電(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)表(biao)是(shi)根據(ju)通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導體在(zai)磁(ci)場(chang)(chang)中受磁(ci)場(chang)(chang)力的(de)(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)而(er)制(zhi)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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)內(nei)部有(you)(you)一(yi)(yi)永磁(ci)體，在(zai)極間產生(sheng)磁(ci)場(chang)(chang)，在(zai)磁(ci)場(chang)(chang)中有(you)(you)一(yi)(yi)個(ge)(ge)(ge)線圈(quan)(quan)，線圈(quan)(quan)兩(liang)端(duan)(duan)(duan)(duan)(duan)各有(you)(you)一(yi)(yi)個(ge)(ge)(ge)游絲彈簧(huang)，彈簧(huang)各連接電(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)表(biao)的(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)個(ge)(ge)(ge)接線柱，在(zai)彈簧(huang)與線圈(quan)(quan)間由一(yi)(yi)個(ge)(ge)(ge)轉(zhuan)(zhuan)(zhuan)軸連接，在(zai)轉(zhuan)(zhuan)(zhuan)軸相對于(yu)電(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)表(biao)的(de)(de)(de)(de)(de)(de)(de)前端(duan)(duan)(duan)(duan)(duan)，有(you)(you)一(yi)(yi)個(ge)(ge)(ge)指針。當有(you)(you)電(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)通過(guo)時，電(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)沿彈簧(huang)、轉(zhuan)(zhuan)(zhuan)軸通過(guo)磁(ci)場(chang)(chang)，電(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)切磁(ci)感(gan)線，所(suo)以(yi)受磁(ci)場(chang)(chang)力的(de)(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)，使(shi)(shi)線圈(quan)(quan)發生(sheng)偏(pian)轉(zhuan)(zhuan)(zhuan)，帶動(dong)轉(zhuan)(zhuan)(zhuan)軸、指針偏(pian)轉(zhuan)(zhuan)(zhuan)。由于(yu)磁(ci)場(chang)(chang)力的(de)(de)(de)(de)(de)(de)(de)大(da)(da)小(xiao)隨電(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)增(zeng)大(da)(da)而(er)增(zeng)大(da)(da)，所(suo)以(yi)就(jiu)可(ke)(ke)以(yi)通過(guo)指針的(de)(de)(de)(de)(de)(de)(de)偏(pian)轉(zhuan)(zhuan)(zhuan)程度來觀(guan)察(cha)電(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)的(de)(de)(de)(de)(de)(de)(de)大(da)(da)小(xiao)。一(yi)(yi)般可(ke)(ke)直(zhi)接測(ce)(ce)(ce)量(liang)(liang)(liang)微安或毫安數量(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，為(wei)測(ce)(ce)(ce)更大(da)(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)流(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)應有(you)(you)并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)(qi)(qi)（又稱分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)）。主(zhu)要采(cai)用(yong)(yong)(yong)(yong)磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou)。分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(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)阻(zu)(zu)值要使(shi)(shi)滿量(liang)(liang)(liang)程電(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)通過(guo)時，電(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)表(biao)滿偏(pian)轉(zhuan)(zhuan)(zhuan)，即(ji)電(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)表(biao)指示達到最大(da)(da)。對于(yu)幾(ji)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)流(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)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)內(nei)設置分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)。對于(yu)幾(ji)安以(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，則采(cai)用(yong)(yong)(yong)(yong)外附分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)。大(da)(da)電(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)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(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)阻(zu)(zu)值很小(xiao)，為(wei)避免引線電(dian)(dian)(dian)(dian)(dian)(dian)(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)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)附加于(yu)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)而(er)引起誤差，分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)要制(zhi)成四(si)端(duan)(duan)(duan)(duan)(duan)形式(shi)，即(ji)有(you)(you)兩(liang)個(ge)(ge)(ge)電(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)端(duan)(duan)(duan)(duan)(duan)，兩(liang)個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓端(duan)(duan)(duan)(duan)(duan)。