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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</a>?一體分體式電磁流量計推薦來電咨詢西安倫騫電器設(shè)備供應(yīng)</p><div id="kjli3z2" class="leftbox clearfix"><h1>一體分體式電磁流量計推薦來電咨詢西安倫騫電器設(shè)備供應(yīng)</h1><div id="x8hodke" class="proBig"><div id="g4o3eb8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521160000000/9536736.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fgxuwyi" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521160000000/9536736.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="njqnp8r" 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>一體分體式電磁流量計推薦,流量計</p><p><span>***更新：</span>2021-01-27 00:21:44</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lfhel8n" 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="f7peldq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hgdqi8p" class="box"><p><p> 超聲流量計可按下述原則來分類。(1)測量原理:時差法超聲流量計;頻差法超聲流量計;相差法超聲流量計;多普勒超聲流量計;液位測量和平均流速測量相結(jié)合的非滿管和渠道超聲流量計。(2)使用方式:便攜式超聲流量計，特點(diǎn):便攜使用，內(nèi)置可充電鋰電池，適合移動測量，配接磁性傳感器。固定式(標(biāo)準(zhǔn)管段式)超聲流量計，一體分體式電磁流量計推薦。(3)換能器的安裝方法:標(biāo)準(zhǔn)管段式超聲流量計，特點(diǎn):需切開管路安裝，但以后的維護(hù)可不停產(chǎn)?？蛇x擇單聲道或三聲道傳感器。外夾式超聲流量計，特點(diǎn):能夠完成固定和移動測量。采用**耦合劑(室溫固化的硅橡膠或高溫長鏈聚合油脂)安裝，安裝時不損壞管路。現(xiàn)場開孔插入式超聲流量計，一體分體式電磁流量計推薦。(4)換能器與流體是否接觸:接觸式(插入式)超聲流量計，特點(diǎn):可不停產(chǎn)安裝和維護(hù)，一體分體式電磁流量計推薦。非接觸式(外夾式)超聲流量計。(5)被測流體的性質(zhì):液體超聲流量計;氣體超聲流量計。(6)換能器聲道的數(shù)目:單聲道超聲流量計;兩聲道超聲流量計;多聲道超聲流量計(3聲道以上，含3聲道)。在工業(yè)現(xiàn)場，測量流體流量的儀表統(tǒng)稱為流量計或流量表。是工業(yè)測量中重要的儀表之一。一體分體式電磁流量計推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="一體分體式電磁流量計推薦,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521160000000/9536736.png"></div><p> 電磁流量計接地的原因: </p> <p> 電磁流量計內(nèi)的測量電極處于一個直流或交流電場內(nèi)，如果其環(huán)境不能有效地被屏蔽于一個無干擾的條件下，對測量有嚴(yán)重干擾。傳感器外殼接地與否，直接關(guān)系到測量的精度和穩(wěn)定性，接地導(dǎo)線必須不傳任何干擾電壓，因此電磁流量計要求有非?？煽康慕拥?，要做好接地屏蔽，否則就會產(chǎn)生干擾電流。然而電磁流量計接地的好處：若連接污水流量計的管道是（相對于被測介質(zhì)）絕緣性的則要用接地環(huán)，它的材質(zhì)應(yīng)根據(jù)被測介質(zhì)的腐蝕性選用。如果是聚四氟乙烯的傳感器，為了保護(hù)聚四氟乙烯的翻邊不受損傷，要選用接地環(huán)。黑龍江便攜式超聲波流量計**浮子流量計的流量檢測元件是由一根自下向上擴(kuò)大的垂直錐形管和一個沿著錐管軸上下移動的浮子組所組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="一體分體式電磁流量計推薦,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519957626953/9160428.png"></div><p> 電磁流量計的特點(diǎn)： </p> <p> 1、測量不受流體密度、粘度、溫度、壓力和電導(dǎo)率變化的影響； </p> <p> 2、測量管內(nèi)無阻礙流動部件，無壓損，直管段要求較低。對漿液測量有獨(dú)特的適應(yīng)性； </p> <p> 3、合理選擇傳感器襯里和電極材料，即具有良好的耐腐蝕和耐磨損性； </p> <p> 4、轉(zhuǎn)換器采用新穎勵磁方式，功耗低、零點(diǎn)穩(wěn)定、精確度高。