1.Single phase & three phase electric meter 2.ISO9000 3.3years warranty period 4.15years OEM for oversea markets DDS450 single-phase static watt-hour meter is designed for measuring active energy in single-phase alternating current power grids by connecting up resident power supply system.,It complies with the standard IEC 61036 and has high measurement accuracy. The meter is ISO9001 certified ...
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