宿遷電磁流量計(jì)價(jià)格江蘇中徽測控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="使用的用途現(xiàn)在有非常多不錯(cuò)的產(chǎn)品都是可以進(jìn)行使用的，使用起來也很方便，這一點(diǎn)安全沒有什么問題，宿遷電磁流量計(jì)價(jià)格，而像孔板流量計(jì)的話，這款設(shè)備使用起來效率還是很高的，因?yàn)榭梢詼y量出準(zhǔn)確的結(jié)果，所以使用的用途也很*，在蒸汽、氣體、液體等介質(zhì)的"><meta name="keywords" content="宿遷電磁流量計(jì)價(jià)格,流量計(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" content="OBVzrC9aaQ" /> <meta 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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_yyb/">液位儀表</a>?宿遷電磁流量計(jì)價(jià)格江蘇中徽測控儀表供應(yīng)</p><div id="ubdkgxb" class="leftbox clearfix"><h1>宿遷電磁流量計(jì)價(jià)格江蘇中徽測控儀表供應(yīng)</h1><div id="tspfbnu" class="proBig"><div id="8hj34ph" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289238506436/7289599.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="max8k87" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289238506436/7289599.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oxe3h9h" 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>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>宿遷電磁流量計(jì)價(jià)格,流量計(jì)</p><p><span>***更新：</span>2021-01-16 02:08:10</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="jyp77vl" 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(jī): </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(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="lfhbnzl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="778i7ov" class="box"><p><p style="text-indent:25px">使用的用途現(xiàn)在有非常多不錯(cuò)的產(chǎn)品都是可以進(jìn)行使用的，使用起來也很方便，這一點(diǎn)安全沒有什么問題，宿遷電磁流量計(jì)價(jià)格，而像孔板流量計(jì)的話，這款設(shè)備使用起來效率還是很高的，因?yàn)榭梢詼y量出準(zhǔn)確的結(jié)果，所以使用的用途也很*，在蒸汽、氣體、液體等介質(zhì)的測量中都可以發(fā)揮出作用，因此電工、化工、冶金、石油等范圍都可以進(jìn)行使用。要如何選購現(xiàn)在可以購買的各種設(shè)備真的非常豐富，種類也很多，在這樣的情況下，需要注意的事情也是很多的，這一點(diǎn)可以信賴，而說到了孔板流量計(jì)的話，這一款設(shè)備使用起來也很方便，選購的過程中，只要注意使用的領(lǐng)域是哪里，宿遷電磁流量計(jì)價(jià)格，而且使用的管道類型，宿遷電磁流量計(jì)價(jià)格，即可選擇到合適的測量計(jì)，其次是要關(guān)注一下使用的環(huán)境，選擇正確的型號，保證使用后的性能?，F(xiàn)在有非常多測量設(shè)備都會獲得普及使用，像孔板流量計(jì)的話，因?yàn)槭褂玫男阅懿诲e(cuò)，所以現(xiàn)在才會被普及頻繁的進(jìn)行使用，使用效果是很不錯(cuò)的，這一點(diǎn)值得信賴?？装辶髁坑?jì)一體型孔板安裝更簡單，無須引壓管，可直接接差壓變送器和壓力變送器。宿遷電磁流量計(jì)價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿遷電磁流量計(jì)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289238506436/7289599.png"></div><p style="text-indent:25px"> 智能電磁流量計(jì)傳感器接地很重要，尤其在管道存在雜散電流干擾時(shí)，只有良好的接地保護(hù)，才能使智能電磁流量計(jì)準(zhǔn)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(jì)準(zhǔn)確測量，但是一旦環(huán)境改變，即造成流量計(jì)不能準(zhǔn)確穩(wěn)定地工作，所以我們在安裝時(shí)比較好做好傳感器接地保護(hù)，給智能電磁流量計(jì)創(chuàng)造一個(gè)良好的工作環(huán)境。接地環(huán)分為普通型和保護(hù)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(hù)接地環(huán)。以保護(hù)進(jìn)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(jì)，選用聚四氟乙烯襯里時(shí)，應(yīng)選用接地環(huán)，以保證在管道連接安裝時(shí)保護(hù)襯里不受損壞，接地環(huán)通常是不銹鋼或Hc合金的。常州插入式巴類流量計(jì)廠流體流動帶動渦輪轉(zhuǎn)動，渦輪的轉(zhuǎn)速轉(zhuǎn)換成電脈沖，用二次表顯示出數(shù)據(jù)，反應(yīng)流體流速。