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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>嘉興加油站流量計(jì)口碑,流量計(jì)</p><p><span>***更新：</span>2021-01-28 07:12:36</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="p77vxuw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測(cè)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(huà): </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(hào)9甲幢4樓407室</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="sm73g34" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ysp2224" class="box"><p><p style="text-indent:25px">測(cè)量蒸汽流量產(chǎn)生得問(wèn)題及其解決：V型錐流量計(jì)在使用中，確實(shí)克服和解決了傳統(tǒng)差壓儀表諸多得缺點(diǎn)和不足，得到了廣較大用戶(hù)得好評(píng)。但是也出現(xiàn)了某些問(wèn)題，普遍得問(wèn)題是在測(cè)量蒸汽流量上。在間歇用汽得工況較管道停汽期間，有時(shí)儀表總有較大小不等得虛假流量顯示，檢查V型錐流量計(jì)也確實(shí)有差壓存在。即使安裝規(guī)范合理、零點(diǎn)調(diào)整正常，此問(wèn)題仍然存在。特別是測(cè)量濕飽和蒸汽時(shí)，這種問(wèn)題更是突出。只能通過(guò)增加小信號(hào)切除值來(lái)解決，嘉興加油站流量計(jì)口碑，但是常常導(dǎo)致正常流量被切掉。在V錐流量計(jì)針對(duì)V錐尾部取壓導(dǎo)致測(cè)量蒸汽虛假流量得問(wèn)題上，對(duì)其結(jié)構(gòu)進(jìn)行了改進(jìn)，嘉興加油站流量計(jì)口碑，將負(fù)壓端測(cè)量口改到管壁上，并將這種方式稱(chēng)為“管壁取壓”。普遍用于化工，嘉興加油站流量計(jì)口碑，制藥，石油，輕工業(yè)和科研部門(mén)。嘉興加油站流量計(jì)口碑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="嘉興加油站流量計(jì)口碑,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142465523533/8497638.png"></div><p style="text-indent:25px">電磁流量計(jì)和超聲波流量計(jì)的主要區(qū)別，介質(zhì)不同：超聲波流量計(jì)的流量測(cè)量準(zhǔn)確度幾乎不受被測(cè)流體溫度、壓力、粘度、密度等參數(shù)的影響，又可制成非接觸及便攜式測(cè)量?jī)x表，故可解決其它類(lèi)型儀表所難以測(cè)量的強(qiáng)腐蝕性、非導(dǎo)電性、放射性及易燃易爆介質(zhì)的流量測(cè)量問(wèn)題。電磁流量計(jì)不能測(cè)量導(dǎo)電率很低的液體，如石油制品和有機(jī)溶劑等。通用型電磁流量計(jì)由于襯里材料限制，不能測(cè)量溫度較高液體。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。按照計(jì)量要求，對(duì)于液態(tài)介質(zhì)，應(yīng)測(cè)量質(zhì)量流量，測(cè)量介質(zhì)流量應(yīng)涉及到流體的密度，不同流體介質(zhì)具有不同的密度，而且隨溫度變化。如果電磁流量計(jì)轉(zhuǎn)換器不考慮流體密度，*給出常溫狀態(tài)下的體積流量是不合適的。徐州液體流量計(jì)批發(fā)廠(chǎng)家如果環(huán)境不去改變計(jì)量永遠(yuǎn)會(huì)不準(zhǔn)確的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="嘉興加油站流量計(jì)口碑,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142302835889/3702973.png"></div><p style="text-indent:25px">塔型電磁流量計(jì)：1，塔型電磁流量計(jì)是把測(cè)量管和連接法蘭整體焊接在一起的一個(gè)產(chǎn)品，雖然D值的要求也很?chē)?yán)格，但是這個(gè)工作是由儀表制造廠(chǎng)家來(lái)做的。測(cè)量管是在制造廠(chǎng)進(jìn)行準(zhǔn)確測(cè)量或者進(jìn)行機(jī)械加工來(lái)達(dá)到所要求數(shù)值，根本不需要用戶(hù)再為管道的D值是否精確而為難，用戶(hù)只要把管道的壁厚系列提供給儀表廠(chǎng)以便選配同系列的測(cè)量管就可以。由于塔形電磁流量計(jì)可以把D值控制的非常精確，從而避免了孔板等差壓式儀表因D值不準(zhǔn)確而帶來(lái)的計(jì)算上的誤差。2，塔型電磁流量計(jì)性能：具有良好的準(zhǔn)確度（≤0.5%）和重復(fù)性（≤0.1%）。