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"index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="kjvcmif" class="twoCol"><div id="wvxe9kb" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_llyb/">流量儀表</a>?<a href="http://www.cdcfah.com/cp/third-llyb_liuliangji/">流量計</a>?微小流量計推薦廠家歡迎來電西安倫騫電器設(shè)備供應(yīng)</p><div id="ziaxhda" class="leftbox clearfix"><h1>微小流量計推薦廠家歡迎來電西安倫騫電器設(shè)備供應(yīng)</h1><div id="qo3ys7h" class="proBig"><div id="87dedct" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520715556641/6274057.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ymwd4yv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520715556641/6274057.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oczrvwt" 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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>微小流量計推薦廠家,流量計</p><p><span>***更新：</span>2020-10-12 04:06:46</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="c88n7qi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機(jī): </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</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="7t3dxtv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p3iujvh" class="box"><p><p> 特點(diǎn)：流量測量與流體的流動狀態(tài)無關(guān)，這是因?yàn)闄E圓齒輪流量計是依靠被測介質(zhì)的壓頭推動橢圓齒輪旋轉(zhuǎn)而進(jìn)行計量的。粘度愈大的介質(zhì)，從齒輪和計量空間隙中泄漏出去的泄漏量愈小，因此核測介質(zhì)的粘皮愈大，泄漏誤差愈小，對測量愈有利。橢圓齒輪流量計計量精度高，適用于高粘度介質(zhì)流量的測量，但不適用于含有固體顆粒的流體(固體顆粒會將齒輪卡死，以致無法測量流量)。如果被測液體介質(zhì)中夾雜有氣體時，也會引起測量誤差。 </p> <p> 安裝：橢圓齒輪流量計在安裝前應(yīng)清潔管道.若液體內(nèi)含有固體顆粒，微小流量計推薦廠家，則必須在管道上游加裝過濾器;若含氣體應(yīng)安裝排氣裝置。HI-TOUCH M系列橢圓齒輪流量計橢圓齒輪流量計對前后直管段沒有一定的要求，微小流量計推薦廠家。它可以水平或垂直安裝，微小流量計推薦廠家。安裝時，應(yīng)使流量計的橢圓齒輪轉(zhuǎn)動軸與地面平行。一體型儀表將孔板和浮子流量計組裝在短管段上，直接裝到待測管道，安裝方便。微小流量計推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="微小流量計推薦廠家,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520715556641/6274057.png"></div><p style="text-indent:25px">流量計設(shè)置零點(diǎn)（流量計安裝后必須先置零操作）由于電容式力傳感器及阻流件有自重，在流量計安裝時不在水平方位狀況下，需要重新設(shè)置流量計零點(diǎn)。操作程序?yàn)椋海ㄒ部稍诠艿纼?nèi)無介質(zhì)流動時直接置零，高溫型及低溫型流量計必須使管道內(nèi)溫度達(dá)到工作溫度后置零）a、關(guān)閉流量計下游的閥門；b、緩慢打開流量計上游閥門，使流量計充滿介質(zhì)；c、緩慢打開流量計下游閥門，使流量計運(yùn)行10分鐘左右； d、關(guān)閉流量計上、下游閥門，并確定管道內(nèi)流量為零；e、置零按鍵操作（必須用無任何磁性的工具操作置零鍵，否則置零鍵可能無法操。微小流量計推薦廠家槽式流量計發(fā)展的同時，美籍匈牙利人卡門正在研究渦街理論，1911年到1912年，他提出了卡門渦街新理論。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="微小流量計推薦廠家,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520569794922/6545301.png"></div><p> 靶式流量計正確選型才能保證靶式流量計更好的使用。選用什么種類的靶式流量計應(yīng)根據(jù)被測流體介質(zhì)的物理性質(zhì)和化學(xué)性質(zhì)來決定?使靶式流量計的通徑、流量范圍、和輸出方式等都能適應(yīng)被測流體的性質(zhì)和流量測量的要求。 </p> <p> 1、精密功能檢查; </p> <p> 精度等級和功能根據(jù)測量要求和使用場合選擇儀表精度等級，做到經(jīng)濟(jì)合算。比如用于貿(mào)易結(jié)算、產(chǎn)品交接和能源計量的場合，應(yīng)該選擇精度等級高些，如1.0級、0.5級，或者更高等級; 用于過程控制的場合，根據(jù)控制要求選擇不同精度等級;有些**是檢測一下過程流量，無需做精確控制和計量的場合，可以選擇精度等級稍低的，如1.5級、2.5級，甚至 4.0級，這時可以選用價格低廉的插入式靶式流量計。 </p> <p> 2、可測量的介質(zhì); </p> <p> 測量介質(zhì)流速、儀表量程與口徑測量一般的介質(zhì)時，靶式流量計的滿度流量可以在測量介質(zhì)流速0.1-12m/s范圍內(nèi) 選用，范圍比較寬。選擇儀表規(guī)格(口徑)不一定與工藝管道相同，應(yīng)視測量流量范圍是否在流速范圍內(nèi)確定，即當(dāng)管道流速偏低，不能滿足流量儀表要求時或者在此流速下測量準(zhǔn) 確度不能保證時，需要縮小儀表口徑，從而提高管內(nèi)流速，得到滿意測量結(jié)果。 </p><p> 當(dāng)超聲波在不均勻流體中傳送時，聲波會產(chǎn)生散射。流超聲流量計體與發(fā)送器間有相對運(yùn)動時，發(fā)送的聲波信號和被流體散射后接收到的信號之間會產(chǎn)生多普勒頻移。多普勒頻移與流體流速成正比。被測流體的區(qū)域位于發(fā)射波束與接收到的散射波束的交叉之處。要求波束很窄，使兩波束的夾角θ不致受到波束寬度影響。也可只采用一個變換器既作為發(fā)送器又作為jieshouqi，這種方式稱為單通道式。在單通道多普勒血液流量計中，發(fā)送器間隔地發(fā)送聲脈沖信號，在兩個聲脈沖間隔的時間中，接收從血管壁和血管內(nèi)紅血球反射回來的聲脈沖信號。采用控制線路選擇給定距離處的紅血球反射信號,通過比較后得到多普勒頻移,它與血液流速成正比。在已知血管橫截面時可得到血液流量。有些就地指示型金屬管浮子流量計，只是將浮子位移通過磁耦合傳出，經(jīng)連桿凸輪等線性化機(jī)構(gòu)處理后就地指示。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="微小流量計推薦廠家,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520922431641/5725344.png"></div><p> 方面的考慮因素如下： </p> <p> 1．儀表性能方面：精確度、重復(fù)性、線性度、范圍度、壓力損失、上下限流量、信號輸出特性、響應(yīng)時間等； </p> <p> 2．流體特性方面：流體壓力、溫度、密度、粘度、潤滑性、化學(xué)性質(zhì)、磨損、腐蝕、結(jié)垢、臟污、氣體壓縮系數(shù)、等熵指數(shù)、比熱容、電導(dǎo)率、聲速、混相流、脈動流等； </p> <p> 3．環(huán)境條件方面：環(huán)境溫度、濕度、安全性、電磁干擾等；浮子流量計 </p> <p> 4．經(jīng)濟(jì)因素方面：購置費(fèi)、安裝費(fèi)、維修費(fèi)、校驗(yàn)費(fèi)、使用壽命、運(yùn)行費(fèi)（能耗）、備品備件等。 </p> <p> <br /> 有些透明管浮子流量計以就地指示為主，裝有接近開關(guān)，作流量上下限報警信號輸出。熱式流量計規(guī)格</p><p style="text-indent:25px">為了使電磁流量計的傳感小型化和改善信噪比，出現(xiàn)了用非均勻磁場和低頻勵磁方式的電磁流量計。微小流量計推薦廠家</p><p> 智能型電磁流量計傳感器在工藝管道上的安裝：1.智能型電磁流量計測堵管在任何時刻必須完全注滿介質(zhì)，不能在不滿管或空管的情況下正常工作。在介質(zhì)不滿管時，可采用抬高流量計后端出水管高度的方法使介質(zhì)滿管，避免不滿管及氣體附著在電極上。2.管道內(nèi)有真空會損壞流量計的內(nèi)襯，需特別注意。3.流動的正方向應(yīng)與流量計上箭頭所指的正方向一致。4.智能型電磁流量計即可在直管道上安裝，也可以在水平或傾斜管道上安裝，但要求二電極的中心連線處于水平狀態(tài)。5.對于液、固兩相流體，zui好采用垂直安裝，使被測介質(zhì)自上而xialiu動，可使流量計襯里磨損均勻，延長使用壽命。6.流量計在管道法蘭附近確保有足夠的空間，以便安裝和維護(hù)。7.若測量管道有振動，在流量計的兩側(cè)應(yīng)有固定的支座。8.測量介質(zhì)為重污染液體的，在旁路管道安裝流量計本體，不中斷工藝運(yùn)行，即可排空與清流。9.安裝聚四氟乙烯內(nèi)襯的流量計時，連接法蘭的螺栓應(yīng)注意均勻擰緊，否則容易壓壞聚四氟乙烯內(nèi)襯，zui好用力矩扳手。微小流量計推薦廠家</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司致力于儀器儀表，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為雷達(dá)料位計，雷達(dá)物位計，壓力變送器，溫度變送器等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。西安倫騫電器立足于全國市場，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://www.cdcfah.com/cp/1519304.html</p></div></div></div></div></div><div id="ic22ouw" class="page-right 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