北京電導(dǎo)率儀平均價(jià)格上海博取環(huán)境技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="上海博取環(huán)境技術(shù)有限公司便攜電導(dǎo)率測(cè)定儀是一款多量程儀器，能夠滿足從去離子水到海水等多種應(yīng)用檢測(cè)要求。這款儀器能夠提供自動(dòng)溫度補(bǔ)償，并能設(shè)置溫度系數(shù)，因此能夠用于測(cè)量溫度系數(shù)與水不同的液體樣品。它能夠提供三個(gè)量程并具有量程自動(dòng)選擇功能，北京"><meta name="keywords" content="北京電導(dǎo)率儀平均價(jià)格,電導(dǎo)率儀"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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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>北京電導(dǎo)率儀平均價(jià)格,電導(dǎo)率儀</p><p><span>***更新：</span>2021-01-31 07:06:22</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="z3iuwy8" 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="lfmoq7q" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rgdacjd" class="box"><p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司便攜電導(dǎo)率測(cè)定儀是一款多量程儀器，能夠滿足從去離子水到海水等多種應(yīng)用檢測(cè)要求。這款儀器能夠提供自動(dòng)溫度補(bǔ)償，并能設(shè)置溫度系數(shù)，因此能夠用于測(cè)量溫度系數(shù)與水不同的液體樣品。它能夠提供三個(gè)量程并具有量程自動(dòng)選擇功能，北京電導(dǎo)率儀平均價(jià)格，北京電導(dǎo)率儀平均價(jià)格，北京電導(dǎo)率儀平均價(jià)格，能夠在檢測(cè)時(shí)自動(dòng)選擇**為合適的量程。隨儀器提供一支雙插頭不銹鋼電導(dǎo)率電極且內(nèi)置溫度傳感器（用于自動(dòng)溫度補(bǔ)償），一個(gè)橡膠防滑套，4節(jié)堿性AAA電池，儀器操作手冊(cè)和一個(gè)便攜軟包。北京電導(dǎo)率儀平均價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電導(dǎo)率儀平均價(jià)格,電導(dǎo)率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225644532/1167102.png"></div><p style="text-indent:25px">排放標(biāo)準(zhǔn)，是國(guó)家對(duì)人為污染源排入環(huán)境的污染物的濃度或總量所作的限量規(guī)定。通用的污染物排放標(biāo)準(zhǔn)規(guī)定一定范圍（全國(guó)或一個(gè)區(qū)域）內(nèi)普遍存在或危害較大的各種污染物的容許排放量，適用于各個(gè)行業(yè)。有的通用排放標(biāo)準(zhǔn)按不同排向(如水污染物按排入下水道、河流、湖泊、海域)分別規(guī)定容許排放量。排放標(biāo)準(zhǔn)：汽車排放是指從廢氣中排出的CO(一氧化碳)、HC+NOx(碳?xì)浠衔锖偷趸?、PM(微粒，碳煙)等有害氣體。從2004年1月1日起，北京將對(duì)機(jī)動(dòng)車的尾氣排放標(biāo)準(zhǔn)由歐洲I號(hào)改為歐洲II號(hào)，到2008年，則正式實(shí)施歐洲III號(hào)標(biāo)準(zhǔn)。北京電導(dǎo)率儀平均價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電導(dǎo)率儀平均價(jià)格,電導(dǎo)率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066592888837890/2673522.jpg"></div><p> 土壤電導(dǎo)率儀是一種便攜式常規(guī)測(cè)量分析儀器，采用一體化結(jié)構(gòu)設(shè)計(jì)，可以測(cè)量土壤鹽分，有便攜式主機(jī)、傳感器、軟件等組成，操作簡(jiǎn)便。該儀器廣泛應(yīng)用于旱作節(jié)水灌溉、精細(xì)農(nóng)業(yè)、林業(yè)、地質(zhì)勘探、植物培育、溫室大棚種植、水利、環(huán)保、科學(xué)試驗(yàn)等領(lǐng)域。