Sonel MPI-506 - Page 29

MPI-506 – USER MANUAL
27
The meter can perform the following measurements:
For RCD AC:
Measured pa-
rameters
Measurement conditions
Notes
Multiplication
factor I
n
Initial phase
(polarization)
Z
L-PE
Z
L-PE
-
U
B
, R
E
U
B
, R
E
t
A
0.5 I

n
t
A
t
A
0.5 I

n
t
A
t
A
1 I

n
t
A
RCD in good working order should
trip
t
A
1 I

n
t
A
t
A
2 I

n
t
A
t
A
2 I

n
t
A
t
A
5 I

n
t
A
t
A
5 I

n
t
A
I
A
I
A
I
A
I
A
For RCD A:
Measured pa-
rameters
Measurement conditions
Notes
Multiplication
factor I
n
Initial phase
(polarization)
Z
L-PE
-
U
B
, R
E
t
A
0.5 I

n
positive
t
A
0.5 I

n
negative
t
A
1 I

n
positive
RCD in good working order
should trip
t
A
1 I

n
negative
t
A
2 I

n
positive
t
A
2 I

n
negative
t
A
5 I

n
positive
t
A
5 I

n
negative
I
A
positive
I
A
negative
t
A
0.5 I

n
positive
t
A
0.5 I

n
negative
t
A
1 I

n
positive
t
A
1 I

n
negative
t
A
2 I

n
positive
t
A
2 I

n
negative
t
A
5 I

n
positive
t
A
5 I

n
negative
I
A
positive
I
A
negative