| 摘要 |
PURPOSE: An electronic watt hour meter is provided to reduce material costs by preventing the replacement of unnecessary components. CONSTITUTION: A power supply unit case(10) covers a front cover(13) on an independent square box body, and the lower part thereof is partitioned by a partition. The power supply unit case comprises a connection hole(11) and a connecting terminal(12) connected to an external power line. A display unit case(20) comprises a transparent display window(27) formed on the independent square box body, and a sensing unit(40) is formed on both sides thereof. The display unit case is covered by a sealed front cover(25).
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