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class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190817675205078/9427909.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lvskr2o" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190817675205078/9427909.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="m2wyfhw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京銷售溶氧儀哪家強(qiáng),溶氧儀</p><p><span>***更新：</span>2020-10-18 12:07:14</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jn8zr3o" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海博取環(huán)境技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>吳龐博</p><p><span>郵箱: </span>2355456207@qq.com</p><p><span>電話: </span>15900820461</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="bqbifcz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dn7i2ew" class="box"><p><p> 在線溶氧儀報(bào)價(jià)大家普遍都覺得溶氧儀價(jià)格高，所以很多用戶都在尋在線溶氧儀報(bào)價(jià)，對(duì)于這個(gè)問(wèn)題，其他回答是有比較多，重點(diǎn)是對(duì)于在線溶氧儀報(bào)價(jià)這樣的問(wèn)題，在不同的時(shí)間段或者什么角度，還是不同的廠家，北京銷售溶氧儀哪家強(qiáng)，答案基本上是不一樣。主要還是看產(chǎn)品的品質(zhì)，很多人問(wèn)這樣的問(wèn)題時(shí)，如果更多的考慮性價(jià)比的話，那么在線溶氧儀報(bào)價(jià)就很容易找到多少錢的答案了。首先關(guān)于這個(gè)問(wèn)題我們先來(lái)了解一下關(guān)于溶氧儀的產(chǎn)品質(zhì)量。其實(shí)在線溶氧儀報(bào)價(jià)不重要，重要的是選中適合的才是**重要。一、溶解氧測(cè)定儀分類對(duì)于回答在線溶氧儀報(bào)價(jià)，那么就需要對(duì)溶解氧測(cè)定儀進(jìn)行分類說(shuō)明。大家都知道，溶解氧測(cè)定儀按照原理來(lái)分類的話是有兩種，第一種是膜法溶解氧測(cè)定儀，膜法溶解氧測(cè)定儀目前在市場(chǎng)上價(jià)格比較便宜，但是他的后期維護(hù)成本會(huì)比較高，很多業(yè)主在選擇的時(shí)候往往不知道這樣的情況。以為找到了一種價(jià)格便宜的溶解氧測(cè)定儀，開心的不得了，但是真正的使用上去以后，會(huì)發(fā)現(xiàn)后期的維護(hù)成本較高，主要是需要耗費(fèi)一定的人力物力進(jìn)行現(xiàn)場(chǎng)的維護(hù)，北京銷售溶氧儀哪家強(qiáng)，北京銷售溶氧儀哪家強(qiáng)，主要表現(xiàn)為定期進(jìn)行清洗以及添加電解液和標(biāo)定等操作，這樣就會(huì)造成后期在污水處理系統(tǒng)上帶來(lái)更多的運(yùn)維成本;第二種就是熒光法溶解氧測(cè)定儀。即在含氧的被測(cè)電解質(zhì)溶液中的兩個(gè)不同金屬電極上，將產(chǎn)生氧化還原反。北京銷售溶氧儀哪家強(qiáng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京銷售溶氧儀哪家強(qiáng),溶氧儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637190817675205078/9427909.jpg"></div><p> -產(chǎn)品概述：溶解氧儀適用于測(cè)定溶解在水中的氧氣濃度或飽和度。LDO?便攜式溶解氧測(cè)定儀是哈希公司采用溶解氧測(cè)量新技術(shù)開發(fā)而成的，適用于實(shí)驗(yàn)室和野外測(cè)試的一款便攜式溶氧儀。-工作原理：LDO?便攜式溶解氧測(cè)定儀采用溶解氧測(cè)量新技術(shù)——熒光法測(cè)量。HACHLDO?