直(zhi)流(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)主(zhu)要采(cai)用(yong)(yong)(yong)(yong)磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou)(見(jian)(jian)機(ji)(ji)(ji)(ji)械式(shi)指示電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou))，這些測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)基本量(liang)(liang)(liang)是(shi)電(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)，可(ke)(ke)用(yong)(yong)(yong)(yong)來直(zhi)接測(ce)(ce)(ce)小(xiao)電(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)。對于(yu)大(da)(da)量(liang)(liang)(liang)值的(de)(de)(de)(de)(de)(de)(de)直(zhi)流(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou)要使(shi)(shi)用(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(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)(dian)(dian)(dian)(dian)阻(zu)(zu)。它(ta)(ta)(ta)的(de)(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)是(shi)將大(da)(da)部分(fen)(fen)(fen)(fen)(fen)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對約10A以(yi)下的(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)多采(cai)用(yong)(yong)(yong)(yong)內(nei)附分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi);對更大(da)(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值，則使(shi)(shi)用(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)。它(ta)(ta)(ta)采(cai)取四(si)端(duan)(duan)(duan)(duan)(duan)結(jie)構(gou)(圖a)，具有(you)(you)兩(liang)個(ge)(ge)(ge)電(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)端(duan)(duan)(duan)(duan)(duan)，兩(liang)個(ge)(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端(duan)(duan)(duan)(duan)(duan)。交(jiao)流(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)可(ke)(ke)采(cai)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)系(xi)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou)。為(wei)使(shi)(shi)磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)測(ce)(ce)(ce)量(liang)(liang)(liang)機(ji)(ji)(ji)(ji)構(gou)也(ye)能用(yong)(yong)(yong)(yong)于(yu)測(ce)(ce)(ce)量(liang)(liang)(liang)交(jiao)流(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)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)(ke)利用(yong)(yong)(yong)(yong)整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)或熱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶等器(qi)(qi)(qi)(qi)件先將交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉(zhuan)(zhuan)(zhuan)換為(wei)直(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由它(ta)(ta)(ta)們組(zu)合(he)而(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)表(biao)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)別稱為(wei)整流(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)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(見(jian)(jian)整流(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)(dian)(dian)(dian)(dian)表(biao))、熱電(dian)(dian)(dian)(dian)(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)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)。為(wei)擴大(da)(da)量(liang)(liang)(liang)程以(yi)測(ce)(ce)(ce)量(liang)(liang)(liang)大(da)(da)電(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)，整流(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)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)也(ye)采(cai)用(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)電(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)表(biao)的(de)(de)(de)(de)(de)(de)(de)做法同前;電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)系(xi)電(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)表(biao)則是(shi)加粗線圈(quan)(quan)導線、減少匝數。