電(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)(biao)(biao)(biao)(biao)是(shi)(shi)根據通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導體(ti)在磁(ci)場中受磁(ci)場力的(de)(de)作(zuo)(zuo)用(yong)(yong)而制成的(de)(de)。電(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)(biao)(biao)(biao)(biao)內(nei)部有(you)(you)一(yi)(yi)(yi)永磁(ci)體(ti)，在極間產生磁(ci)場，在磁(ci)場中有(you)(you)一(yi)(yi)(yi)個(ge)(ge)線圈(quan)，線圈(quan)兩端(duan)(duan)各有(you)(you)一(yi)(yi)(yi)個(ge)(ge)游絲(si)彈(dan)(dan)簧，彈(dan)(dan)簧各連接(jie)(jie)(jie)電(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)(biao)(biao)(biao)(biao)的(de)(de)一(yi)(yi)(yi)個(ge)(ge)接(jie)(jie)(jie)線柱，在彈(dan)(dan)簧與線圈(quan)間由一(yi)(yi)(yi)個(ge)(ge)轉(zhuan)(zhuan)(zhuan)軸(zhou)(zhou)連接(jie)(jie)(jie)，在轉(zhuan)(zhuan)(zhuan)軸(zhou)(zhou)相(xiang)對(dui)(dui)于電(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)(biao)(biao)(biao)(biao)的(de)(de)前(qian)端(duan)(duan)，有(you)(you)一(yi)(yi)(yi)個(ge)(ge)指(zhi)(zhi)針。當有(you)(you)電(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)(tong)過(guo)時(shi)，電(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(dan)(dan)簧、轉(zhuan)(zhuan)(zhuan)軸(zhou)(zhou)通(tong)(tong)(tong)過(guo)磁(ci)場，電(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(ci)感(gan)線，所(suo)以(yi)(yi)(yi)受磁(ci)場力的(de)(de)作(zuo)(zuo)用(yong)(yong)，使(shi)線圈(quan)發生偏轉(zhuan)(zhuan)(zhuan)，帶動(dong)(dong)轉(zhuan)(zhuan)(zhuan)軸(zhou)(zhou)、指(zhi)(zhi)針偏轉(zhuan)(zhuan)(zhuan)。由于磁(ci)場力的(de)(de)大(da)(da)(da)(da)(da)小隨(sui)電(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)(da)而增大(da)(da)(da)(da)(da)，所(suo)以(yi)(yi)(yi)就(jiu)可(ke)以(yi)(yi)(yi)通(tong)(tong)(tong)過(guo)指(zhi)(zhi)針的(de)(de)偏轉(zhuan)(zhuan)(zhuan)程(cheng)度來觀察電(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)(da)小。一(yi)(yi)(yi)般可(ke)直(zhi)(zhi)(zhi)接(jie)(jie)(jie)測(ce)(ce)(ce)量(liang)(liang)(liang)微(wei)安(an)或(huo)毫安(an)數量(liang)(liang)(liang)級(ji)的(de)(de)電(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)(wei)測(ce)(ce)(ce)更大(da)(da)(da)(da)(da)的(de)(de)電(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)應(ying)有(you)(you)并聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)器(qi)（又稱(cheng)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)）。主(zhu)要采(cai)用(yong)(yong)磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)。分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值要使(shi)滿(man)量(liang)(liang)(liang)程(cheng)電(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)(tong)過(guo)時(shi)，電(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)(biao)(biao)(biao)(biao)滿(man)偏轉(zhuan)(zhuan)(zhuan)，即電(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)(biao)(biao)(biao)(biao)指(zhi)(zhi)示達到(dao)最大(da)(da)(da)(da)(da)。對(dui)(dui)于幾安(an)的(de)(de)電(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)在電(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)(biao)(biao)(biao)(biao)內(nei)設置(zhi)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)。對(dui)(dui)于幾安(an)以(yi)(yi)(yi)上(shang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，則(ze)采(cai)用(yong)(yong)外附分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)。大(da)(da)(da)(da)(da)電(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)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值很小，為(wei)(wei)避(bi)免(mian)引線電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)和接(jie)(jie)(jie)觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)附加于分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)而引起誤差，分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)要制成四端(duan)(duan)形式(shi)(shi)(shi)(shi)，即有(you)(you)兩個(ge)(ge)電(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)(duan)，兩個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓端(duan)(duan)。