MPI-540 ● MPI-540-PV – BRIEF USER MANUAL
3.4.2 Earth resistance measurement with 4-wire method (R
E
4P)
Disconnect earth electrode being tested from the installation of the building.
Drive the current electrode into the ground and connect to the H socket of the meter.
Drive the voltage electrode into the ground and connect to the S socket of the meter.
The earth electrode being tested should be connected to E socket of the meter with the lead.
ES socket should be connected to the tested earth electrode below E lead.
It is recommended that the tested earth electrode as well as H and S electrodes should be lo-
cated along one line and at relevant distances, in accordance with the rules of earth measure-
ments.
Select the 4P option in the
measurement menu.
Select other ones and perform
the measurement using the
START button.