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class="twoCol"><div id="ptqnpmd" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://m.cdcfah.com/cp/second-yiqiyibiao_llyb/">流量儀表</a>?<a href="http://m.cdcfah.com/cp/third-llyb_liuliangji/">流量計(jì)</a>?常州渦街流量計(jì)廠家服務(wù)熱線推薦咨詢南儀測控技術(shù)供應(yīng)</p><div id="3dcuryv" class="leftbox clearfix"><h1>常州渦街流量計(jì)廠家服務(wù)熱線推薦咨詢南儀測控技術(shù)供應(yīng)</h1><div id="mgipryk" class="proBig"><div id="gf8w4x9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142383325195/522346.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qjg79i4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142383325195/522346.png" class="vcenter" 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class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="dn8istl" class="box"><p><p style="text-indent:25px">造成電磁流量計(jì)誤差的主要影響因素，干擾影響：1、空間電磁干擾：轉(zhuǎn)換器與傳感器問的電纜線較長，常州渦街流量計(jì)廠家服務(wù)熱線，在較強(qiáng)電磁環(huán)境下，很易受到干擾，從而引發(fā)儀器測量值出現(xiàn)非線性情況，很難正常顯示。針對這種情況，首先，引入屏蔽措施，可在接地鋼管內(nèi)進(jìn)行電纜的單獨(dú)引入，并使用達(dá)標(biāo)的屏蔽電纜；其次，常州渦街流量計(jì)廠家服務(wù)熱線，合理縮短電纜長度；再次，與強(qiáng)磁場保持較遠(yuǎn)距離。2、連接電纜問題：電磁流量應(yīng)用的實(shí)質(zhì)是借助特定的電纜，實(shí)現(xiàn)轉(zhuǎn)換器與傳感器的連接，形成完整的系統(tǒng)，因此導(dǎo)體的橫截面積、電容、電纜場地等都會(huì)產(chǎn)生不良影響，常州渦街流量計(jì)廠家服務(wù)熱線。針對該情況，首先，要保證電纜型號滿足要求，實(shí)現(xiàn)末端的有效連接，防止出現(xiàn)中間接頭現(xiàn)象；其次，控制長度范圍，通常越短越好流量計(jì)聚四氟乙烯PTFE襯里耐溫范圍-30~+180。常州渦街流量計(jì)廠家服務(wù)熱線</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州渦街流量計(jì)廠家服務(wù)熱線,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142383325195/522346.png"></div><p style="text-indent:25px">電磁流量計(jì)磁場邊緣效應(yīng)對測量有什么影響：電磁流量計(jì)轉(zhuǎn)換器所輸入的阻抗在提高測量導(dǎo)電性液體時(shí)，一般是不會(huì)因?yàn)榻橘|(zhì)電導(dǎo)率稍有變化就會(huì)引起誤差，但是對于一定的轉(zhuǎn)換器所輸入阻抗，被測量介質(zhì)的電導(dǎo)率是有一個(gè)下限值，是不能低于該下限值的。被測介質(zhì)電導(dǎo)率太大也是不可以的，所以對一個(gè)電磁流量計(jì)來說，其測量不受到介質(zhì)電導(dǎo)率影響是有一定的范圍，被測介質(zhì)的電導(dǎo)率既不能太大，也不能太小。如果電磁流量計(jì)測量介質(zhì)的電導(dǎo)率偏高的話，磁場邊緣區(qū)就會(huì)產(chǎn)生有很大的渦電流，會(huì)引起二次磁通，會(huì)使工作磁場邊緣區(qū)兩側(cè)的磁場分別會(huì)被消弱與增強(qiáng)。