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• Technical characteristics
Characteristics of "power quality assessment functions"
Function performance class according to
Function symbols
f
I
I
, I
c
n
n
U
P
, P
st
lt
U
dip
U
swl
U
int
U
nba
U
nb
U
h
I
h
M
Sv
Conformity IEC 61557-12 Edition 1 (08/2007)
IEC 61557-12
± 0,1 Hz
0,5
2
0,5
-
-
-
-
-
-
1
1
-
Standard multifunction meter
Other complementary
Measuring range
45 ÷ 65 Hz
0,01 ÷ 1,2 A (x/1 A)
0,05 ÷ 6 A (x/5 A)
0,1 ÷ 1,2 A (x/1 A)
0,1 ÷ 6 A (x/5 A)
30 ÷ 300 V (Ph/N)
50 ÷ 500 V (Ph/Ph)
-
-
-
-
-
-
30 ÷ 300 V (Ph/N)
50 ÷ 500 V (Ph/Ph)
0,1 ÷ 1,2 A (x/1 A)
0,1 ÷ 6 A (x/5 A)
-
characteristics
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