超聲波液位計(jì)哪家實(shí)惠推薦咨詢南儀測控技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="導(dǎo)波雷達(dá)液位計(jì)的桿式與纜式兩種類型有什么區(qū)別？導(dǎo)波雷達(dá)液位計(jì)可測量兩種不同介質(zhì)的界面，充分利用介質(zhì)的介電常數(shù)的不同，該產(chǎn)品可發(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"><meta name="keywords" content="超聲波液位計(jì)哪家實(shí)惠,液位計(jì)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3qsprta" 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>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>超聲波液位計(jì)哪家實(shí)惠,液位計(jì)</p><p><span>***更新：</span>2021-01-13 00:30:03</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="3lxubsz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測控技術(shù)(上海)有限公司</a></p><p><span>聯(lián)系人：</span>桂經(jīng)理</p><p><span>郵箱: </span>704766500@qq.com</p><p><span>電話: </span>17802114401</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.nanicontrol.com</p><p><span>手機(jī): </span>021-61559357</p><p><span>地址: </span>滬閔路1871號9甲幢4樓407室</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="dskxzw7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zikrtkm" class="box"><p><p style="text-indent:25px">導(dǎo)波雷達(dá)液位計(jì)的桿式與纜式兩種類型有什么區(qū)別？導(dǎo)波雷達(dá)液位計(jì)可測量兩種不同介質(zhì)的界面，充分利用介質(zhì)的介電常數(shù)的不同，該產(chǎn)品可發(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。同時(shí)，超聲波液位計(jì)哪家實(shí)惠，超聲波液位計(jì)哪家實(shí)惠，超聲波液位計(jì)哪家實(shí)惠，導(dǎo)波雷達(dá)也。但測量條件是上層介質(zhì)不導(dǎo)電，或其介電常數(shù)比下層介質(zhì)介電常數(shù)小10倍以上。脈沖的工作方式可測小介電常數(shù)介質(zhì)，并安全適用于各種金屬，非金屬容器內(nèi)，對人體及環(huán)境無傷害。產(chǎn)品應(yīng)用與煤廠、電廠、石油化工、食品行業(yè)及一般工業(yè)應(yīng)用。在容器中液體介質(zhì)的高低叫做液位，測量液位的儀表叫液位計(jì)。超聲波液位計(jì)哪家實(shí)惠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="超聲波液位計(jì)哪家實(shí)惠,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929297750375/3831206.png"></div><p style="text-indent:25px">吹泡式液位計(jì)是應(yīng)用靜壓原理測量敞口容器液位。壓縮空氣經(jīng)過過濾減壓閥后，再經(jīng)定值器輸出一定的壓力，經(jīng)節(jié)流元件后分兩路：(1)一路進(jìn)到安裝在容器內(nèi)的導(dǎo)管，由容器底部吹出；(2)另一路進(jìn)入壓力計(jì)進(jìn)行指示。當(dāng)液位較低時(shí)，氣泡吹出沒有阻力，背壓力零，壓力計(jì)指零；當(dāng)液位增高時(shí)，氣泡吹出要克服液柱的靜壓力，背壓增加，壓力指示增大。因此，背壓即壓力計(jì)指示的壓力大小，就反映了液面的高低。吹泡式液位計(jì)結(jié)構(gòu)簡單、價(jià)廉，適用于測量具有腐蝕性、粘度大和含有懸浮顆粒的敞口容器的液位，但精度較低。超聲波液位計(jì)哪家實(shí)惠投入式液位計(jì)結(jié)構(gòu)材料：外殼：不銹鋼1Cr18Ni9Ti 。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="超聲波液位計(jì)哪家實(shí)惠,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929277623440/6404513.png"></div><p style="text-indent:25px">外測液位儀的基本工作原理：外測液位儀與當(dāng)前國內(nèi)外使用的在儲(chǔ)罐或其連通器內(nèi)部探測液位的儀表原理完全不同，它是利用對人體無害的微振動(dòng)原理，在容器壁外側(cè)液面以下部位連續(xù)測出液面的精確高度，而完全不接觸容器內(nèi)的液體和氣體，可比較應(yīng)用于各種容器內(nèi)液面和界面高度的連續(xù)精確測量。