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mdayan
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樓主  發(fā)表于: 2010-04-15 01:30
各位,電容怎樣判斷它的好壞,請教下.
neilnie
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1樓  發(fā)表于: 2010-04-15 09:41
引用
引用第3樓pretco123于2010-04-15 08:10發(fā)表的  :
萬(wàn)用表(指針式)用RX100或1000檔測量電容兩端,若指針能正偏后瞬間歸零,則是好的,若指針不能歸零或沒(méi)有正偏的,則電容漏電或斷路了;用數字萬(wàn)用表測量時(shí)則應注意電容的正負極以及選擇正確的量程.

容量下降的話(huà)正片的幅度會(huì )減少了。（用好的對比）也可用數字萬(wàn)用表電容檔檢測。

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