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Earth/Ground Tester
Advanced Operation
21
3-Pole/4-Pole Measurement of Earthing Resistance
This measuring function measures earthing and earth dissipation resistances of single
earth electrodes, foundation earth electrodes and other earthing systems by using two
earth spikes. See Figure 4.
4 Pole
Auxiliary
earth
electrode
Probe
Earth
electrode
>20 m >20 m
edw012.eps
Figure 4. 3-Pole/4-Pole Measurement of Earthing Resistance - Process
1. Turn central rotary switch to position "R
E
3pole" or "R
E
4pole"
The instrument is to be wired according to picture and notices given on the display.
A flashing of the sockets symbols or , points to an incorrect or
incomplete connection of the measuring lead.
2. Press "START TEST" button.
Now a fully automated test sequence of all relevant parameters like auxiliary earth
electrode and probe and earth electrode resistance is implemented and finished with
the display of the result R
E
.
3. Read out measured value R
E
.
4. Call R
S
and R
H
with "DISPLAY MENU".
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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