Universal measuring device UMG 103

Overview of product variants

Description Type Operating voltage Item number
Universal messuring device 50/60Hz;
Current transformer: ../1/5A		 UMG 103 L-N: 110 ... 265V-AC 52.18.001

Measurement range

Voltage L-N   50-300 V-AC
Voltage L-L   85-520 V-AC
Current (CTs: x/1 und x/5 A)   0,001...7,5A
Frequency, mains   45...65 Hz

General technical data

Operating voltage CAT III 110 ...265 V-AC
Scanning rate   5,4 kHz per channel
Quadrants   4
Weight   150g
Dimensions   B=71,5 mm, H=90 mm, T=46 mm
Mounting   35 mm DIN rail
Working temperature   -10…+55 °C
Storage temperature   -20…+70 °C
Protection class (reverse/front) According to EN 60529 IP20
Connectable conductors (U/I) Single wire, multi-wire, fine-wire
Pin cable lugs, ferrule		 0,08-2,5 mm2
1,5 mm2

Measurement values

Voltage L1, L2, L3, L1-L2, L2-L3, L1-L3 0,2% rdg+ 0,02% rng
Current L1, L2, L3, N, calculated 0,2% rdg+ 0,02% rng
Effective, reactive and apparent power L1, L2, L3, sum Accuracy±(0,4% rdg+ 0,10% rng
Cos-phi, power factor L1, L2, L3, sum  
Effective/reactive consumption Consumed / inductive Class 0,5S(kWh)
Frequency L1, L2, L3 Accuracy ±0,1% rdg
Average value   Yes
Minimum / Maximum value   Yes
Operating hour meter   Yes

Power quality

Harmonics, 1.-25, Harmonic, uneven Current, Voltage, L1, L2, L3 Accuracy: 0,5% rdg+ 0,05% rng
Distortion factor THD-U in % L1, L2, L3 Accuracy: 0,5% rdg+ 0,05% rng
Distortion factor THD-I in % L1, L2, L3 Accuracy: 0,5% rdg+ 0,05% rng

Communication

RS 485 Up to 115,2 kbps Yes
Modbus RTU/Slave   Yes