriate distance between the test
spikes into the ERT1557 by pressing the F3
(Distance) function key. Press F1 (
D) or F2 (Ñ)
function keys to either increment or decrement
the distance, in metres.
5.5.5 To perform the soil resistivity test press and
release the TEST function key.
5.5.6 The measured soil resistivity will appear on the
LCD after a few seconds. To save the result,
refer to section 6.2
ERT 1557
E ES S H
Potential
Electrode
Current
Electrode
Figure 5