便攜式溶解氧測(cè)定儀的溶解氧傳感器被一層熒光物質(zhì)所覆蓋，當(dāng)LED光源發(fā)出的藍(lán)光照射到溶氧儀傳感器表面的熒光物質(zhì)時(shí)，熒光物質(zhì)受到激發(fā)釋放出紅光，溶解氧濃度越高，從發(fā)出藍(lán)光到釋放紅光的時(shí)間就越短，溶解氧儀會(huì)把這段時(shí)間記錄下來(lái)，在紅光釋放時(shí)間與溶解氧濃度之間建立相關(guān)性，LDO?溶氧儀通過(guò)測(cè)定紅光的釋放時(shí)間計(jì)算出溶解氧濃度，并直接將結(jié)果顯示到屏幕上。-應(yīng)用行業(yè)：LDO?溶氧儀適用于實(shí)驗(yàn)室和野外測(cè)試。-儀器特點(diǎn)：LDO?便攜式溶解氧測(cè)定儀采用高精度熒光測(cè)量法，與傳統(tǒng)的基于電流或極譜法的溶氧儀相比，具有諸多優(yōu)點(diǎn)：1）無(wú)需極化：傳統(tǒng)溶氧儀探頭在使用前通常有極化過(guò)程，而LDO?溶解氧測(cè)定儀探頭不需要極化。2）無(wú)需校準(zhǔn)：LDO?溶解氧測(cè)定儀探頭在出廠前已經(jīng)校準(zhǔn)，因此用戶在使用該溶氧儀時(shí)無(wú)需校準(zhǔn)，可直接測(cè)量溶解氧濃度。而傳統(tǒng)的溶解氧儀在使用時(shí)，通常有校準(zhǔn)步驟，校準(zhǔn)通過(guò)后。安徽銷售溶氧儀具體做法是將電極放入現(xiàn)配制的無(wú)氧水溶液（0.01 mol·L-1硼砂水溶液與無(wú)水亞***鈉配成1%～2%亞***鈉溶液。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京銷售溶氧儀哪家強(qiáng),溶氧儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637190817675332031/5587825.jpg"></div><p> 1、取待測(cè)水樣沖洗試管2次，然后將水樣加入試管中至管的刻度線；2、按照比色卡背面的操作說(shuō)明依次加入試劑于試管中；3、晃動(dòng)試管使之溶解或混合均勻；4、反應(yīng)完全后將試管放在比色卡邊（或白紙上），自上而下目視比色（單眼比色效果更好），管內(nèi)色調(diào)與比色卡上標(biāo)準(zhǔn)色相同或是相近者，即為水樣的測(cè)試結(jié)果?比色卡使用方法一、取樣按照說(shuō)明書要求取一定量待測(cè)液體置于試管中二、反應(yīng)加入反應(yīng)試劑，蓋上蓋子，充分反應(yīng)。三、比色A比色時(shí)先將比色卡平放于光線充足處B比色管垂直放在比色卡上方（詳見說(shuō)明書）C檢測(cè)人員透過(guò)液面向下觀察比色，找出與管中液體的色調(diào)相同的色階，即為待測(cè)參數(shù)濃度。?注意1、待測(cè)液體要求是無(wú)色或者淺色，顏色過(guò)深的檢測(cè)前應(yīng)先做脫色處理，渾濁的液體沉淀后取清澈部分進(jìn)行檢測(cè)2、部分指標(biāo)可能有特殊的操作要求，請(qǐng)使用前認(rèn)真閱讀比色卡背面的說(shuō)明。?應(yīng)用范圍在水產(chǎn)養(yǎng)殖、環(huán)境分析、污水廢水排放與處理、工業(yè)用水、印染與漂洗、化工與輕工、電鍍表面處理、游泳池中的水質(zhì)分析被***使用。</p><p> 水溶解氧的能力就越大，其關(guān)系由亨利（Henry）定律和道爾頓（Dalton）定律確定，亨利定律認(rèn)為氣體的溶解度與其分壓成正比。以COS4氧量測(cè)量傳感器為例，其中的電極由陰極（常用金和鉑制成）和帶電流的反電極（銀）、無(wú)電流的參比電極（銀）組成，電極浸沒在電解質(zhì)如KCl、KOH中，傳感器有隔膜覆蓋，隔膜將電極和電解質(zhì)與被測(cè)量的液體分開，因此保護(hù)了傳感器，既能防止電解質(zhì)逸出，又可防止外來(lái)物質(zhì)的侵入而導(dǎo)致污染和毒化。相反電極和陰極之間施加極化電壓，假如測(cè)量元件浸入在有溶解氧的水中，氧會(huì)通過(guò)隔膜擴(kuò)散，出現(xiàn)在陰極上（電子過(guò)剩）的氧分子就會(huì)被還原成氫氧根離子：O2+2H2O+4e-?4OH-。電化學(xué)當(dāng)量的氯化銀沉淀在反電極上（電子不足）：4Ag+4Cl-?4AgCl+4e-。對(duì)于每個(gè)氧分子，陰極放出4個(gè)電子，反電極接受電子，形成電流，電流的大小與被測(cè)同污水的氧分壓成正比，該信號(hào)連同傳感器上熱電阻測(cè)出的溫度信號(hào)被送入變送器，利用傳感器中存儲(chǔ)的含氧量和氧分壓、溫度之間的關(guān)系曲線計(jì)算出水中的含氧量，然后轉(zhuǎn)化成標(biāo)準(zhǔn)信號(hào)輸出。參比電極的功能是確定陰極電位。COS4溶氧傳感器的響應(yīng)時(shí)間為：3分鐘后達(dá)到**終測(cè)量值的90%，9分鐘后達(dá)到**終測(cè)量值的99%。當(dāng)溶解氧不斷地透過(guò)膜滲入腔體，在陰極上還原而產(chǎn)生電流，此電流在儀表上顯示出來(lái)。