具有較寬的量程比（10：1～15：1）。對(duì)流動(dòng)體有整流動(dòng)功能，因此只需要極短的直管段（前1～3D后0～1D）。具有自清潔功能，可測(cè)臟污和易結(jié)垢流動(dòng)體。節(jié)流動(dòng)件關(guān)鍵（不含任何電子部件），因此耐高溫、高壓、耐腐蝕、不怕震動(dòng)等?？蓽y(cè)流動(dòng)體的種類(lèi)非常普遍（液、氣、蒸汽），流量范圍寬（從微小流量～到較大流量），適應(yīng)的管道（DN15～DN3000）。</p><p style="text-indent:25px">電磁流量計(jì)和超聲波流量計(jì)的主要區(qū)別：電磁流量計(jì)的安裝與調(diào)試比較嚴(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(shuō)明書(shū)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)流動(dòng)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)造成較較大的測(cè)量誤差。電磁流量計(jì)需要在有電導(dǎo)率的液體條件較安裝，而且一般電磁流量計(jì)的安裝必須截管安裝，但是電磁流量計(jì)的特點(diǎn)是在符合條件的現(xiàn)場(chǎng)條件較準(zhǔn)確度高。電磁流量計(jì)拆卸麻煩，必須要求工藝停車(chē)，拆卸送檢麻煩，如果是0.5%準(zhǔn)確度按國(guó)家計(jì)量檢定規(guī)程每半年需檢定一次。當(dāng)流體通過(guò)流量計(jì)時(shí)不會(huì)引起任何附加的壓力損失，是流量計(jì)中運(yùn)行能耗低的流量?jī)x表之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="嘉興加油站流量計(jì)口碑,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711026734705/3791399.png"></div><p style="text-indent:25px">渦街流量計(jì)是根據(jù)卡門(mén)(Karman)渦街原理研究生產(chǎn)的測(cè)量氣體、蒸汽或液體的體積流量、標(biāo)況的體積流量或質(zhì)量流量的體積流量計(jì)。主要用于工業(yè)管道介質(zhì)流體的流量測(cè)量，如氣體、液體、蒸汽等多種介質(zhì)。渦街流量計(jì)的報(bào)價(jià)主要取決于功能技術(shù)參數(shù)。渦街流量計(jì)的產(chǎn)品特點(diǎn)：1、**度壓電晶體，一體成形，耐沖擊；2、兼容液體、氣體、導(dǎo)熱油以及蒸汽計(jì)量3、音速?lài)娮鞓?biāo)定，重復(fù)性高，測(cè)量精度高；4、可自由選配溫度補(bǔ)償、壓力溫度，滿(mǎn)足更多現(xiàn)場(chǎng)使用；5、電路板出廠(chǎng)前老化運(yùn)行，且整表逐臺(tái)標(biāo)定，更適合現(xiàn)場(chǎng)使用；6、傳感頭具有獨(dú)特的抗振動(dòng)和抗干擾的封裝工藝，現(xiàn)場(chǎng)抗干擾性更強(qiáng)。電磁流量計(jì)采用SMD器件和表面貼裝（SMT）技術(shù)，電路可靠性高。徐州液體流量計(jì)批發(fā)廠(chǎng)家</p><p style="text-indent:25px">夾裝型渦輪流量計(jì)。傳感器本身無(wú)法蘭，靠管道上法蘭夾持住傳感器的兩密封端面，安裝方便。嘉興加油站流量計(jì)口碑</p><p style="text-indent:25px">電磁流量計(jì)磁場(chǎng)邊緣效應(yīng)對(duì)測(cè)量有什么影響：若是沿流體流動(dòng)方向上的磁場(chǎng)始終是均勻的，在實(shí)際時(shí)，這就意味著沿著管軸方向的磁場(chǎng)是無(wú)限長(zhǎng)的，而實(shí)際上電磁流量計(jì)磁場(chǎng)是有限長(zhǎng)的，所以就要考慮到有限長(zhǎng)磁場(chǎng)所產(chǎn)生的邊緣效果對(duì)測(cè)量的影響。如果電磁流量計(jì)管壁是絕緣的，其電極附近磁場(chǎng)大多都是均勻的，兩端則是會(huì)逐漸的減弱，會(huì)形成不均勻的邊緣，后就會(huì)下降至零。這樣使其液體內(nèi)部電場(chǎng)也會(huì)不均勻，將是會(huì)產(chǎn)生有渦電流，因?yàn)闇u電路所產(chǎn)生的二次磁通反過(guò)來(lái)會(huì)改變磁場(chǎng)邊緣部分的工作磁通，會(huì)使磁場(chǎng)的均勻性遭受到破壞。嘉興加油站流量計(jì)口碑</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3046119.html</p></div></div></div></div></div><div id="z8gnpmo" class="page-right twoColRt"><div id="jyv3osz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8xpmel2" 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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