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src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711037769862/4139399.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="u8oqhd7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711037769862/4139399.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b8c7pjv" 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>紹興高精度流量計(jì)報(bào)價(jià),流量計(jì)</p><p><span>***更新：</span>2021-01-15 07:11:42</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="a82xv37" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測控技術(shù)(上海)有限公司</a></p><p><span>聯(lián)系人：</span>桂經(jīng)理</p><p><span>郵箱: </span>704766500@qq.com</p><p><span>電話: </span>17802114401</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.nanicontrol.com</p><p><span>手機(jī): </span>021-61559357</p><p><span>地址: </span>滬閔路1871號9甲幢4樓407室</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="ylcspw8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3xsjkr2" class="box"><p><p style="text-indent:25px">金屬管流量計(jì)原理是什么？金屬管轉(zhuǎn)子流量計(jì)是變面積式流量計(jì)的一種，在一根由較向上擴(kuò)展的筆直錐管中，圓形橫截面的浮子的重力是由液體動力承受的，浮子能夠在錐管內(nèi)自由地上升和較降。在流動速和浮力作用上較運(yùn)動，與浮子重量平衡后，通過磁耦合傳到與刻度盤指示流量。金屬管浮子流量計(jì)浮子在測量管中，跟著流量的改變，將浮子向上移動，在某一方位浮子所受的浮力與浮子重力到達(dá)平衡。此時(shí)浮子與孔板（或錐管）間的流動通環(huán)隙面積保持必定。環(huán)隙面積與浮子的上升高度成正比，即浮子在測量管中上升的方位替代流量的巨細(xì)。金屬錐形管浮子流量計(jì)：金屬管錐形管浮子流量計(jì)口徑15~40mm，紹興高精度流量計(jì)報(bào)價(jià)，通過磁鋼耦合等方法，將浮子的位移傳給套管外的轉(zhuǎn)換部分，紹興高精度流量計(jì)報(bào)價(jià)。與通明錐形管浮子流量計(jì)比較，紹興高精度流量計(jì)報(bào)價(jià)?？捎糜谳^高的介質(zhì)溫度和壓力，而且不易破碎。是一種測量導(dǎo)電介質(zhì)體積流量的感應(yīng)式儀表。紹興高精度流量計(jì)報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興高精度流量計(jì)報(bào)價(jià),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711037769862/4139399.png"></div><p style="text-indent:25px">在石油化工、冶金、食品飲料、制藥、造紙、染料等眾多領(lǐng)域，通常采用電磁流量計(jì)對流動的各種混濁、懸浮液體介質(zhì)（水煤漿、泥漿污水、水泥混凝土漿、紙漿、金屬流體等）的流量進(jìn)行測量。電磁流量計(jì)用信號電纜主要用于將電磁流量計(jì)的實(shí)際測量結(jié)果信號傳輸至顯示系統(tǒng)。隨著電磁流量計(jì)測量系統(tǒng)中電路的日趨復(fù)雜和對信號傳輸要求的逐步提高，傳統(tǒng)電磁流量計(jì)用信號電纜的性能已無法滿足使用要求。傳統(tǒng)電磁流量計(jì)用信號電纜的性能主要存在以下缺點(diǎn)和不足：電纜內(nèi)部產(chǎn)生較大噪音，造成信號的分辨率和精度較低。實(shí)際應(yīng)用中，傳統(tǒng)電磁流量計(jì)用信號電纜易因受振動、沖擊、彎曲以及外界溫度變化，造成內(nèi)部摩擦，從而產(chǎn)生噪音。當(dāng)噪音夾在信號中一同輸出時(shí)，則將影響傳輸信號的分辨率和精度，這種影響在電磁流量計(jì)用于黏稠甚至難于流動的固液兩相流介質(zhì)（如煤焦油、渣油、食物漿、紙漿、乳膠、混合膠）及脈動流介質(zhì)等多種流體的微量*計(jì)量時(shí)更加突出，將造成計(jì)量誤差較大和計(jì)量不準(zhǔn)確。金華高精度流量計(jì)哪家實(shí)惠電磁流量計(jì)內(nèi)部設(shè)有不掉電始終，可記錄16次掉電時(shí)間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興高精度流量計(jì)報(bào)價(jià),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142302835889/3702973.png"></div><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，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，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、電纜場地等都會產(chǎn)生不良影響。