在農(nóng)業(yè)生產(chǎn)中，土壤是一切的關(guān)鍵，過(guò)去我們比較關(guān)注土壤的養(yǎng)分狀況，其實(shí)土壤的水分也關(guān)系著土壤的肥沃程度，水分充足的土壤更加有利于作物的成長(zhǎng)，土壤水分和溫度是土壤的重要組成部分，對(duì)作物的生長(zhǎng)、節(jié)水灌溉等有著非常重要的作用。所以為了更好的保證作物的成長(zhǎng)，我們有必要對(duì)土壤中的水分溫度進(jìn)行測(cè)量，通過(guò)掌握土壤的水分(墑情)的分布狀況，為差異化的節(jié)水灌溉提供科學(xué)的依據(jù)，同時(shí)精確的供水也有利于提高作物的產(chǎn)量和品質(zhì)。土壤電導(dǎo)率儀采用一體化結(jié)構(gòu)設(shè)計(jì)，內(nèi)置GPS模塊，GPRS模塊，外置SD卡，能準(zhǔn)確的測(cè)量出被測(cè)地點(diǎn)的地理信息，界面除顯示所測(cè)環(huán)境參數(shù)、存儲(chǔ)數(shù)據(jù)外，還可顯示測(cè)點(diǎn)的經(jīng)緯度。通過(guò)內(nèi)置的GPRS一鍵上傳被測(cè)點(diǎn)的環(huán)境因子測(cè)量數(shù)據(jù)等。同時(shí)還可以通過(guò)外置SD卡直接把數(shù)據(jù)導(dǎo)出到電腦上。本機(jī)體積小巧、美觀，操作簡(jiǎn)單方便，性能可靠，野外攜帶極為方便。</p><p> 電導(dǎo)率（conductivity），也稱為導(dǎo)電率：是用來(lái)描述物質(zhì)中電荷流動(dòng)難、易程度的參數(shù)，水的導(dǎo)電性即水的電阻的倒數(shù)，通常用它來(lái)表示水的純凈度。電導(dǎo)率是物體傳導(dǎo)電流的能力。一、電導(dǎo)率儀的單位電導(dǎo)的基本單位是西門子（S），原來(lái)被稱為姆歐，取電阻單位歐姆倒數(shù)之意。因?yàn)殡妼?dǎo)池的幾何形狀影響電導(dǎo)率值，所以標(biāo)準(zhǔn)的測(cè)量中用單位S/cm來(lái)表示電導(dǎo)率，以補(bǔ)償各種電極尺寸造成的差別。單位電導(dǎo)率（C）簡(jiǎn)單的說(shuō)，是所測(cè)電導(dǎo)（G）與電導(dǎo)池常數(shù)(L/A)的乘積。這里的L為兩塊極板之間的液柱長(zhǎng)度，A為極板的面積。=ρl=l/σ1、定義：電阻率的倒數(shù)為電導(dǎo)率。σ=1/ρ2、單位:在國(guó)際單位制中，電導(dǎo)率的單位是西門子/米，其它單位有：s/cm，us/cm。1S/m=；3、電導(dǎo)率的物理意義：是表示物質(zhì)導(dǎo)電的性能。電導(dǎo)率越大則導(dǎo)電性能越強(qiáng)，反之越小。二、電導(dǎo)率的測(cè)量原理將兩塊平行的極板，放到被測(cè)溶液中，在極板的兩端加上一定的電勢(shì)（通常為正弦波電壓），然后測(cè)量極板間流過(guò)的電流。根據(jù)歐姆定律，電導(dǎo)率(G)--電阻(R)的倒數(shù)，是由電壓和電流決定的。引起離子在被測(cè)溶液中運(yùn)動(dòng)的電場(chǎng)，是由與溶液直接接觸的二個(gè)電極產(chǎn)生的。此對(duì)測(cè)量電極必須由抗化學(xué)腐蝕的材料制成。實(shí)際中經(jīng)常用到的材料有鈦等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電導(dǎo)率儀平均價(jià)格,電導(dǎo)率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225488282/6264812.png"></div><p> 由二個(gè)電極組成的測(cè)量電極被稱為科爾勞施（Kohlrausch）電極。電導(dǎo)率的測(cè)量需兩個(gè)參數(shù)：一個(gè)是溶液的電導(dǎo)，另一個(gè)是溶液中L/A的幾何關(guān)系，電導(dǎo)可以通過(guò)電流、電壓的測(cè)量得到。電導(dǎo)率常數(shù)K=L/A其中：A-測(cè)量電極的有效極板，L-兩極板的距離。這一值則被稱為電極常數(shù)。在電極間存在均勻電場(chǎng)的情況下,電極常數(shù)可以通過(guò)幾何尺寸算出。當(dāng)兩個(gè)面積為1cm2的方形極板，之間相隔1cm組成電極時(shí)，此電極的常數(shù)K=1cm-1。如果用此對(duì)電極測(cè)得電導(dǎo)值G=1000μS，則被測(cè)溶液的電導(dǎo)率K=1000μS/cm。一般情況下，電極常形成部分非均勻電場(chǎng)。此時(shí)，電極常數(shù)必須用標(biāo)準(zhǔn)溶液進(jìn)行確定。