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Digital fault recorder
UMG 507 Janitza Electronics

  • digital fault recorder UMG 507 Janitza Electronics
The three-phase electronic measuring instrument collects and digitalises the effective values of currents and voltages (True RMS) in a 50/60Hz network. The integrated microprocessor calculates the electrical parameters from the sampling values. All measurement values are continuously measured and recorded at intervals of 200ms over 10 periods (50 Hz).

This allows the safe identification of short-term interruptions with the fault recorder function. For short-term events, the effective values are recorded over 128 periods with 64 pre-trigger periods and with the transient memory over 5 periods with 2 pre-trigger periods. The reaction time of the internal outputs is < 10ms and the external bus outputs < 200ms.

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