FLUKE 1625-2 User Manual for the Fluke 1625-2 GEO Earth Ground Tester, -10 to 50°C

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1625-2

Users Manual

3-Pole/4-Pole Measurement of Single Earth Electrode Resistances

Turn central rotary switch to position " RE 3pole" or " RE 4pole". The instrument is

to be wired according to Figure 6 and messages on the display.

1 2

3 4

>20 m>20 m

START

H/C2

Earth

electrode

S/P2

4 Probe

E/C1

edw015.eps

Figure 6. 3-Pole/4-Pole Measurement of Single Earth Electrode Resistances

A flashing of the sockets symbols  or , points to an incorrect or incomplete

connection of the measuring lead.

Fix clip-on transformer around the earth electrode to be measured.

Make sure that the clip-on transformation ratio set on the instrument corresponds to the

clip-on transformer used. Change settings if necessary (see How to Change All Data

Settings with Personalized Code).

Note

The ratio that is preset from factory is correct for the EI162X sensing clamp.

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FLUKE 1625-2 GEO Earth Ground Tester, -10 to 50°C