電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)是(shi)根據通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導(dao)體在(zai)磁(ci)(ci)(ci)(ci)場(chang)(chang)中受磁(ci)(ci)(ci)(ci)場(chang)(chang)力(li)的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)(yong)(yong)而制成(cheng)的(de)(de)(de)(de)(de)(de)。電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)內部有(you)一(yi)(yi)(yi)永磁(ci)(ci)(ci)(ci)體，在(zai)極間產生磁(ci)(ci)(ci)(ci)場(chang)(chang)，在(zai)磁(ci)(ci)(ci)(ci)場(chang)(chang)中有(you)一(yi)(yi)(yi)個(ge)(ge)(ge)線(xian)(xian)圈，線(xian)(xian)圈兩(liang)端(duan)(duan)(duan)各有(you)一(yi)(yi)(yi)個(ge)(ge)(ge)游(you)絲(si)彈(dan)(dan)簧，彈(dan)(dan)簧各連(lian)接(jie)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)個(ge)(ge)(ge)接(jie)線(xian)(xian)柱，在(zai)彈(dan)(dan)簧與(yu)線(xian)(xian)圈間由一(yi)(yi)(yi)個(ge)(ge)(ge)轉軸連(lian)接(jie)，在(zai)轉軸相(xiang)對(dui)(dui)于(yu)(yu)(yu)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)前(qian)端(duan)(duan)(duan)，有(you)一(yi)(yi)(yi)個(ge)(ge)(ge)指針(zhen)(zhen)。當(dang)有(you)電(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)(liu)(liu)(liu)通(tong)過(guo)(guo)時，電(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)(liu)(liu)(liu)沿彈(dan)(dan)簧、轉軸通(tong)過(guo)(guo)磁(ci)(ci)(ci)(ci)場(chang)(chang)，電(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)(liu)(liu)(liu)切磁(ci)(ci)(ci)(ci)感(gan)線(xian)(xian)，所以(yi)受磁(ci)(ci)(ci)(ci)場(chang)(chang)力(li)的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)(yong)(yong)，使(shi)線(xian)(xian)圈發生偏(pian)(pian)轉，帶動(dong)轉軸、指針(zhen)(zhen)偏(pian)(pian)轉。由于(yu)(yu)(yu)磁(ci)(ci)(ci)(ci)場(chang)(chang)力(li)的(de)(de)(de)(de)(de)(de)大(da)(da)(da)(da)小隨電(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)(liu)(liu)(liu)增大(da)(da)(da)(da)而增大(da)(da)(da)(da)，所以(yi)就(jiu)可(ke)(ke)以(yi)通(tong)過(guo)(guo)指針(zhen)(zhen)的(de)(de)(de)(de)(de)(de)偏(pian)(pian)轉程(cheng)(cheng)度來觀察(cha)電(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)(liu)(liu)(liu)的(de)(de)(de)(de)(de)(de)大(da)(da)(da)(da)小。一(yi)(yi)(yi)般(ban)可(ke)(ke)直(zhi)(zhi)接(jie)測(ce)(ce)(ce)(ce)量(liang)(liang)微安(an)或(huo)毫安(an)數量(liang)(liang)級的(de)(de)(de)(de)(de)(de)電(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)(liu)(liu)(liu)，為(wei)(wei)(wei)測(ce)(ce)(ce)(ce)更(geng)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)電(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)(liu)(liu)(liu)，電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)應有(you)并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)（又稱分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)）。主要(yao)(yao)(yao)采(cai)(cai)(cai)用(yong)(yong)(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)電(dian)(dian)(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)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)機構(gou)(gou)(gou)(gou)(gou)。分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)值要(yao)(yao)(yao)使(shi)滿量(liang)(liang)程(cheng)(cheng)電(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)(liu)(liu)(liu)通(tong)過(guo)(guo)時，電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)滿偏(pian)(pian)轉，即(ji)(ji)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)指示(shi)達到(dao)最大(da)(da)(da)(da)。對(dui)(dui)于(yu)(yu)(yu)幾安(an)的(de)(de)(de)(de)(de)(de)電(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)(liu)(liu)(liu)，可(ke)(ke)在(zai)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)內設置分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。對(dui)(dui)于(yu)(yu)(yu)幾安(an)以(yi)上(shang)的(de)(de)(de)(de)(de)(de)電(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)(liu)(liu)(liu)，則(ze)采(cai)(cai)(cai)用(yong)(yong)(yong)(yong)(yong)(yong)外附分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。