直(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(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)(biao)(biao)(biao)(biao)主(zhu)要采(cai)用(yong)(yong)磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)系(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)(見機(ji)(ji)械式(shi)(shi)(shi)(shi)指(zhi)(zhi)示電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou))，這些測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)的(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)基本量(liang)(liang)(liang)是(shi)(shi)電(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)來直(zhi)(zhi)(zhi)接(jie)(jie)(jie)測(ce)(ce)(ce)小電(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)于大(da)(da)(da)(da)(da)量(liang)(liang)(liang)值的(de)(de)直(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)要使(shi)用(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)，也就(jiu)是(shi)(shi)并聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)。它(ta)的(de)(de)作(zuo)(zuo)用(yong)(yong)是(shi)(shi)將大(da)(da)(da)(da)(da)部分(fen)(fen)(fen)被測(ce)(ce)(ce)電(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10A以(yi)(yi)(yi)下的(de)(de)電(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)內(nei)附分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi);對(dui)(dui)更大(da)(da)(da)(da)(da)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值，則(ze)使(shi)用(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)。它(ta)采(cai)取四端(duan)(duan)結(jie)構(gou)(gou)(圖a)，具(ju)有(you)(you)兩個(ge)(ge)電(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)(duan)，兩個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)端(duan)(duan)。交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(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)(biao)(biao)(biao)(biao)可(ke)采(cai)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)系(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)系(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)。為(wei)(wei)使(shi)磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)也能用(yong)(yong)于測(ce)(ce)(ce)量(liang)(liang)(liang)交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(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)(li)用(yong)(yong)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)或(huo)熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶等器(qi)件(jian)先(xian)將交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉(zhuan)(zhuan)(zhuan)換為(wei)(wei)直(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由它(ta)們組(zu)合而成的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)分(fen)(fen)(fen)別(bie)稱(cheng)為(wei)(wei)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)電(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)(biao)(biao)(biao)(biao)(見整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao))、熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)式(shi)(shi)(shi)(shi)電(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)(biao)(biao)(biao)(biao)。為(wei)(wei)擴大(da)(da)(da)(da)(da)量(liang)(liang)(liang)程(cheng)以(yi)(yi)(yi)測(ce)(ce)(ce)量(liang)(liang)(liang)大(da)(da)(da)(da)(da)電(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(shi)電(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)(biao)(biao)(biao)(biao)也采(cai)用(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)系(xi)(xi)電(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)(biao)(biao)(biao)(biao)的(de)(de)做(zuo)法同(tong)前(qian);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)系(xi)(xi)電(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)(biao)(biao)(biao)(biao)則(ze)是(shi)(shi)加粗線圈(quan)導線、減(jian)少匝數。對(dui)(dui)于更大(da)(da)(da)(da)(da)的(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值需配(pei)合電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)互(hu)感(gan)器(qi)使(shi)用(yong)(yong)。通(tong)(tong)(tong)常可(ke)利(li)(li)用(yong)(yong)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)和交流(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)壓表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)構(gou)(gou)成交流(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)。

