寫作者: 廣州 市昂洋科持無窮集團授于時刻:2019-07-01 17:53:18看量:14025【小中大】
貼片(pian)電解(jie)電容(r✱ong)若何(he)直(🏅zhi)接判(pan)斷全白(bai)(bai)?監(jian)測全白(bai)(bai)的(de)容(rong)易下面:
1、貼片電(dian)解(jie)電(dian)解(jie)電(dian)容的內👍阻是(shi)無(wu)窮(qiong)大,如果是(shi)內阻不通常,就(jiu)可(ke)以(yi)改換。電(dian)解(jie)電(dian)解(jie)電(dian)容變小(xiao),萬(wan)用表不了側量ꩲ(liang),言(yan)于才可(ke)以(yi)舉例說明改換。
2、用🌼(yong)萬用(yong)表的南方(fang)北方(fang)極(ji)比較清幽,一兩個引腳跨接,其余一兩個引腳分別(bie)測量電阻(zu)的兩邊,具體表現斷(d⛄uan)路。
3、假如小貼片電感不導通,可作萬用表優酷云精確測量辨別。假如是短路,隨著電感還小,沒有辦法用萬用表精確測量,可以供電筆毗連到220伏的火線上代理,將貼片濾波電容的(de)(de)引腳放置電筆的(de)(de)筆帽上,來(lai)看看霓(ni)虹燈都是(shi)能是(shi)帶光字(zi),帶光字(🍸zi)電阻都是(shi)能是(shi)楷模,他怕(pa)電源線路斷路。22♚0v的(de)(de)電壓值毫不猶豫能在板上考試。
4、電容值是無窮,值是零,她是不良的(de)。剩下的(de)人還應一 些小修(xiu)改。
(1).萬用表也(ye)調濟到歐姆(mu)檔(dang)的妥當檔(dang)𝐆位(wei)。蝸(gua)輪(lun)蝸(gua)桿(gan)在(zai)挑(tiao)選的準繩(sheng)是:20K蝸(gua)輪(lun)蝸(gua)桿(gan)廣泛(fan)(fan)(fan)適應用在(zai)1-100微法濾波電容(rong)器(qi)器(qi),2K蝸(gua)輪(lun)蝸(gua)桿(gan)廣泛(fan)(fan)(fan)適應用在(zai)1-100微法濾波電容(rong)器(qi)器(qi),200蝸(gua)輪(lun)蝸(gua)桿(gan)廣泛(fan)(fan)(fan)適應用在(zai)微法濾波電容(rong)器(qi)器(qi)。
(2).要界(jie)定(ding)正(zheng)(zheng)負,起首將萬(wan)用(yong)表配置為100歐姆(mu)或(huo)1K歐姆(mu)。假定(ding)某個電極材(cai)料材(cai)料是正(zheng)(zheng)極,毗連玄色(se)紅(hong)(hong)外(wai)探(tan)(tan)頭(tou)。將灰黑(hei)色(se)紅(hong)(hong)外(wai)探(tan)(tan)頭(tou)與額外(wai)某個電極材(cai)料材(cai)料毗連。留下內(nei)阻值(zhi)。其(qi)身對內(nei)阻器自放電,即使是南北向極打戰。其(qi)身改(gai)換紅(hong)(hong)外(wai)探(tan)(tan)頭(tou)勘界(jie)內(nei)阻。即使內(nei)阻值(zhi)不(bu)小,玄色(se)紅(hong)(hong)外(wai)探(tan)(tan)頭(tou)毗連到內(nei)阻器的正(zheng)(﷽zheng)極。
(3).其志用(yong)(yong)萬(wan)用(yong)(yong)表的潔(jie)白筆毗連(lian)電解(jie)電金屬(shu)(shu)(shu)罐的正極,用(yong)(yong)玄色筆毗連(lian)電解(jie)電金屬(shu)(shu)(shu)罐的負極。倘(tang)若(ruo)形(xing)成從0反應遲鈍豐富(fu),倘(tang)若(🧸ruo)上溢標識1既然形(xing)成,電解(jie)電金屬(shu)(shu)(shu)罐將般。
無(wu)符號的貼片電容器灰白若何(he)加測呢?
貼(tie)(tie)片濾波(bo)電(dian)(dian)解(jie)電(dian)(dian)阻若(ruo)何判別黑(hei)白灰?像這一類貼(tie)(tie)片濾波(bo)電(dian)(dian)解(jie)電(dian)(dian)阻的規(gui)格尺寸越(yue)大(da)或(huo)對比色越(yue)重,數量就越(yue)大(da)。貼(tie)(tie)片濾波(bo🉐)電(dian)(dian)解(jie)電(dian)(dian)阻還可(ke)(ke)以用(yong)數值萬用(yong)表(biao)可(ke)(ke)能(neng)貼(tie)(tie)片濾波(bo)電(dian)(dian)解(jie)電(dian)(dia🐟n)阻的測式儀側量。