南通插入式巴類流量計(jì)批發(fā)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)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電磁流量計(jì)的安裝與調(diào)試比其它流量計(jì)復(fù)雜，且要求更嚴(yán)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(hào)的儀表配用。在安裝變送器時(shí)，從安裝地點(diǎn)的選擇到具體的安裝調(diào)試，必須嚴(yán)格按照產(chǎn)品說明書要求進(jìn)行。安裝地點(diǎn)不能有振動(dòng)，不能有強(qiáng)磁場(chǎng)。在安"><meta name="keywords" content="南通插入式巴類流量計(jì)批發(fā)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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href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?南通插入式巴類流量計(jì)批發(fā)價(jià)格江蘇中徽測(cè)控儀表供應(yīng)</p><div id="4ayms04" class="leftbox clearfix"><h1>南通插入式巴類流量計(jì)批發(fā)價(jià)格江蘇中徽測(cè)控儀表供應(yīng)</h1><div id="m2eagcg" class="proBig"><div id="qcayugc" 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="wkiqesq" 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="a4qkq4m" 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>南通插入式巴類流量計(jì)批發(fā)價(jià)格,流量計(jì)</p><p><span>***更新：</span>2021-02-03 08:08:34</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="seu4kqo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a 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="wsq0myu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="y4igayc" class="box"><p><p> 電磁流量計(jì)的安裝與調(diào)試比其它流量計(jì)復(fù)雜，且要求更嚴(yán)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(hào)的儀表配用。在安裝變送器時(shí)，從安裝地點(diǎn)的選擇到具體的安裝調(diào)試，必須嚴(yán)格按照產(chǎn)品說明書要求進(jìn)行。安裝地點(diǎn)不能有振動(dòng)，不能有強(qiáng)磁場(chǎng)。在安裝時(shí)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(cè)流體等電位。在使用時(shí)，必須排盡測(cè)量管中存留的氣體，否則會(huì)造成較大的測(cè)量誤差。電磁流量計(jì)用來測(cè)量帶有污垢的粘性液體時(shí)，南通插入式巴類流量計(jì)批發(fā)價(jià)格，粘性物或沉淀物附著在測(cè)量管內(nèi)壁或電極上，使變送器輸出電勢(shì)變化，南通插入式巴類流量計(jì)批發(fā)價(jià)格，帶來測(cè)量誤差，電極上污垢物達(dá)到一定厚度，南通插入式巴類流量計(jì)批發(fā)價(jià)格，可能導(dǎo)致儀表無法測(cè)量。 </p> <p> <br /> </p> <p> <br /> 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；南通插入式巴類流量計(jì)批發(fā)價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通插入式巴類流量計(jì)批發(fā)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289238506436/7289599.png"></div><p style="text-indent:25px">需要標(biāo)定孔板是通過保證幾何尺寸就可以保證其測(cè)量精度的流量計(jì)。