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)（Motor）是(shi)(shi)(shi)把電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能轉(zhuan)(zhuan)(zhuan)(zhuan)換成(cheng)機(ji)(ji)(ji)(ji)(ji)械能的(de)(de)(de)一種設備(bei)。它是(shi)(shi)(shi)利(li)用(yong)(yong)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線圈(quan)（也就是(shi)(shi)(shi)定(ding)子(zi)(zi)繞組）產生(sheng)旋轉(zhuan)(zhuan)(zhuan)(zhuan)磁場并(bing)(bing)作(zuo)用(yong)(yong)于轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)（如鼠籠式閉合鋁框）形成(cheng)磁電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)力(li)旋轉(zhuan)(zhuan)(zhuan)(zhuan)扭矩。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)按(an)使用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源不同(tong)分(fen)(fen)為(wei)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)和(he)交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)系統中的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)大部分(fen)(fen)是(shi)(shi)(shi)交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)，可(ke)以是(shi)(shi)(shi)同(tong)步(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)或者是(shi)(shi)(shi)異(yi)步(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)（電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)定(ding)子(zi)(zi)磁場轉(zhuan)(zhuan)(zhuan)(zhuan)速與(yu)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)旋轉(zhuan)(zhuan)(zhuan)(zhuan)轉(zhuan)(zhuan)(zhuan)(zhuan)速不保持同(tong)步(bu)速）。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)主(zhu)(zhu)要由定(ding)子(zi)(zi)與(yu)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)組成(cheng)，通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)導線在磁場中受力(li)運動(dong)(dong)(dong)(dong)的(de)(de)(de)方(fang)向(xiang)(xiang)跟電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)方(fang)向(xiang)(xiang)和(he)磁感(gan)線（磁場方(fang)向(xiang)(xiang)）方(fang)向(xiang)(xiang)有關(guan)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)工(gong)作(zuo)原理是(shi)(shi)(shi)磁場對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)受力(li)的(de)(de)(de)作(zuo)用(yong)(yong)，使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)。變(bian)頻(pin)器(qi)是(shi)(shi)(shi)現代電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)控制(zhi)領域技術(shu)(shu)含量高，控制(zhi)功能全、控制(zhi)效果(guo)好(hao)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)控制(zhi)裝置，它通(tong)過改變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網的(de)(de)(de)頻(pin)率來調節(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)速和(he)轉(zhuan)(zhuan)(zhuan)(zhuan)矩。因(yin)為(wei)涉及(ji)到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)技術(shu)(shu)，微機(ji)(ji)(ji)(ji)(ji)技術(shu)(shu)，因(yin)此成(cheng)本高，對維護技術(shu)(shu)人員(yuan)的(de)(de)(de)要求也高，因(yin)此主(zhu)(zhu)要用(yong)(yong)在需要調速并(bing)(bing)且對速度控制(zhi)要求高的(de)(de)(de)領域。直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)是(shi)(shi)(shi)將直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能轉(zhuan)(zhuan)(zhuan)(zhuan)換為(wei)機(ji)(ji)(ji)(ji)(ji)械能的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)。因(yin)其良好(hao)的(de)(de)(de)調速性能而(er)在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)拖動(dong)(dong)(dong)(dong)中得到廣(guang)泛(fan)應用(yong)(yong)。直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)按(an)勵(li)(li)(li)(li)磁方(fang)式分(fen)(fen)為(wei)永磁、他勵(li)(li)(li)(li)和(he)自勵(li)(li)(li)(li)3類，其中自勵(li)(li)(li)(li)又分(fen)(fen)為(wei)并(bing)(bing)勵(li)(li)(li)(li)、串勵(li)(li)(li)(li)和(he)復勵(li)(li)(li)(li)3種。交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)是(shi)(shi)(shi)一種將交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能轉(zhuan)(zhuan)(zhuan)(zhuan)變(bian)為(wei)機(ji)(ji)(ji)(ji)(ji)械能的(de)(de)(de)裝置。交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)主(zhu)(zhu)要由一個用(yong)(yong)以產生(sheng)磁場的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁鐵繞組或分(fen)(fen)布的(de)(de)(de)定(ding)子(zi)(zi)繞組和(he)一個旋轉(zhuan)(zhuan)(zhuan)(zhuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)樞或轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)組成(cheng)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)利(li)用(yong)(yong)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線圈(quan)在磁場中受力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)的(de)(de)(de)現象(xiang)而(er)制(zhi)成(cheng)的(de)(de)(de)。交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)分(fen)(fen)為(wei)同(tong)步(bu)交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)和(he)感(gan)應電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)兩(liang)種。

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Q96K5A(10)400/5A翊霈代理供應

WEIGEL電流表Q96K5A(10)400/5A翊霈代理供應