E
terminal
EARTH
EARTH COUPLING
ES
calculating earth resistance)
H
I-Act
(1)
terminals
I
H-E
terminals
NOISE
R
R+
terminal H to E
R-
terminal H to E
R-Act
(1)
R
1
sockets (R
1
= R
A
C
)
R
2
earth sockets (R
2
= R
b
C
)
R
1-2
earth sockets (R = R
A
b
)
R
A
A
= R
1
C
)
R
b
b
= R
1
C
)
R
C
A
and R
b
(R
c
= (R
1
2
) / 2)
R
E
R
H
R
PASS
measurement with interference current circulating in the
installation)
R
S
R
S-ES
(2)
measurement)
www.
.com
1.800.561.8187
Содержание 6470-b
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