電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)是(shi)根(gen)據通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導體(ti)在(zai)磁(ci)(ci)(ci)(ci)場(chang)中受(shou)磁(ci)(ci)(ci)(ci)場(chang)力(li)(li)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)而(er)(er)(er)制成(cheng)的(de)(de)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)內(nei)(nei)部有(you)一(yi)(yi)永(yong)磁(ci)(ci)(ci)(ci)體(ti)，在(zai)極間(jian)(jian)產生(sheng)磁(ci)(ci)(ci)(ci)場(chang)，在(zai)磁(ci)(ci)(ci)(ci)場(chang)中有(you)一(yi)(yi)個(ge)(ge)(ge)線(xian)圈，線(xian)圈兩端(duan)各有(you)一(yi)(yi)個(ge)(ge)(ge)游絲彈簧(huang)，彈簧(huang)各連(lian)接電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)的(de)(de)一(yi)(yi)個(ge)(ge)(ge)接線(xian)柱，在(zai)彈簧(huang)與線(xian)圈間(jian)(jian)由一(yi)(yi)個(ge)(ge)(ge)轉(zhuan)(zhuan)軸連(lian)接，在(zai)轉(zhuan)(zhuan)軸相對于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)的(de)(de)前端(duan)，有(you)一(yi)(yi)個(ge)(ge)(ge)指(zhi)針。當有(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)通(tong)過(guo)(guo)時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)沿彈簧(huang)、轉(zhuan)(zhuan)軸通(tong)過(guo)(guo)磁(ci)(ci)(ci)(ci)場(chang)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)切(qie)磁(ci)(ci)(ci)(ci)感線(xian)，所以受(shou)磁(ci)(ci)(ci)(ci)場(chang)力(li)(li)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)，使線(xian)圈發(fa)生(sheng)偏(pian)轉(zhuan)(zhuan)，帶動轉(zhuan)(zhuan)軸、指(zhi)針偏(pian)轉(zhuan)(zhuan)。由于(yu)磁(ci)(ci)(ci)(ci)場(chang)力(li)(li)的(de)(de)大小隨(sui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)增大而(er)(er)(er)增大，所以就可(ke)以通(tong)過(guo)(guo)指(zhi)針的(de)(de)偏(pian)轉(zhuan)(zhuan)程度(du)來觀察電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)的(de)(de)大小。一(yi)(yi)般可(ke)直(zhi)(zhi)接測(ce)(ce)(ce)(ce)量(liang)微安或(huo)毫安數(shu)量(liang)級的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，為測(ce)(ce)(ce)(ce)更(geng)大的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)應(ying)有(you)并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)（又(you)稱(cheng)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)）。主要(yao)采(cai)(cai)(cai)用(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)的(de)(de)測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou)。分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)要(yao)使滿量(liang)程電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)通(tong)過(guo)(guo)時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)滿偏(pian)轉(zhuan)(zhuan)，即電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)指(zhi)示(shi)達(da)到最大。對于(yu)幾(ji)安的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)內(nei)(nei)設置(zhi)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。對于(yu)幾(ji)安以上的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，則采(cai)(cai)(cai)用(yong)(yong)(yong)外附(fu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)很小，為避免引線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)和接觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)附(fu)加(jia)于(yu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)而(er)(er)(er)引起誤差，分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)要(yao)制成(cheng)四(si)端(duan)形式(shi)(shi)，即有(you)兩個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)端(duan)，兩個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)端(duan)。直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)主要(yao)采(cai)(cai)(cai)用(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou)(見機(ji)(ji)械式(shi)(shi)指(zhi)示(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou))，這些測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou)的(de)(de)測(ce)(ce)(ce)(ce)量(liang)基本量(liang)是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)用(yong)(yong)(yong)來直(zhi)(zhi)接測(ce)(ce)(ce)(ce)小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對于(yu)大量(liang)值(zhi)(zhi)(zhi)的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou)要(yao)使用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，也(ye)就是(shi)并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。它(ta)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)是(shi)將大部分(fen)(fen)(fen)被測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對約10A以下(xia)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)多采(cai)(cai)(cai)用(yong)(yong)(yong)內(nei)(nei)附(fu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi);對更(geng)大的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)(zhi)(zhi)，則使用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。它(ta)采(cai)(cai)(cai)取(qu)四(si)端(duan)結構(gou)(gou)(圖a)，具有(you)兩個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)端(duan)，兩個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端(duan)。交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)可(ke)采(cai)(cai)(cai)用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)系(xi)(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou)。為使磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)機(ji)(ji)構(gou)(gou)也(ye)能(neng)用(yong)(yong)(yong)于(yu)測(ce)(ce)(ce)(ce)量(liang)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)利用(yong)(yong)(yong)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或(huo)熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)等器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)件先(xian)將交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉(zhuan)(zhuan)換為直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由它(ta)們(men)組合(he)而(er)(er)(er)成(cheng)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)分(fen)(fen)(fen)別稱(cheng)為整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(見整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao))、熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)。