標(biāo)準(zhǔn)溶液一般都使用KCl（氯化鉀）溶液，這是因?yàn)镵Cl的電導(dǎo)率的不同的溫度和濃度情況下非常穩(wěn)定，準(zhǔn)確。mol/l的KCl溶液在25℃時(shí)電導(dǎo)率為。所謂不均勻電場(chǎng)（也稱作雜散場(chǎng)，漏泄場(chǎng)）沒(méi)有常數(shù)，而是與離子的種類和濃度有關(guān)。因此，一個(gè)純雜散場(chǎng)電極是復(fù)雜的電極，它通過(guò)一次校準(zhǔn)，不能滿足寬的測(cè)量范圍的需要。（不均勻電場(chǎng)：是電場(chǎng)區(qū)域內(nèi)電場(chǎng)強(qiáng)度的大小和方向，隨空間坐標(biāo)而變的電場(chǎng)。反之，電場(chǎng)強(qiáng)度的大小和方向與坐標(biāo)無(wú)關(guān)的電場(chǎng)，被稱為均勻電場(chǎng)。北京電導(dǎo)率儀平均價(jià)格</p><p style="text-indent:25px">北京電導(dǎo)率儀平均價(jià)格</p><p style="text-indent:25px">隨著儀器儀表和計(jì)算機(jī)的完美結(jié)合，為了更好的滿足人們對(duì)精神世界的需求，體驗(yàn)多維世界給人們帶來(lái)的**，儀器儀表的虛擬化開(kāi)始發(fā)展。身臨其境接受客觀實(shí)物，給美又增添了一絲創(chuàng)意。我國(guó)現(xiàn)有私營(yíng)有限責(zé)任公司企業(yè)數(shù)千多家，已經(jīng)形成門類品種比較齊全，具有一定技術(shù)基礎(chǔ)和生產(chǎn)規(guī)模的產(chǎn)業(yè)體系。但同時(shí)業(yè)內(nèi)行家也指出，雖然我國(guó)測(cè)試儀器產(chǎn)業(yè)有了一定的發(fā)展，但遠(yuǎn)遠(yuǎn)不能滿足國(guó)民經(jīng)濟(jì)各行各業(yè)日益增長(zhǎng)的迫切需求。工業(yè)領(lǐng)域轉(zhuǎn)型升級(jí)、提升發(fā)展質(zhì)量等有利于儀器儀表行業(yè)的發(fā)展；**安全、社會(huì)安全、產(chǎn)業(yè)和信息安全等需要自主、PH計(jì)，COD分析儀，氨氮分析儀，重金屬分析儀裝備，成為全社會(huì)共識(shí)；為迎接生產(chǎn)型百年未有之大變局，行家認(rèn)為，要重新定義中國(guó)在世界經(jīng)濟(jì)版圖中的地位，要順應(yīng)形勢(shì)實(shí)現(xiàn)制造升級(jí)。以華立集團(tuán)在境外開(kāi)發(fā)“中國(guó)工業(yè)園”的成功案例來(lái)闡述，跨國(guó)經(jīng)營(yíng)要成為企業(yè)主動(dòng)的戰(zhàn)略選擇，在不確定性中更好地活下去，以全球化視野看問(wèn)題，很多困惑在全球化過(guò)程中會(huì)迎刃而解。北京電導(dǎo)率儀平均價(jià)格</p><p style="text-indent:25px">　　上海博取環(huán)境技術(shù)有限公司是國(guó)內(nèi)大型的水質(zhì)分析儀器、自動(dòng)化儀器儀表專業(yè)的生產(chǎn)制造企業(yè)，具有**的產(chǎn)品研發(fā)中心，以及齊全的工藝設(shè)備和檢測(cè)設(shè)備，為制造出性能優(yōu)良、質(zhì)量可靠的產(chǎn)品奠定了堅(jiān)實(shí)的基礎(chǔ)。上海博取環(huán)境技術(shù)有限公司經(jīng)過(guò)多年的經(jīng)營(yíng)建立了完善的產(chǎn)品體系。通過(guò)傳統(tǒng)渠道和互聯(lián)網(wǎng)渠道相結(jié)合的方式，形成了完整的營(yíng)銷脈絡(luò)，使貿(mào)易方式更加***豐富。上海博取環(huán)境技術(shù)有限公司把質(zhì)量服務(wù)視為企業(yè)的生命，為使廣大用戶享受完整的配套服務(wù), 完善的技術(shù)咨詢及完美的售后服務(wù), 多年來(lái)產(chǎn)品服務(wù)不斷升級(jí)，得到廣大用戶的一致好評(píng)!!歡迎大家來(lái)我們公司實(shí)地考察!</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3091935.html</p></div></div></div></div></div><div id="smewifr" class="page-right twoColRt"><div id="tdvheqi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bl87ebd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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