該技術(shù)建立了容器內(nèi)液體和薄殼結(jié)構(gòu)罐體的力學(xué)振動(dòng)特性與液位對應(yīng)關(guān)系的規(guī)律及數(shù)學(xué)模型。**稱其為“液位測量的一場技術(shù)**”，并認(rèn)為“開創(chuàng)了儀表發(fā)展的新思路”，在技術(shù)上居國際水平。當(dāng)外測液位儀的測量頭檢測到容器壁上的微小機(jī)械振動(dòng)（它由液體振動(dòng)特性和容器振動(dòng)特性決定）后，外測液位儀會(huì)把這些信息經(jīng)過**算法分析，判別、剔除與液位變化無關(guān)的虛假波形，提取出其液位特征量，從而計(jì)算出液面的高度。</p><p style="text-indent:25px">液位計(jì)常規(guī)檢查及故障解決方法,適用于磁翻板液位計(jì)，雙色石英管液位計(jì)，玻璃管液位計(jì)等。1、先檢查電源是否接對，如發(fā)現(xiàn)接法不正確應(yīng)依照操作手冊進(jìn)行修改。2、用三電壓表量測+24V與O/P間之電壓，電壓應(yīng)在13V~36V之間，若電壓不正常應(yīng)查看線路或相關(guān)設(shè)備是否異常。3. 第2項(xiàng)應(yīng)先確認(rèn)正常后，再于4~20MA回路串一只毫安電表，檢查電流是否正常，若電流值不正常應(yīng)更換新品或洽客服人員。4.用電壓表檢查IN與COM間之電壓，正常應(yīng)為2.5V左右，若電壓過低應(yīng)再移除EXC導(dǎo)線看看，如果電壓恢復(fù)正常則表示磁黃模塊不正常，若電仍然偏低則表示訊號轉(zhuǎn)換器損壞。內(nèi)浮式磁性液位計(jì)是一種雙腔液位計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="超聲波液位計(jì)哪家實(shí)惠,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929374420413/5043601.png"></div><p style="text-indent:25px">投入式液位計(jì)（靜壓液位計(jì)/液位變送器/液位傳感器/水位傳感器）是一種測量液位的壓力傳感器．靜壓投入式液位變送器（液位計(jì)）是基于所測液體靜壓與該液體的高度成比例的原理，采用國外先進(jìn)的隔離型擴(kuò)散硅敏感元件或陶瓷電容壓力敏感傳感器，將靜壓轉(zhuǎn)換為電信號，再經(jīng)過溫度補(bǔ)償和線性修正，轉(zhuǎn)化成標(biāo)準(zhǔn)電信號（一般為4～20mA/1～5VDC）。特點(diǎn)：靈敏度高，響應(yīng)時(shí)間≤1ms。精度等級高，可達(dá)0.1級。全不銹鋼密封結(jié)構(gòu)，IP68防水。聚氨酯導(dǎo)氣電纜，耐高溫、耐腐蝕。體積小巧，便于安裝、投放。液位計(jì)的類型有音叉振動(dòng)式、磁浮式、壓力式、超聲波、聲吶波，磁翻板、雷達(dá)等。超聲波液位計(jì)哪家實(shí)惠</p><p style="text-indent:25px">傳感器迎液面受到的壓力公式中g(shù) ：當(dāng)?shù)刂亓铀俣?。超聲波液位?jì)哪家實(shí)惠</p><p style="text-indent:25px">電容式液位計(jì)是采用測量電容的變化來測量液面的高低的。它是一根金屬棒插入盛液容器內(nèi)，金屬棒作為電容的一個(gè)極，容器壁作為電容的另一極。兩電極間的介質(zhì)即為液體及其上面的氣體。由于液體的介電常數(shù)ε1和液面上的介電常數(shù)ε2不同，比如：ε1>ε2，則當(dāng)液位升高時(shí)，兩電極間總的介電常數(shù)值隨之加大因而電容量增大。反之當(dāng)液位下降，ε值減小，電容量也減小。所以，可通過兩電極間的電容量的變化來測量液位的高低。電容液位計(jì)的靈敏度主要取決于兩種介電常數(shù)的差值，而且，只有ε1和ε2的恒定才能保證液位測量準(zhǔn)確，因被測介質(zhì)具有導(dǎo)電性，所以金屬棒電極都有絕緣層覆蓋。電容液位計(jì)體積小，容易實(shí)現(xiàn)遠(yuǎn)傳和調(diào)節(jié)，適用于具有腐蝕性和高壓的介質(zhì)的液位測量。超聲波液位計(jì)哪家實(shí)惠</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司位于滬閔路1871號9甲幢4樓407室。公司業(yè)務(wù)分為壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)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(shí)，遵守行業(yè)規(guī)范，植根于五金、工具行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2817627.html</p></div></div></div></div></div><div id="a7nw3u3" class="page-right twoColRt"><div id="a7jb324" class="box01 margin10 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