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class="home-main container clearfix"><div id="isquzyy" class="twoCol"><div id="8gdaqf9" 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_wybez/">物位儀表</a>?<a href="http://www.cdcfah.com/cp/third-wybez_ldwj/">雷達(dá)物位計(jì)</a>?纜式導(dǎo)波雷達(dá)物位計(jì)用途誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)</p><div id="ztjmhmp" class="leftbox clearfix"><h1>纜式導(dǎo)波雷達(dá)物位計(jì)用途誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)</h1><div id="otiicbl" class="proBig"><div id="xcgan4n" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333661917324219/194433.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2ptsibq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333661917324219/194433.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tjdtmaj" 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>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>纜式導(dǎo)波雷達(dá)物位計(jì)用途,物位計(jì)</p><p><span>***更新：</span>2020-11-30 01:15:00</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="mqfdhha" 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(hào)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="77ewqbg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3hr4fke" class="box"><p><p> 導(dǎo)波式雷達(dá)物位計(jì)：優(yōu)點(diǎn)：與超聲波及雷達(dá)料位計(jì)相比，工作穩(wěn)定可靠；同雷達(dá)料位計(jì)一樣，反射信號(hào)的強(qiáng)度取決于被測物料的介電率或?qū)щ娐?，但?dǎo)波式可以測量更低介電率的物料。缺點(diǎn)：雙桿（纜）及同軸管式導(dǎo)波體由于電場能量集中，易受外部結(jié)構(gòu)影響；在桿之間（或管內(nèi)部）易積料，產(chǎn)生虛假回波，影響測量效果；埋在物料中的纜繩由于物料重力會(huì)產(chǎn)生較大的下拉力，纜式導(dǎo)波雷達(dá)物位計(jì)用途，造成纜繩被拉斷等故障。 </p> <p> 音叉式物位開關(guān)：優(yōu)點(diǎn)：音叉物位開關(guān)是易于使用，沒有校準(zhǔn)要求，由于沒有機(jī)械運(yùn)動(dòng)部件，不存在日常維修需要。該音叉物位開關(guān)不受絕緣系數(shù)的影響該開關(guān)也可替換阻旋式葉片料位開關(guān)用于物料太輕的場合，纜式導(dǎo)波雷達(dá)物位計(jì)用途。它還可探測到浸沒在低粘度液體中的粒狀物料，例如沙，碎石或聚酯切片在水中。導(dǎo)波雷達(dá)液位計(jì)儀表防雷，纜式導(dǎo)波雷達(dá)物位計(jì)用途，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。纜式導(dǎo)波雷達(dá)物位計(jì)用途</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="纜式導(dǎo)波雷達(dá)物位計(jì)用途,物位計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333661917324219/194433.png"></div><p> 導(dǎo)波雷達(dá)物位計(jì)，采用了可發(fā)出高頻率微波，沿著探桿傳播，由于遇到被測介質(zhì)，介電常數(shù)突變，引起反射。發(fā)射脈沖與反射脈沖的時(shí)間間隔與被測量介質(zhì)的距離成正比。特殊的時(shí)間延伸方法可以確保極短時(shí)間內(nèi)穩(wěn)定和精確的測量。即使存在虛假反射的時(shí)候，的微處理技術(shù)和軟件也可以準(zhǔn)確地分析出物位回波，儀表可以空倉調(diào)試。在固體測量中的應(yīng)用可以使用K-頻段的高頻傳感器。由于信號(hào)的聚焦效果非常好，料倉內(nèi)的安裝物或倉壁的粘附物都不會(huì)影響測量。 </p> <p> 工作原理:導(dǎo)波雷達(dá)物位計(jì)是基于時(shí)間行程原理的測量儀表，雷達(dá)波以光速運(yùn)行，運(yùn)行時(shí)間可以通過電子部件被轉(zhuǎn)換成物位信號(hào)。探頭發(fā)出高頻脈沖并沿纜繩傳播，當(dāng)脈沖遇到物料表面時(shí)反射回來被儀表內(nèi)的jieshouiqi接收，并將距離信號(hào)轉(zhuǎn)化為物位信號(hào)。 </p> <p> 反射的脈沖信號(hào)沿纜式或桿式探頭傳導(dǎo)至儀表電子線路部分，微處理器對(duì)此信號(hào)進(jìn)行處理，識(shí)別出微波脈沖在物料表面所產(chǎn)生的回波。