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Figure 10
（
5
）
Earth resistance measurement
Press TEST Key after connecting the Test Leads.
The Main Screen displays
“- - - -” message.
The measured earth resistances RE value and related information are displayed on the Main Screen when the
measurement is finished.
Press
Key to read RH
,
RS, UST
and
RK values.
（
6
）
Press
Key to save measurement results (see section six “saving and reading of the measurement
results”)
Notes
The readings may not correct when the auxiliary earth resistance is too high. Stick the Auxiliary Earth Spikes
S and H in the moist part of the soil. Ensure that all parts are well connected.
Give enough water where the spikes have to be stuck into the dry, stony or sandy part of the earth so that it
may become moist.