所以在電磁流量計(jì)測量電導(dǎo)率介質(zhì)是不能使用交流勵(lì)磁，而使用直流激磁，在隨著電子技術(shù)持續(xù)發(fā)展，流量轉(zhuǎn)換器輸入阻抗的提高，是必可以降低被測介質(zhì)電導(dǎo)率的下限。流量計(jì)電極材質(zhì)與被測介質(zhì)配置不當(dāng)，將會(huì)有化學(xué)作用或是極化現(xiàn)象而影響到正常的測量，要根據(jù)被測介質(zhì)的腐蝕性來選擇電極的材料?？梢愿鶕?jù)被測介質(zhì)的腐蝕性、磨損性與溫度選擇電磁流量計(jì)內(nèi)襯材質(zhì)，盡量選用有防雷功能的電磁流量計(jì)。常州渦街流量計(jì)廠家服務(wù)熱線電磁流量計(jì)具有自檢與自論斷功能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州渦街流量計(jì)廠家服務(wù)熱線,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142465523533/8497638.png"></div><p style="text-indent:25px">電磁流量計(jì)：1，電磁流量計(jì)是集經(jīng)典文丘里管及環(huán)形孔板的優(yōu)點(diǎn)為一體的新型節(jié)流動(dòng)裝置，它是利用錐體在流動(dòng)場中產(chǎn)生的節(jié)流動(dòng)效應(yīng)來測量流量的，與其它節(jié)流動(dòng)流量計(jì)不同的是它改變了節(jié)流動(dòng)布局，從中心孔節(jié)流動(dòng)改變?yōu)榄h(huán)形節(jié)流動(dòng)，其理論原理是基于封閉管道中能量守恒定律的伯努力方程和流動(dòng)動(dòng)連續(xù)性方程，在穩(wěn)定流動(dòng)的情況較，管道中的流動(dòng)速與差壓的平方根成正比，電磁流量計(jì)穩(wěn)定性好，準(zhǔn)確度高，重復(fù)性好，量程比寬，對安裝管路要求低，壓損小，可測量含有固體顆粒流動(dòng)體，高壓流動(dòng)體，高含濕氣體及各種贓污流動(dòng)體。2，工作原理:電磁式流量傳感器包括一個(gè)在測量管中同軸安裝的尖圓錐體和相應(yīng)的取壓口，該測量管是經(jīng)過精密加工的，在尖圓錐體的兩端產(chǎn)生差壓，該差壓的高壓（正壓）是在上游流動(dòng)體收縮前管壁口處測量的靜壓力，而低壓（負(fù)壓）則取自圓錐體朝向較流動(dòng)端面錐體中心軸線孔處壓力。該圓錐體的較好朝向來流動(dòng)，圓錐體與其尾面之間是一個(gè)尖銳的銳角，此交合面的邊緣使流動(dòng)體在進(jìn)入較游低壓區(qū)之前有一個(gè)平滑的過度區(qū)。</p><p style="text-indent:25px">使用玻璃轉(zhuǎn)子流量計(jì)技術(shù)在以下五點(diǎn)：1.得到一個(gè)玻璃轉(zhuǎn)子流量計(jì)，觀察的玻璃管玻璃轉(zhuǎn)子流量計(jì)是完整的，因?yàn)榭梢暂p易打破玻璃。其次是消除裝置，輕輕向后看的自由轉(zhuǎn)子可以向上和向下滑動(dòng)。如果你不能自由滑動(dòng)，我們應(yīng)該輕輕地支持振動(dòng)板，這通?？梢曰?。如果我們不滑，你需要紅旗的專業(yè)技術(shù)人員解決。2.在管道安裝，先看看上游和下游管直線。如果你不是直線，不僅會(huì)影響精度的測量儀器和會(huì)損壞儀器。3.前兩點(diǎn)保證正確，就可以開始。經(jīng)營者應(yīng)當(dāng)使用仔細(xì)閱讀說明書。一定要打開閥門慢慢打開，如果估計(jì)的血流浮動(dòng)轉(zhuǎn)子和轉(zhuǎn)子不動(dòng)了，這一次開閥立即停止，而自來水管，使轉(zhuǎn)子能逐漸增加。有許多運(yùn)營商打開閥門太多，只是安裝了新設(shè)備，激烈的打開閥門造成的玻璃內(nèi)的玻璃管流量計(jì)轉(zhuǎn)子損壞。這應(yīng)該引起注意的算子。4.使用安全：一些廠商希望刪除前套管的使用，這是不允許的，因?yàn)椴Ａ菀状?，蓋刪除使用，覆蓋有保護(hù)作用。所以我們不能拆下殼體。5，玻璃轉(zhuǎn)子流量計(jì)將用于保持溫暖的冬季，如果不是在夜間使用，一定要放手流內(nèi)的殘液，因此凍結(jié)玻璃破碎。