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class="NyNewsdetail_con" id="c_detail_wrap"> <p> cod氨氮測(cè)定儀功能：<br /> (1)快速、準(zhǔn)確測(cè)定地表水、中水、城市污水及工業(yè)廢水中的化學(xué)需氧量(COD)；<br />　　(2)同時(shí)測(cè)定高、低濃度COD水樣；<br />　　(3)獨(dú)立雙光路無干涉系統(tǒng)，精度高，壽命長(zhǎng)，更穩(wěn)定；<br />　　(4)高清晰度彩色液晶顯示屏，人性化操作提示，使用更簡(jiǎn)單；<br />　　(5)具有智能數(shù)據(jù)分析曲線圖表功能，數(shù)據(jù)分析一目了然；<br />　　(6)大、小字體顯示模式自由切換，顯示數(shù)據(jù)更清晰，參數(shù)更詳細(xì)；<br />　　(7)向計(jì)算機(jī)傳輸當(dāng)前數(shù)據(jù)和歷史數(shù)據(jù)，支持USB、紅外無線傳輸；<br />　　(8)同時(shí)支持比色皿和比色管兩種比色方式；<br />　　(9)濃度直讀，中文顯示界面、全中文鍵盤；<br />　　(10)室溫~190℃消解溫度調(diào)節(jié)范圍，兼容性更廣；<br />　　(11)1分鐘~96小時(shí)超寬定時(shí)時(shí)間調(diào)節(jié)范圍，通用性更強(qiáng)；<br />　　(12)智能定時(shí)加熱，延時(shí)保護(hù)，節(jié)省能耗。<br /> 當(dāng)水樣cod值小于150毫克/升時(shí)，可以直接外排或經(jīng)過一體化凈水器的二次處理后回用。當(dāng)cod值大于150毫克/升時(shí)，自動(dòng)起動(dòng)監(jiān)護(hù)泵把水打回調(diào)節(jié)池再處理。<br />　　首先在設(shè)備內(nèi)加入五種標(biāo)準(zhǔn)試劑，包括重鉻酸鉀、硫酸銀、濃硫酸、標(biāo)準(zhǔn)溶液、標(biāo)準(zhǔn)零點(diǎn)溶液。之后，采樣系統(tǒng)從監(jiān)護(hù)水池中吸入水樣等待，首先打開進(jìn)水電磁閥，由微控電機(jī)帶動(dòng)活塞泵將水樣吸入到測(cè)量管中，測(cè)量壁上有兩個(gè)紅外線定位器，當(dāng)水樣到達(dá)刻度時(shí)，紅外線定位器檢測(cè)量液體關(guān)閉進(jìn)樣電磁閥，隨后打開入口電磁閥，活塞泵將水樣壓入到消解管中；同樣方法打開相對(duì)應(yīng)溶液電磁閥，活塞泵分別吸入重鉻酸鉀、硫酸銀、濃硫酸，全部注入到消解管中加熱到175攝氏度，待一定時(shí)間的消解、冷卻過程完成后，設(shè)備通過安裝在消解管壁上的光度計(jì)測(cè)量并進(jìn)行比色換算得出cod值，同時(shí)將信號(hào)轉(zhuǎn)換成4—20Ma模擬量標(biāo)準(zhǔn)信號(hào)遠(yuǎn)傳到監(jiān)控中心可編程控制器PLC上，然后打開入口閥將廢液吸入到測(cè)量管中，打開排液電磁閥經(jīng)測(cè)量管將廢液排掉。</p> </div> <div id="sq82xwe7wu" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/jsshengaohua-News-617226/">盛奧華正式開工啦！cod測(cè)定儀*搶購(gòu)中·····</a></li> <li>下一篇：<a href="/jsshengaohua-News-567583/">便攜式cod測(cè)定儀的結(jié)構(gòu)是怎樣的？</a></li> </ul> </div> </div>   <div id="sq82xwe7wu" class="foot_box"> <div id="sq82xwe7wu" class="footCon"> <div id="sq82xwe7wu" class="foot_t w1300"> <div id="sq82xwe7wu" class="foot_lv"> <div id="sq82xwe7wu" 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