對于(yu)更大(da)(da)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)電(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)值需配合(he)電(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)互感(gan)器(qi)(qi)(qi)(qi)使(shi)(shi)用(yong)(yong)(yong)(yong)。通常可(ke)(ke)利用(yong)(yong)(yong)(yong)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)和交(jiao)流(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)(dian)(dian)(dian)(dian)壓表(biao)構(gou)成交(jiao)流(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)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)。

位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)又(you)稱(cheng)為線(xian)(xian)(xian)性傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)，是一(yi)(yi)種(zhong)屬于金屬感(gan)(gan)(gan)(gan)應(ying)的線(xian)(xian)(xian)性器(qi)(qi)件，傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)的作(zuo)(zuo)用是把(ba)各(ge)種(zhong)被(bei)測(ce)(ce)(ce)物理量(liang)(liang)(liang)轉換為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)。在生產過程中，位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)的測(ce)(ce)(ce)量(liang)(liang)(liang)一(yi)(yi)般分(fen)(fen)為測(ce)(ce)(ce)量(liang)(liang)(liang)實物尺寸和(he)(he)機(ji)械(xie)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)兩(liang)種(zhong)。按被(bei)測(ce)(ce)(ce)變(bian)量(liang)(liang)(liang)變(bian)換的形式(shi)(shi)(shi)(shi)不同，位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)可(ke)分(fen)(fen)為模(mo)(mo)擬(ni)式(shi)(shi)(shi)(shi)和(he)(he)數(shu)(shu)字式(shi)(shi)(shi)(shi)兩(liang)種(zhong)。模(mo)(mo)擬(ni)式(shi)(shi)(shi)(shi)又(you)可(ke)分(fen)(fen)為物性型和(he)(he)結構型兩(liang)種(zhong)。常(chang)用位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)以模(mo)(mo)擬(ni)式(shi)(shi)(shi)(shi)結構型居多，包括電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)(gan)(gan)(gan)式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)、自整角機(ji)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)渦流式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)、霍爾式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)等。數(shu)(shu)字式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)的一(yi)(yi)個(ge)重(zhong)要(yao)優(you)點是便(bian)于將信(xin)號直接送入計(ji)算機(ji)系(xi)統(tong)(tong)。這(zhe)種(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)發展(zhan)迅(xun)速，應(ying)用日益(yi)廣泛。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)，它通過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)元(yuan)件將機(ji)械(xie)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)轉換成(cheng)與(yu)之成(cheng)線(xian)(xian)(xian)性或任意函數(shu)(shu)關(guan)系(xi)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)輸出。普通直線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)和(he)(he)圓(yuan)形電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)都可(ke)分(fen)(fen)別用作(zuo)(zuo)直線(xian)(xian)(xian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)和(he)(he)角位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)。但(dan)是，為實現測(ce)(ce)(ce)量(liang)(liang)(liang)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)目的而設計(ji)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)，要(yao)求在位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)變(bian)化和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)變(bian)化之間有一(yi)(yi)個(ge)確定關(guan)系(xi)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)式(shi)(shi)(shi)(shi)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)的可(ke)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)刷與(yu)被(bei)測(ce)(ce)(ce)物體相(xiang)連(lian)。物體的位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)引起電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)移(yi)(yi)(yi)(yi)(yi)動端的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)變(bian)化。