DD862 Single-Phase Mechanical Meter DD862 single phase watt-hour meter is used for measuring electric power in single-phase 50Hz or 60Hz AC circuit. It shou
Mechanical Meter DD949 single phase long-life type meter is used for measuring electric power in single-phase 50Hz or 60Hz AC circuit. It
DD706 Single-Phase Mechanical Meter DD706 single phase type meter is used to measure electric power in single-phase 50Hz or 60Hz AC circuit. It should be fi