電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)是(shi)根據(ju)通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導體在(zai)磁場(chang)(chang)中(zhong)(zhong)受磁場(chang)(chang)力(li)的(de)(de)作(zuo)用(yong)(yong)(yong)而(er)制成(cheng)的(de)(de)。電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)內部有(you)一(yi)(yi)(yi)永(yong)磁體，在(zai)極(ji)間(jian)產(chan)生(sheng)磁場(chang)(chang)，在(zai)磁場(chang)(chang)中(zhong)(zhong)有(you)一(yi)(yi)(yi)個(ge)線(xian)(xian)圈(quan)，線(xian)(xian)圈(quan)兩(liang)(liang)端(duan)各(ge)有(you)一(yi)(yi)(yi)個(ge)游絲彈簧(huang)，彈簧(huang)各(ge)連接電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)的(de)(de)一(yi)(yi)(yi)個(ge)接線(xian)(xian)柱，在(zai)彈簧(huang)與線(xian)(xian)圈(quan)間(jian)由一(yi)(yi)(yi)個(ge)轉(zhuan)軸(zhou)連接，在(zai)轉(zhuan)軸(zhou)相對(dui)(dui)于(yu)(yu)電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)的(de)(de)前(qian)端(duan)，有(you)一(yi)(yi)(yi)個(ge)指(zhi)(zhi)針(zhen)。當有(you)電(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)(liu)(liu)(liu)(liu)通(tong)(tong)過時，電(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)(liu)(liu)(liu)(liu)沿彈簧(huang)、轉(zhuan)軸(zhou)通(tong)(tong)過磁場(chang)(chang)，電(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)(liu)(liu)(liu)(liu)切(qie)磁感線(xian)(xian)，所(suo)以(yi)受磁場(chang)(chang)力(li)的(de)(de)作(zuo)用(yong)(yong)(yong)，使(shi)線(xian)(xian)圈(quan)發生(sheng)偏(pian)(pian)轉(zhuan)，帶動轉(zhuan)軸(zhou)、指(zhi)(zhi)針(zhen)偏(pian)(pian)轉(zhuan)。由于(yu)(yu)磁場(chang)(chang)力(li)的(de)(de)大(da)(da)(da)(da)小隨電(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)(liu)(liu)(liu)(liu)增大(da)(da)(da)(da)而(er)增大(da)(da)(da)(da)，所(suo)以(yi)就可(ke)以(yi)通(tong)(tong)過指(zhi)(zhi)針(zhen)的(de)(de)偏(pian)(pian)轉(zhuan)程度(du)來觀察電(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)(liu)(liu)(liu)(liu)的(de)(de)大(da)(da)(da)(da)小。一(yi)(yi)(yi)般可(ke)直接測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)微安或(huo)(huo)毫安數量(liang)(liang)(liang)(liang)(liang)級的(de)(de)電(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)(liu)(liu)(liu)(liu)，為(wei)測(ce)(ce)(ce)更(geng)大(da)(da)(da)(da)的(de)(de)電(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)(liu)(liu)(liu)(liu)，電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)應有(you)并(bing)聯(lian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻器(qi)(qi)(qi)(qi)(qi)（又稱分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)）。主(zhu)要采(cai)用(yong)(yong)(yong)磁電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)的(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構。分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)要使(shi)滿(man)量(liang)(liang)(liang)(liang)(liang)程電(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)(liu)(liu)(liu)(liu)通(tong)(tong)過時，電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)滿(man)偏(pian)(pian)轉(zhuan)，即電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)指(zhi)(zhi)示達到(dao)最大(da)(da)(da)(da)。對(dui)(dui)于(yu)(yu)幾安的(de)(de)電(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)(liu)(liu)(liu)(liu)，可(ke)在(zai)電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)內設置分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)。對(dui)(dui)于(yu)(yu)幾安以(yi)上的(de)(de)電(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)(liu)(liu)(liu)(liu)，則采(cai)用(yong)(yong)(yong)外(wai)附分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)。大(da)(da)(da)(da)電(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)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)很小，為(wei)避免引(yin)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻和接觸(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻附加于(yu)(yu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)而(er)引(yin)起誤差，分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)要制成(cheng)四(si)端(duan)形式(shi)(shi)，即有(you)兩(liang)(liang)個(ge)電(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)(liu)(liu)(liu)(liu)端(duan)，兩(liang)(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓端(duan)。