宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格江蘇中徽測(cè)控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="質(zhì)量流量計(jì)由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時(shí)需給出介質(zhì)的參數(shù)，宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格。在介質(zhì)參數(shù)不斷變化的情況下，往往難以達(dá)到這一要求，而造成儀表顯示值失真。因此，質(zhì)量流量計(jì)就得到的應(yīng)用和重視。質(zhì)量流量計(jì)分"><meta name="keywords" content="宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(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 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rel="nofollow">江蘇中徽測(cè)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(hào)</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="dxzryax" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="v88wj3z" class="box"><p><p style="text-indent:25px">質(zhì)量流量計(jì)由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時(shí)需給出介質(zhì)的參數(shù)，宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格。在介質(zhì)參數(shù)不斷變化的情況下，往往難以達(dá)到這一要求，而造成儀表顯示值失真。因此，質(zhì)量流量計(jì)就得到的應(yīng)用和重視。質(zhì)量流量計(jì)分直接式和間接式兩種。直接式質(zhì)量流量計(jì)利用與質(zhì)量流量直接有關(guān)的原理進(jìn)行測(cè)量，目前常用的有量熱式、角動(dòng)量式，宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格、振動(dòng)陀螺式、馬格努斯效應(yīng)式和科里奧利力式等質(zhì)量流量計(jì)，宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格。間接式質(zhì)量流量計(jì)是用密度計(jì)與容積流量直接相乘求得質(zhì)量流量的。超聲波流量計(jì)是一種非接觸式測(cè)量?jī)x表，可用來(lái)測(cè)量不易接觸、不易觀察的流體流量和大管徑流量。宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289134746609/1367639.png"></div><p style="text-indent:25px">孔板流量計(jì)的常見(jiàn)問(wèn)題主要有以下幾類(lèi)：被測(cè)流體特性的影響比方在用孔板流量計(jì)丈量自然氣流量的時(shí)分，思索到自然氣自身的性質(zhì)，會(huì)隨著外界環(huán)境溫度的變化而發(fā)作復(fù)雜的改動(dòng)，從而會(huì)影響到流量計(jì)的丈量精度。關(guān)于自然氣等密度會(huì)發(fā)作改動(dòng)的介質(zhì)的丈量，必需首先肯定一個(gè)穩(wěn)定的工作溫度和正常的壓力。盡量減小外界溫度變化所帶來(lái)的壓力和溫度隨之發(fā)作的變化，大水平減小密度變化和緊縮系數(shù)變化，從而保證丈量的精確度。低密度氣體對(duì)某些丈量辦法的呈現(xiàn)艱難，此時(shí)就要改動(dòng)已選定的丈量辦法，或者作溫度，并及時(shí)停止壓力修正，以保證丈量精確精確度。儀表性能的影響孔板流量計(jì)自身可能惹起誤差的緣由主要有：孔板入口直角銳利度；管徑尺寸與原方案不符；孔板厚度存在誤差；節(jié)流件附件產(chǎn)生臺(tái)階、偏心率；孔板上游端面的平度；環(huán)室尺寸產(chǎn)生臺(tái)階、偏心率；取壓的位置；焊接、焊縫能否突出；取壓孔加工不標(biāo)準(zhǔn)或呈現(xiàn)梗塞；節(jié)流件的不同軸度等等。這些要素都有可能影響孔板的反復(fù)性，反復(fù)性是由儀器自身的結(jié)構(gòu)原理與制造質(zhì)量所決議的，它的過(guò)程控制在實(shí)踐應(yīng)用中是很重要的指標(biāo)。而準(zhǔn)確度除了取決于反復(fù)性之外，還與量值標(biāo)定系統(tǒng)有關(guān)系。在實(shí)踐應(yīng)用中，儀表性能的反復(fù)性被許多要素干擾。宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格智能電磁流量計(jì)在進(jìn)行測(cè)量時(shí)不會(huì)受到，流體的粘度和密度的影響；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289042998618/4460086.png"></div><p> 測(cè)量流體流量的儀表統(tǒng)稱(chēng)為流量計(jì)或流量表．流量計(jì)是工業(yè)測(cè)量中重要的儀表之一．隨著工業(yè)生產(chǎn)的發(fā)展，對(duì)流量測(cè)量的準(zhǔn)確度和范圍的要求越來(lái)越高，流量測(cè)量技術(shù)日新月異．為了適應(yīng)各種用途，各種類(lèi)型的流量計(jì)相繼問(wèn)世。目前已投入使用的流量計(jì)已超過(guò)100種。每種產(chǎn)品都有它特定的適用性,也都有它的局限性。按測(cè)量原理分有力學(xué)原理、熱學(xué)原理、聲學(xué)原理、電學(xué)原理、光學(xué)原理、原子物理學(xué)原理等。