大(da)(da)(da)(da)電(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)(liu)(liu)(liu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)值很小，為(wei)(wei)(wei)避免引線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)和(he)接(jie)觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)附加(jia)于(yu)(yu)(yu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)而引起誤(wu)差，分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)要(yao)(yao)(yao)制成(cheng)四(si)端(duan)(duan)(duan)形式(shi)，即(ji)(ji)有(you)兩(liang)個(ge)(ge)(ge)電(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)(liu)(liu)(liu)端(duan)(duan)(duan)，兩(liang)個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓端(duan)(duan)(duan)。直(zhi)(zhi)流(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)主要(yao)(yao)(yao)采(cai)(cai)(cai)用(yong)(yong)(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)電(dian)(dian)(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)(dian)(dian)動(dong)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機構(gou)(gou)(gou)(gou)(gou)(見機械(xie)式(shi)指示(shi)電(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)機構(gou)(gou)(gou)(gou)(gou))，這些測(ce)(ce)(ce)(ce)量(liang)(liang)機構(gou)(gou)(gou)(gou)(gou)的(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)基(ji)本量(liang)(liang)是(shi)電(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)(liu)(liu)(liu)，可(ke)(ke)用(yong)(yong)(yong)(yong)(yong)(yong)來直(zhi)(zhi)接(jie)測(ce)(ce)(ce)(ce)小電(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)(liu)(liu)(liu)。對(dui)(dui)于(yu)(yu)(yu)大(da)(da)(da)(da)量(liang)(liang)值的(de)(de)(de)(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(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)(dian)(dian)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機構(gou)(gou)(gou)(gou)(gou)要(yao)(yao)(yao)使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)，也(ye)就(jiu)是(shi)并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)。它的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)(yong)(yong)是(shi)將(jiang)大(da)(da)(da)(da)部分(fen)(fen)(fen)(fen)被測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(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)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對(dui)(dui)約10A以(yi)下的(de)(de)(de)(de)(de)(de)電(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)(liu)(liu)(liu)多(duo)采(cai)(cai)(cai)用(yong)(yong)(yong)(yong)(yong)(yong)內附分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi);對(dui)(dui)更(geng)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)電(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)(liu)(liu)(liu)值，則(ze)使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。它采(cai)(cai)(cai)取四(si)端(duan)(duan)(duan)結構(gou)(gou)(gou)(gou)(gou)(圖a)，具(ju)有(you)兩(liang)個(ge)(ge)(ge)電(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)(liu)(liu)(liu)端(duan)(duan)(duan)，兩(liang)個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端(duan)(duan)(duan)。交(jiao)流(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)可(ke)(ke)采(cai)(cai)(cai)用(yong)(yong)(yong)(yong)(yong)(yong)電(dian)(dian)(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)(dian)(dian)動(dong)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機構(gou)(gou)(gou)(gou)(gou)。為(wei)(wei)(wei)使(shi)磁(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機構(gou)(gou)(gou)(gou)(gou)也(ye)能(neng)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)測(ce)(ce)(ce)(ce)量(liang)(liang)交(jiao)流(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)(ke)利用(yong)(yong)(yong)(yong)(yong)(yong)整(zheng)(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)或(huo)熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶等器(qi)(qi)件先將(jiang)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉換(huan)為(wei)(wei)(wei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由它們組(zu)合而成(cheng)的(de)(de)(de)(de)(de)(de)電(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)別稱為(wei)(wei)(wei)整(zheng)(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(見整(zheng)(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao))、熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)式(shi)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)。