電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)是(shi)(shi)(shi)根據(ju)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導體在(zai)(zai)磁(ci)(ci)(ci)(ci)場(chang)中受(shou)磁(ci)(ci)(ci)(ci)場(chang)力(li)的(de)(de)(de)(de)(de)(de)(de)作用(yong)(yong)(yong)(yong)(yong)而(er)(er)制成的(de)(de)(de)(de)(de)(de)(de)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)內(nei)部(bu)有(you)(you)一(yi)永磁(ci)(ci)(ci)(ci)體，在(zai)(zai)極間產(chan)生(sheng)磁(ci)(ci)(ci)(ci)場(chang)，在(zai)(zai)磁(ci)(ci)(ci)(ci)場(chang)中有(you)(you)一(yi)個(ge)線(xian)圈(quan)，線(xian)圈(quan)兩(liang)端(duan)(duan)各有(you)(you)一(yi)個(ge)游(you)絲彈簧，彈簧各連(lian)接電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)一(yi)個(ge)接線(xian)柱，在(zai)(zai)彈簧與(yu)線(xian)圈(quan)間由(you)一(yi)個(ge)轉軸(zhou)(zhou)連(lian)接，在(zai)(zai)轉軸(zhou)(zhou)相對(dui)于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)前端(duan)(duan)，有(you)(you)一(yi)個(ge)指(zhi)(zhi)針(zhen)(zhen)(zhen)。當有(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)通(tong)過(guo)時，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)沿彈簧、轉軸(zhou)(zhou)通(tong)過(guo)磁(ci)(ci)(ci)(ci)場(chang)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)切磁(ci)(ci)(ci)(ci)感線(xian)，所以(yi)(yi)受(shou)磁(ci)(ci)(ci)(ci)場(chang)力(li)的(de)(de)(de)(de)(de)(de)(de)作用(yong)(yong)(yong)(yong)(yong)，使線(xian)圈(quan)發生(sheng)偏(pian)轉，帶動(dong)轉軸(zhou)(zhou)、指(zhi)(zhi)針(zhen)(zhen)(zhen)偏(pian)轉。由(you)于(yu)(yu)磁(ci)(ci)(ci)(ci)場(chang)力(li)的(de)(de)(de)(de)(de)(de)(de)大(da)小(xiao)隨電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)增大(da)而(er)(er)增大(da)，所以(yi)(yi)就(jiu)可以(yi)(yi)通(tong)過(guo)指(zhi)(zhi)針(zhen)(zhen)(zhen)的(de)(de)(de)(de)(de)(de)(de)偏(pian)轉程(cheng)度來觀察(cha)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)大(da)小(xiao)。一(yi)般可直接測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)微安或(huo)毫(hao)安數量(liang)(liang)(liang)(liang)(liang)級的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，為(wei)測(ce)(ce)(ce)(ce)更大(da)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)應有(you)(you)并聯(lian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)器(qi)(qi)（又稱分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)）。主要(yao)采(cai)用(yong)(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou)。分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值(zhi)要(yao)使滿(man)(man)量(liang)(liang)(liang)(liang)(liang)程(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)通(tong)過(guo)時，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)滿(man)(man)偏(pian)轉，即(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)指(zhi)(zhi)示(shi)達到最大(da)。對(dui)于(yu)(yu)幾安的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)內(nei)設置(zhi)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。對(dui)于(yu)(yu)幾安以(yi)(yi)上的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，則采(cai)用(yong)(yong)(yong)(yong)(yong)外(wai)附(fu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值(zhi)很小(xiao)，為(wei)避(bi)免引線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)和接觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)附(fu)加于(yu)(yu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)而(er)(er)引起誤(wu)差，分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)要(yao)制成四端(duan)(duan)形式(shi)(shi)，即(ji)有(you)(you)兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)端(duan)(duan)，兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)端(duan)(duan)。