MPI-536 – USER MANUAL
3.6.2 Earth resistance measurement with 3-pole method (R
E
3P)
The three-pole measuring method is the basic type of resistance-to-earth measurement.
Disconnect the tested earth electrode from the installation of the facility.
Drive the current electrode into the earth and connect to the H socket of the meter.
Drive the voltage electrode into the earth and connect to the S socket of the meter.
The earth electrode being tested should be connected to E socket of the meter.
It is recommended that the tested earth electrode as well as H and S electrodes should be
located along one line and at relevant distances, in accordance with the rules of earth
measurements.
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