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UMG 508
1)
The UMG508 can only detect measurement values if a voltage L-N larger than 10Veff or a voltage
L-L larger than 18Veff is applied to at least one voltage measurement input.
Measurement inputs
The voltage measuring inputs are suitable for the following grids of power supply:
Three-phase 4 conductor systems L-N/L-L
: 347V/600V
Three-phase 3 conductor systems L-L
: 600V
The voltage measuring inputs regarding safety and reliability reasons are dimensioned as follows:
Measurement category
: 600V CAT III
Measurement surge voltage
: 6kV
Measuring range L-N
: 0
1)
.. 600Vrms
Measuring range L-L
: 0
1)
.. 1000Vrms
Resolution
: 0.01V
Crest factor
: 1,6 (relating to 600Vrms)
Impedance
: 4MOhm/Phase
Power consumption
: ca. 0.1 VA
Scanning frequency
: 20kHz/phase
Transients
: >50µs
Frequency of fundamental oscillation
: 40Hz .. 70Hz
Resolution
: 0.001Hz
Voltage measurement