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class="leftbox clearfix"><h1>灰漿池超聲波物位計生產(chǎn)廠家誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)</h1><div id="a2rlcgc" class="proBig"><div id="nc3bn83" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662964316406/7219292.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pneq2gx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662964316406/7219292.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="onz7ugx" 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>灰漿池超聲波物位計生產(chǎn)廠家,物位計</p><p><span>***更新：</span>2020-12-28 01:13:44</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="l8kwaz8" 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: </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="nlszl2s" class="page-proshow02"><p class="title">詳細說明</p><div id="srizbpv" class="box"><p><p style="text-indent:25px">射頻導(dǎo)納物位計主要由檢測部分和變送部分組成，檢測部分包括探頭、保護套外殼等；變送部分包括振蕩緩沖電路、頻率變換及掛料處理電路、誤差修正放大器、信號解調(diào)器、調(diào)制驅(qū)動放大器、濾波阻尼環(huán)節(jié)、電壓限制及電壓電流轉(zhuǎn)換電路等。根據(jù)電橋原理，由于液位升高而增大的電容使電橋失去平衡，同時正比于電橋不平衡度的解調(diào)器輸出電壓，經(jīng)濾波放大、輸出阻尼、電壓/電流轉(zhuǎn)換后，輸出與物位成正比的4-20mA電流信號。無論是射頻電容物位計或射頻導(dǎo)納物位計都能準確測量介質(zhì)的物位，但與普通射頻電容物位計相比，射頻導(dǎo)納物位計更適合測量料位，因為它可以較好地處理掛料對料位測量的影響，灰漿池超聲波物位計生產(chǎn)廠家，灰漿池超聲波物位計生產(chǎn)廠家。一體式超聲波物位計，實現(xiàn)了全數(shù)字化，灰漿池超聲波物位計生產(chǎn)廠家，人性化設(shè)計理念，具有完善的物/液位測控·數(shù)據(jù)傳輸和人機交流功能?；覞{池超聲波物位計生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="灰漿池超聲波物位計生產(chǎn)廠家,物位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662964316406/7219292.png"></div><p> 超聲波物位計技術(shù)特點：1.具有強勁發(fā)射力的換能器，表面可自清潔，利用更新的換能器結(jié)構(gòu)和制造工藝，明顯提高了換能器的工作性能。2.微處理器程序控制、智能信號處理技術(shù)，可實現(xiàn)多種典型工況軟件處理模式，使物位計能適應(yīng)固體、液體、粉塵等復(fù)雜工況。3.紅外線遙控編程調(diào)節(jié)，操作簡單可靠，并帶有液晶現(xiàn)場顯示。4.非接觸式連續(xù)測量，減少維護;5.可用于測量物位、空間、距離，也可對標準或特別開關(guān)的液罐進行自動液位-體積轉(zhuǎn)換;6.帶背光的液晶顯示器，可按標準工程單位進行顯示。灰漿池超聲波物位計生產(chǎn)廠家導(dǎo)波雷達液位計儀表防雷，要從單方面下手，包羅內(nèi)部零碎防雷和內(nèi)部零碎防雷，一般要靠參加防雷裝置來完成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="灰漿池超聲波物位計生產(chǎn)廠家,物位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662167587891/7725175.png"></div><p> 電容式物位計是專門為容器、管道、儲罐、料倉、坑池等內(nèi)部的液體和散裝固體材料的連續(xù)物位檢測而設(shè)計的，由外殼、電子電路和測量電極組成。電路部分將電容值范圍轉(zhuǎn)換為電流信號（4...20 mA）或電壓信號（0...10 V）。測量電極有多種形式：探棒電極、纜電極等。部分型號的電極帶有涂層，這對于粘性的、腐蝕性的、導(dǎo)電性的被測介質(zhì)來說非常重要。探棒電極還有帶參考管的產(chǎn)品可選，可用于非導(dǎo)電性容器內(nèi)的液體液位測量。該系列物位計的類別為：N-普通型（用于非性危險區(qū)域），NT-耐高溫型。