Page 15
Universal Measuring Device UMG 500A
Technical data
Auxiliary voltage:
see nameplate
Mains frequency:
50 Hz / 60 Hz
Power consumption:
approx.. 10 VA
Measuring inputs
Signal frequency:
45 ... 750 Hz
Voltage paths
Power consumption:
2.75 VA at 230 V
Nominal measured voltage
Standard:
U
n
= 230 V (80 ... 250 V)
Optional:
Un = 120 V (40 ... 130 V)
Current paths
Power consumption in each current path:
1.25 VA at 5 A
Nominal measured current
Standard:
I
n
= 5 A (50 mA ... 5.5 A)
Optional:
In = 1 A (10 mA ... 1.1 A)
Continuous rating:
1.2*I
n
Short-time rating:
2.4*I
n
(continuous: 5s, interruption with max I
n
: 1h)
Analogue output load:
max. 500
Ω
Sampling period:
2 seconds, device shows the average value of 5 sam-
ples
Accuracy in relation to full scale value
V, A, Hz
± 0.5%, ±2 digit
kW, kVA, cos phi, kWh
± 1%, ±5 digit
kvar, kvarh
±1.5%, ±5 digit
Harmonic wave content
± 10%, ±10 digit
Environment
Operating temperature:
- 10°C ... +45°C
Storage temperature:
- 20°C ... +60°C
Humidity class:
F to DIN 40040 (15 ... 95 % without condensation)
Operating altitude:
0 ... 2000 m above sea level
Rated impulse voltage:
4 kV
Overvoltage category:
III
Test voltage
Measuring inputs vs. aux. voltage:
2.2 kV
Measuring inputs vs. interface:
2.2 kV
Auxiliary voltage vs. interface:
2.2 kV
Protection class:
II, protection isolation, without protective ground
Standards considered
EN 61010-1 03.1994
Safety reglementations for electrical measuring,
control, regulation and laboratory instruments
EN 55011
06.1992
RFI product standard
Group 1, Class B (residential and commercial premises)
EN 50082-2 03.1995
EMC basic standard, part 2: industrial premises
Weight:
1,5 kg
Protection class
Front:
IP 50
Rear:
IP 20
Attachable screw terminals:
IP 20
Real time clock:
+/- 1 minute / month
