请问用数字式万用表如何判断一电容的好坏？ 请问用数字式万用表如何判断一电容的好坏？
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方法：
1、先确认电容的标称值是多少。例如0.1μF；
2、把数字万用表档位拨到电容档“2μF”（“20nF”太小了，“200μF”太大了）。见下图：
3、屏幕显示的值即是测量值，单位是“μF”。
注意事项：
由于仪表和电容在制作上都会存在误差，所以测量值接近电容的标称值可判断电容良好；如果测量值与标称值出现量级上的误差，如标称值为0.1μF的电容测出0.01μF，可判定电容不能使用或损坏。
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绛旓細1. 棣栧厛锛岀‘淇鏁板瓧寮忎竾鐢ㄨ〃宸茬粡姝ｇ‘杩炴帴骞舵牎鍑嗐傚皢绾㈣〃绗旇繛鎺ュ埌姝ｆ瀬锛堥氬父鐢ㄧ孩鑹茶〃绀猴級锛岄粦琛ㄧ瑪杩炴帴鍒拌礋鏋侊紙閫氬父鐢ㄩ粦鑹茶〃绀猴級銆2. 灏嗘暟瀛楀紡涓囩敤琛ㄨ皟鑷崇數闃绘祴閲忔ā寮忋傚ぇ澶氭暟鏁板瓧寮忎竾鐢ㄨ〃涓婇兘鏈変竴涓笓闂ㄧ殑鐢甸樆娴嬮噺鎸夐挳鎴栨棆閽紝灏嗗叾鍒囨崲鍒扮浉搴旂殑浣嶇疆銆3. 灏嗙孩琛ㄧ瑪鍜岄粦琛ㄧ瑪鍒嗗埆鎺ヨЕ鍒板绾跨殑涓や釜绔偣銆
绛旓細濡備綍浣跨敤鐢鐢ㄤ竾鑳琛ㄤ娇鐢涓囩敤琛ㄩ渶瑕佹敞鎰: 1).璇嗗埆涓囩敤琛ㄥ悇妗ｇ殑鍔熻兘. 2).娴嬮噺涓---鍥涗釜鐢甸樆骞惰褰. 3).娴嬩氦娴佺數鍘嬪苟璁板綍. 4).娴嬮噺鐩存祦鐢靛帇骞惰褰. 涓囩敤琛:涓昏鐢ㄦ潵娴嬮噺浜ゆ祦鐩存祦鐢靛帇.鐢垫祦.鐩存祦鐢甸樆, 鍙婄數鏅朵綋鐢垫祦鏀惧ぇ浣嶆暟绛.鐜板湪甯歌鐨勪富瑕佹湁鏁板瓧寮忎竾鐢ㄨ〃鍜屾満姊颁竾鐢ㄨ〃涓ょ. 1)鏁板瓧寮忎竾鐢ㄨ〃 鍦ㄤ竾鐢ㄨ〃涓...
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