ShchMK120SP is designed for measurement, control and registration of basic parameters of electrical energy in single-phase two-wire, three-phase three-wire and four-wire electrical networks and AC power supply systems with a nominal frequency of 50 Hz; measurement, registration and metering of active and reactive electrical energy for specified time intervals in single-phase and three-phase AC networks (technical and commercial metering of active and reactive electricity); measurement of quality indicators of electrical energy (technical and commercial metering of active and reactive electricity); measurement of quality indicators of electrical energy (technical and commercial metering of active and reactive electricity). ShchMK120SP is included in the State Register of measuring instruments of the Russian Federation No.
68977-17. Interverification interval is 12 years.
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