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電；響應(yīng)快速；量測；易清潔保養(yǎng)，可以進行拋投水質(zhì)測量，維護簡單，無須任何工具可輕易更換電池和電，背光屏幕，多行顯示。便攜式cod測定儀使用中若能夠合理維護電、按要求配制標(biāo)準(zhǔn)緩沖液和正確操作電計,可大大減小示值誤差，從而提高化學(xué)實驗、醫(yī)學(xué)檢驗數(shù)據(jù)的可靠性。因電計設(shè)計的不同而類型很多，其操作步驟各有不同，因而pH計的操作應(yīng)嚴(yán)格按照其使用說明書正確進行。在具體操作中，校準(zhǔn)是pH計使用操作中的一重要步驟。表1的數(shù)據(jù)是精度為0.01級、經(jīng)過計量檢定合格的pH計在未校準(zhǔn)時與校準(zhǔn)后的測量值，從中可以看出校準(zhǔn)的重要性。</p><p><br/></p> </div> <div id="3tzm5vv4jmr" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-3086967.html">cod氨氮測定儀的作用</a></li> <li>下一篇：<a href="/Article-3086962.html">總磷測定儀的操作方法</a></li> </ul> </div> </div>   <div id="3tzm5vv4jmr" class="ly_foot"> <div id="3tzm5vv4jmr" class="ly_Ftmain"> <div id="3tzm5vv4jmr" class="ly_FtLeft"> <div id="3tzm5vv4jmr" class="Ft_nav"><a href="/">首頁</a><a href="/aboutus.html" target="_blank" rel="nofollow">關(guān)于我們</a><a href="/products.html" target="_blank">產(chǎn)品展示</a><a href="/news.html" target="_blank">新聞中心</a><a href="/article.html" target="_blank">技術(shù)文章</a><a href="/honor.html" 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