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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="a7puqct" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349011669922/7256332.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="swxaabs" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>南充渦街流量計價格,渦街流量計</p><p><span>***更新：</span>2021-01-11 04:04:41</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="2ycfgxt" 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: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="pyo9jkr" class="page-proshow02"><p class="title">詳細說明</p><div id="l2u3m7v" class="box"><p><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)配置一定長度的直管段，南充渦街流量計價格，其長度應(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)充滿被測液體。 </p> <p> 傳感器應(yīng)避免安裝在有強烈機械振動的管道上。 </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，南充渦街流量計價格，誤差要≤3%，南充渦街流量計價格，并不超過5mm。 </p> <p> 傳感器應(yīng)避免安裝在有較強電磁場干擾、空間小和維修不方便的場合。南充渦街流量計價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充渦街流量計價格,渦街流量計" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349011669922/7256332.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> 滿管式測量液體精度為1% </p> <p> 測量蒸汽和氣體精度為1.5% </p> <p> 插入式測量液體精度為2% </p> <p> 測量蒸汽和氣體精度為2.5% </p> <p> 被測介質(zhì)溫度為-20~150℃、-40~250℃、+100~350℃（*管式） </p> <p> 輸出信號為三線制電壓脈沖，三線制4-20mA、二線制4-20mA。 </p> <p> <br /> </p> <p> 功能 </p> <p> 表體中同時集成溫壓補償補償功能，可測量流體的標準體積流量或標準質(zhì)量流量。 </p> <p> 全智能化、數(shù)字化電路設(shè)計，可自動補償被測流體密度或標況體積計算。 </p> <p> 全新的數(shù)字濾波和修正功能使流量測量更加精細可靠。 </p> <p> 電池供電型無需外接電源既可連續(xù)工作兩年以上。 </p> <p> 全新點陣漢字液晶顯示，使用操作更方便。 </p> <p> <br /> </p> <p> <br /> 南充渦街流量計價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充渦街流量計價格,渦街流量計" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349132265625/2309518.jpg"></div><p> 渦街流量計也稱之為旋渦流量計或卡門渦街流量計 </p> <p> 綜合吸收發(fā)達國家先進技術(shù)和總結(jié)多年研究生產(chǎn)經(jīng)驗的基礎(chǔ)上進行精心設(shè)計的產(chǎn)品，實現(xiàn)了產(chǎn)品智能化、標準化、系列化、通用化、生產(chǎn)模具化、確保產(chǎn)品質(zhì)量的美觀性。該產(chǎn)品具有電路先進、功耗微低、量程比寬、結(jié)構(gòu)簡單、阻力損失小、堅固耐用、用途廣、使用壽命長、工作穩(wěn)定、便于安裝調(diào)試等特點。 </p> <p> <p> 原理 </p> <p> 在流體中設(shè)置三角柱型旋渦發(fā)生體，則從旋渦發(fā)生體兩側(cè)交替地產(chǎn)生有規(guī)則的旋渦，這種旋渦稱為卡門旋渦，旋渦列在旋渦發(fā)生體下游非對稱地排列。 </p> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><p> 注意事項 </p> <p> 1、**法蘭與直管段焊接時不能帶著傳感器焊接。 </p> <p> 2、安裝時應(yīng)使傳感器的流向標志與管道內(nèi)流體流向一致。 </p> <p> 3、傳感器安裝前，法蘭凹槽內(nèi)必須放好密封圈。壓力和溫度測量點的位置，取壓點在傳感器下游3～5DN處，測溫點在下游5～8DN處。 </p> <p> 4、測量高溫介質(zhì)時，切勿用隔熱材料把傳感器連接桿周圍包起來。 </p> <p> 5、連接傳感器的屏蔽電纜走向，應(yīng)盡可能遠離強電磁場的干擾場合。***不允許與高壓電纜一起敷設(shè)，屏蔽電纜要盡量縮短，并且不得盤卷，以減少分布電感，比較大長度不應(yīng)超過200米。 </p> <p> 6、安裝傳感器前，管道必須進行清洗。沖掉管內(nèi)的雜質(zhì)，避免通流后堵塞傳感器。測量液體的管道必須充滿被測液體，防止氣泡的干擾。 </p> <p> 測量氣體的管道為防止儲積液的干擾。安裝位置如圖五所示。高溫高壓下更換探頭體時，必須安全操作，做好高溫防護。降溫降壓后在安全條件下方可更換探頭。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充渦街流量計價格,渦街流量計" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349081816406/9531621.jpg"></div><p> 技術(shù)指標 </p> <p> 測量介質(zhì)：氣體、液體、蒸汽 </p> <p> 連接方式：法蘭卡裝式、法蘭式、插入式 </p> <p> 口徑規(guī)格法蘭卡裝式口徑選擇 25,32,50,80,100 </p> <p> 法蘭連接式口徑選擇 100,150,200 </p> <p> 流量測量范圍正常測量流速范圍雷諾數(shù)1.5×104～4×106；氣體5～50m/s；液體0.5～7m/s。 </p> <p> 正常測量流量范圍液體、氣體流量測量范圍見表2；蒸汽流量范圍見表3。 </p> <p> 測量精度 1.0級 1.5級 </p> <p> 被測介質(zhì)溫度：常溫–25℃～100℃，高溫–25℃～150℃ -25℃～250℃ </p> <p> 輸出信號脈沖電壓輸出信號高電平8～10V 低電平0.7～1.3V </p> <p> 脈沖占空比約50%，傳輸距離為100m </p> <p> 脈沖電流遠傳信號 4～20 mA，傳輸距離為1000m </p> <p> 儀表使用環(huán)境溫度：-25℃～+55℃ 濕度：5～90% RH50℃ </p> <p> 材質(zhì) 不銹鋼，鋁合金 </p> <p> 電源 DC24V或鋰電池3.6V </p> <p> 防爆等級本安型iaIIbT3-T6，防護等級 IP65。 </p> <p> <br /> 南充渦街流量計價格</p><p style="text-indent:25px">南充渦街流量計價格</p><p> 選型要點 </p> <p> 渦街流量計正確選型才能保證渦街流量計更好的使用。選用什么種類的渦街流量計應(yīng)根據(jù)被測流體介質(zhì)的物理性質(zhì)和化學性質(zhì)來決定?使渦街流量計的通徑、流量范圍、襯里材料、電極材料和輸出電流等都能適應(yīng)被測流體的性質(zhì)和流量測量的要求。 </p> <p> 1、精密功能檢查 </p> <p> 精度等級和功能根據(jù)測量要求和使用場合選擇儀表精度等級，做到經(jīng)濟合算。比如用于貿(mào)易結(jié)算、產(chǎn)品交接和能源計量的場合，應(yīng)該選擇精度等級高些，如1.0級、0.5級，或者更高等級; </p> <p> 用于過程控制的場合，根據(jù)控制要求選擇不 </p> <p> 同精度等級;有些**是檢測一下過程流量，無需做精確控制和計量的場合，可以選擇精度等級稍低的，如1.5級、2.5級，甚至 </p> <p> 4.0級，這時可以選用價格低廉的插入式渦街流量計。 </p> <p> 2、可測量的介質(zhì) </p> <p> 測量介質(zhì)流速、儀表量程與口徑 </p> <p> 測量一般的介質(zhì)時，渦街流量計的滿度流量可以在測量介質(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)視測量流量范圍是否在流速范圍內(nèi)確定，即當管道流速偏低，不能滿足流量儀表要求時或者在此流速下測量準 </p> <p> 確度不能保證時，需要縮小儀表口徑，從而提高管內(nèi)流速，得到滿意測量結(jié)果。南充渦街流量計價格</p><p style="text-indent:25px">成都皖川科技有限公司屬于儀器儀表的高新企業(yè)，技術(shù)力量雄厚。是一家有限責任公司（自然）企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進，追求新型，在強化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時，良好的質(zhì)量、合理的價格、完善的服務(wù)，在業(yè)界受到寬泛好評。公司業(yè)務(wù)涵蓋耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。成都皖川科技以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2793762.html</p></div></div></div></div></div><div id="gugk3xj" class="page-right twoColRt"><div id="3p3deam" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rkmlh77" class="recomPic likePro"><a 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