而V錐屬于新型的流量計(jì),雖然眾多的廠家及科研人員做了大量的實(shí)驗(yàn),但迄今為止V錐流量計(jì)可依據(jù)的國(guó)家標(biāo)準(zhǔn)有限,而且由于機(jī)密性和**的限制,現(xiàn)已公布的有關(guān)V錐流量計(jì)結(jié)構(gòu)設(shè)計(jì)的可利用的文獻(xiàn)較為缺乏。各個(gè)生產(chǎn)廠商依據(jù)企標(biāo)來生產(chǎn),可以說產(chǎn)品魚龍混雜,并不是每個(gè)廠商的產(chǎn)品都可靠。由于試驗(yàn)數(shù)據(jù)不充分,使得每臺(tái)V錐流量計(jì)出廠時(shí)都必須經(jīng)過嚴(yán)格的標(biāo)定。從而也增加其費(fèi)用。精度高由于V錐結(jié)構(gòu)無可動(dòng)部件,使得V錐具有很好的重復(fù)性,一般小于0.1%。由于量程比寬,即它的線性度好,從而使其精度較高。根據(jù)GB17167-2006《用能單位能源計(jì)量器具配備和管理通則》規(guī)定,用于能源計(jì)量的流量計(jì)準(zhǔn)確度等級(jí)要求為:煤氣和天然氣為2.0級(jí)。所以在測(cè)試分離器出口的氣體測(cè)量中,在10∶1的量程范圍內(nèi),V錐加上差壓變送器及二次表的總體誤差不會(huì)低于1.5級(jí),完全能滿足計(jì)量要求。長(zhǎng)期性能好由于錐體的輪廓形狀限制了介質(zhì)的流動(dòng),流體沿著錐體形成了邊界層,這意味著錐體的邊緣不容易受不清潔的流體磨損,從而使開孔比β保持不變,使得流量計(jì)可以在很長(zhǎng)時(shí)間內(nèi)保持精度而不必校驗(yàn)。南通插入式巴類流量計(jì)批發(fā)價(jià)格流量計(jì)是利用伯努利方程原理，通過測(cè)量流體差壓信號(hào)反映流量;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通插入式巴類流量計(jì)批發(fā)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289195098254/5407997.png"></div><p style="text-indent:25px">流動(dòng)本身的脈動(dòng)，如擬裝儀表位置的上游有往復(fù)泵或調(diào)節(jié)閥，或下游有大負(fù)荷變化等，應(yīng)改換測(cè)量位置或在管道系統(tǒng)予以補(bǔ)救改進(jìn)，如加裝緩沖罐;若是儀表自身的振蕩，如測(cè)量時(shí)氣體壓力過低，儀表上游閥門未全開，調(diào)節(jié)閥未裝在儀表下游等原因，應(yīng)針對(duì)性改進(jìn)克服，或改選用有阻尼裝置的儀表。5、轉(zhuǎn)子流量計(jì)要排盡液體用儀表內(nèi)氣體進(jìn)出口不在直線的角型金屬轉(zhuǎn)子流量計(jì)，用于液體時(shí)注意外傳浮子位移的引申套管內(nèi)是否殘留空氣，必須排盡;若液體含有微小氣泡流動(dòng)時(shí)極易積聚在套管內(nèi)，更應(yīng)定時(shí)排氣。這點(diǎn)對(duì)小口徑儀表更為重要，否則影響流量示值明顯。6、轉(zhuǎn)子流量計(jì)流量值應(yīng)作必要換算若非按使用密度、粘度等介質(zhì)參數(shù)向轉(zhuǎn)子流量計(jì)生產(chǎn)廠家專門訂制的儀表，液體用儀表通常以水標(biāo)定流量，氣體儀表用空氣標(biāo)定，定值在工程標(biāo)準(zhǔn)狀態(tài)。使用條件的流體密度、氣體壓力溫度與標(biāo)定不一致時(shí)，要做必要換算。換算公式和方法轉(zhuǎn)子流量計(jì)的制造廠使用說明書中都有詳述。</p><p style="text-indent:25px">水平管道基本安裝方式對(duì)于水平管道，測(cè)量氣體時(shí)推薦安裝在管道上方160度范圍內(nèi)，尤其對(duì)于有大量水粉的氣體時(shí)，我們只推薦這樣安裝;測(cè)量液體時(shí)推薦安裝在管道下方160度范圍內(nèi)，尤其對(duì)于含有大量氣體的液體時(shí)，我們只推薦這樣安裝;但有一點(diǎn)要注意，對(duì)于那些極易氣化的液體，如液態(tài)的烯烴類介質(zhì)，安裝時(shí)插入方向同氣體，在管道上方。測(cè)量蒸汽時(shí)只推薦傳感器安裝在管道下方160度內(nèi)，并且要使傳感器處于整個(gè)測(cè)量裝置的比較高點(diǎn)。垂直管道基本安裝方式對(duì)于垂直管道，理論上可以在360度內(nèi)安裝。對(duì)于含有大量水分的濕氣體，推薦傳感器安裝時(shí)向上傾斜5度，對(duì)于含有大量氣體的液體，推薦傳感器安裝時(shí)向下傾斜5度，如右圖所示。對(duì)于蒸汽，推薦傳感器安裝時(shí)下傾斜5度，如右圖，且傳感器應(yīng)該處于整個(gè)測(cè)量系統(tǒng)中的比較高點(diǎn)。