為擴大量(liang)程以測(ce)(ce)(ce)(ce)量(liang)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)也(ye)采(cai)(cai)(cai)用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)的(de)(de)做法同前;電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)系(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)則是(shi)加(jia)粗線(xian)圈導線(xian)、減少匝(za)數(shu)。對于(yu)更(geng)大的(de)(de)測(ce)(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)(zhi)(zhi)需(xu)配合(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)互感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)使用(yong)(yong)(yong)。通(tong)常可(ke)利用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)和交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數(shu)字電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)表(biao)(biao)(biao)(biao)(biao)構(gou)(gou)成(cheng)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數(shu)字電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)。

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，通(tong)(tong)常簡稱其容(rong)(rong)納電(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷的(de)(de)(de)(de)(de)(de)本(ben)領為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)，用(yong)字(zi)母C表示。定義1：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，顧名思義，是(shi)(shi)(shi)(shi)‘裝(zhuang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)容(rong)(rong)器(qi)(qi)’，是(shi)(shi)(shi)(shi)一(yi)種(zhong)容(rong)(rong)納電(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷的(de)(de)(de)(de)(de)(de)器(qi)(qi)件。英文名稱：capacitor。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)設備中大(da)量使用(yong)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)元(yuan)件之一(yi)，廣(guang)泛應用(yong)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路中的(de)(de)(de)(de)(de)(de)隔直通(tong)(tong)交，耦(ou)合(he)，旁路，濾波，調(diao)諧回路， 能量轉換，控制等(deng)方(fang)面(mian)。定義2：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，任何(he)兩個彼此絕緣且相(xiang)(xiang)隔很(hen)近的(de)(de)(de)(de)(de)(de)導體(ti)（包(bao)括導線）間(jian)都(dou)構成一(yi)個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)。簡單的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)是(shi)(shi)(shi)(shi)由(you)兩端的(de)(de)(de)(de)(de)(de)極(ji)(ji)(ji)(ji)(ji)板和中間(jian)的(de)(de)(de)(de)(de)(de)絕緣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)介質（包(bao)括空氣）構成的(de)(de)(de)(de)(de)(de)。通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)后(hou)，極(ji)(ji)(ji)(ji)(ji)板帶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，形成電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)（電(dian)(dian)(dian)(dian)(dian)(dian)(dian)勢差），但是(shi)(shi)(shi)(shi)由(you)于中間(jian)的(de)(de)(de)(de)(de)(de)絕緣物(wu)質，所以整個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)是(shi)(shi)(shi)(shi)不導電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)。不過，這(zhe)樣的(de)(de)(de)(de)(de)(de)情況是(shi)(shi)(shi)(shi)在沒有超過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)的(de)(de)(de)(de)(de)(de)臨界電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)（擊(ji)(ji)穿電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)）的(de)(de)(de)(de)(de)(de)前提(ti)條件下(xia)(xia)的(de)(de)(de)(de)(de)(de)。我(wo)們知道(dao)，任何(he)物(wu)質都(dou)是(shi)(shi)(shi)(shi)相(xiang)(xiang)對絕緣的(de)(de)(de)(de)(de)(de)，當(dang)(dang)物(wu)質兩端的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)加大(da)到一(yi)定程度后(hou)，物(wu)質是(shi)(shi)(shi)(shi)都(dou)可以導電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)，我(wo)們稱這(zhe)個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)叫擊(ji)(ji)穿電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)也不例外，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)被擊(ji)(ji)穿后(hou)，就不是(shi)(shi)(shi)(shi)絕緣體(ti)了。當(dang)(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)接通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)以后(hou),在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)場力的(de)(de)(de)(de)(de)(de)作用(yong)下(xia)(xia),與(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)正極(ji)(ji)(ji)(ji)(ji)相(xiang)(xiang)接電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)極(ji)(ji)(ji)(ji)(ji)板的(de)(de)(de)(de)(de)(de) 自由(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)將經(jing)過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)移(yi)到與(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)負(fu)(fu)極(ji)(ji)(ji)(ji)(ji)相(xiang)(xiang)接的(de)(de)(de)(de)(de)(de)極(ji)(ji)(ji)(ji)(ji)板下(xia)(xia), 正極(ji)(ji)(ji)(ji)(ji)由(you)于失去(qu)負(fu)(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷而帶正電(dian)(dian)(dian)(dian)(dian)(dian)(dian), 負(fu)(fu) 極(ji)(ji)(ji)(ji)(ji)由(you)于獲得負(fu)(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷而帶負(fu)(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),正,負(fu)(fu)極(ji)(ji)(ji)(ji)(ji)板所帶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷大(da)小相(xiang)(xiang)等(deng),符號(hao)相(xiang)(xiang)反.

