兩線製
兩(liang)線(xian)製(zhi)接(jie)法(fa)的(de)鉑(bo)電(dian)阻(zu),輸(shu)出(chu)阻(zu)值(zhi)為(wei)鉑(bo)電(dian)阻(zu)的(de)阻(zu)值(zhi)與(yu)連(lian)接(jie)導(dao)線(xian)電(dian)阻(zu)值(zhi)之(zhi)和(he),由(you)於(yu)導(dao)線(xian)電(dian)阻(zu)帶(dai)來(lai)的(de)附(fu)加(jia)誤(wu)差(cha)使(shi)實(shi)際(ji)測(ce)量(liang)值(zhi)偏(pian)高(gao),故(gu)用(yong)兩(liang)線(xian)製(zhi)處(chu)理(li)方(fang)法(fa)適(shi)用(yong)於(yu)測(ce)量(liang)精(jing)度(du)要(yao)求(qiu)不(bu)高(gao)的(de)場(chang)合(he),並(bing)且(qie)導(dao)線(xian)的(de)長(chang)度(du)不(bu)宜(yi)過(guo)長(chang)。
三線製:
caiyongsanxianzhichulifangfadebodianzu,yaoqiuyinchudesangendaoxianjiemianjihechangdujunxiangtong,celiangbodianzudedianluyibanyongbupinghengdianqiao,bodianzuzuoweidianqiaodeyigeqiaobidianzu,jiangdaoxianyigenjiedaodianqiaodedianyuanduan,qiyulianggenfenbiejiedaobodianzusuozaideqiaobijiyuqixianglindeqiaobishang,ruguodianqiaoqiaolupingheng,tongguojisuankedezhidaoxiandianzudebianhuaduiceliangjieguobuhuiyourenheyingxiang,rucibianxiaochuleceliangzhongdaoxianxianlushangdedianzusuodailaideceliangwucha。quandengbidianqiao,cainengwanquanxiaochudaoxiandianzudeyingxiang。danfenxikejian,caiyongsanxianzhihuisuibunengxiangquandengbidianqiaoyiyangwanquanxiaochudaoxiandianzudeyingxiang,danshiquejidachengdudejianxiaoledaoxiandianzudailaidefujiawucha,dedaodezuzhigengjiazhunque。gugongyeshangyibandoucaiyongsanxianzhijiefa。
四線製:
四si線xian製zhi鉑bo電dian阻zu測ce量liang方fang法fa,是shi用yong兩liang條tiao附fu加jia測ce試shi線xian提ti供gong恒heng定ding電dian流liu,另ling兩liang條tiao測ce試shi線xian測ce量liang鉑bo電dian阻zu的de電dian壓ya降jiang,隻zhi要yao電dian壓ya表biao輸shu入ru阻zu抗kang足zu夠gou高gao,電dian流liu幾ji乎hu不bu會hui流liu過guo電dian壓ya表biao,這zhe樣yang就jiu可ke以yi精jing確que測ce量liang到dao鉑bo電dian阻zu上shang的de壓ya降jiang,可ke通tong過guo計ji算suan得de出chu電dian阻zu值zhi。在zai精jing度du要yao求qiu高gao或huo者zhe測ce量liang電dian阻zu數shu值zhi非fei常chang小xiao時shi,可ke采cai用yong四si線xian製zhi接jie法fa來lai消xiao除chu導dao線xian的de電dian阻zu帶dai來lai的de測ce量liang誤wu差cha。
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