MPI-525
– USER MANUAL
62
Additional uncertainty caused by serial interference voltage
R
E
Additional uncertainty
[Ω]
0.00...9.99
Ω
±((0.01R
E
+ 0.012)U
Z
+ 0.003 U
Z
2
)
10.0...99.9
Ω
±((0.001R
E
+ 0.05)U
Z
+ 0.001 U
Z
2
)
100
Ω...1.99 kΩ
±((0.001R
E
+ 0.5)U
Z
+ 0.001 U
Z
2
)
Additional uncertainty caused by resistance of electrodes:
%
10
5
,
1
004
,
0
150
100000
2
8
H
E
H
S
S
dod
R
R
R
R
R
R
S
< 5 k
%
10
5
,
1
004
,
0
5
,
7
2
8
H
E
H
dod
R
R
R
R
S
≥ 5 k
Resistance of voltage electrode Rs[
Ω]
10.2.5 Additional uncertainties according to IEC 61557-6 (RCD)
I
A
, t
A
, U
B
Significant parameter
Designation
Additional uncertainty
Position
E
1
0%
Supply voltage
E
2
0% (
BAT
is not lit)
Temperature 0...35°C
E
3
0%
Resistance of electrodes
E
5
0%
Network voltage 85%..110%
E
8
0%
A
d
d
ition
a
l e
rr
o
r ca
u
s
e
d
b
y
re
sista
n
ce
o
f
e
lect
ro
d
e
s [
%
]
R
H
Current electrode resistance
R
E
Resistance to earth
=
A
d
d
ition
a
l e
rr
o
r ca
u
s
e
d
b
y
re
sista
n
ce
o
f
e
lect
ro
d
e
s [
%
]
R
H
Current electrode resistance
R
E
Resistance to earth
=
Summary of Contents for MPI-525
Page 1: ......
Page 2: ......
Page 70: ...MPI 525 USER MANUAL 68 NOTES...
Page 71: ......
Page 72: ...MPI 525 USER MANUAL 70...
