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A .2 CHAR ACT ER ISTI CS O F F U NCT IO NS
A.2 Characteristics of functions
Function symbols
P
QV
SA
Ea
ErV
EapA
F
I
IN, INc
U
PFA
Udip
Uswl
Uint
Uh
THDu
Ih
THDi
1T N C928 25 0M0 201
Measuring range
2 % to 120 % In
2 % to 120 % In
2 % to 120 % In
0 to 99999999 kWh
0 to 99999999 kVarh
0 to 99999999 kVah
45 to 65 Hz
5 % to 120 % In
5 % to 120 % In
50 to 690 VAC ph/ph
0.5 ind to 0.8 cap
5 % to 100 % Un
100 % to 120 % Un
0 to 5 % Un
3
rd
to 17
th
19
th
to 31
st
st
st
3
to 31
Function performance
class according to
IEC 61557-12
0.5
0.5
1
0.5
2
1
0.1
0.2
1
0.2
0.5
0.5
0.5
0.5
2
5
2
2
2
CO NF IG UR AT IO N
Other complementary
characteristics
30 to 400 VAC ph/n
5 3
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