FIELD: measurement technology. SUBSTANCE: electricity meter has current input 1, voltage input 2, current input device 3, voltage input device 4, power supply unit 5, key 8, pulse-width modulator 9, low-frequency filter 10, voltage-to-frequency converter 11, counter 13, AC amplifier 6 with controlled amplifying factor, signal level comparator 7 and frequency divider 12 with controlled count-down ratio. EFFECT: increased authenticity of measurement. 1 dwg
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