Sonel MPI-540 User Manual

MPI-540 – USER MANUAL
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3.5.2 Measurement of resistance to earth using 3P method
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.

Sonel MPI-540 Specifications

General

Brand	Sonel
Model	MPI-540
Category	Measuring Instruments
Language	English