直流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)主要(yao)采(cai)用(yong)(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou)(見機(ji)械式(shi)(shi)指(zhi)(zhi)示(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou))，這(zhe)些(xie)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)基本量(liang)(liang)(liang)(liang)(liang)是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可用(yong)(yong)(yong)(yong)(yong)來直接測(ce)(ce)(ce)(ce)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對(dui)于(yu)(yu)大(da)量(liang)(liang)(liang)(liang)(liang)值(zhi)的(de)(de)(de)(de)(de)(de)(de)直流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou)要(yao)使用(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)，也就(jiu)是(shi)(shi)(shi)并聯(lian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)。它(ta)的(de)(de)(de)(de)(de)(de)(de)作用(yong)(yong)(yong)(yong)(yong)是(shi)(shi)(shi)將大(da)部(bu)分(fen)(fen)(fen)(fen)被測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對(dui)約10A以(yi)(yi)下(xia)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)多采(cai)用(yong)(yong)(yong)(yong)(yong)內(nei)附(fu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi);對(dui)更大(da)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)，則使用(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。它(ta)采(cai)取四端(duan)(duan)結構(gou)(gou)(gou)(圖a)，具有(you)(you)兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)端(duan)(duan)，兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端(duan)(duan)。交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)可采(cai)用(yong)(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)系(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou)。為(wei)使磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(gou)(gou)(gou)也能用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可利用(yong)(yong)(yong)(yong)(yong)整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)或(huo)熱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶等器(qi)(qi)件(jian)先將交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉換為(wei)直流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由(you)它(ta)們(men)組合(he)而(er)(er)成的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)分(fen)(fen)(fen)(fen)別(bie)稱為(wei)整流(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(見整流(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao))、熱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)。為(wei)擴大(da)量(liang)(liang)(liang)(liang)(liang)程(cheng)以(yi)(yi)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，整流(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)也采(cai)用(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)做(zuo)法同前;電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)系(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)則是(shi)(shi)(shi)加粗線(xian)圈(quan)導線(xian)、減少匝數。對(dui)于(yu)(yu)更大(da)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)需配合(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)互感器(qi)(qi)使用(yong)(yong)(yong)(yong)(yong)。通(tong)常可利用(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)和交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數字(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)表(biao)(biao)(biao)(biao)(biao)(biao)構(gou)(gou)(gou)成交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數字(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)。

繼(ji)電(dian)器(qi)(qi)（英文名稱(cheng)(cheng)：relay）是(shi)一(yi)種(zhong)電(dian)控(kong)制器(qi)(qi)件，是(shi)當輸(shu)入(ru)量(liang)（激勵量(liang)）的(de)(de)變(bian)化(hua)(hua)達到規定要求時(shi)，在(zai)(zai)(zai)電(dian)氣輸(shu)出電(dian)路(lu)(lu)中(zhong)(zhong)(zhong)使被(bei)控(kong)量(liang)發生預定的(de)(de)階躍變(bian)化(hua)(hua)的(de)(de)一(yi)種(zhong)電(dian)器(qi)(qi)。它(ta)具(ju)有控(kong)制系統（又(you)稱(cheng)(cheng)輸(shu)入(ru)回(hui)(hui)路(lu)(lu)）和(he)被(bei)控(kong)制系統（又(you)稱(cheng)(cheng)輸(shu)出回(hui)(hui)路(lu)(lu)）之間的(de)(de)互動(dong)(dong)關(guan)系。通常應用于自(zi)(zi)動(dong)(dong)化(hua)(hua)的(de)(de)控(kong)制電(dian)路(lu)(lu)中(zhong)(zhong)(zhong)，它(ta)實際上是(shi)用小電(dian)流(liu)去(qu)控(kong)制大電(dian)流(liu)運作(zuo)(zuo)的(de)(de)一(yi)種(zhong)“自(zi)(zi)動(dong)(dong)開關(guan)”。