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Universal Measuring Device UMG 500A
"opt.": optional; see Special versions
"sqrt": square root
"Ref.": reference conditions for the accuracy data:
frequency
49.5 .. 50.5Hz or 59.5 .. 60.5Hz
harmonic content
<10% of basic wave
ambient temperature
+18°C ... +27°C
current and voltage
in the range 20% ... 90% of measuring range
cos phi
in the range 0.5 ind -1 - 0.5 cap
Functional plan
Mea-
sured
values
Measurement
function
Voltage
U
App.
current I
Mean
current
Mean
real
power
Real
power P
App.
power S
React.
power Q
React.
work
Real
work W
Fre-
quency f
power
factor
cos phi
5.
7. 11. 13.
Harmonic wave
Measuring method
Ueff
Ieff
15 min./
99.5%
W /
Restzeit
measure
P
S = Ueff*
Ieff
Q =
sqrt
(S²-P²)
Q*t
W = P*t
zero
crossing
P/S
Fourier analysis
Summation 4-wire
measurement
-
-
-
P1+P2
+P3
P1+P2
+P3
S1+S2
+S3
Q1+Q2
+Q3
(Q1+Q2
+Q3)*t
(P1+P2
+P3)*t
-
Sum (P)
----------
Sum (S)
-
-
-
-
Summation 3-wire
measurement (option)
-
-
-
P1+P3
P1+P3
(S1+S2
+S3)
/sqrt (3)
Q1+Q3
(Q1+
Q3)*t
(P1+
P3)*t
-
-
-
-
-
Dis-
play
func-
tions
Sign
ind / cap
-
-
-
-
-
-
x / x
x / -
-
-
x / x
-
-
-
-
Motor/
gener.
-
-
-
x / -
x / x
-
-
-
x / -
-
x / x
-
-
-
-
Transient
values
L1
0 .. 9999
V / opt.:
0.00 ..
99.99 kV
0 .. 5500
A
0 .. 5500
A
-
0 .. 9999
kW / opt.:
0.00 ..
99.99
MW
0 .. 9999
kVA /
opt.: 0.00
.. 99.99
MVA
0 .. 9999
kvar
0.000 ..
9999
kvarh
(*255)
0.000 ..
9999
kWh
(*255)
48.00 ..
62.00Hz
100
0.0 .. 25.5%
L2
-
-
L3
-
-
Sum
-
-
-
0 .. 9999
kW
-
-
-
-
-
Peak values
L1
0 .. 9999
V / opt.:
0.00 ..
99.99 kV
0 .. 5500
A
0 .. 5500
A
-
-
-
48.00 ..
62.00Hz
0.0 .. 25.5%
L2
-
-
-
-
L3
-
-
-
-
Sum
-
-
-
0 .. 9999
kW
-
-
-
-
-
-
-
Date/
Time
x
x
x
x
x
x
x
-
-
x
x
-
-
-
-
Accuracy referred to full scale
value
+/- 2
digit
+/- 2
digit
+/- 2
digit
+/- 5
digit
+/- 5
digit
+/- 5
digit
+/- 5
digit
+/- 5
digit
+/- 5
digit
+/- 2
digit
+/- 2
digit
+/- 10 digit
+/- 0.5 % +/- 0.5 % +/- 0.5 % +/- 1.5 % +/- 1.0 % +/- 1.0 % +/- 1.5 % +/- 1.5 % +/- 1.0 % +/- 0,5 % +/- 1.0 %
+/- 10 %
Scaling of analogue output
0..20 mA / optionally 4..20 mA
(resolution 8 bit)
0 .. 9999
V / opt.:
0.00 ..
99.99 kV
0 .. 9999
A
0 .. 9999
A
0 .. 9999
kW
0 .. 9999
kW / opt.:
0.00 ..
99.99
MW
0 .. 9999
kVA /
opt.: 0.00
.. 99.99
MVA
9999 ind.
.. 0 ..
9999
cap.
0=10mA
0 .. 9999
varh /
pulse
(see
"scaling
of ana-
logue
output")
0 .. 9999
Wh /
pulse
(see
"scaling
of ana-
logue
output")
Variation
from
50/60 Hz
in 0.01
Hz steps
50/60 Hz
=10 mA
Variation
from 1.00
in 0.01
steps
1=10mA
0 .. 25%
Setting range of threshold
contacts
0 .. 9999
V / opt.:
0.00 ..
99.99 kV
0 .. 9999
A
0 .. 9999
A
0 .. 9999
kW
0 .. 9999
kW / opt.:
0.00 ..
99.99
MW
0 .. 9999
kVA /
opt.: 0.00
.. 99.99
MVA
9999 ind
.. 0 ..
9999cap
0 .. 9999
kvarh
(without
over-
flows)
0 .. 9999
kWh
(without
over-
flows)
00.00 ..
99.00Hz
0.00ind
...
1.00
...
0.00capp
0 .. 25%
rem.time
