MPI-535
– BRIEF USER MANUAL
15
Select the
3P
option in the
measurement menu.
Select other settings and per-
form the measurement using the
START
button.
3.3.3
Measurement of resistance to earth using 4P method
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
located along one line and at relevant distances, in accordance with the rules of earth
measurements.
