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5. Connect the required number of GroundFlex
and/or 4 (the channels for which they are calibrated) and place the Ground-
Flex
sensors around the legs of the pylon. The orientation has no effect on
™
the measurement, but all of the GroundFlex
same direction and they must all have the same number of turns.
Overhead earth wire
High-voltage
lines
4 GroundFlex™ sensors
connected with the
same orientation
R
S
WARNING: If the GroundFlex
tester, the earth potential connected to the terminals E (X) and ES (Xv) will
also be present at the BNC connectors of the GroundFlex
connecting cable between the adapter and tester. Whenever any doubt exists
about this earth potential, the user should proceed to a voltage measurement
using the S (Y) and ES (Xv) terminals of the tester.
1. Set the 3 switches of the GroundFlex
made.
2.
Start the measurement by pressing the START/STOP button.
12
™
sensors must be oriented in the
™
R
Adapter Model 6474 is connected to the earth
™
Adapter according to the connection
™
H
S
ES
E
sensors to channels 1, 2, 3,
H
H
S
ES
E
1
2
3
4
sensors and at the
™
S x 1
1
k
V
mA
AUTO
GroundFlex™ Adapter Model 6474
6472
6474
2
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