GEOHM 5
Instrument description
20
Step 2
Set function switch to
EARTH
position, the following menu will be displayed:
m
Figure 14. Earth Resistivity initial menu
Step 3
Set the distance “
a
” between the test rods. The distance must be the same as the
one used in the practical measurement, otherwise the test result will not be
correct.
Enter “Distance Value adjustment mode”, the following menu will be
displayed:
m
Figure 15. Distance value adjustment menu
Set appropriate Distance “
a
”. Single press, will increase/decrease the
value for one step, while continuous pressure will increase /
decrease it continuously.
Return to “Earth Resistivity initial menu”.
Step 4
View the test result. (If you want to perform more than one
measurement press the
START
key and keep it pressed until the
result has stabilized, then release the key. The last result will stay
displayed.)
Check resistances of current (
Rc)
and potential (
Rp
) test probe. After
a short period the main results will automatically be displayed again.
Last set distance »a« is flashing.
Available
distances
Step
(m / ft)
(m)
(ft)
1
30
1
90
1