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿遷電磁流量計(jì)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png"></div><p> 電極襯里附著物的影響在丈量有附著沉淀物的流體時(shí)，電極表面將受污染，經(jīng)常引起零點(diǎn)變動，故必需留意。零點(diǎn)變化和電極污染程度兩者的關(guān)系，要進(jìn)行定量分析比較難題，但可以說，電極直徑越小，所受的影響越少，在使用中，應(yīng)留意電極的清污，以防止附著。在襯里上附著沉淀物時(shí)產(chǎn)生的誤差Δε，假如附著的厚度是一樣，則可由式：Δε=1-2/[1+(Kω/Kf)+(1-Kω/Kf)×(1-2t/D)2]計(jì)算，式中Kω、Kf分別為附著物和丈量流體的電導(dǎo)率，附著物厚度為t，直徑為D。若式中，Kω和Kf相等，則無誤差，附著物的電導(dǎo)率較低時(shí)，上式也成立，但由于會增加電極的輸出阻抗，因此受到限制，如絕緣性沉淀物浸在流體中就是這種情況。相反，如附著金屬粉末等，因高電導(dǎo)率的附著層，使感應(yīng)電勢短路，使電極輸出偏低，造成負(fù)偏差。在丈量具有沉淀附著物的流體時(shí)，除了選擇如玻璃或聚四氯乙烯等難以附著沉淀的襯里外，還應(yīng)增其流速。假如在流體中平均地含有氣泡，則丈量的是包括氣泡的體積流量，并且使所測流量值不不亂，而引入誤差。綜上所述，在選用流量計(jì)特別是大口徑電磁流量計(jì)時(shí)，應(yīng)考慮今后對傳感器的電極及襯里的維護(hù)題目。如選用上海光華·愛而美特儀器有限公司的刮刀電極或可更換式電極. </p> <p> <br /> </p> <p> <br /> </p><p style="text-indent:25px">電磁流量計(jì)應(yīng)用一直都非常，由于是為供水企業(yè)水計(jì)量商業(yè)專門設(shè)計(jì)的，具有防水、防腐、防干擾、防雷擊的能力。那么在電磁流量計(jì)使用中也肯定有一些題目，我們就收集來分析一下。一、傳感器接地的題目電磁流量計(jì)傳感器電極檢測的流量信號是毫伏級，且以傳感器內(nèi)流體的電位為基準(zhǔn)的，所以外來干擾對它的影響很大，因而，良好的接地很大程度上決定著流量計(jì)的丈量正確度。被測的流體本身作為電導(dǎo)體，必需排除其他不相關(guān)的電磁干擾。電極檢測出的電勢信號，不受外界寄生電勢的干擾。對傳感器應(yīng)有良好的單獨(dú)接地線，接地電阻小于10Ω。在連接傳感器的管道內(nèi)若涂有絕緣層或長短金屬管道時(shí)，傳感器兩側(cè)應(yīng)裝有接地環(huán)。電磁流量計(jì)的電源線，要做好防雷電的工作。特別是夏天，一定做注意這一點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿遷電磁流量計(jì)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png"></div><p style="text-indent:25px">V錐流量計(jì)特點(diǎn)V錐流量計(jì)是從2000年左右才在中國國內(nèi)出現(xiàn)的流量計(jì)。其工作原理和孔板流量計(jì)相同。介質(zhì)通過V錐時(shí),由于阻流件V錐的存在,使得流體的流過面積發(fā)生變化,流速發(fā)生變化,根據(jù)伯努利方程,流速變化引起了壓力的變化,該壓力的變化與流速之間有一定的關(guān)系。通過測量該壓力差達(dá)到測量流量的目的。雖然與孔板原理一樣,但是本質(zhì)的區(qū)別在于孔板為中心收縮型節(jié)流裝置,而V錐為邊壁收縮型節(jié)流裝置。眾所周知,測量范圍窄是制約孔板使用的主要原因。測量范圍窄的主要原因是:孔板的流量系數(shù)隨雷諾數(shù)的變化而變化較大,孔板的突然節(jié)流導(dǎo)致孔板后發(fā)生比較大的漩渦,該漩渦的存在直接導(dǎo)致信號噪聲比較大,從而限制了它的測量范圍。而V錐流量計(jì)克服了以上缺點(diǎn)。流量計(jì)傳感器上游也應(yīng)該有一定的直管段，一般在5D~10D。常州插入式巴類流量計(jì)廠</p><p style="text-indent:25px">在孔板流量計(jì)前后若需安裝閥門，比較好選閘閥且在運(yùn)行中全開；調(diào)節(jié)閥則應(yīng)在下游5DN之后的管路中。宿遷電磁流量計(jì)價(jià)格</p><p style="text-indent:25px">孔板流量計(jì)本應(yīng)是鋒利直角的入口邊緣卻變成了喇叭口，改動了流出系數(shù)，產(chǎn)生了較大誤差，不得不改換?？梢?，丈量高溫流體的流量，本產(chǎn)品是佳選擇，流體流經(jīng)管道內(nèi)的節(jié)流安裝，在節(jié)流件左近形成部分收縮，流速增加，在其上、下游兩側(cè)產(chǎn)生靜壓力差?？装辶髁坑?jì)的節(jié)流安裝構(gòu)造簡單，且結(jié)實(shí)、性能穩(wěn)定牢靠，運(yùn)用期限長，價(jià)錢較低，是工業(yè)中常用到的流量丈量儀表，整個(gè)加工過程采用國際規(guī)范，并經(jīng)過嚴(yán)厲的校驗(yàn)檢測?？装辶髁坑?jì)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)活動的流量越大。在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計(jì)能夠經(jīng)過丈量壓差來權(quán)衡流體流量的大小。這種丈量辦法是以能量守衡定律和活動連續(xù)性定律為基準(zhǔn)的，孔板流量計(jì)可丈量管道中各種流體的流量，可丈量的介質(zhì)有液體、氣體、蒸汽，被普遍應(yīng)用于石油、化工、冶金、輕工、煤礦等工業(yè)部門?？装辶髁坑?jì)前后產(chǎn)生一個(gè)靜壓力差，該壓力差與流量存在著一定的函數(shù)關(guān)系，流量越大，壓力差就越大，差壓信號傳送給差壓變送器，轉(zhuǎn)換成4-20ma.DC模仿信號輸出，遠(yuǎn)轉(zhuǎn)給流量積算儀，完成流體流量的計(jì)量。質(zhì)量型流量計(jì)，應(yīng)用智能型差壓變送器，對工況溫/壓停止自動補(bǔ)償后。宿遷電磁流量計(jì)價(jià)格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2863892.html</p></div></div></div></div></div><div id="kz3j9zl" class="page-right twoColRt"><div id="fu2yctk" class="box01 margin10 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