直流(liu)(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)主(zhu)要采(cai)用(yong)(yong)(yong)磁電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)或(huo)(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)(xi)(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構(見機(ji)械式(shi)(shi)指(zhi)(zhi)示電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構)，這(zhe)些測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構的(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)基本量(liang)(liang)(liang)(liang)(liang)是(shi)電(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)(liu)(liu)(liu)(liu)，可(ke)用(yong)(yong)(yong)來直接測(ce)(ce)(ce)小電(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)(liu)(liu)(liu)(liu)。對(dui)(dui)于(yu)(yu)大(da)(da)(da)(da)量(liang)(liang)(liang)(liang)(liang)值(zhi)的(de)(de)直流(liu)(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，磁電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構要使(shi)用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)，也(ye)(ye)就是(shi)并(bing)聯(lian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻。它的(de)(de)作(zuo)用(yong)(yong)(yong)是(shi)將(jiang)大(da)(da)(da)(da)部分(fen)(fen)(fen)被測(ce)(ce)(ce)電(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)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對(dui)(dui)約(yue)10A以(yi)下(xia)的(de)(de)電(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)(liu)(liu)(liu)(liu)多采(cai)用(yong)(yong)(yong)內附分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi);對(dui)(dui)更(geng)大(da)(da)(da)(da)的(de)(de)電(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)(liu)(liu)(liu)(liu)值(zhi)，則使(shi)用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)。它采(cai)取四(si)端(duan)結(jie)構(圖(tu)a)，具有(you)兩(liang)(liang)個(ge)電(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)(liu)(liu)(liu)(liu)端(duan)，兩(liang)(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端(duan)。交(jiao)(jiao)流(liu)(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)可(ke)采(cai)用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁系(xi)(xi)(xi)(xi)或(huo)(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)(xi)(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構。為(wei)使(shi)磁電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)構也(ye)(ye)能用(yong)(yong)(yong)于(yu)(yu)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)利(li)用(yong)(yong)(yong)整(zheng)(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)或(huo)(huo)熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)等器(qi)(qi)(qi)(qi)(qi)件先將(jiang)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉(zhuan)換(huan)為(wei)直流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由它們(men)組合而(er)成(cheng)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)分(fen)(fen)(fen)別(bie)稱為(wei)整(zheng)(zheng)流(liu)(liu)(liu)(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(見整(zheng)(zheng)流(liu)(liu)(liu)(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao))、熱(re)電(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)。為(wei)擴大(da)(da)(da)(da)量(liang)(liang)(liang)(liang)(liang)程以(yi)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)大(da)(da)(da)(da)電(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)(liu)(liu)(liu)(liu)，整(zheng)(zheng)流(liu)(liu)(liu)(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)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)也(ye)(ye)采(cai)用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)(xi)(xi)(xi)電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)的(de)(de)做(zuo)法(fa)同前(qian);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁系(xi)(xi)(xi)(xi)電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)則是(shi)加粗線(xian)(xian)圈(quan)導線(xian)(xian)、減少匝數。對(dui)(dui)于(yu)(yu)更(geng)大(da)(da)(da)(da)的(de)(de)測(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)需(xu)配合電(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)(liu)(liu)(liu)(liu)互感器(qi)(qi)(qi)(qi)(qi)使(shi)用(yong)(yong)(yong)。通(tong)(tong)常(chang)可(ke)利(li)用(yong)(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)和交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數字電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓表(biao)(biao)(biao)(biao)構成(cheng)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數字電(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)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)。

