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class="jyms"><p><span>簡(jiǎn)要描述：</span>在線(xiàn)cod分析儀，化學(xué)耗氧量（又稱(chēng)COD）是指在一定條件下，用強氧化劑將水樣中有機物和無(wú)機還原性物質(zhì)氧化時(shí)所消耗氧化劑相對應氧的質(zhì)量濃度。COD也是反映水體受有機物和無(wú)機還原性物質(zhì)污染程度的重要指標。</p></div> <ul> <li><img src="/skins/170979/images/dot.png" /><span>產(chǎn)品型號：</span>N-CODcr-03</li> <li><img src="/skins/170979/images/dot.png" /><span>廠(chǎng)商性質(zhì)：</span>生產(chǎn)廠(chǎng)家 </li> <li><img src="/skins/170979/images/dot.png" /><span>更新時(shí)間：</span>2024-04-03</li> <li><img src="/skins/170979/images/dot.png" /><span>訪(fǎng) 問(wèn) 量：</span>3195 </li> </ul> <div id="wkhcn7gv" class="pro_detail_btn"> <a href="#cpzx" class="prodtl_btn1">產(chǎn)品咨詢(xún)</a><a href="/contact.html" target="_blank" class="prodtl_btn2">聯(lián)系我們</a> </div> </div> <div id="wkhcn7gv" class="clear"></div> </div>  <div id="wkhcn7gv" class="lyNyProDetail_con"> <div id="wkhcn7gv" class="lyNyProDetail_left lyNyPro_left"> <div id="wkhcn7gv" class="h_left"> <div id="wkhcn7gv" class="cp_type"> <div id="wkhcn7gv" 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class="lyNyProDetail_ConText"> <div><span style="font-size: 14px;"><font face="宋體">　　化學(xué)耗氧量（又稱(chēng)COD）是指在一定條件下，用強氧化劑將水樣中有機物和無(wú)機還原性物質(zhì)氧化時(shí)所消耗氧化劑相對應氧的質(zhì)量濃度。COD也是反映水體受有機物和無(wú)機還原性物質(zhì)污染程度的重要指標。</font></span></div><div><span style="font-size: 14px;"><font face="宋體"><br /></font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　該分析儀器產(chǎn)品基于港能公司水質(zhì)分析測試技術(shù)，依據國家標準測試方法《水質(zhì)-化學(xué)耗氧量測定-重鉻酸鉀（GB11914-89）》研制設計，由流體動(dòng)力單元、可視光電定量單元、流路切換單元、消解測量單元及嵌入式控制器單元組成，可快速、準確、連續、可靠完成水體中COD的測定。</font></span></div><div><span style="font-size: 14px;"><font face="宋體"><br /></font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　該分析儀器能夠根據現場(chǎng)設定長(cháng)期無(wú)人值守自動(dòng)連續工作，廣泛適用于工業(yè)污染源排放廢水、工業(yè)過(guò)程工藝廢水、工業(yè)污水處理廠(chǎng)污水、市政污水處理廠(chǎng)污水等場(chǎng)合。根據現場(chǎng)測試工況的復雜程度，可選配相應的預處理系統，以保證測試過(guò)程可靠、測試結果準確，充分滿(mǎn)足不同場(chǎng)合現場(chǎng)需求。</font></span></div><div><span style="font-size: 14px;"><font face="宋體"><br /></font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　基本原理：</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　水樣、重鉻酸鉀消解溶液、硫酸汞（硫酸汞可以消除水樣中氯離子的干擾，因氯離子能與汞離子形成非常穩定）、硫酸銀溶液（硫酸銀作為催化劑加入可以更有效地氧化直鏈脂肪化合物）混合液加熱到147℃，重鉻酸離子氧化溶液中的有機物后顏色會(huì )發(fā)生變化，分析儀檢測此顏色的變化，并把這種變化換算成COD值輸出出來(lái)。消耗的重鉻酸離子量相當于可氧化的有機物量。</font></span></div><div><span style="font-size: 14px;"><font face="宋體"><br /></font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　技術(shù)規格：</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　方法依據：國家標準GB11914-89《水質(zhì)-化學(xué)耗氧量測定-重鉻酸鉀》</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　測量范圍：4-50000mg/LCOD</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　準確度：≥100mg/L時(shí)，不超過(guò)±10%；＜100mg/L時(shí)，不超過(guò)±8mg/L</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　重復性：≥100mg/L時(shí)，不超過(guò)±10%；＜100mg/L時(shí)，不超過(guò)±6mg/L</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　測量周期：zui小測量周期為40分鐘，據實(shí)際水樣，可在5～120min任意修改消解時(shí)間</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　采樣周期：時(shí)間間隔（40～9999min任意可調）和整點(diǎn)測量模式</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　校準周期：1～99天任意間隔任意時(shí)刻可調</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　維護周期：一般每月一次，每次約30min</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　試劑消耗：小于0.35元/樣品</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　輸出：2路RS-232；1路（4～20）mA。</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　環(huán)境要求：溫度可調的室內，建議溫度+5～28℃；濕度≤90%（不結露）</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　電源：AC230±10%V，50±10%Hz，5A</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　尺寸：高1500×寬550×深450mm</font></span></div><div><span style="font-size: 14px;"><font face="宋體">　　其他：異常報警和斷電不會(huì )丟失數據；觸摸屏顯示及指令輸入</font></span></div> </div> <div id="wkhcn7gv" class="lyNyProDetail_ConTit" id="cpzx"><p>產(chǎn)品咨詢(xún)</p></div> <div id="wkhcn7gv" class="ly_msg"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="wkhcn7gv" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="wkhcn7gv" class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="在線(xiàn)cod分析儀" placeholder="請輸入產(chǎn)品名稱(chēng)" /></div> </li> <li> <h4>您的單位：</h4> <div id="wkhcn7gv" class="msg_ipt12"><input class="textborder" size="42" name="department" id="department" placeholder="請輸入您的單位名稱(chēng)" /></div> </li> <li> <h4 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