為(wei)(wei)(wei)擴(kuo)大(da)(da)(da)(da)量(liang)(liang)程(cheng)(cheng)以(yi)測(ce)(ce)(ce)(ce)量(liang)(liang)大(da)(da)(da)(da)電(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)(liu)(liu)(liu)，整(zheng)(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)也(ye)采(cai)(cai)(cai)用(yong)(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(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)動(dong)系(xi)(xi)(xi)電(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)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)做法同前(qian);電(dian)(dian)(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)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)則(ze)是(shi)加(jia)粗線(xian)(xian)圈導(dao)線(xian)(xian)、減少(shao)匝數。對(dui)(dui)于(yu)(yu)(yu)更(geng)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)電(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)(liu)(liu)(liu)值需(xu)配合電(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)(liu)(liu)(liu)互感(gan)器(qi)(qi)使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)。通(tong)常可(ke)(ke)利用(yong)(yong)(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)和(he)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(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)壓表(biao)(biao)(biao)(biao)(biao)(biao)構(gou)(gou)(gou)(gou)(gou)成(cheng)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)。

壓(ya)(ya)(ya)力(li)(li)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)采用(yong)高(gao)(gao)精(jing)(jing)度、高(gao)(gao)穩定性能的(de)(de)(de)壓(ya)(ya)(ya)力(li)(li)傳感器(qi)和(he)(he)變(bian)送電(dian)路，再經 CPU模塊(kuai)化信(xin)號(hao)(hao)(hao)(hao)處理(li)技(ji)術，實現對(dui)介質壓(ya)(ya)(ya)力(li)(li)信(xin)號(hao)(hao)(hao)(hao)的(de)(de)(de)檢(jian)測(ce)(ce)、顯示、報警(jing)(jing)和(he)(he)控(kong)(kong)制(zhi)信(xin)號(hao)(hao)(hao)(hao)輸出(chu)。壓(ya)(ya)(ya)力(li)(li)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)可(ke)以廣泛用(yong)于石油、化工(gong)、冶(ye)(ye)金(jin)、電(dian)力(li)(li)、供(gong)水等(deng)領域中(zhong)(zhong)對(dui)各種氣(qi)體、液(ye)(ye)體的(de)(de)(de)表壓(ya)(ya)(ya)、絕壓(ya)(ya)(ya)的(de)(de)(de)測(ce)(ce)量控(kong)(kong)制(zhi)，是工(gong)業現場理(li)想的(de)(de)(de)智能化測(ce)(ce)控(kong)(kong)儀表。壓(ya)(ya)(ya)力(li)(li)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)是與電(dian)器(qi)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)相(xiang)結合(he)的(de)(de)(de)裝置，當(dang)(dang)到達預(yu)先(xian)設(she)定的(de)(de)(de)流體壓(ya)(ya)(ya)力(li)(li)時(shi)(shi)(shi)，開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)接(jie)(jie)點動(dong)(dong)(dong)(dong)作。主(zhu)要(yao)應用(yong)于電(dian)廠、石化、冶(ye)(ye)金(jin)行業等(deng)工(gong)業設(she)備上輸出(chu)報警(jing)(jing)或(huo)控(kong)(kong)制(zhi)信(xin)號(hao)(hao)(hao)(hao)，在工(gong)業領域中(zhong)(zhong)有著(zhu)重要(yao)的(de)(de)(de)用(yong)途，能預(yu)防生產工(gong)程中(zhong)(zhong)重要(yao)裝置的(de)(de)(de)損壞，避免了重大(da)生產事(shi)故地(di)發(fa)生。電(dian)子壓(ya)(ya)(ya)力(li)(li)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)是通(tong)過(guo)高(gao)(gao)精(jing)(jing)度儀表放(fang)大(da)器(qi)放(fang)大(da)壓(ya)(ya)(ya)力(li)(li)信(xin)號(hao)(hao)(hao)(hao)，通(tong)過(guo)高(gao)(gao)速(su)MCU采集并處理(li)數(shu)據，內(nei)置精(jing)(jing)密傳感器(qi)進行補償，是檢(jian)測(ce)(ce)壓(ya)(ya)(ya)力(li)(li)、液(ye)(ye)位(wei)信(xin)號(hao)(hao)(hao)(hao)，實現壓(ya)(ya)(ya)力(li)(li)、液(ye)(ye)位(wei)監測(ce)(ce)和(he)(he)控(kong)(kong)制(zhi)的(de)(de)(de)高(gao)(gao)精(jing)(jing)度設(she)備。