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電(dian)是(shi)20世紀(ji)偉大的(de)發明之一，它不(bu)僅(jin)可以為我們(men)的(de)生(sheng)活(huo)提供光(guang)明，更多(duo)的(de)是(shi)可以為很多(duo)產業提供一定的(de)載體，尤其是(shi)當(dang)下(xia)社會，電(dian)是(shi)無處(chu)不(bu)在的(de)，不(bu)論是(shi)生(sheng)活(huo)當(dang)中(zhong)的(de)應用還是(shi)工藝領域的(de)應用，電(dian)的(de)應用領域也是(shi)非常的(de)廣泛的(de)。

網絡需要(yao)(yao)(yao)用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)，家庭需要(yao)(yao)(yao)用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)，工(gong)業需要(yao)(yao)(yao)用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)等，電(dian)(dian)(dian)(dian)(dian)已(yi)經分布到了我(wo)們(men)日常生(sheng)活當(dang)中的(de)(de)角角落落，足以(yi)見得電(dian)(dian)(dian)(dian)(dian)對于我(wo)們(men)的(de)(de)生(sheng)活是(shi)(shi)起到至關重要(yao)(yao)(yao)的(de)(de)作用(yong)(yong)(yong)的(de)(de)，而電(dian)(dian)(dian)(dian)(dian)并不是(shi)(shi)無(wu)償的(de)(de)，是(shi)(shi)需要(yao)(yao)(yao)購買的(de)(de)，不論是(shi)(shi)家庭用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)還是(shi)(shi)工(gong)業用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)，其用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)的(de)(de)部位都是(shi)(shi)有電(dian)(dian)(dian)(dian)(dian)表(biao)存(cun)在的(de)(de)，這(zhe)是(shi)(shi)記錄用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)情況的(de)(de)主(zhu)要(yao)(yao)(yao)依據(ju)，購買用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)是(shi)(shi)需要(yao)(yao)(yao)看清電(dian)(dian)(dian)(dian)(dian)表(biao)的(de)(de)數(shu)(shu)字(zi)的(de)(de)，而很多(duo)人是(shi)(shi)無(wu)法看明白電(dian)(dian)(dian)(dian)(dian)表(biao)上(shang)的(de)(de)數(shu)(shu)字(zi)的(de)(de)，那么，如(ru)何看明白電(dian)(dian)(dian)(dian)(dian)表(biao)上(shang)的(de)(de)數(shu)(shu)字(zi)呢？

其實，電(dian)表是可以分(fen)為很多(duo)不(bu)同(tong)的(de)(de)種(zhong)類的(de)(de)，有老(lao)式(shi)的(de)(de)電(dian)表，也有式(shi)的(de)(de)電(dian)表，其中所顯示的(de)(de)數字(zi)也是不(bu)同(tong)的(de)(de)，那么，不(bu)同(tong)的(de)(de)電(dian)表應該如(ru)何看電(dian)表的(de)(de)數字(zi)呢(ni)？小編整理了幾(ji)種(zhong)電(dian)表形式(shi)如(ru)下：

1、一般的(de)電(dian)表可以直接讀出到目前為止的(de)總用(yong)量，然(ran)后減去(qu)上個月的(de)用(yong)量就是本(ben)月用(yong)量。

2、智能電(dian)表(biao)只有(you)一個液晶(jing)屏，如果是(shi)單相里(li)面會(hui)直接顯示總有(you)電量(liang)(liang)和剩(sheng)余電量(liang)(liang)，直接讀數就可(ke)以。

3、如果是(shi)(shi)IC卡電(dian)(dian)表，只有發光(guang)管顯(xian)(xian)示就(jiu)(jiu)是(shi)(shi)單顯(xian)(xian)卡表，那電(dian)(dian)表上面上會有個小紅(hong)點(dian)。紅(hong)色的小點(dian)跳到(dao)總用(yong)那里(li)就(jiu)(jiu)是(shi)(shi)總用(yong)，跳到(dao)剩余那里(li)就(jiu)(jiu)是(shi)(shi)剩余。雙顯(xian)(xian)卡表，讀(du)上面或下(xia)面都可以。

4、三相的(de)預付費電表(biao)直入式的(de)直接讀數。

5、互感式(shi)的(de)用表的(de)讀數乘以(yi)互感器倍率。