威力巴安裝所需直管段小直管段要求—彎管后2D安裝如圖所示。當(dāng)管道上、下游的直管段不夠長(zhǎng)時(shí)，我們推薦在彎管后2倍管道內(nèi)徑處安裝威力巴，因在彎管后的流體剖面較復(fù)雜，需將流體系數(shù)K做適當(dāng)?shù)恼{(diào)整。調(diào)整K系數(shù)后，測(cè)量精度為±3%。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)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通插入式巴類流量計(jì)批發(fā)價(jià)格,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289204346373/8482943.png"></div><p> 孔板流量計(jì)丈量?jī)?yōu)點(diǎn)1、規(guī)范節(jié)流件是全用的，并得到了國(guó)際規(guī)范組織的認(rèn)可，無需實(shí)流校準(zhǔn)，即可投用，在流量傳感器中也是獨(dú)一的;2、構(gòu)造易于復(fù)制，簡(jiǎn)單、結(jié)實(shí)、性能穩(wěn)定牢靠、價(jià)錢低廉;3、應(yīng)用范圍廣，包括全部單相流體(液、氣、蒸汽)、局部混相流，普通消費(fèi)過程的管徑、工作狀態(tài)(溫度、壓力)皆能夠丈量;4、檢測(cè)件和差壓顯現(xiàn)儀表可分開不同廠家消費(fèi)，便與專業(yè)化范圍消費(fèi)。孔板流量計(jì)丈量缺陷1、丈量的反復(fù)性、準(zhǔn)確度在流量傳感器中屬于中等程度，由于眾多要素的影響撲朔迷離，準(zhǔn)確度難于進(jìn)步;2、范圍度窄，由于流量系數(shù)與雷諾數(shù)有關(guān),普通范圍度*3∶1～4∶1;3、有較長(zhǎng)的直管段長(zhǎng)度請(qǐng)求，普通難于滿足。特別對(duì)較大管徑，問題愈加突出;4、壓力損失大;5、孔板以內(nèi)孔銳角線來保證精度，因而傳感器對(duì)腐蝕、磨損、結(jié)垢、臟污敏感，長(zhǎng)期運(yùn)用精度難以保證，需每年拆下強(qiáng)檢一次;6、采用法蘭銜接，易產(chǎn)生跑、冒、滴、漏問題，增加了維護(hù)工作量。 </p> <p> <br /> </p> <p> <br /> 電磁流量計(jì)的應(yīng)用有一定局限性，它只能測(cè)量導(dǎo)電介質(zhì)的液體流量，不能測(cè)量非導(dǎo)電介質(zhì)的流量；無錫熱式氣體質(zhì)量流量計(jì)哪家好</p><p style="text-indent:25px">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。南通插入式巴類流量計(jì)批發(fā)價(jià)格</p><p style="text-indent:25px">渦街流量計(jì)與孔板流量計(jì)的技術(shù)對(duì)比①、渦街流量計(jì)的結(jié)構(gòu)相對(duì)簡(jiǎn)單主要由漩渦發(fā)生體、檢測(cè)元件、信號(hào)放大器三個(gè)元部件組成，而目前我們對(duì)渦街的漩渦發(fā)生體的研究已經(jīng)相當(dāng)成熟了，漩渦體以三角柱為優(yōu)等形態(tài)，同時(shí)渦街流量計(jì)也具有安裝簡(jiǎn)便，精度高，長(zhǎng)時(shí)間運(yùn)行穩(wěn)定等特點(diǎn)；②、現(xiàn)階段的孔板流量計(jì)技術(shù)水平還停留在以確定經(jīng)驗(yàn)公式為基礎(chǔ)，1980年國(guó)際標(biāo)準(zhǔn)化組織將R541與R781兩個(gè)標(biāo)準(zhǔn)合并成標(biāo)準(zhǔn)ISO5167（1980）；③、孔板流量計(jì)的結(jié)構(gòu)也較為簡(jiǎn)單、造價(jià)低、可靠等特點(diǎn)，孔板流量計(jì)幾乎可以測(cè)量所有介質(zhì)，并且配套差壓變速器使用，足以彌補(bǔ)其自身的不足之處；南通插入式巴類流量計(jì)批發(fā)價(jià)格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3139750.html</p></div></div></div></div></div><div id="oe2sgm2" class="page-right twoColRt"><div id="kcsqmag" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="esy0m2o" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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