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DDB-305 型(xing)便攜式電(dian)(dian)(dian)導(dao)率儀(yi)是實(shi)驗(yan)室電(dian)(dian)(dian)導(dao)率測(ce)量(liang)(liang)儀(yi)器，它廣泛應用(yong)于(yu)石油化工、生物醫藥、污水處理、環境監測(ce)、礦山(shan)冶煉等行(xing)業(ye)及大(da)專院校和科研單(dan)位。若配用(yong)適當常數的電(dian)(dian)(dian)導(dao)電(dian)(dian)(dian)極，可用(yong)于(yu)測(ce)量(liang)(liang)電(dian)(dian)(dian)子半導(dao)體、核能工業(ye)和電(dian)(dian)(dian)廠純水或超純水的電(dian)(dian)(dian)導(dao)率。