繼(ji)(ji)(ji)電(dian)(dian)(dian)器(qi)（英文(wen)(wen)名(ming)稱(cheng)：relay）是一(yi)(yi)種電(dian)(dian)(dian)控(kong)制(zhi)器(qi)件，是當輸(shu)入量（激勵量）的(de)(de)(de)(de)變化(hua)達到(dao)(dao)規定要(yao)求時，在(zai)電(dian)(dian)(dian)氣輸(shu)出電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)使被控(kong)量發生預定的(de)(de)(de)(de)階(jie)躍變化(hua)的(de)(de)(de)(de)一(yi)(yi)種電(dian)(dian)(dian)器(qi)。它(ta)(ta)具有(you)控(kong)制(zhi)系(xi)統(tong)（又稱(cheng)輸(shu)入回路(lu)(lu)(lu)）和被控(kong)制(zhi)系(xi)統(tong)（又稱(cheng)輸(shu)出回路(lu)(lu)(lu)）之間的(de)(de)(de)(de)互動(dong)關(guan)系(xi)。通(tong)常(chang)應用(yong)(yong)于自(zi)動(dong)化(hua)的(de)(de)(de)(de)控(kong)制(zhi)電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)，它(ta)(ta)實際上是用(yong)(yong)小電(dian)(dian)(dian)流(liu)去控(kong)制(zhi)大(da)電(dian)(dian)(dian)流(liu)運作(zuo)的(de)(de)(de)(de)一(yi)(yi)種“自(zi)動(dong)開關(guan)”。故在(zai)電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)起著自(zi)動(dong)調節、安全保護、轉換電(dian)(dian)(dian)路(lu)(lu)(lu)等作(zuo)用(yong)(yong)。繼(ji)(ji)(ji)電(dian)(dian)(dian)器(qi)線(xian)圈(quan)(quan)在(zai)電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)用(yong)(yong)一(yi)(yi)個(ge)(ge)長(chang)方(fang)(fang)(fang)框(kuang)符(fu)號表(biao)示，如果(guo)繼(ji)(ji)(ji)電(dian)(dian)(dian)器(qi)有(you)兩個(ge)(ge)線(xian)圈(quan)(quan)，就畫(hua)兩個(ge)(ge)并列的(de)(de)(de)(de)長(chang)方(fang)(fang)(fang)框(kuang)。同時在(zai)長(chang)方(fang)(fang)(fang)框(kuang)內或長(chang)方(fang)(fang)(fang)框(kuang)旁標上繼(ji)(ji)(ji)電(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)文(wen)(wen)字符(fu)號“J”。繼(ji)(ji)(ji)電(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)觸點有(you)兩種表(biao)示方(fang)(fang)(fang)法：一(yi)(yi)種是把它(ta)(ta)們直接畫(hua)在(zai)長(chang)方(fang)(fang)(fang)框(kuang)一(yi)(yi)側，這種表(biao)示法較為直觀。另一(yi)(yi)種是按照(zhao)電(dian)(dian)(dian)路(lu)(lu)(lu)連接的(de)(de)(de)(de)需要(yao)，把各個(ge)(ge)觸點分別(bie)畫(hua)到(dao)(dao)各自(zi)的(de)(de)(de)(de)控(kong)制(zhi)電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)，通(tong)常(chang)在(zai)同一(yi)(yi)繼(ji)(ji)(ji)電(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)觸點與線(xian)圈(quan)(quan)旁分別(bie)標注上相同的(de)(de)(de)(de)文(wen)(wen)字符(fu)號，并將觸點組編(bian)上號碼，以示區別(bie)。

WEIGEL    電器件    SHUNT 6000A/60MV/CLASS 0.5
WEIGEL    電流表    PQ96K 0-6000A
WEIGEL    電流表    BIEQ 72K 15min 1250/1A
WEIGEL    電流表    A1U2.2 INPUT：0-0.5A OUT：4-20mA 220V
WEIGEL    備件    SUS-01-Q-2/G-220DC
WEIGEL    備件    LSP144
WEIGEL    備件    DAS10-40P1R NR：943622-003
WEIGEL    備件    DA13-NA50/I12R-4
WEIGEL    電流表    EQ48 10A
WEIGEL    備件    EQ144K/1A/800A
WEIGEL    備件    EQ96K 0-1A =》0-1600A
WEIGEL    備件    DPA 10-31E10G
WEIGEL    電流表    EQ48 10A
WEIGEL    電流表    PQ96K
WEIGEL    電流表    RW96MIN/MAX 0-1A 230V AC
WEIGEL    電流表    PQ96K    +/-30VDC -+/-60mV/6;5kA
WEIGEL    壓力變送器    TYPE:V1U 2.2 SN:26057009
WEIGEL    電流表    A1U2.2 INPUT：0-0.5A OUT：4-20mA 220V
WEIGEL    功率因數表    PQ96K MESSB.4-20MA SKALA 0.5cap-1-0.5ind Power Factor Meter
WEIGEL    分流器    shunt-150mV-1000A-0.5
WEIGEL    備件    EQ144K/1A/80A
WEIGEL    功率因數變送器    DUW2.1
WEIGEL    電流變送器    電流變送器/A1U2.0
WEIGEL    位置指示器    SUS-01-Q-R/G-220DC
WEIGEL    表    P72PRS
WEIGEL    分流器    800.4418.S.C18.5KA.30mV
WEIGEL    電流表    EQ48 150/5A
WEIGEL    備件    FQ96/2
WEIGEL    電表    GQ96RS(3-15kV)   11.5 kv / 110 v
WEIGEL    電壓變送器    電壓變送器/V1U2.0
WEIGEL    備件    VUE2.2 0-500V 4-20MA  220V
WEIGEL    顯示器    DAS10-40P1R
WEIGEL    電流表    0-50mA電流表    50VCATIII
WEIGEL    電壓表    EQ72K 0~750V
WEIGEL    電器件    DMA14- 31A20R- S3
WEIGEL    分流器    SHUNT 60MV 800A， 137-9052
WEIGEL    滑差表    SY96S
WEIGEL    電流表    AMPQ72KDZS012 4-20mA Skala: 0-300A
WEIGEL    備件    PQ 72 INPUT-10V DC
WEIGEL    安裝盤    SHUNTISO.PLATE SMALL 100X60X4MM，870-92824
WEIGEL    電流表    PQ72K 0-100A 4-20mA
WEIGEL    備件    AU2.0 Input: 0...1A  Output: 0...20mA
WEIGEL    電流表    PQ96K
WEIGEL    電流表    EQ48K 15/5A
WEIGEL    電流表    LSP96K
WEIGEL    表    P72PRS
WEIGEL  ;  電流表    PQ96K

WEIGEL 電流表EQ48 10A翊霈代理供應

WEIGEL 電流表EQ48 10A翊霈代理供應