德陽(yáng)渦街流量計(jì)哪家好和諧共贏成都皖川科技供應(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="特點(diǎn)1，德陽(yáng)渦街流量計(jì)哪家好、結(jié)構(gòu)簡(jiǎn)單而牢固，無(wú)可動(dòng)部件，可靠性高，長(zhǎng)期運(yùn)行十分可靠。2、安裝簡(jiǎn)單，維護(hù)十分方便。3、檢測(cè)傳感器不直接接觸被測(cè)介質(zhì)，性能穩(wěn)定，壽命長(zhǎng)。4、輸出是與流量成正比的脈沖信號(hào)，無(wú)零點(diǎn)漂移，精度高。5、測(cè)量范圍寬，量程"><meta name="keywords" content="德陽(yáng)渦街流量計(jì)哪家好,渦街流量計(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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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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>德陽(yáng)渦街流量計(jì)哪家好,渦街流量計(jì)</p><p><span>***更新：</span>2021-01-22 02:03:30</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="06zlq0n" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138室</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="tm0lfn0" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="5qd86ki" class="box"><p><p> 特點(diǎn) </p> <p> 1，德陽(yáng)渦街流量計(jì)哪家好、結(jié)構(gòu)簡(jiǎn)單而牢固，無(wú)可動(dòng)部件，可靠性高，長(zhǎng)期運(yùn)行十分可靠。 </p> <p> 2、安裝簡(jiǎn)單，維護(hù)十分方便。 </p> <p> 3、檢測(cè)傳感器不直接接觸被測(cè)介質(zhì)，性能穩(wěn)定，壽命長(zhǎng)。 </p> <p> 4、輸出是與流量成正比的脈沖信號(hào)，無(wú)零點(diǎn)漂移，精度高。 </p> <p> 5、測(cè)量范圍寬，量程比可達(dá)1：10。壓力損失較小，運(yùn)行費(fèi)用低，更具節(jié)能意義。 </p> <p> 6、在一定的雷諾數(shù)范圍內(nèi),輸出信號(hào)頻率不受流體物理性質(zhì)和組份變化的影響，德陽(yáng)渦街流量計(jì)哪家好，儀表系數(shù)*與旋渦發(fā)生體的形狀和尺寸有關(guān)，德陽(yáng)渦街流量計(jì)哪家好，測(cè)量流體體積流量時(shí)無(wú)需補(bǔ)償，調(diào)換配件后一般無(wú)需重新標(biāo)定儀表系數(shù)。應(yīng)用范圍廣，蒸汽、氣體、液體的流量均可測(cè)量。德陽(yáng)渦街流量計(jì)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽(yáng)渦街流量計(jì)哪家好,渦街流量計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349011669922/7256332.jpg"></div><p> 安裝條件 </p> <p> 傳感器應(yīng)安裝在水平、垂直、傾斜(液體流向自下而上)的與其通徑相同的管道上。傳感器的上游和下2游應(yīng)配置一定長(zhǎng)度的直管段，其長(zhǎng)度應(yīng)符合前直管段15～**，后直管段5～1OD的要求。 </p> <p> 安裝液體傳感器的附近管道內(nèi)應(yīng)充滿被測(cè)液體。 </p> <p> 傳感器應(yīng)避免安裝在有強(qiáng)烈機(jī)械振動(dòng)的管道上。 </p> <p> 直管段的內(nèi)徑盡可能與傳感器通徑一致，若不能一致，應(yīng)采用比傳感器通徑略大的管道，誤差要≤3%，并不超過(guò)5mm。 </p> <p> 傳感器應(yīng)避免安裝在有較強(qiáng)電磁場(chǎng)干擾、空間小和維修不方便的場(chǎng)合。成都渦街流量計(jì)價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽(yáng)渦街流量計(jì)哪家好,渦街流量計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349132265625/2309518.jpg"></div><p> 檢定周期為二年。 </p> <p> 渦街流量傳感器應(yīng)用內(nèi)徑范圍為25-300mm（滿管式） </p> <p> 插入式渦街流量傳感器應(yīng)用內(nèi)徑范圍為350-1200mm(插入式)。 </p> <p> 滿管式測(cè)量液體精度為1% </p> <p> 測(cè)量蒸汽和氣體精度為1.5% </p> <p> 插入式測(cè)量液體精度為2% </p> <p> 測(cè)量蒸汽和氣體精度為2.5% </p> <p> 被測(cè)介質(zhì)溫度為-20~150℃、-40~250℃、+100~350℃（*管式） </p> <p> 輸出信號(hào)為三線制電壓脈沖，三線制4-20mA、二線制4-20mA。 </p> <p> <br /> </p> <p> 功能 </p> <p> 表體中同時(shí)集成溫壓補(bǔ)償補(bǔ)償功能，可測(cè)量流體的標(biāo)準(zhǔn)體積流量或標(biāo)準(zhǔn)質(zhì)量流量。 </p> <p> 全智能化、數(shù)字化電路設(shè)計(jì)，可自動(dòng)補(bǔ)償被測(cè)流體密度或標(biāo)況體積計(jì)算。 </p> <p> 全新的數(shù)字濾波和修正功能使流量測(cè)量更加精細(xì)可靠。 </p> <p> 電池供電型無(wú)需外接電源既可連續(xù)工作兩年以上。 </p> <p> 全新點(diǎn)陣漢字液晶顯示，使用操作更方便。 </p> <p> <br /> </p> <p> <br /> </p><p> 選型要點(diǎn) </p> <p> 渦街流量計(jì)正確選型才能保證渦街流量計(jì)更好的使用。選用什么種類(lèi)的渦街流量計(jì)應(yīng)根據(jù)被測(cè)流體介質(zhì)的物理性質(zhì)和化學(xué)性質(zhì)來(lái)決定?使渦街流量計(jì)的通徑、流量范圍、襯里材料、電極材料和輸出電流等都能適應(yīng)被測(cè)流體的性質(zhì)和流量測(cè)量的要求。 </p> <p> 1、精密功能檢查 </p> <p> 精度等級(jí)和功能根據(jù)測(cè)量要求和使用場(chǎng)合選擇儀表精度等級(jí)，做到經(jīng)濟(jì)合算。比如用于貿(mào)易結(jié)算、產(chǎn)品交接和能源計(jì)量的場(chǎng)合，應(yīng)該選擇精度等級(jí)高些，如1.0級(jí)、0.5級(jí)，或者更高等級(jí); </p> <p> 用于過(guò)程控制的場(chǎng)合，根據(jù)控制要求選擇不 </p> <p> 同精度等級(jí);有些**是檢測(cè)一下過(guò)程流量，無(wú)需做精確控制和計(jì)量的場(chǎng)合，可以選擇精度等級(jí)稍低的，如1.5級(jí)、2.5級(jí)，甚至 </p> <p> 4.0級(jí)，這時(shí)可以選用價(jià)格低廉的插入式渦街流量計(jì)。 </p> <p> 2、可測(cè)量的介質(zhì) </p> <p> 測(cè)量介質(zhì)流速、儀表量程與口徑 </p> <p> 測(cè)量一般的介質(zhì)時(shí)，渦街流量計(jì)的滿度流量可以在測(cè)量介質(zhì)流速0.5—12m/s范圍內(nèi) 選用，范圍比較寬。選擇儀表規(guī)格(口徑)不一 </p> <p> 定與工藝管道相同，應(yīng)視測(cè)量流量范圍是否在流速范圍內(nèi)確定，即當(dāng)管道流速偏低，不能滿足流量?jī)x表要求時(shí)或者在此流速下測(cè)量準(zhǔn) </p> <p> 確度不能保證時(shí)，需要縮小儀表口徑，從而提高管內(nèi)流速，得到滿意測(cè)量結(jié)果。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽(yáng)渦街流量計(jì)哪家好,渦街流量計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349449208984/8611731.jpg"></div><p> 原理 </p> <p> 渦街流量計(jì)是根據(jù)卡門(mén)渦街原理(Kármán Vortex Street)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)。并可作為流量變送器應(yīng)用于自動(dòng)化控制系統(tǒng)中。 </p> <p> 渦街流量計(jì)是應(yīng)用流體振蕩原理來(lái)測(cè)量流量的，流體在管道中經(jīng)過(guò)渦街流量變送器時(shí)，在三角柱的旋渦發(fā)生體后上下交替產(chǎn)生正比于流速的兩列旋渦，旋渦的釋放頻率與流過(guò)旋渦發(fā)生體的流體平均速度及旋渦發(fā)生體特征寬度有關(guān)，可用下式表示：式中：為旋渦的釋放頻率，單位為Hz；v為流過(guò)旋渦發(fā)生體的流體平均速度，單位為m/s；d為旋渦發(fā)生體特征寬度，單位為m；St為斯特勞哈爾數(shù)（Strouhal number），無(wú)量綱，它的數(shù)值范圍為0.14－0.27。 </p> <p> St是雷諾數(shù)的函數(shù)，當(dāng)雷諾數(shù)Re在范圍內(nèi)，St值約為0.2。