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</p><p style="text-indent:25px">電磁流量計(jì)它除了有供電方式多樣性之外，它的內(nèi)在功能也是很強(qiáng)較大的，是能夠測量介質(zhì)的正向流量與反相流量，能夠用于測量液體介質(zhì)的流動速，是可以測量瞬時(shí)流量與累積流量。電磁流量計(jì)已經(jīng)是工業(yè)企業(yè)測量液體介質(zhì)的流量計(jì)，只要液體是有一定的導(dǎo)電率，就可以選擇電磁流量計(jì)作為測量的工具，它對于水、污水、硫酸等導(dǎo)電性液體應(yīng)用是*多的。電磁流量計(jì)如果是供電220V是可以做成一體式或是分體式，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較來使用。同時(shí)也會有故障報(bào)警的功能，正反相流量是進(jìn)行切換的功能，上較流量設(shè)置并且報(bào)警功能。電磁流量計(jì)如果是供電24V就要在工業(yè)現(xiàn)場不允許使用交流動電或是從安全的方面來考慮到所采用低壓直流動電的場所，或是配有流量積算儀是有積算儀給電磁流量計(jì)進(jìn)行供電的，這樣只能選擇24V供電。電磁流量計(jì)可自由選配溫度補(bǔ)償、壓力溫度，滿足更多現(xiàn)場使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興高精度流量計(jì)報(bào)價(jià),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142465523533/8497638.png"></div><p style="text-indent:25px">如何避免電磁流量計(jì)中氣泡噪聲：1、應(yīng)從安裝上滿足電磁流量計(jì)上游直管段長度要求,規(guī)范儀表的安裝,選擇遠(yuǎn)離熱源的安裝場所,合理使用管道流動速,選用光潔度高的PFA氟塑料襯里和高純氧化鋁工業(yè)陶瓷導(dǎo)管。這些措施將有助于防止或減小旋渦和氣體分離的發(fā)生。也就是說,改進(jìn)傳感器制造工藝、改善使用儀表環(huán)境條件和安裝條件、采用儀表上游加裝排氣閥等措施,有可能避免問題的發(fā)生。2、合理地設(shè)置流量計(jì)阻尼時(shí)間和功能,也可以解決出現(xiàn)氣泡噪聲測量的誤報(bào)警。阻尼時(shí)間的選擇是根據(jù)流量信號中發(fā)生氣泡噪聲的脈沖寬度來選取。一般應(yīng)取阻尼時(shí)間為氣泡噪聲脈沖寬度的3~5倍。如氣泡噪聲脈沖寬度是10s,阻尼時(shí)間應(yīng)取30~50s。具體選擇應(yīng)根據(jù)要求的控制精度,3倍脈沖寬度控制誤差在5%,5倍脈沖寬度控制精度高于1%。電磁流量計(jì)**度壓電晶體，一體成形，耐沖擊。紹興高精度流量計(jì)報(bào)價(jià)</p><p style="text-indent:25px">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。紹興高精度流量計(jì)報(bào)價(jià)</p><p style="text-indent:25px">造成電磁流量計(jì)誤差的主要影響因素，待測液體影響：1、待測液體電導(dǎo)率劇烈變化：待測液體電導(dǎo)率較大時(shí)，會引發(fā)顯示數(shù)值的較**動，若問題十分嚴(yán)重，則控制系統(tǒng)很難實(shí)現(xiàn)正常的運(yùn)作；而待測液體電導(dǎo)率過低時(shí)，電極很難實(shí)現(xiàn)正常輸出，如果操作中待測液體電導(dǎo)率處于下限值以下范圍，那么電磁流量計(jì)就很難正常發(fā)揮作用。針對這些情況，首先，要立足實(shí)際需求，結(jié)合相關(guān)標(biāo)準(zhǔn)和要求，進(jìn)行電磁流量計(jì)類型的選擇；其次，安裝反應(yīng)器或直管段，以保障物料的充分混合，推動化學(xué)反應(yīng)的順利實(shí)現(xiàn)；再次，重新進(jìn)行流量計(jì)類型的甄選。2、待測液體電導(dǎo)率太低：被測液體電導(dǎo)率降低，會增加電極的輸出阻抗，并由轉(zhuǎn)換器輸入阻抗引起負(fù)載效應(yīng)而產(chǎn)生測量誤差，如果實(shí)際電導(dǎo)率低于下限值，則儀器不能正常工作，示值會產(chǎn)生波動。對策：選用其它滿足要求的低電導(dǎo)率電磁流量計(jì)，如電容式電磁流量計(jì)；選用其它原理流量計(jì)，如孔板等。紹興高精度流量計(jì)報(bào)價(jià)</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司是一家一般項(xiàng)目:從事測控科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險(xiǎn)品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動)的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。南儀測控技術(shù)作為一般項(xiàng)目:從事測控科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險(xiǎn)品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動)的企業(yè)之一，為客戶提供良好的壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)。南儀測控技術(shù)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。南儀測控技術(shù)始終關(guān)注五金、工具行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br 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