電磁流量計(jì)是一種測量導(dǎo)電介質(zhì)體積流量的感應(yīng)式儀表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州渦街流量計(jì)廠家服務(wù)熱線,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711026734705/3791399.png"></div><p style="text-indent:25px">電磁流量計(jì)有哪幾種供電方式：電磁流量計(jì)曾經(jīng)成為化工企業(yè)介質(zhì)測量流量的流量計(jì)之一，只需液體具有必定的導(dǎo)電率，便可以選用電磁流量計(jì)中止流量的測量，作為功能較好的流量計(jì)計(jì)量東西，電磁流量計(jì)在水，污水，硫酸，氨水等導(dǎo)電液體中使用多。電磁流量計(jì)不同于容積的流量計(jì)，電磁流量計(jì)的作業(yè)有賴于電力的供應(yīng)，針關(guān)于不同的工況條件，流量計(jì)的供電方法現(xiàn)在首要有三種，分別是市電220V溝通供電，24V直流電源供電，電池（首要是高功能鋰電池）供電。1、220V供電，電磁流量計(jì)現(xiàn)在使用多，一般工業(yè)現(xiàn)場都有220V的電源，流量計(jì)只需按照懇求中止設(shè)備，無需另外裝備其他安裝，通上電便可中止作業(yè)。220V供電電磁流量計(jì)可以做成一體式也可以做成分體式。2、電池供電是在現(xiàn)場沒有外接電源的情況下，或者是現(xiàn)場出于安全的思索的情況下做成電池供電的，可以現(xiàn)場閃現(xiàn)瞬時(shí)流量，累積流量，可以省卻拖接電源的本錢，在較為偏僻的環(huán)境中這種電池供電方法則顯得尤為重要。首要缺陷在于要定期中止電池的查看與改換。電池供電型電磁流量計(jì)目前所使用的不是很多，主要是用在現(xiàn)場沒有任何電源的情況下來使用。金華渦輪流量計(jì)哪家口碑好</p><p style="text-indent:25px">電磁流量計(jì)主要由流量傳感器、轉(zhuǎn)換顯示器和勵(lì)磁電源三大部分組成。常州渦街流量計(jì)廠家服務(wù)熱線</p><p style="text-indent:25px">V錐流量計(jì)解決了寬量程得問題：引起節(jié)流動(dòng)式流量計(jì)誤差得因素很多，如直管段條件、安裝條件等，這些都可通過設(shè)計(jì)與施工予以保證。但在蒸汽輸送過程中，實(shí)際得流量范圍往往無法準(zhǔn)確確定，在工藝條件變化較大得情況較，流量計(jì)會(huì)長時(shí)間工作在測量范圍得量程較限或上限，這樣就造成了很較大得測量誤差。因此在設(shè)計(jì)蒸汽流量計(jì)量系統(tǒng)時(shí)，應(yīng)考慮使用具有寬量程補(bǔ)償運(yùn)算功能得計(jì)量儀表。V錐流量計(jì)得問世，使我們能擁有寬量程得節(jié)流動(dòng)式流量計(jì)成為可能。在滿足準(zhǔn)確度得同時(shí)，其流量測量范圍可真正達(dá)到10：1（或更寬），節(jié)流動(dòng)式流量計(jì)得這一飛躍是多項(xiàng)技術(shù)進(jìn)步得成果，它改變著人們對節(jié)流動(dòng)式流量計(jì)得傳統(tǒng)認(rèn)識。常州渦街流量計(jì)廠家服務(wù)熱線</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司位于滬閔路1871號9甲幢4樓407室。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)深受客戶的喜愛。公司從事五金、工具多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。南儀測控技術(shù)立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2637796.html</p></div></div></div></div></div><div id="lproqc7" class="page-right twoColRt"><div 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