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京銷售溶氧儀哪家強(qiáng),溶氧儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637190817673232422/2858490.jpg"></div><p> 多用于實(shí)驗(yàn)室一般分析，注意使用中應(yīng)頻繁應(yīng)進(jìn)行維護(hù)保養(yǎng)。而極譜法使用前必須進(jìn)行極化，但無(wú)需頻繁維護(hù)，特別適用于連續(xù)過(guò)程的在線分析。折疊編輯本段溶氧儀的標(biāo)定測(cè)量前用飽和濕空氣(或平衡水)對(duì)溶氧儀進(jìn)行標(biāo)定。若測(cè)量值與用亨利定律計(jì)算的理論值相吻合，則可以使用，否則應(yīng)進(jìn)行檢查。用亨利定律計(jì)算出常見壓力、溫度范圍內(nèi)的水中氧飽和溶解度。折疊編輯本段溶氧儀的極化極譜法要求每次更換膜或電解液后，必須對(duì)電極進(jìn)行極化。所謂極化，就是去除極譜室內(nèi)電解液中殘存的溶解氧，使溶解氧向陰極表面遷移時(shí)產(chǎn)生的"本底電流"減小到零。這時(shí)，為通過(guò)原點(diǎn)的直線，所以極化又稱為調(diào)零點(diǎn)。具體做法是將電極放入現(xiàn)配制的無(wú)氧水溶液(mol·L硼砂水溶液與無(wú)水亞***鈉配成1%~2%亞***鈉溶液)，約10min即可。折疊編輯本段使用方法折疊初次使用(1)裝入電池，將氧探頭與溫度探頭插在儀表上。(2)準(zhǔn)備一杯清水，在空氣中靜置數(shù)小時(shí)，使其成為飽和氧水溶液。(3)將氧探頭與溫度探頭同時(shí)插入飽和氧水溶液中，約10min使其極化。(4)探頭一直保持連接狀態(tài)，不再需要極化操作，關(guān)閉儀表不受影響。折疊測(cè)量(1)按ON鍵打開儀表。(2)將兩探頭同時(shí)插入飽和氧水溶液中，并保持溶液流動(dòng)，若不流動(dòng)。這時(shí)，為通過(guò)原點(diǎn)的直線，所以極化又稱為調(diào)零點(diǎn)。安徽銷售溶氧儀</p><p style="text-indent:25px">極譜法測(cè)定水中溶解氧的陰極為金或鉑電極，陽(yáng)極為銀電極（Ag/AgCl參比電極）。電解液為KCl溶液。北京銷售溶氧儀哪家強(qiáng)</p><p> 型在線溶氧儀(氧表)是一種高精度、高智能化的工業(yè)分析儀，其結(jié)構(gòu)簡(jiǎn)單，使用方便，維護(hù)量小，可用于火力發(fā)電廠、石油化工、醫(yī)藥、生物工程和自來(lái)水等行業(yè)過(guò)程水質(zhì)中溶解氧的連續(xù)監(jiān)測(cè)。技術(shù)指標(biāo)測(cè)量范圍：～μg/L；～(自動(dòng)切換)精度：讀數(shù)的±5％或2μg/L的大者(～μg/L)±m(xù)g/L(～mg/L)自動(dòng)溫度補(bǔ)償范圍：0～60℃(25℃為基準(zhǔn))水樣流量：50～400mL/min水樣溫度：0～60℃響應(yīng)時(shí)間：＜60s(終值的90％，25℃)隔離輸出：4～20mA(負(fù)載電阻＜750Ω)通訊接口：RS485保護(hù)：IP65等級(jí)，防腐蝕機(jī)架數(shù)據(jù)存儲(chǔ)數(shù)量：1個(gè)月(1點(diǎn)/5分鐘)數(shù)據(jù)連續(xù)掉電保存時(shí)間：＞6年電源：AC220V±10％，50±1Hz外形尺寸(mm)：二次表144(長(zhǎng))×144(寬)×266(深)開孔尺寸(mm)：138×138安裝方式：盤裝重量：。北京銷售溶氧儀哪家強(qiáng)</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。博取環(huán)境擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供PH計(jì)，COD分析儀，氨氮分析儀，重金屬分析儀。博取環(huán)境致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。博取環(huán)境始終關(guān)注儀器儀表行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/1606658.html</p></div></div></div></div></div><div id="8bdvcel" class="page-right twoColRt"><div id="fub88li" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvnfhe3" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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