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container clearfix"><div id="3jnl3zp" class="twoCol"><div id="g7uemq7" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_huanbao/">環(huán)保</a>?<a href="http://www.cdcfah.com/cp/second-huanbao_fenxiyiqile/">分析儀器</a>?<a href="http://www.cdcfah.com/cp/third-fenxiyiqile_szfxydl/">水質(zhì)分析儀</a>?陜西電導率儀價目表上海博取環(huán)境技術(shù)供應</p><div id="po2awtn" class="leftbox clearfix"><h1>陜西電導率儀價目表上海博取環(huán)境技術(shù)供應</h1><div id="rm3siqk" class="proBig"><div id="geua3wi" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637066592888837890/2673522.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8niyxt8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637066592888837890/2673522.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ysifp78" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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)品關鍵詞：</span>陜西電導率儀價目表,電導率儀</p><p><span>***更新：</span>2021-01-29 03:04:17</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="h3xdahb" 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: </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qkrj8tv" class="page-proshow02"><p class="title">詳細說明</p><div id="2zli8eb" class="box"><p><p style="text-indent:25px">測量方法編輯電導率的測量通常是溶液的電導率測量。固體導體的電阻率可以通過歐姆定律和電阻定律測量。電解質(zhì)溶液電導率的測量一般采用交流信號作用于電導池的兩電極板，由測量到的電導池常數(shù)K和兩電極板之間的電導G而求得電導率σ。電導率測量中**早采用的是交流電橋法，它直接測量到的是電導值。**常用的儀器設置有常數(shù)調(diào)節(jié)器、溫度系數(shù)調(diào)節(jié)器和自動溫度補償器，在一次儀表部分由電導池和溫度傳感器組成，可以直接測量電解質(zhì)溶液電導率，陜西電導率儀價目表。測量原理電導率的測量原理是將相互平行且距離是固定值L的兩塊極板（或圓柱電極），放到被測溶液中，在極板的兩端加上一定的電勢（為了避免溶液電解，陜西電導率儀價目表，陜西電導率儀價目表，通常為正弦波電壓，頻率1～3 kHz）。然后通過電導儀測量極板間電導。陜西電導率儀價目表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西電導率儀價目表,電導率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066592888837890/2673522.jpg"></div><p style="text-indent:25px">電導率是以數(shù)字表示溶液傳導電流的能力。水的電導率與其所含無機酸、堿、鹽的量有一定的關系，當它們的濃度較低時，電導率隨著濃度的增大而增加，因此，該指標常用于推測水中離子的總濃度或含鹽量。 1.電導率與水的硬度水溶液的電導率直接和溶解固體量濃度成正比，而且固體量濃度越高，電導率越大。電導率和溶解固體量濃度的關系近似表示為：1.4μS/cm=1ppm或2μS/cm=1ppm(每百萬單位CaCO3)。利用電導率儀或總固體溶解量計可以間接得到水的總硬度值，如前述，為了近似換算方便，1μs/cm電導率 = 0.5ppm硬度但是需要注意： (1)以電導率間接測算水的硬度，其理論誤差約20~30 ppm (2)溶液的電導率大小決定分子的運動，溫度影響分子的運動，為了比較測量結(jié)果，測試溫度一般定為20℃或25℃ (3)采用試劑檢測可以獲取比較準確的水的硬度值。陜西電導率儀價目表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西電導率儀價目表,電導率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225488282/6264812.png"></div><p> 由于測量溶液的濃度和溫度不同，以及測量儀器的精度和頻率也不同，電導電極常數(shù)K有時會出現(xiàn)較大的誤差，使用一段時間后，電極常數(shù)也可能會有變化，因此，新購的電導率電極，以及使用一段時間后的電導率電極，電極常數(shù)應重新測量標定。