Static single-phase multifunctional ATOM 1 electricity meters are designed for measuring and metering of active and reactive energy of forward and reverse directions, measuring of network parameters: RMS values of voltage and force of alternating current, network frequency, power factor, as well as measuring the quality indicators of electrical energy in the operating range of the meter: deviation of the main frequency of the supply voltage, steady-state voltage deviation, duration and depth of the voltage dip, d
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