產品簡介:QJ42P型 QJ44型是采用(yong)凱爾文電(dian)(dian)橋線路(lu)設(she)計(ji)的攜帶式直流(liu)雙臂電(dian)(dian)橋.產品內附指零儀和(he)可裝(zhuang)工作電(dian)(dian)源的電(dian)(dian)池盒(he)。適用(yong)于工礦企業、實驗室或車(che)間(jian)現場對直流(liu)低值(zhi)電(dian)(dian)阻(zu)作準確測量。如:測量金屬導(dao)體的導(dao)電(dian)(dian)率(lv)、電(dian)(dian)機、變壓(ya)器繞阻(zu)的直流(liu)電(dian)(dian)阻(zu),電(dian)(dian)刷、開關的接觸電(dian)(dian)阻(zu)以及作升溫試驗等。