12
GroundFlex™ Adapter Model 6474
5.
Connect the required number of GroundFlex
™
sensors to channels 1, 2, 3,
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
™
sensors must be oriented in the
same direction
and they must
all
have the
same number of turns
.
E
S
H
R
S
R
H
ES
1
2
3
4
6474
6472
Overhead earth wire
High-voltage
lines
4 GroundFlex™ sensors
connected with the
same orientation
WARNING:
If the GroundFlex
™
Adapter Model 6474 is connected to the earth
tester, the earth potential connected to the terminals
E (X)
and
ES (Xv)
will
also be present at the BNC connectors of the GroundFlex
™
sensors and at the
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
™
Adapter according to the connection
made.
2.
Start the measurement by pressing the
START/STOP
button.
1
AUTO
k
7
mA
V
H
S
ES
E
S x 1
2