廣泛使(shi)用(yong)在化工(gong)、機械、水文、電(dian)力(li)(li)、環(huan)保(bao)等(deng)測(ce)(ce)量氣(qi)體、液(ye)(ye)體壓(ya)(ya)(ya)力(li)(li)的(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)化系統中(zhong)(zhong)。因為調節方便靈(ling)活，安(an)裝簡(jian)單，可(ke)以替代大(da)部分使(shi)用(yong)液(ye)(ye)位(wei)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)的(de)(de)(de)場合(he).壓(ya)(ya)(ya)力(li)(li)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)的(de)(de)(de)工(gong)作原理(li)：是當(dang)(dang)系統內(nei)壓(ya)(ya)(ya)力(li)(li)高(gao)(gao)于或(huo)低于額(e)定的(de)(de)(de)安(an)全壓(ya)(ya)(ya)力(li)(li)時(shi)(shi)(shi)，感應器(qi)內(nei)碟(die)(die)片瞬時(shi)(shi)(shi)發(fa)生移動(dong)(dong)(dong)(dong)，通(tong)過(guo)連(lian)接(jie)(jie)導桿(gan)推(tui)動(dong)(dong)(dong)(dong)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)接(jie)(jie)頭接(jie)(jie)通(tong)或(huo)斷開(kai)(kai)(kai)(kai)，當(dang)(dang)壓(ya)(ya)(ya)力(li)(li)降(jiang)至或(huo)升額(e)定的(de)(de)(de)恢復(fu)(fu)值時(shi)(shi)(shi)，碟(die)(die)片瞬時(shi)(shi)(shi)復(fu)(fu)位(wei)，開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)自(zi)動(dong)(dong)(dong)(dong)復(fu)(fu)位(wei)，或(huo)者(zhe)簡(jian)單的(de)(de)(de)說是當(dang)(dang)被測(ce)(ce)壓(ya)(ya)(ya)力(li)(li)超過(guo)額(e)定值時(shi)(shi)(shi)，彈性元(yuan)件的(de)(de)(de)自(zi)由(you)端產生位(wei)移，直接(jie)(jie)或(huo)經過(guo)比較后(hou)推(tui)動(dong)(dong)(dong)(dong)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)元(yuan)件，改變(bian)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)元(yuan)件的(de)(de)(de)通(tong)斷狀態，達到控(kong)(kong)制(zhi)被測(ce)(ce)壓(ya)(ya)(ya)力(li)(li)的(de)(de)(de)目(mu)的(de)(de)(de)。壓(ya)(ya)(ya)力(li)(li)開(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)采用(yong)的(de)(de)(de)彈性元(yuan)件有單圈彈簧(huang)管(guan)、膜片、膜盒及波紋管(guan)等(deng)。 

WEIGEL    DIGITAL VOLTMETER    DMA14-31E20R-S1
WEIGEL    90°指針表    PSQ48(4~20mA 帶零位調整）48mmX48mm
WEIGEL    分流器    SHUNT 60MV 500A KL 0.5 DIN43703， 137-9064
WEIGEL    備件    LSP96K
WEIGEL    備件    WQ96/2S
WEIGEL    電流表    RW96MIN
WEIGEL    編碼器    5.71 VDC 0-400A 刻度0-240度 0.424005671
WEIGEL    電流表    EQ48RS/0-250/500mA 表盤尺寸47*47mm
WEIGEL    電流表    PQ48K  4...20mA  0...315Bar
WEIGEL    分流器    800.7339.S.1KA.60mV
WEIGEL    分流器    869.7330.1 50KA/250ms
WEIGEL    備件    TUA2.2
WEIGEL    電壓表    EQ96K 100/120V 0-20/24kV
WEIGEL    備件    PQ 72 INPUT-10V DC
WEIGEL    備件    DGW2.0
WEIGEL    電流表    PQ96K MESSB.0-10V;SKALA 0-10A Ammeter
WEIGEL    電流表    AMPQ72KDZS010 4-20mA Skala: 0-400A
WEIGEL    電流表    PQ96K
WEIGEL    電流表    PQ96K 10V 0-8000A
WEIGEL    備件    DSA13-NA50/AIRR-02
WEIGEL    電流表    EQ96-X 150/1 0-150A/750A
WEIGEL    備件    EQ48-MESSB:25A-SKALA:0-25A+STTX*
WEIGEL    表    EQ96K 0-3.6 kA 2500/1A
WEIGEL    電流表    PQ96K
WEIGEL    電流轉換器    AUE2.2  0-1A 4-20mA
WEIGEL    meter with moving    LSP48-4-20MA DC current
WEIGEL    電流表    EQ96K 5/10A
WEIGEL    儀表    PQ96 0-60MV
WEIGEL    分流器    5KA 30MV
WEIGEL    備件    Type: VQ72K 0-750V Production ID: 1TNS08030129R1
WEIGEL    備件    FQ96/2
WEIGEL    傳感器    PQ48RS
WEIGEL    DIGITAL VOLTMETER    DMA14-31E20R-S1
WEIGEL    備件    EQ144K/1A/80A
WEIGEL    壓力表    EQ96K500V
WEIGEL    電器件    SHUNT 6000A/60MV/CLASS 0.5
WEIGEL    電流表    0-50mA電流表    50VCATIII
WEIGEL    備件    EQ96K 0-1A =》0-1600A
WEIGEL    電流變送器    電流變送器/A1U2.0
WEIGEL    速度表    LSSM3 4...20mA 0...8rpm
WEIGEL    電流表    EQ144K/1A/20A
WEIGEL    電流表    EQ 72K   N/1A AC
WEIGEL    電流表    RW96min/max 150V(0-1A）
WEIGEL    備件    PQ 96
WEIGEL    備件    DPA 10-31E10G
WEIGEL    數字顯示表    DGA100-40A10GD-2 SN4113-001
WEIGEL    分流器    150A/60MV
WEIGEL    備件    DAS10-40P1R NR：943622-003
WEIGEL    功率因數變送器    DUW2.1
WEIGEL    電流表    PQ96K
WEIGEL    Ammeter    EQ72K 150/5A
WEIGEL    儀表    PQ96 60-0-60MV
WEIGEL    電壓表    EQ96K-500V
WEIGEL    滑差表    SY96S

WEIGEL電流表 RW96MIN翊霈代理供應

WEIGEL電流表 RW96MIN翊霈代理供應