流量范圍度可達(dá)150：1； </p> <p> 5、轉(zhuǎn)換器可與傳感器組成一體型或分離型； </p> <p> 6、轉(zhuǎn)換器采用16位高性能微處理器，2x16LCD顯示，參數(shù)設(shè)定方便，編程可靠； </p> <p> 7、流量計為雙向測量系統(tǒng)，內(nèi)裝三個積算器：正向總量、反向總量及差值總量；可顯示正、反流量，并具有多種輸出：電流、脈沖、數(shù)字通訊、HART； </p> <p> 8、轉(zhuǎn)換器采用表面安裝技術(shù)(SMT)，具有自檢和自診斷功能； </p> <p> 9、測量精度不受流體密度、粘度、溫度、壓力和電導(dǎo)率變化的影響，傳感器感應(yīng)電壓信號與平均流速呈線性關(guān)系，因此測量精度高。 </p> <p> 10、測量管道內(nèi)無阻流件，因此沒有附加的壓力損失；測量管道內(nèi)無可動部件，因此傳感器壽命極長。 </p> <p> 11、由于感應(yīng)電壓信號是在整個充滿磁場的空間中形成的，是管道載面上的平均值，因此傳感器所需的直管段較短，長度為5倍的管道直徑。 </p> <p> <br /> </p><p> 按照要求正確安裝后的橢圓齒輪流量計，使用時即可保證足夠的精度，通常累計值的精度可達(dá)0.5級，是一種較橢圓齒輪流量計為準(zhǔn)確的流量計量儀表。但是，如果使用時被測介質(zhì)的流量過小，儀表的泄漏誤差的影響就會突出，不能再保證足夠的測量精度。因此，不同型號規(guī)格的橢圓齒輪流量計對zui小使用流量有一允許值，只有當(dāng)實際被測流量大于該下限流量允許值時，測量精度才能得到保證。 </p> <p> 其次，使用橢圓齒輪流量計要注意被測介質(zhì)的溫度不能過高，否則不僅會增加測量誤差，而且有使齒輪發(fā)生卡死的可能。為此，橢圓齒輪流量計在儀表所規(guī)定的使用溫度范圍內(nèi)使用。 </p> <p> 長期使用后的橢圓齒輪流量計，其內(nèi)部的齒輪會被腐蝕和磨損，從而影響測量精度。因此，要經(jīng)常注意觀察，并定期拆下進(jìn)行檢查，若條件允許要定期進(jìn)行標(biāo)定。透明錐形管4用得普遍是由硼硅玻璃制成，習(xí)慣簡稱玻璃管浮子流量計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="一體分體式電磁流量計推薦,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520715556641/6274057.png"></div><p> 按照外加磁場類型的不同，電磁流量計主要有直流式和感應(yīng)式兩種。直流式電磁流量計的外加恒下磁場B垂直于管軸，C、D處裝有兩個電極，用來測量流體橫越磁場時所感生的電動勢U。流量Q可用下式求出： </p> <p> Q=(1/K).(UA/Bd) </p> <p> 式中A為管道橫截面積；d為管道直徑；k為修正系數(shù)，用來修正導(dǎo)出公式時未計及的因素（如流量計管道內(nèi)的流速事實上并不均勻）的影響。在常的流量計中，k約為0.8，但對于特定尺寸、用于特定工況的電磁流量計，則要用容積法（一定時間內(nèi)流過的容積）標(biāo)定k值。磁場可由永久磁鐵產(chǎn)生，磁鐵材料一般是鋁－鎳－鈷合金。流量大時，因管徑較大，故采用無鐵芯激磁繞組，通以它常直流電流來產(chǎn)生一個近似均勻的磁場。在電子流量計中結(jié)合先進(jìn)的通信技術(shù)后，使得控制人員能夠遠(yuǎn)程實時獲取生產(chǎn)現(xiàn)場的流量數(shù)據(jù)和歷史數(shù)據(jù)。一體分體式電磁流量計推薦</p><p style="text-indent:25px">流量分度直接刻在錐管4外壁上，也有在錐管旁另裝分度標(biāo)尺。一體分體式電磁流量計推薦</p><p> 液體流量計的正確使用步驟:在使用壓力傳感器前，對其進(jìn)行性能測試。將它接上透明的水管，用水柱高坐壓力，用高靈敏度數(shù)字萬用表測量電壓，不足之處是在安裝時需要一定直管段，且普通型對于振動和高溫沒有很好的解決辦法。渦街有壓電式和電容式，后者在耐溫和耐振動方面有優(yōu)勢，但價格較貴，一般用于過熱蒸汽的測量。只要能傳播聲音的流體均可以用液體流量計;超聲波流量計可以測量高粘度液體、非導(dǎo)電性液體或氣體的流量，其測量流速的原理是:超聲波在流體中的傳播速度會隨被測流體流速而變化。容積式流量計容積式流量計是通過測定殼體和轉(zhuǎn)子之間形成的計量容積來測量流體的體積流量。根據(jù)轉(zhuǎn)子的結(jié)構(gòu)形式，容積式流量計有腰輪式，刮板式、橢圓齒輪式等。隨著工業(yè)發(fā)展對流量計量要求的不斷提高，液體流量計在工業(yè)測量中的地位已經(jīng)部分地被先進(jìn)的、高精度的、便利的流量儀表所取代。液體流量計基于法拉第電磁感應(yīng)原理研制出的一種測量導(dǎo)電液體體積流量的儀表。又稱轉(zhuǎn)子流量計，是變面積式流量計的一種，在一根由下向上擴(kuò)大的垂直錐管中，圓形橫截面的浮子的重力是由液體動力承受的。浮子可以在錐管內(nèi)自由地上升和下降。在流速和浮力作用下上下運(yùn)動與浮子重量平衡后。一體分體式電磁流量計推薦</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3022988.html</p></div></div></div></div></div><div id="b0tqnzb" class="page-right twoColRt"><div id="bq2nrog" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2feqsul" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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