電導電極常數(shù)測量時，應注意以下幾點：1、測量時應采用配套使用的電導率儀，不要采用其它型號的電導率儀。2、測量電極常數(shù)的KCL溶液的溫度，以接近實際被測溶液的溫度為好。3、測量電極常數(shù)的KCL溶液的濃度，以接近實際被測溶液的濃度為好。五、電導率儀使用時的注意事項1、在測量純水或超純水時，為了避免測量值的漂移現(xiàn)象，建議采用密封槽，在密封狀態(tài)下的進行流動測量，如采用燒杯取樣測量，則會產(chǎn)生較大的誤差。2、因溫度補償是采用固定的2%的溫度系數(shù)，所以，超、高純水的測量，盡量采用溫度不補償方式進行，測量后查表。3、電極插頭座應防止受潮，儀表應安置于干燥環(huán)境，避免因為水滴濺射或受潮，引起儀表的漏電或測量誤差。4、測量電極是精密部件，不可以分解，不可以改變電極形狀和尺寸，且不可以用強酸、堿清洗，以免改變電極常數(shù)，而影響儀表測量的準確性。5、為確保測量的精度，電極使用前，應用小于(或去離子水)沖洗二次。</p><p style="text-indent:25px">2019 年 9月2日下午三點歡迎臨港科創(chuàng)中心招商辦張總與上海海洋大學施書記來公司參觀設備，交流經(jīng)驗對于本公司的設備，學校教授很感興趣，后期可多進行校企合作。施書記一行參觀了公司沙盤，并聽取公司基本情況介紹。施書記說到：要在企業(yè)合作方面搞好服務，同時按照相關規(guī)定開始前期準備工作，搭建協(xié)會平臺，形成整體合力，做**和地方企業(yè)之間橋梁和紐帶，實現(xiàn)***的校企合作為上海臨港經(jīng)濟社會發(fā)展做出積極貢獻。歡迎大家來公司參觀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西電導率儀價目表,電導率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225644532/1167102.png"></div><p style="text-indent:25px">水的硬度水的硬度是指水中鈣、鎂離子的濃度，硬度單位是ppm，1ppm**水中碳酸鈣含量1毫克/升(mg/L)。電導（G）是電阻（R）的倒數(shù)。因此當兩個電極（通常為鉑電極或鉑黑電極）插入溶液中，可以測出兩電極間的電阻R。根據(jù)歐姆定律，溫度一定時，這個電阻值與電極間距L（cm）正比，與電極的截面積A（cm2）反比，即R =ρ×（L/A）；其中ρ為電阻率,是長1cm，截面積為1cm2導體的電阻，其大小決定于物質(zhì)的本性。據(jù)上式，導體的電導（G）可表示成下式：G =1/R=（1/ρ）×（A/L）=K×（1/J）；其中，K=1/ρ稱為電導率，J =L/A稱為電極常數(shù)；電解質(zhì)溶液電導率指相距1cm的兩平行電極間充以1cm3溶液時所具有的電導。由上式可見，當已知電極常數(shù)（J），并測出溶液電阻（R）或電導（G）時，即可求出電導率 [1] 陜西電導率儀價目表</p><p style="text-indent:25px">陜西電導率儀價目表</p><p> 電導測試儀原理 </p> <p> 經(jīng)過國際上大量的實驗數(shù)據(jù)表明，電導值與電池容量呈很好的線形關系。對于同一種電池，隨著使用后電池容量的下降，該電池的電導值也會下降，這樣的一個線形關系正是電導儀能夠正確判定電池健康情況的基礎。正因為如此，國際電氣和電子工程師協(xié)會（IEEE）正式把電導測試法作為檢測鉛酸蓄電池的檢測標準之一，在IEEE標準1118-1996的第15頁，明確指出：電池電導的測量是將已知頻率和振幅的交流電壓加到電池的兩端，然后測量所產(chǎn)生的電流。交流電導值就是與交流電壓同相的交流電流分量與交流電壓的比值。明顯的電導值的變化（下降大于20%）就意味著電池性能的變化。陜西電導率儀價目表</p><p style="text-indent:25px">　　上海博取環(huán)境技術(shù)有限公司是國內(nèi)大型的水質(zhì)分析儀器、自動化儀器儀表專業(yè)的生產(chǎn)制造企業(yè)，具有**的產(chǎn)品研發(fā)中心，以及齊全的工藝設備和檢測設備，為制造出性能優(yōu)良、質(zhì)量可靠的產(chǎn)品奠定了堅實的基礎。上海博取環(huán)境技術(shù)有限公司經(jīng)過多年的經(jīng)營建立了完善的產(chǎn)品體系。通過傳統(tǒng)渠道和互聯(lián)網(wǎng)渠道相結(jié)合的方式，形成了完整的營銷脈絡，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)量服務視為企業(yè)的生命，為使廣大用戶享受完整的配套服務, 完善的技術(shù)咨詢及完美的售后服務, 多年來產(chǎn)品服務不斷升級，得到廣大用戶的一致好評!!歡迎大家來我們公司實地考察!</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3056977.html</p></div></div></div></div></div><div id="2hdzo7j" class="page-right twoColRt"><div id="32k8yl8" class="box01 margin10 clearfix"><h3><a 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