Sonel MPI-540 User Manual

MPI-540 – USER MANUAL
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3.5.4 Measurement of resistance to earth using 3P + clamps method
 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 with the
lead.
 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.
 Receiving clamps should be attached to the tested earth electrode below the connection
point of E lead.
 The arrow on the clamps must be directed in accordance with the direction of the current
flowing into the ground.
Select the 3P + clamps option in
the measurement menu.
Select other settings in accord-
ance with section 3.5.1.

Sonel MPI-540 Specifications

General

Brand	Sonel
Model	MPI-540
Category	Measuring Instruments
Language	English