湖北孔板流量計廠家來電咨詢江蘇中徽測控儀表供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="渦街流量計(USF)特點（1）抗振性能差。外來振動會使渦街流量計產(chǎn)生測量誤差，甚至不能正常工作。通道流體高流速沖擊會使渦街發(fā)生體的懸臂產(chǎn)生附加振動，使測量精度降低。大管徑影響更為明顯。（2）對測量臟污介質(zhì)適應性差。渦街流量計的發(fā)生體極易被介"><meta name="keywords" content="湖北孔板流量計廠家,流量計"><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" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖北孔板流量計廠家,流量計</p><p><span>***更新：</span>2020-09-06 05:20:07</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="odk8u3q" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機: </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號</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="ehzmipr" class="page-proshow02"><p class="title">詳細說明</p><div id="qasew7c" class="box"><p><p> 渦街流量計(USF)特點 </p> <p> （1）抗振性能差。外來振動會使渦街流量計產(chǎn)生測量誤差，甚至不能正常工作。通道流體高流速沖擊會使渦街發(fā)生體的懸臂產(chǎn)生附加振動，使測量精度降低。大管徑影響更為明顯。 </p> <p> （2）對測量臟污介質(zhì)適應性差。渦街流量計的發(fā)生體極易被介質(zhì)臟污或被污物纏繞，改變幾何體尺寸，對測量精度造成極大影響，湖北孔板流量計廠家。 </p> <p> <span style="font-size:12px;">（3）直管段要求高。**指出，湖北孔板流量計廠家，渦街流量計直管段一定要保證前 40D 后 **，才能滿足測量要求。</span> </p> <p> <span style="font-size:12px;">（4）耐溫性能差。渦街流量計一般只能測量 300℃以下介質(zhì)的流體流量，湖北孔板流量計廠家。</span> 質(zhì)量流量計在介質(zhì)參數(shù)不斷變化的情況下，往往難以達到這一要求，而造成儀表顯示值失真。湖北孔板流量計廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北孔板流量計廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837199179687/3462499.png"></div><p> 流量計指示被測流量和(或)在選定的時間間隔內(nèi)流體總量的儀表，也是測量液體、氣體流量必不可少的儀表，大家平時想必也都見過許多不同類型的流量計。正確的安裝方式對流量計來說十分重要。 </p> <p> 流量測量的發(fā)展可追溯到古代的水利工程和城市供水系統(tǒng)。古羅馬凱撒時代已采用孔板測量居民的飲用水水量。公元**00年左右古埃及用堰法測量尼羅河的流量。我國的都江堰水利工程應用寶瓶口的水位觀測水量大小等等。17世紀托里拆利奠定差壓式流量計的理論基礎(chǔ)，這是流量測量的里程碑。自那以后，18、19世紀流量測量的許多類型儀表的雛形開始形成，如堰、示蹤法、皮托管、文丘里管、容積、渦輪及靶式流量計等。山東金屬轉(zhuǎn)子流量計廠家批發(fā)智能電磁流量計是一種流量儀表，因為它是根據(jù)傳統(tǒng)的物理電磁感應原理制成的，擁有著非常獨特的特點；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北孔板流量計廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837071103515/2703394.png"></div><p> 孔板流量計安裝前基本要求： </p> <p> 1．孔板流量計安裝前應仔細核對標準孔板的編號、位號、規(guī)格是否與管道情況、流量范圍等參數(shù)相符。在取壓口附近標有“+”的一端應與流體上游管段聯(lián)接，標有“—”的一端應與流體下游管段聯(lián)接。 </p> <p> 2．對于新設管路系統(tǒng)，必須先經(jīng)掃線后再安裝標準孔板，以防管內(nèi)雜物堵塞或損傷標準孔板。 </p> <p> 3．標準孔板的中心線應當與管道中心線同軸。 </p> <p> 孔板流量計使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計可以通過測量壓差來衡量流體流量的大小。這種測量方法是以能量守衡定律和流動連續(xù)性定律為基準的。 </p><p> 電磁流量計的安裝與調(diào)試比其它流量計復雜，且要求更嚴格。變送器和轉(zhuǎn)換器必須配套使用，兩者之間不能用兩種不同型號的儀表配用。在安裝變送器時，從安裝地點的選擇到具體的安裝調(diào)試，必須嚴格按照產(chǎn)品說明書要求進行。安裝地點不能有振動，不能有強磁場。在安裝時必須使變送器和管道有良好的接觸及良好的接地。變送器的電位與被測流體等電位。在使用時，必須排盡測量管中存留的氣體，否則會造成較大的測量誤差。 </p> <p> 電磁流量計用來測量帶有污垢的粘性液體時，粘性物或沉淀物附著在測量管內(nèi)壁或電極上，使變送器輸出電勢變化，帶來測量誤差，電極上污垢物達到一定厚度，可能導致儀表無法測量。渦輪流量計特點：抗雜質(zhì)能力強、抗電磁干擾和抗振能力強;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北孔板流量計廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837225146484/5269614.png"></div><p style="text-indent:25px">智能電磁流量計傳感器接地很重要，尤其在管道存在雜散電流干擾時，只有良好的接地保護，才能使智能電磁流量計準確地測量。也許在沒有這種干擾的環(huán)境里，不接地并不影響流量計準確測量，但是一旦環(huán)境改變，即造成流量計不能準確穩(wěn)定地工作，所以我們在安裝時比較好做好傳感器接地保護，給智能電磁流量計創(chuàng)造一個良好的工作環(huán)境。接地環(huán)分為普通型和保護型，一般是使用普通型，若被測介質(zhì)是磨損性的，宜使用帶頸的保護接地環(huán)。以保護進口端的襯里，延長使用壽命。若口徑在200mm以下的智能電磁流量計，選用聚四氟乙烯襯里時，應選用接地環(huán)，以保證在管道連接安裝時保護襯里不受損壞，接地環(huán)通常是不銹鋼或Hc合金的。污水流量計結(jié)構(gòu)簡單、牢固可靠、使用壽命長。湖北長頸噴嘴流量計</p><p style="text-indent:25px">孔板流量計的節(jié)流裝置結(jié)構(gòu)簡單，且牢固、性能穩(wěn)定可靠，是工業(yè)中常用到的流量測量儀表；湖北孔板流量計廠家</p><p style="text-indent:25px">熱電偶和熱電阻溫度計屬于接觸式溫度計，由于其無法替代的優(yōu)點成為工礦企業(yè)和科研院所常用的溫度測量儀表。正確的安裝熱電偶和熱電阻傳感器是保證其測量精度和使用壽命的重要因素。下面根據(jù)平時的使用情況以幾種常用的安裝方式作些介紹，希望能給大家的實際工作提供點參考。首先熱電偶和熱電阻的安裝應盡可能保持垂直，以防止保護套管在高溫下產(chǎn)生變形，但在有流速的情況下，則必須迎著被測介質(zhì)的流向插入，以保證測溫元件與流體的充分接觸以保證其測量精度。湖北孔板流量計廠家</p><p style="text-indent:25px">江蘇中徽測控儀表有限公司是一家主營產(chǎn)品：智能電磁流量計、插入式渦街流量計、智能超聲波流量計、威力巴流量計、平衡流量計、德爾塔巴流量計、超聲波流量計、雷達物位計、超聲波液位計、磁翻板液位計、電磁流量計、渦街流量計、旋進漩渦流量計、渦輪流量計、壓力差壓變送器、校驗設備等。的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。江蘇中徽測控儀表擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供雷達料位計，雷達液位計，物位計，水位計。江蘇中徽測控儀表不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導，以產(chǎn)品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。江蘇中徽測控儀表始終關(guān)注儀器儀表市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1174873.html</p></div></div></div></div></div><div id="2v2vhrd" class="page-right twoColRt"><div id="b3w8i4x" 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