檢測(cè)件又可按其標(biāo)準(zhǔn)化程度分為二大類(lèi):標(biāo)準(zhǔn)的和非標(biāo)準(zhǔn)的。所謂標(biāo)準(zhǔn)檢測(cè)件是只要按照標(biāo)準(zhǔn)文件設(shè)計(jì)、制造、安裝和使用,無(wú)須經(jīng)實(shí)流標(biāo)定即可確定其流量值和估算測(cè)量誤差。非標(biāo)準(zhǔn)檢測(cè)件是成熟程度較差的,尚未列入國(guó)際標(biāo)準(zhǔn)中的檢測(cè)件。 </p> <p> <br /> </p> <p> <br /> </p><p> 充滿管道的流體，當(dāng)它們流經(jīng)管道內(nèi)的節(jié)流裝置時(shí)，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮，從而使流速增加，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(dòng)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)可以通過(guò)測(cè)量壓差來(lái)衡量流體流量的大小。這種測(cè)量方法是以能量守衡定律和流動(dòng)連續(xù)性定律為基準(zhǔn)的。智能節(jié)流裝置（孔板流量計(jì)）是集流量、溫度、壓力檢測(cè)功能于一體，并能進(jìn)行溫度、壓力自動(dòng)補(bǔ)償?shù)男乱淮髁坑?jì)，該孔板流量計(jì)采用先進(jìn)的微機(jī)技術(shù)與微功耗新技術(shù)，功能強(qiáng)，結(jié)構(gòu)緊湊，操作簡(jiǎn)單，使用方便?！装辶髁坑?jì)節(jié)流裝置結(jié)構(gòu)易于復(fù)制，簡(jiǎn)單、牢固，性能穩(wěn)定可靠，使用期限長(zhǎng)，價(jià)格低廉。▲孔板計(jì)算采用國(guó)際標(biāo)準(zhǔn)與加工▲孔板流量計(jì)應(yīng)用范圍廣，全部單相流皆可測(cè)量，部分混相流亦可應(yīng)用。▲標(biāo)準(zhǔn)型節(jié)流裝置無(wú)須實(shí)流校準(zhǔn)，即可投用?！惑w型孔板流量計(jì)安裝更簡(jiǎn)單，無(wú)須引壓管，可直接接差壓變送器和壓力變送器。 </p> <p> <br /> </p> <p> <br /> 流體流動(dòng)帶動(dòng)渦輪轉(zhuǎn)動(dòng)，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="宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png"></div><p style="text-indent:25px">孔板流量計(jì)的取壓方式孔板流量計(jì)的取壓方式有以下幾種：1、角接取壓包括鉆孔取壓和環(huán)室取壓，有利于縮短直管段，精度較高。其中鉆孔取壓適合管徑為DN400-DN3000，環(huán)室取壓適合DN50-DN400。2、法蘭取壓具有加工簡(jiǎn)單、易安裝易清理等特點(diǎn)，但精度低于角接取壓，適合管徑為DN50-DN1000。3、徑距取壓點(diǎn)固定，適合雷諾數(shù)大的場(chǎng)合，適合管徑為DN50-DN1000。環(huán)室取壓就屬于角接取壓，用上環(huán)室進(jìn)行均壓效果更好一些，但是DN600的孔板用環(huán)室成本就提高不少，若只用法蘭式角接取壓安裝時(shí)要注意到位也行，準(zhǔn)確度會(huì)有所降低；法蘭取壓較簡(jiǎn)單，容易裝配，但準(zhǔn)確度較角接取壓低一些；此外還有徑距取壓，但其壓差較小不易測(cè)量，因此很少采用，但徑距取壓適用于大管道的過(guò)熱蒸汽測(cè)量；根據(jù)你這種情況采用環(huán)室角接取壓效果，準(zhǔn)確度和靈敏度都高，但是成本稍高一些。質(zhì)量流量計(jì)額安裝時(shí)建議在流量計(jì)進(jìn)口處加過(guò)濾器。宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格</p><p style="text-indent:25px">電磁流量計(jì)是通過(guò)測(cè)量導(dǎo)電液體的速度確定工作狀態(tài)下的體積流量。宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格</p><p style="text-indent:25px"> 電磁流量計(jì)應(yīng)用領(lǐng)域,大口徑儀表較多應(yīng)用于給排水工程;中小口徑常用于高要求或難測(cè)場(chǎng)合,如鋼鐵工業(yè)高爐風(fēng)口冷卻水控制,造紙工業(yè)測(cè)量紙漿液和黑液,化學(xué)工業(yè)的強(qiáng)腐蝕液,有色冶金工業(yè)的礦漿;小口徑、微小口徑常用于醫(yī)藥工業(yè)、食品工業(yè)、生物化學(xué)等有衛(wèi)生要求的場(chǎng)所。?EMF從50年代初進(jìn)入工業(yè)應(yīng)用以來(lái),使用領(lǐng)域日益擴(kuò)展,80年代后期起在各國(guó)流量?jī)x表銷(xiāo)售金額中已占16%~20%。?我國(guó)近年發(fā)展迅速,1994年銷(xiāo)售估計(jì)為6500~7500臺(tái)。國(guó)內(nèi)已生產(chǎn)比較大口徑為2~6m的ENF,并有實(shí)流校驗(yàn)口徑3m的設(shè)備能力。宿遷長(zhǎng)頸噴嘴流量計(jì)銷(xiāo)售價(jià)格</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3126852.html</p></div></div></div></div></div><div id="j4uu7ys" class="page-right twoColRt"><div id="87rt8eq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="q4ogt28" 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" 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