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class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="83a2jkw" class="clearfix searchWrap"><div id="pdpwdpg" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="wp2eahi" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "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="or0p3ul" class="twoCol"><div id="sgu7tkb" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</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_qtwyb/">其他物位儀表</a>?射頻導納物位計現(xiàn)價服務至上上海翼爾電子科技供應</p><div id="xlenyar" class="leftbox clearfix"><h1>射頻導納物位計現(xiàn)價服務至上上海翼爾電子科技供應</h1><div id="vjv3c8p" class="proBig"><div id="8f8k9oa" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407042844337423/2049368.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bfm9hl8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407042844337423/2049368.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="e8lhtky" 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>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>射頻導納物位計現(xiàn)價,物位計</p><p><span>***更新：</span>2020-12-27 04:18:25</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="earl7uw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翼爾電子科技有限公司</a></p><p><span>聯(lián)系人：</span>趙“S</p><p><span>郵箱: </span>yeertec@163.com</p><p><span>電話: </span>13361991561</p><p><span>傳真: </span>021_57155131</p><p><span>網(wǎng)址: </span>http://www.yeer-tec.com</p><p><span>手機: </span>021-57488360</p><p><span>地址: </span>海灣旅游區(qū)莘奉公路4960號110室</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="aovugxj" class="page-proshow02"><p class="title">詳細說明</p><div id="lulh88d" class="box"><p><p style="text-indent:25px">差壓式物位儀表：差壓式儀表利用液體的靜態(tài)壓力測量液位。液體底部壓力與容器內(nèi)的液面高度和液體表面上的氣壓有關(guān)。如果測量敞口容器內(nèi)液位，則可用壓力測量儀表或壓力變送器間接測出液面高度；如果在有壓力的密封容器內(nèi)測量液位,則采用測量壓差的方法，射頻導納物位計現(xiàn)價,消除液面上壓力的影響，將容器底部與差壓變送器正壓室相連，液面上的空間與負壓室相連，就可以測量出液面的高低。電測式物位儀表將物位變化轉(zhuǎn)換為電參數(shù)（如電阻、電容，射頻導納物位計現(xiàn)價、電感）的變化，射頻導納物位計現(xiàn)價，再變成電信號輸出。這類儀表又分為電阻式、電容式和電感式三種。頻微波物位計有較寬的波束，如果安裝不得當，將會收到內(nèi)部結(jié)構(gòu)產(chǎn)生的較多的虛假回波。射頻導納物位計現(xiàn)價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="射頻導納物位計現(xiàn)價,物位計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407042844337423/2049368.png"></div><p style="text-indent:25px">超聲式物位儀表：超聲波在液體中傳播有較好的方向性，遇到分界面時能反射，因此通過測定超聲波從發(fā)射出去到反射回來的時間就能確定液面的高度。一般采用電激勵使壓電換能器（常用的有鋯鈦酸鉛、鈮鎂酸鉛、鈦酸鋇等壓電換能器）發(fā)出聲波，從液面反射回來的聲脈沖經(jīng)壓電換能器轉(zhuǎn)換為電脈沖，用計時電路測定超聲波在液體中來回經(jīng)過的時間，根據(jù)超聲波在液體中的傳播速度即可算出液面高度。