飞鹰伦理影院

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電導率儀知識介紹

发表时间：2018-11-30 17:29

電導率儀使用方法

　　1、檢查一下指針是否指零，假如不指零調節電導率儀上的調零旋鈕，

　　2、將電導率儀調節到校正檔，指針指向zui大刻度，

　　3、按照電極常數調節旋鈕，丈量時調節到丈量檔。

　　電導率儀工作原理

　　电导率仪是以数字表示溶液传导电流的能力。水的电导率与其所含无机酸、碱、盐的量有一定的关系，当它们的浓度较低时，电导率随着浓度的增大而增加，因此，该指标常用于推测水中离子的总浓度或含盐量。

　　電導率儀留意事項

　　1. 电极的引线不能湿润，否则将测不准。

　　2. 高纯水被盛进容器后应迅速丈量，否则电导率降低很快，由于空气中的溶进水里变成碳酸根离子。

　　3. 盛被测溶液的容器必须清洁，无离子玷污。

上一篇石油産品銅片腐蝕的試驗方法

下一篇卡爾費休水分測定儀使用時需求留意哪些方面？

文章分類：技術知識

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