纜式導(dǎo)波雷達(dá)物位計(jì)用途靜壓型物位計(jì):用于槽罐或容器內(nèi)的物位測量，可直接安裝或通過遠(yuǎn)傳密封組件安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="纜式導(dǎo)波雷達(dá)物位計(jì)用途,物位計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662167587891/7725175.png"></div><p> 超聲波測量的工作原理： </p> <p> 超聲波是機(jī)械波的一種，即是機(jī)械振動(dòng)在彈性介質(zhì)中的一種傳播過程，它的特征是頻率高、波長短、繞射現(xiàn)象小，另外方向性好，能夠成為射線而定向傳播。超聲波在液體、固體中衰減很小，因而穿透能力強(qiáng)，尤其是在對(duì)光不透明的固體中，超聲波可穿透幾十米的長度，碰到雜質(zhì)或界面就會(huì)有明顯的反射，超聲波測量物位就是利用了它的這一特征。 </p> <p> 在超聲波檢測技術(shù)中，不管那種超聲波儀器，都必須把電能轉(zhuǎn)換超聲波發(fā)射出去，再接收回來變換成電信號(hào)，完成這項(xiàng)功能的裝置就叫超聲波換能器，也稱探頭。如圖所示，將超聲波換能器置于被測液體上方，向下發(fā)射超聲波，超聲波穿過空氣介質(zhì)，在遇到水面時(shí)被反射回來，又被換能器所接收并轉(zhuǎn)換為電信號(hào)，電子檢測部分檢測到這一信號(hào)后將其變成液位信號(hào)進(jìn)行顯示并輸出。 </p><p> 重錘式料位計(jì)：優(yōu)點(diǎn)：測量不受介質(zhì)密度、顆粒大小的影響。缺點(diǎn)：機(jī)械內(nèi)部易落灰塵影響測量效果；機(jī)械磨損較嚴(yán)重，需經(jīng)常維護(hù)，花費(fèi)較大；重錘易發(fā)生被物料埋住現(xiàn)象，發(fā)生掉錘頭、斷帶故障。 </p> <p> 超聲波物位計(jì)：優(yōu)點(diǎn)：安裝方便，性能穩(wěn)定，測量精度高，價(jià)格低廉。缺點(diǎn)：對(duì)溫度，粉塵，蒸汽，壓力的影響比較敏感。 </p> <p> 雷達(dá)物位計(jì)：優(yōu)點(diǎn)：安裝方便，性能穩(wěn)定，測量精度高。對(duì)溫度，壓力的影響不敏感，可以用來連續(xù)測量腐蝕性液體、高黏度液體和有毒液體的液位。它沒有可動(dòng)部件、不接觸介質(zhì)、沒有測量盲區(qū),而且測量精度幾乎不受被測介質(zhì)的溫度、壓力、相對(duì)介電常數(shù)的影響,在易燃易爆等惡劣工況下仍能應(yīng)用。缺點(diǎn)：價(jià)格高昂，低頻的雷達(dá)體積龐大。對(duì)射頻干擾的影響明顯。對(duì)被測介質(zhì)的介電常數(shù)有要求。對(duì)粉塵和蒸汽的影響和超聲是一樣的。天線容易積灰，影響測量雷達(dá)物位計(jì)在使用上具有的優(yōu)勢：由于雷達(dá)物位計(jì)不與被測介質(zhì)接觸，且受溫度、壓力、氣體等影響非常小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="纜式導(dǎo)波雷達(dá)物位計(jì)用途,物位計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637333662721787109/2126722.png"></div><p style="text-indent:25px">射頻導(dǎo)納物位計(jì)主要由檢測部分和變送部分組成，檢測部分包括探頭、保護(hù)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(hào)解調(diào)器、調(diào)制驅(qū)動(dòng)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(shí)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(hào)。無論是射頻電容物位計(jì)或射頻導(dǎo)納物位計(jì)都能準(zhǔn)確測量介質(zhì)的物位，但與普通射頻電容物位計(jì)相比，射頻導(dǎo)納物位計(jì)更適合測量料位，因?yàn)樗梢暂^好地處理掛料對(duì)料位測量的影響。由一個(gè)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(hào)可選，儀表可選整體或分體安裝。纜式導(dǎo)波雷達(dá)物位計(jì)用途</p><p style="text-indent:25px">雷達(dá)物位計(jì)已成為物位測量儀表市場上的主流產(chǎn)品，主要分為雷達(dá)物位計(jì)和導(dǎo)波雷達(dá)物位計(jì)。纜式導(dǎo)波雷達(dá)物位計(jì)用途</p><p> 智能雷達(dá)物位計(jì) 詳細(xì)信息 </p> <p> 主生產(chǎn)經(jīng)營壓力變送器、壓力傳感器、差壓變送器、無線變送器、電磁流量計(jì)、衛(wèi)生型隔膜壓力表、液位傳感器、高溫熔體壓力傳感器、高溫熔體壓力變送器等各類傳感器芯體及工控解決方案 </p> <p> 智能雷達(dá)物位計(jì)適用于各種過程條件復(fù)雜的容器、儲(chǔ)罐、倉料等，且不受被測介質(zhì)物理特性變化影響的外部測量，兩線制技術(shù)，適用于防爆場合，雷達(dá)物位計(jì)適用于對(duì)液體、漿料及顆粒的物位進(jìn)行非接觸式連續(xù)測量，適用于溫度、壓力變化大，有惰性氣體及揮發(fā)存在的場合。采用微波脈沖的測量方法，并可在工業(yè)頻率波范圍內(nèi)正常工作。安裝于各種金屬、非金屬容器或管道內(nèi)對(duì)人體及環(huán)境均無傷害。 </p> <p> 雷達(dá)物位計(jì)應(yīng)用：腐蝕性液體、固體科技、粉料等物位測量纜式導(dǎo)波雷達(dá)物位計(jì)用途</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2197990.html</p></div></div></div></div></div><div id="1lzo8ys" class="page-right twoColRt"><div id="2vglvox" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="50rqzzz" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="9iif31r" class="recomPic likePro"><a 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