WEIGEL    功率轉換器    V1U2.2 0..120V(48..62hz) 4-20mA
WEIGEL    豎式指針表    MP48X96K(4~20mA 帶零位調整） 96mm×48mm豎式指針表
WEIGEL    電流表    LSP96K
WEIGEL    表    P72PRS
WEIGEL    分流器    4000A/60MV
WEIGEL    備件    PQ 96
WEIGEL    備件    AU2.0 10 5 H0
WEIGEL    表    P72PRS
WEIGEL    備件    WQ96/2S
WEIGEL    備件    PQ 96
WEIGEL    滑差表    SY96S 100V 50HZ WITH FULLSIZED REAR COVER
WEIGEL    Analog Meter    LSP96
WEIGEL    顯示器    DAS10-40P1R
WEIGEL    電器件    SHUNT 6000A/60MV/CLASS 0.5
WEIGEL    備件    DPA 10-31E10G
WEIGEL    電流表    Q96K5A(10)400/5A
WEIGEL    備件    AU2.0  0-5A/0-20mA
WEIGEL    電流表    Q96K5A(10)400/5A
WEIGEL    分流器    SHUNT 18000A/200MV/CLASS 0.5
WEIGEL    變送器    VIU2.2 輸入0-115V 48-62HZ 輸出4-20MA 工作電源Vh195-293v
WEIGEL    備件    VUE2.2 0-500V 4-20MA  220V
WEIGEL    備件    A1U2.2 13 4 0.5 H1
WEIGEL    儀表    PQ96 40-0-40V
WEIGEL    安培表    PQ72K 0-20MA
WEIGEL    電表    GQ96RS(3-15kV)   11.5 kv / 110 v
WEIGEL    備件    EQ144K/1A/150A
WEIGEL    備件    BIEQ 72K 15min 3000/1A
WEIGEL    電流表    PQ72K 0-100A 4-20mA
WEIGEL    電流表    PQ96K
WEIGEL    分流器    FLQ1017B2-300A
WEIGEL    變送器    VIU2.2 輸入0-115V 48-62HZ 輸出4-20MA 工作電源Vh195-293v
WEIGEL    備件    EQ96K   0-500V
WEIGEL    備件    DAS10-40PQR SR.943622-003
WEIGEL    備件    674.110.00  EQ48K Sonder-MB: 0-250/500 mA  Skala: 0-250/500 mA
WEIGEL    備件    EQ72K 100/5A 600V
WEIGEL    電流表    EQ72K  50/100/5A
WEIGEL    電流表    EQ96-X            CT   80/5A    scale 0—80A  2倍過載  無紅線
WEIGEL    電流表    PQ96K 0-10V:=0-150A
WEIGEL    電壓表    EQ72 0~500V
WEIGEL    備件    114-50HZ-230V DRAWING NO:0130-S SN:294033
WEIGEL    備件    LSP96K
WEIGEL    備件    PQ 72 INPUT-10V DC
WEIGEL    電壓表    PQ96K-+/-30VDC
WEIGEL    電流表    EQ72K 150A 0-100% 帶互感器
WEIGEL    電流表    RW96MIN/MAX 0-1A 230V AC
WEIGEL    電壓表    PQ96K 0-10V 0-120% POTI (0-10VDC/1mA + scale 0-120% w.pot )
WEIGEL    備件    PQ48K CA
WEIGEL    電流表    PQ96K 10V 0-8000

WEIGEL電流表EQ72K  50/100/5A翊(yi)霈(pei)代理供應

WEIGEL電流表EQ72K  50/100/5A翊霈代(dai)理供應