同時，有多種過程連接方式（英制螺紋、管螺紋、圓錐管螺紋NPT）可選。 </p><p> 導(dǎo)波雷達物位計，是依據(jù)時域反射原理(TDR)為基礎(chǔ)的雷達料位計。導(dǎo)波雷達料位計是依據(jù)時域反射原理(TDR)為基礎(chǔ)的雷達料位計，雷達料位計的電磁脈沖以光速沿鋼纜或探棒傳播，當遇到被測介質(zhì)表面時，雷達料位計的部分脈沖被反射形成回波并沿相同路經(jīng)返回到脈沖發(fā)射裝置，發(fā)射裝置與被測介質(zhì)表面的距離同脈沖在其間的傳播時間成正比，經(jīng)計算得出液位高度。 </p> <p> 測量范圍: </p> <p> H----測量范圍L----空罐距離 </p> <p> B----頂部盲區(qū) </p> <p> E----探頭到罐壁的小距離 </p> <p> 頂部盲區(qū)是指物料比較高料面與測量參考點之間的小距離。 </p> <p> 底部盲區(qū)是指纜繩比較低部附近無法精確測量的一段距離。 </p> <p> 頂部盲區(qū)和底部盲區(qū)之間是有效測量距離。 </p> <p> 注意: </p> <p> 使用導(dǎo)波雷達物位計只有物料處于頂部盲區(qū)和底部盲區(qū)之間時，才能保證罐內(nèi)物位的可靠測量。 </p> <p> <br /> </p> <p> <br /> 雷達物位計采用微波脈沖的測量方法，并可在工業(yè)頻率波段范圍內(nèi)正常，波束能量低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="灰漿池超聲波物位計生產(chǎn)廠家,物位計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333661851611328/5177133.png"></div><p> 超聲波物位計主要指標介紹： </p> <p> 1、量程。表示超聲波物位計所能測量的較大范圍，反映的是換能器的靈敏度。量程越大，靈敏度越高。超聲波物位計可以配置不同量程的換能器。當超聲波衰減快，界面反射差時，為避免超聲波探頭接收到的超聲波信號過弱，而無法與噪音信號區(qū)分，就需要增大換能器的發(fā)射功率。 </p> <p> 2、盲區(qū)。也叫死區(qū)，就是超聲波物位計測量不到的一段距離。超聲波物位計在發(fā)射超聲波脈沖時，不能同時檢測反射回波。由于發(fā)射的超聲波脈沖具有一定的時間寬度，同時發(fā)射完超聲波后傳感器還有余振，期間不能檢測反射回波，因此從探頭表面向下開始的一小段距離無法正常檢測，這段距離稱為盲區(qū)。相同量程的產(chǎn)品，盲區(qū)越小，就說明這個換能器的設(shè)計越好。 </p> <p> 3、溫度。正常范圍是-10~60攝氏度。雖然壓電陶瓷的極限工作溫度一般是150攝氏度，但超聲波物位計在制造過程中的大多數(shù)材料都不能在100攝氏度以上的溫度長期工作。 </p> <p> <br /> 由一個電路單元一套防爆外殼和桿式或纜式傳感元件組成，傳感器有多種型號可選，儀表可選整體或分體安裝?；覞{池超聲波物位計生產(chǎn)廠家</p><p style="text-indent:25px">高頻的調(diào)頻雷達技術(shù)尤其適合大型固體料倉的物位測量!灰漿池超聲波物位計生產(chǎn)廠家</p><p> 在現(xiàn)場實際運用時，會有各種因素對其穩(wěn)定、可靠的測量產(chǎn)生影響，下面我們將結(jié)合實際，講述各種干擾對超聲波物位計選用、使用、安裝的影響。超聲波流量計 </p> <p> (1)介質(zhì)及環(huán)境溫度的影響 </p> <p> 超聲波從物料表面反射時，其反射頻率會受到物料溫度的影響而發(fā)生變化，為了補償這一變化，超聲波探頭內(nèi)裝有溫度傳感器，當探頭向處理器發(fā)送反射信號的同時，也把溫度信號送到微處理器，處理器將自動補償由于溫度對料位測量的影響。 </p> <p> 此外，為了保證探頭的可靠工作，要求環(huán)境溫度不超過60℃。 </p> <p> (2)攪拌器對物位計測量的影響 </p> <p> 如果物料容器內(nèi)裝攪拌器，它同樣會反射超聲波信號，造成假反射回波，并被傳送到微處理器。微處理器將根據(jù)統(tǒng)計學(xué)原理處理真假面具回波，所以要求超聲波從物料表面反射的回波應(yīng)至少為從攪拌器臂反射的回波的3倍。適當降低攪拌器的轉(zhuǎn)速，或?qū)⑻筋^偏離攪拌中心，都可以有效消除攪拌器產(chǎn)生的假面反射對料位測量的影響。灰漿池超聲波物位計生產(chǎn)廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2590375.html</p></div></div></div></div></div><div id="vjqxtar" class="page-right twoColRt"><div id="pjvr7h3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rvcjvho" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="mbszqrd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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