22
GETEST
Instructions Manual
7�-
Once the connections have been made, commence the test, please refer to “
Measurements must be carried out respecting at all times the diagrams and warnings
outlined in this manual. Otherwise the obtained values might be erroneous.
Do not touch the metal surfaces during the measurements.
Never touch the conducting surface to be tested during the contact voltage
measurement.
4�4�4�- GROUND RESISTANCE
To carry out the measurements it is necessary to follow the following steps:
1�-
Connect the current injection cables as shown in section “
4.4.1.- CONNECTION OF THE HARDWARE
2�-
At an intermediate distance between the auxiliary ground connection and the earth to be checked,
the measuring rod supplied with the
GETEST
must be inserted.
3�-
Connect the roll of 2-wire cable (yellow - green) to the
voltage terminals
of the
GETEST
(
Um
),
connect the other end of the cables, one to the inserted measuring spikes and the other to the ground
connection to be measured.
≥ 40 m
≥ 20 m
≥ 20 m
5 A
Auxiliary ground
Ground to check
Measure spike
Access door
Figure 16: Ground resistance test connection�
4�-
Once the connections have been made, commence the test, please refer to “