在測(cè)量中，要盡量滿足流體的雷諾數(shù)在，此時(shí)旋渦頻率由此，通過(guò)測(cè)量旋渦頻率就可以計(jì)算出流過(guò)旋渦發(fā)生體的流體平均速度v，再由式可以求出流量q，其中A為流體流過(guò)旋渦發(fā)生體的截面積德陽(yáng)渦街流量計(jì)哪家好</p><p style="text-indent:25px">德陽(yáng)渦街流量計(jì)哪家好</p><p style="text-indent:25px">儀器儀表是用以檢出、測(cè)量、觀察、計(jì)算各種物理量、物質(zhì)成分、物性參數(shù)等的器具或設(shè)備。真空檢漏儀、壓力表、測(cè)長(zhǎng)儀、顯微鏡、乘法器等均屬于儀器儀表。近年來(lái)，得益于機(jī)械、冶金、石化行業(yè)等儀器儀表服務(wù)領(lǐng)域經(jīng)營(yíng)狀況的好轉(zhuǎn)，我國(guó)儀器儀表制造業(yè)發(fā)展一路向好。中國(guó)的新型工業(yè)化進(jìn)程，信息化和工業(yè)化融合的進(jìn)一步加深，帶動(dòng)各個(gè)工業(yè)領(lǐng)域?qū)τ谀湍犭娕?，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)等產(chǎn)品的需求。研發(fā)、銷(xiāo)售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷(xiāo)售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門(mén)、水泵、電線電纜、通訊器材(不含無(wú)線廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類(lèi))、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。產(chǎn)品普遍運(yùn)用于工業(yè)、農(nóng)業(yè)、交通、科技、環(huán)保、**、文教衛(wèi)生、大家生活等各個(gè)領(lǐng)域，在旺盛市場(chǎng)需求的帶動(dòng)下和我國(guó)宏觀調(diào)控政策的引導(dǎo)下，我國(guó)儀器儀表行業(yè)的發(fā)展有了長(zhǎng)足的進(jìn)步空間。盡管在我國(guó)相關(guān)政策的引導(dǎo)和支持下，我國(guó)儀器儀表行業(yè)得到了飛速發(fā)展。但是從銷(xiāo)售整體上看，我國(guó)的儀器儀表行業(yè)還是落后于國(guó)際水平的。重點(diǎn)技術(shù)缺乏、高精尖產(chǎn)品嚴(yán)重依賴(lài)進(jìn)口、儀器儀表產(chǎn)品同質(zhì)化嚴(yán)重、生產(chǎn)工藝落后、研發(fā)能力弱、精度不高等問(wèn)題的凸顯，為儀器儀表行業(yè)的發(fā)展帶來(lái)了嚴(yán)峻的挑戰(zhàn)。德陽(yáng)渦街流量計(jì)哪家好</p><p style="text-indent:25px">成都皖川科技有限公司是一家研發(fā)、銷(xiāo)售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷(xiāo)售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門(mén)、水泵、電線電纜、通訊器材(不含無(wú)線廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類(lèi))、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。成都皖川科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專(zhuān)業(yè)研發(fā)團(tuán)隊(duì)，以高度的專(zhuān)注和執(zhí)著為客戶(hù)提供耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)。成都皖川科技繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。成都皖川科技始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專(zhuān)注與執(zhí)著使成都皖川科技在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2950954.html</p></div></div></div></div></div><div id="phpnke0" class="page-right twoColRt"><div id="u83ywu8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g888ve8" 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