何年前に購入したか?忘れるぐらい前の購入品であるが大丈夫だと
判定基準は
容量 表示±30%over
損失係数 tanδ 0.3over
漏れ電流 0.03CV over
この基準で実施しているが正しいかどうかは?(笑)
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