如今市場上萬用表品牌眾多,消費者不知道該如何選購,以下簡單對萬用表品牌介紹、中國萬用表品牌排行榜、萬用表十大品牌排(pai)名,簡(jian)要分析了什么牌(pai)子萬(wan)用(yong)表(biao)好、萬(wan)用(yong)表(biao)哪個品牌(pai)好,以供消(xiao)費者了解萬(wan)用(yong)表(biao)品牌(pai)。
萬用表(biao)(biao)的基本原理(li)是利用一只靈敏的磁電(dian)(dian)(dian)式直(zhi)流(liu)(liu)(liu)電(dian)(dian)(dian)流(liu)(liu)(liu)表(biao)(biao)(微(wei)安表(biao)(biao))做表(biao)(biao)頭(tou)(tou)。當微(wei)小電(dian)(dian)(dian)流(liu)(liu)(liu)通(tong)過(guo)表(biao)(biao)頭(tou)(tou),就會有(you)電(dian)(dian)(dian)流(liu)(liu)(liu)指(zhi)示。但(dan)表(biao)(biao)頭(tou)(tou)不能通(tong)過(guo)大電(dian)(dian)(dian)流(liu)(liu)(liu),所以,必(bi)須在(zai)表(biao)(biao)頭(tou)(tou)上(shang)并聯(lian)與串聯(lian)一些電(dian)(dian)(dian)阻進行分流(liu)(liu)(liu)或降壓,從而(er)測出電(dian)(dian)(dian)路中的電(dian)(dian)(dian)流(liu)(liu)(liu)、電(dian)(dian)(dian)壓和電(dian)(dian)(dian)阻...進入萬用表知識講堂>>