故在(zai)(zai)(zai)電(dian)路(lu)(lu)中(zhong)(zhong)(zhong)起著(zhu)自(zi)(zi)動(dong)(dong)調節(jie)、安全保(bao)護、轉換(huan)電(dian)路(lu)(lu)等作(zuo)(zuo)用。繼(ji)電(dian)器(qi)(qi)線圈(quan)在(zai)(zai)(zai)電(dian)路(lu)(lu)中(zhong)(zhong)(zhong)用一(yi)個長(chang)方框(kuang)(kuang)符(fu)(fu)(fu)號(hao)表示，如果繼(ji)電(dian)器(qi)(qi)有兩(liang)個線圈(quan)，就畫(hua)兩(liang)個并(bing)列的(de)(de)長(chang)方框(kuang)(kuang)。同時(shi)在(zai)(zai)(zai)長(chang)方框(kuang)(kuang)內或長(chang)方框(kuang)(kuang)旁標(biao)上繼(ji)電(dian)器(qi)(qi)的(de)(de)文字符(fu)(fu)(fu)號(hao)“J”。繼(ji)電(dian)器(qi)(qi)的(de)(de)觸(chu)(chu)(chu)點(dian)(dian)有兩(liang)種(zhong)表示方法(fa)(fa)：一(yi)種(zhong)是(shi)把它(ta)們直接畫(hua)在(zai)(zai)(zai)長(chang)方框(kuang)(kuang)一(yi)側，這種(zhong)表示法(fa)(fa)較為直觀(guan)。另一(yi)種(zhong)是(shi)按照電(dian)路(lu)(lu)連接的(de)(de)需要，把各個觸(chu)(chu)(chu)點(dian)(dian)分別畫(hua)到各自(zi)(zi)的(de)(de)控(kong)制電(dian)路(lu)(lu)中(zhong)(zhong)(zhong)，通常在(zai)(zai)(zai)同一(yi)繼(ji)電(dian)器(qi)(qi)的(de)(de)觸(chu)(chu)(chu)點(dian)(dian)與線圈(quan)旁分別標(biao)注(zhu)上相同的(de)(de)文字符(fu)(fu)(fu)號(hao)，并(bing)將觸(chu)(chu)(chu)點(dian)(dian)組編上號(hao)碼，以示區別。

WEIGEL    備件    DPA 10-31E10G
WEIGEL    電流表    UH230V-48 62HZ MAX 12VA
WEIGEL    儀表    TUA 2.2 UEN=60 mV  operating voltage :max. 519 V AC max. 300 V DC max. 300 V DC max. 300 V DC max.300 V DC 0 ... 12 V / IAN
WEIGEL    電壓表    DSA13-NA40/A12R-16
WEIGEL    電流表    LSP96K
WEIGEL    備件    LSP144
WEIGEL    備件    WEG.PQ48K 0-40microA analog meter with moving-coil movement 90°
WEIGEL    傳感器    XITA100MHV80
WEIGEL    備件    AU2.0 10 5 H0
WEIGEL    分流器    FLQ1017B2-300A
WEIGEL    備件    DSA13-NA50/AIRR-02
WEIGEL    變送器    VIU2.2 輸入0-115V 48-62HZ 輸出4-20MA 工作電源Vh195-293v
WEIGEL    油缸行程顯示器    DAS10-40PIR
WEIGEL    電流轉換器    AUE2.2  0-1A 4-20mA
WEIGEL    儀表    PQ96 60-0-60MV
WEIGEL    傳感器    PQ96K 40-0-40mv
WEIGEL    moving coil mechanism    Ordering Ordering Code:GQ96RS(3-15kV) Suitable for voltage transf 11.5kv/110v Scale:3-15kV
WEIGEL    油缸行程顯示器    DAS10-40PIR
WEIGEL    數顯表    DPA14-31A10R-4-M
WEIGEL    分流器    額定電流50A 直流輸出要60mV 可以短時耐受5倍的過流
WEIGEL    間隙顯示器    DSA13-NP40/C1R-07
WEIGEL    備件    DPA 10-31E10G
WEIGEL    電流表    BIEQ 72K 15min 1250/1A
WEIGEL    雙指針表    PSQ48 4-20mA.DC（帶調零裝置）90°Analog indicator 2 coils 雙指針表
WEIGEL    備件    WQ96RS SCALE:0-24KV
WEIGEL    表    EQ48K 0-250/500MA
WEIGEL    電流表    EQ96K  0...5/10A
WEIGEL    傳感器    PQ96K 0-40V
WEIGEL    電流表    RW96min-max 0-1.0A   表盤尺寸95*95mm
WEIGEL    顯示器    DAS10-40P1R S-Nr.943622-003
WEIGEL    顯示器    DAS10-40P1R S-Nr.943622-003
WEIGEL    備件    VUW2.1
WEIGEL    備件    Type: AU2.0 Nr: 21090803 0.5A48.62Hz 0.20mA
WEIGEL    電壓轉換器    AU2.0  0-1A
WEIGEL    電壓轉換器    AU2.0  0-1A
WEIGEL    電流表    EQ48 150/5A
WEIGEL    電流表    EQ 72K   N/1A AC
WEIGEL    拉速表    HR-WP-XC401-00-19-W
WEIGEL    備件    114-50HZ-230V DRAWING NO:0130-S SN:294033
WEIGEL    功率因素表    DUW2.1
WEIGEL    備件    EQ48-MESSB:10A-SKALA:0-10A+STTX*
WEIGEL    表    RW96MIN/MAX MA AC  UH230V AC 0-1 A
WEIGEL    分流器    800.4418.S.C18.5KA.30mV
WEIGEL    備件    MP96 24K CA
WEIGEL    數顯表    DPA14-31A10R-4-M
WEIGEL    備件    EQ96K 0-1A =》0-1600A
WEIGEL    分流器    KL0.5，2000Amp/150MV
WEIGEL    電流表    LSP96K
WEIGEL    備件    EQ72-X  5A  5/10A
WEIGEL    備件    AU2.0 Input: 0...1A  Output: 0...20mA
WEIGEL    備件    WGL.RN.060MV/1000A_05_B  Shunt resistance 60 mV / 1000 A  Class 0.5  to DIN 43 703  type B   60 mV / 1000 A
WEIGEL    電壓表    PSQ72 Msuring range DC 0-2000V WINDOWS
WEIGEL    備件    AU2.0 Input: 0...1A  Output: 0...20mA
WEIGEL    備件    FQ96/2
WEIGEL    變送(song)器    PTU2.OS 17 26 41 H3

WEIGEL電流轉換器AUE2.24-20mA翊霈代理供應

WEIGEL電流轉換器AUE2.24-20mA翊霈代理供應