janitza UMG 512, Руководство по эксплуатации и технические данные

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UMG 512
To ensure that two measurement devices achieve the same measurement results in a 10 minute
compensation interval, we recommend synchronising time measurement in the UMG 512 using
an external time signal.
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UMG512 specifications as per IEC 61000-4-30
Characteristic Uncertainty Metering range
5.1 Frequency ± 10 mHz 42.5 Hz – 57.5 Hz,
51Hz – 69 Hz
5.2 Supply voltage level ± 0.1% of Udin 10% – 150% of Udin
5.3 Flicker ± 5% of measured value 0.2 – 10 Pst
5.4 Drops and excessive increases Amplitude: ± 0.2% of Udin
Duration: ± 1 period N/A
5.5 Voltage interruptions Duration: ± 1 period N/A
5.7 Unbalance ± 0.15% 0.5% – 5% u2
0.5% – 5% u0
5.8 Harmonics IEC 61000-4-7 class 1 10% – 200% of
class 3 of IEC 61000-2-4
5.9 Interharmonics IEC 61000-4-7 class 1 10% – 200% of
class 3 of IEC 61000-2-4
5.10 Mains signal voltage In the range 3%-15% of Udin, ± 5% of Udin.
In the range 1%-3% of Udin, ± 0.15% of Udin.
There are no uncertainty requirements for values
< 1% of Udin. 0% – 15% of Udin
5.12 Downward/upward deviation ± 0.1% of Udin 10% – 150% of Udin
The UMG 512 meets the requirements according to IEC 61000-4-30 class A for:
• compensation, time uncertainty, marking concept, transient influence quantities.