聲波的接受和發(fā)射可用同一個換能器，也可用兩個換能器。超聲式物位儀表根據(jù)聲波傳播的介質(zhì)不同分為液介式、氣介式和固介式。射頻導納物位計現(xiàn)價完成物位測量的測量任務的儀表叫做物位計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="射頻導納物位計現(xiàn)價,物位計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407042891817879/6770709.png"></div><p style="text-indent:25px">電容物位計，又稱鋁塑復合板，重要由外層鋼板、PE 防火芯材及粘結(jié)劑三局部組成，以其優(yōu)勝機能被普遍應用于建造裝修等范疇。除可利用于幕墻、門廳、內(nèi)外墻、飯店、商店、會議室等的裝潢外，還用作柜臺、家具的面層、車輛的內(nèi)外壁等。依據(jù)我國建材產(chǎn)業(yè)協(xié)會目前行業(yè)統(tǒng)計數(shù)據(jù)，我國事世界上更大的電容物位計生產(chǎn)國跟利用國。隨著電容物位計的普遍利用，很多高樓大廈也都采取電容物位計作為建造外保溫的資料。因為近年來產(chǎn)生了多少起采取電容物位計外保溫資料的高層建造火災，繚繞電容物位計焚燒機能的研究也越來越多。</p><p style="text-indent:25px">現(xiàn)今的高頻雷達一般為工作在K波段(24～26GHz)的雷達物位計，雷達的工作頻率越高其電磁波波長越短，越容易在傾斜的固體表面有更好的反射，并具有較窄的波束寬度，可有效避開障礙物，高的頻率還可使雷達使用更小的天線。而FMCW調(diào)頻連續(xù)波微波物位計發(fā)射和接受信號是同時的，相同時間內(nèi)發(fā)射的微波信號更多，固體測量中可減少高粉塵固體料倉測量中的失波現(xiàn)象。因此固體測量中高頻的調(diào)頻雷達能提供準確、可靠的測量，并在例如化工行業(yè)中的PP粉末、PE粉末等介質(zhì)中也有良好應用。但由于技術(shù)限制，現(xiàn)今還沒有工作在K波段以上的高頻雷達物位計。波束角和天線類型有關(guān)，也和使用的微波頻率(波長)有關(guān)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="射頻導納物位計現(xiàn)價,物位計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407042858966366/8428600.png"></div><p style="text-indent:25px">（微波）物位計自２０世紀７０年代呈現(xiàn)以來，性價比一勞永逸，當初已占物位丈量范疇市場份額的２５％，僅次于壓力（差壓）式物位計。電容物位計利用電容量的變化來測量容器內(nèi)介質(zhì)物位的測量儀表，在容器內(nèi)，由電極和導電材料制造的容器壁構(gòu)成了一個電容。對于一個給定的電極，被測介質(zhì)的介電常數(shù)不變時，給電極加一個固定頻率的測量電壓，則流過電容的電流取決于電容電極間介質(zhì)的高度，并與之成比例。電容物位計基于有源的回波測距原理，即波（通常采取微波段）在傳播途中介質(zhì)的介電常數(shù)或多少何外形轉(zhuǎn)變時產(chǎn)生反射。超聲波物位計所能測量的比較大的范圍，反映的是換能器的靈敏度。射頻導納物位計現(xiàn)價</p><p style="text-indent:25px">安裝雷達物位計的時候一定要根據(jù)現(xiàn)場的復雜情況，多次調(diào)試、多次測量，使雷達物位計得以測量精確。射頻導納物位計現(xiàn)價</p><p style="text-indent:25px">與超聲波物位計工作模式相同，雷達物位計同樣采用發(fā)射-反射-接收的工作模式，不同是雷達超聲波物位計的測量主要依賴超聲波換能器，而雷達物位計則依靠高頻頭和天線；超聲波物位計使用機械波，而雷達物位計使用的是超高頻率（幾G到幾十G赫茲）電磁波。電磁波以光速運行，運行時間可以通過電子部件被轉(zhuǎn)換成物位信號。另一種常見的雷達物位計是導波雷達物位計。導波雷達物位計是依據(jù)時域反射原理(TDR)為基礎的雷達料位計，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。射頻導納物位計現(xiàn)價</p><p style="text-indent:25px">上海翼爾電子科技有限公司致力于儀器儀表，以科技創(chuàng)新實現(xiàn)***管理的追求。上海翼爾電子深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的流量，壓力，溫度，物液位。上海翼爾電子致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。上海翼爾電子始終關(guān)注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使上海翼爾電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2580584.html</p></div></div></div></div></div><div id="pstv2je" class="page-right twoColRt"><div id="hkgipqm" class="box01 margin10 clearfix"><h3><a 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