阻(zu)值(zhi)(zhi)(zhi)的變(bian)化量(liang)(liang)(liang)反(fan)映(ying)了位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)的量(liang)(liang)(liang)值(zhi)(zhi)(zhi)，阻(zu)值(zhi)(zhi)(zhi)的增加還是減(jian)小則(ze)表明了位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)的方(fang)向。通常(chang)在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)上通以電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，以把(ba)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)變(bian)化轉換為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)輸出。線(xian)(xian)(xian)繞式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)由于其電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)刷移(yi)(yi)(yi)(yi)(yi)動時電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)以匝電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)為階(jie)(jie)梯(ti)而變(bian)化，其輸出特性亦呈階(jie)(jie)梯(ti)形。如果這(zhe)種(zhong)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)(gan)器(qi)(qi)在伺(si)服系(xi)統(tong)(tong)中用作(zuo)(zuo)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)移(yi)(yi)(yi)(yi)(yi)反(fan)饋元(yuan)件，則(ze)過大(da)的階(jie)(jie)躍(yue)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)會引起系(xi)統(tong)(tong)振蕩。因此在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)(wei)(wei)(wei)(wei)(wei)(wei)器(qi)(qi)的制作(zuo)(zuo)中應(ying)盡量(liang)(liang)(liang)減(jian)小每(mei)匝的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值(zhi)(zhi)(zhi)

WEIGEL    安裝盤    SHUNTISO.PLATE SMALL 100X60X4MM，870-92824
WEIGEL    電流表    EQ48RS/0-250/500mA 表盤尺寸47*47mm
WEIGEL    分流器    SHUNT 60MV 10AKL 0.5 DIN43703，137-9061
WEIGEL    備件    EQ96K  0-1A=》0-800A
WEIGEL    電流變送器    電流變送器/A1U2.0
WEIGEL    電流表    E-1005-9021-00V cover for IP65
WEIGEL    電壓表    PQ96K 10V 0-1500V
WEIGEL    模擬表    LSP72K meas.range 4-20ma SCALEO-1000N/M
WEIGEL    表    RW96MIN/MAX MA AC  UH230V AC 0-1 A
WEIGEL    備件    AU2.0 Input: 0...1A  Output: 0...20mA
WEIGEL    表    DA12-NA40/F10R 72*24
WEIGEL    電流表    EQ96K 150/5A
WEIGEL    位置指示器    SUS-01-Q-R/G-220DC
WEIGEL    橫式指針表    MP96X24K(4~20mA 帶零位調整） 96mm×24mm
WEIGEL    儀表    PQ96 40-0-40V
WEIGEL    電流表    EQ96K 150/5A
WEIGEL    橫式指針表    MP48X96K(4~20mA 帶零位調整）96mm×48mm橫式指針表
WEIGEL    電流表    EQ96K  100/5A
WEIGEL    數字顯示器    DAS10-40P1R  S-NR:942882-008
WEIGEL    電流變送器    電流變送器/A1U2.0
WEIGEL    電壓轉換器    AU2.0  0-1A
WEIGEL    電壓變送器    V1U2.2 input AC cl.0.5
WEIGEL    電流表    RW96min/max 150V(0-1A）
WEIGEL    電壓表    PQ96K 0-10V:=0-150A
WEIGEL    備件    DPA 10-31E10G
WEIGEL    電流表    EQ  72K
WEIGEL    電壓變送器    電壓變送器/V1U2.0
WEIGEL    分流器    5KA 30MV
WEIGEL    備件    EQ144K/1A/800A
WEIGEL    電流表    PQ96K
WEIGEL    meter with moving    LSP48-4-20MA DC current
WEIGEL    交流電壓變送器    VIU2.2
WEIGEL    電流表    PQ72K 0-10V
WEIGEL    電流表    EQ 72K   N/1A AC
WEIGEL    電壓變送器    電壓變送器/V1U2.0
WEIGEL    備件    LSP96K 4-20mA 90×90mm
WEIGEL    備件    AU2.0 Input: 0...1A  Output: 0...20mA
WEIGEL    表    150v
WEIGEL    電流表    EQ96-X CT 300/5A scale 0—300A   2倍過載  無紅線
WEIGEL    電流表    EQ72  0-100/5A
WEIGEL    電流表    PQ96K-+/-60MV/6;5KA
WEIGEL    電流表    PQ96K MESSB.0-10V;SKALA 0-20A Ammeter
WEIGEL    備件    CAM39053 AB910097493  411.134.9291
WEIGEL    檢測表    DSA13-NP40/CIR-07
WEIGEL    備件    EQ96K  0-1A=》0-800A
WEIGEL    電流表    PQ96K 10V 0-8000A
WEIGEL    電流表    PQ48K  0-40MICROA
WEIGEL    電流表    PQ48K  0-40MICROA
WEIGEL    電壓表附件    EQ96K  100/120V 0-20/24KV
WEIGEL    電流表    PQ96K
WEIGEL    雙指針表    PSQ48 4-20mA.DC（帶調零裝置）90°Analog indicator 2 coils 雙指針表
WEIGEL    電壓表    PQ96K 0-10V 0-120% POTI (0-10VDC/1mA + scale 0-120% w.pot )
WEIGEL    電流表    PQ96K 4-20mA:=0-250V
WEIGEL ;   電流表    EQ48RS/0-250/500mA 表盤(pan)尺寸47*47mm

WEIGEL電流表PQ48K0-40MICROA翊霈代理供應

WEIGEL電流表PQ48K0-40MICROA翊霈代理供應