BX7D單管變阻器滑(hua)(hua)動變阻器（又(you)叫滑(hua)(hua)線(xian)變阻器，是(shi)同一種產(chan)品）是(shi)經過(guo)傳統氧化絕(jue)緣處理(li)的(de)康(kang)銅絲，密(mi)繞于(yu)陶瓷管上，并固定于(yu)金屬(shu)保護支架(jia)上，通(tong)過(guo)接觸系統的(de)導電電刷，在康(kang)銅絲表面移(yi)動，以達到改變阻值(zhi)的(de)大小(xiao)，本產(chan)品在交(jiao)直流(liu)電路中(zhong)均可適用。

BX7D單(dan)管變阻器產品說明：

滑(hua)動(dong)(dong)變(bian)阻(zu)器(qi)（又叫(jiao)滑(hua)線變(bian)阻(zu)器(qi)，是同一(yi)種(zhong)產(chan)品）是經過傳(chuan)統氧(yang)化絕緣處(chu)理的(de)康(kang)(kang)銅(tong)絲，密繞于(yu)陶瓷管上(shang)，并固定(ding)于(yu)金屬保護(hu)支架上(shang)，通過接觸系(xi)統的(de)導(dao)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)刷，在(zai)康(kang)(kang)銅(tong)絲表面移動(dong)(dong)，以(yi)達到改變(bian)阻(zu)值的(de)大小，本(ben)產(chan)品在(zai)交直流(liu)(liu)電(dian)(dian)(dian)(dian)路中(zhong)均可適用，主要作(zuo)(zuo)為(wei)在(zai)在(zai)電(dian)(dian)(dian)(dian)氣機械設計階段中(zhong)校準電(dian)(dian)(dian)(dian)器(qi)儀表及(ji)作(zuo)(zuo)變(bian)更電(dian)(dian)(dian)(dian)流(liu)(liu)、電(dian)(dian)(dian)(dian)壓(ya)和作(zuo)(zuo)為(wei)代替未(wei)定(ding)阻(zu)值的(de)可變(bian)電(dian)(dian)(dian)(dian)阻(zu)器(qi)及(ji)負載之用，在(zai)實(shi)驗室中(zhong)作(zuo)(zuo)研究試驗或教學演示用的(de)電(dian)(dian)(dian)(dian)流(liu)(liu)、電(dian)(dian)(dian)(dian)壓(ya)調(diao)節器(qi)，以(yi)及(ji)作(zuo)(zuo)為(wei)發電(dian)(dian)(dian)(dian)設備和直流(liu)(liu)電(dian)(dian)(dian)(dian)動(dong)(dong)機的(de)勵磁、調(diao)速電(dian)(dian)(dian)(dian)阻(zu)等之用。根據特殊要求(qiu)(qiu)可制作(zuo)(zuo)為(wei)無感，以(yi)保證嚴(yan)格環境下的(de)使(shi)用要求(qiu)(qiu)。

BX7D單管變阻器產品選型表：