明(ming)泰(tai)電(dian)氣（蘇(su)(su)州）有限公(gong)司(si)是正(zheng)泰(tai)集(ji)團在蘇(su)(su)州地區一家授(shou)權的(de)經銷(xiao)企業，連續(xu)十年銷(xiao)量(liang)居正(zheng)泰(tai)營(ying)銷(xiao)網絡名，公(gong)司(si)主要經營(ying)“正(zheng)泰(tai)”牌(pai)配(pei)電(dian)電(dian)器(qi)、控制電(dian)器(qi)、終端電(dian)器(qi)、電(dian)源電(dian)器(qi)、電(dian)力電(dian)子、儀器(qi)儀表、建筑電(dian)器(qi)、高壓電(dian)器(qi)及成(cheng)套設備。

量(liang)程(cheng)的(de)(de)選(xuan)擇(ze)(ze)。要充分發揮儀(yi)表(biao)(biao)(biao)(biao)準確度的(de)(de)作用(yong)，還必須根據被(bei)測(ce)(ce)量(liang)的(de)(de)大(da)小，正泰電流表(biao)(biao)(biao)(biao)供應商，合理選(xuan)用(yong)儀(yi)表(biao)(biao)(biao)(biao)量(liang)限，如選(xuan)擇(ze)(ze)不(bu)當，其測(ce)(ce)量(liang)誤差將會很大(da)。一般使儀(yi)表(biao)(biao)(biao)(biao)對被(bei)測(ce)(ce)量(liang)的(de)(de)指示大(da)于儀(yi)表(biao)(biao)(biao)(biao)醉大(da)量(liang)程(cheng)的(de)(de)1/2~2/3以上，而不(bu)能(neng)超過其醉大(da)量(liang)程(cheng)。

內(nei)(nei)阻(zu)(zu)的(de)選擇(ze)。選擇(ze)儀(yi)表時，還應(ying)根據(ju)被測(ce)阻(zu)(zu)抗的(de)大(da)小來選擇(ze)儀(yi)表的(de)內(nei)(nei)阻(zu)(zu)，淮安正泰電(dian)(dian)流表，否則會帶來較大(da)的(de)測(ce)量(liang)(liang)誤差(cha)。因(yin)內(nei)(nei)阻(zu)(zu)的(de)大(da)小反映儀(yi)表本身(shen)功率的(de)消(xiao)耗(hao)，所(suo)以，測(ce)量(liang)(liang)電(dian)(dian)流時，應(ying)選用內(nei)(nei)阻(zu)(zu)盡(jin)可(ke)能小的(de)電(dian)(dian)流表；測(ce)量(liang)(liang)電(dian)(dian)壓(ya)時，應(ying)選用內(nei)(nei)阻(zu)(zu)盡(jin)可(ke)能大(da)的(de)電(dian)(dian)壓(ya)表。

明泰(tai)電(dian)(dian)氣（蘇州(zhou)）有限公(gong)司是正(zheng)泰(tai)集團在蘇州(zhou)地區一家授權(quan)的(de)經(jing)銷(xiao)(xiao)企(qi)業，連續十年銷(xiao)(xiao)量居(ju)正(zheng)泰(tai)營銷(xiao)(xiao)網絡名，公(gong)司主要(yao)經(jing)營“正(zheng)泰(tai)”牌配電(dian)(dian)電(dian)(dian)器(qi)、控制電(dian)(dian)器(qi)、終端電(dian)(dian)器(qi)、電(dian)(dian)源電(dian)(dian)器(qi)、電(dian)(dian)力電(dian)(dian)子、儀器(qi)儀表、建筑電(dian)(dian)器(qi)、高壓電(dian)(dian)器(qi)及成套設備。

讀數

⒈看清

電流表

量程

⒉看清分度(du)值(zhi)（一般而言(yan)，正泰(tai)電流表報價，量程0~3A分度(du)值(zhi)為0.1A，正泰(tai)電流表哪家好，0~0.6A為0.02A)

⒊看清表針(zhen)停(ting)留位(wei)置（一定從正面(mian)觀察）

⒋選用(yong)(yong)量程{用(yong)(yong)經驗估(gu)計(ji)或采用(yong)(yong)試(shi)觸法}

明泰(tai)電(dian)(dian)(dian)(dian)氣（蘇州(zhou)）有限公(gong)司(si)是正泰(tai)集團在蘇州(zhou)地區一家授權的經銷(xiao)企業，連續十年銷(xiao)量居正泰(tai)營銷(xiao)網絡(luo)名(ming)，公(gong)司(si)主要經營“正泰(tai)”牌配電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)器(qi)(qi)、控制電(dian)(dian)(dian)(dian)器(qi)(qi)、終端電(dian)(dian)(dian)(dian)器(qi)(qi)、電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)器(qi)(qi)、電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)子、儀器(qi)(qi)儀表、建筑電(dian)(dian)(dian)(dian)器(qi)(qi)、高壓(ya)電(dian)(dian)(dian)(dian)器(qi)(qi)及成套設(she)備。

對于(yu)幾安的電(dian)(dian)流(liu)(liu)(liu)(liu)，可在電(dian)(dian)流(liu)(liu)(liu)(liu)表(biao)內(nei)設置分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)。對于(yu)幾安以(yi)上的電(dian)(dian)流(liu)(liu)(liu)(liu)，則采用(yong)(yong)外(wai)附(fu)(fu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)。大電(dian)(dian)流(liu)(liu)(liu)(liu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)的電(dian)(dian)阻值(zhi)很小，為避免(mian)引線電(dian)(dian)阻和接(jie)觸電(dian)(dian)阻附(fu)(fu)加于(yu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)而引起(qi)誤差，分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)要(yao)制成四端形式，即有兩(liang)個(ge)電(dian)(dian)流(liu)(liu)(liu)(liu)端，兩(liang)個(ge)電(dian)(dian)壓(ya)端。例(li)如(ru)，當用(yong)(yong)外(wai)附(fu)(fu)分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)和毫(hao)伏表(biao)來測(ce)量200A的大電(dian)(dian)流(liu)(liu)(liu)(liu)時，若采用(yong)(yong)的毫(hao)伏表(biao)標(biao)準化量程為45mV（或(huo)(huo)75mV），那么分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)的電(dian)(dian)阻值(zhi)為0.045/200=0.000225Ω（或(huo)(huo)0.075/200=0.000375Ω）。若利(li)用(yong)(yong)環(huan)形（或(huo)(huo)稱(cheng)梯級(ji)）分(fen)(fen)(fen)流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)，可制成多量程電(dian)(dian)流(liu)(liu)(liu)(liu)表(biao)。