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UMG 509
Voltage measurement inputs
The UMG 509 has four voltage measurement inputs
(V1, V2, V3, V4).
Voltage swell
The voltage measurement inputs are suitable for
measurements in networks where overvoltages
of overvoltage category 600V CATIII can occur.
Frequency
The UMG 509 requires the mains frequency for
the measurement and calculation of measured values.
The UMG 509 is suitable for measurements in networks
whose mains frequency is in the range 40Hz to 70Hz.
For measurement with the supporting
measurement (V4), a voltage must be
connected to the baseline measurement
for frequency determination.
m
10A
(UL/IEC listed)
L1 N PEL3L2
Fig. Example connection for measuring voltage.
C
It is not necessary to configure
a connection schematic for measurement
inputs V4 and I4.
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