Three-phase electricity meters RIM 489.48 are direct-connection meters designed for connection to three-phase four-wire AC electric circuits of industrial frequency. They are intended for measuring: active and reactive electric energy of forward and reverse direction; power (active, reactive, total); RMS value of current and voltage; network frequency, active power factor cos , reactive power factor tg , specific energy of losses, the meters are equipped with a receiver of global navigation satellite system signals.
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