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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>攀枝花渦街流量計(jì)推薦,渦街流量計(jì)</p><p><span>***更新：</span>2021-01-21 10:04:16</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="ilc3lwx" 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="8cii8p2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="k3szqtr" class="box"><p><p> 特點(diǎn) </p> <p> 1、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，攀枝花渦街流量計(jì)推薦，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)，攀枝花渦街流量計(jì)推薦,輸出信號(hào)頻率不受流體物理性質(zhì)和組份變化的影響，攀枝花渦街流量計(jì)推薦，儀表系數(shù)*與旋渦發(fā)生體的形狀和尺寸有關(guān)，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。攀枝花渦街流量計(jì)推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="攀枝花渦街流量計(jì)推薦,渦街流量計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349011669922/7256332.jpg"></div><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。攀枝花渦街流量計(jì)推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="攀枝花渦街流量計(jì)推薦,渦街流量計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349132265625/2309518.jpg"></div><p> 渦街流量計(jì)也稱之為旋渦流量計(jì)或卡門渦街流量計(jì) </p> <p> 綜合吸收發(fā)達(dá)國(guó)家先進(jìn)技術(shù)和總結(jié)多年研究生產(chǎn)經(jīng)驗(yàn)的基礎(chǔ)上進(jìn)行精心設(shè)計(jì)的產(chǎn)品，實(shí)現(xiàn)了產(chǎn)品智能化、標(biāo)準(zhǔn)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(jìn)、功耗微低、量程比寬、結(jié)構(gòu)簡(jiǎn)單、阻力損失小、堅(jiān)固耐用、用途廣、使用壽命長(zhǎng)、工作穩(wěn)定、便于安裝調(diào)試等特點(diǎn)。 </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(duì)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> 常見(jiàn)故障 </p> <p> 渦街流量計(jì)常見(jiàn)故障：一臺(tái)DN50渦街流量計(jì)，從說(shuō)明書查到，其液體用流量范圍是3-50m3/h。我們?cè)谟土鳂?biāo)準(zhǔn)裝置上標(biāo)定的結(jié)果是10-50 m3/h符合精度要求，但10m3/h以下精度不合格，應(yīng)如何評(píng)價(jià)此臺(tái)流量計(jì)？ </p> <p> 渦街流量汁說(shuō)明書中，標(biāo)明的流量范圍是使用于特定參考介質(zhì)的流量范圍，如液體—般指常溫水。用于其他介質(zhì)時(shí)，可用流量范圍將隨介質(zhì)的粘度和密度不同而異。由于油流量標(biāo)準(zhǔn)裝置采用粘度比水大，密度比水小的柴油做標(biāo)定介質(zhì)，流量計(jì)的下限流量—般都會(huì)相應(yīng)提高，使可用流量范圍變窄。所以，渦街流量計(jì)在油流量標(biāo)定裝置上標(biāo)定出現(xiàn)小流量性能變差是正常的。由此我們不難推斷，如果用液化石油氣(這種低粘度介質(zhì))標(biāo)定渦街流量汁，將會(huì)得到比水好的相反結(jié)果。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="攀枝花渦街流量計(jì)推薦,渦街流量計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107349081816406/9531621.jpg"></div><p> 注意事項(xiàng) </p> <p> 1、**法蘭與直管段焊接時(shí)不能帶著傳感器焊接。 </p> <p> 2、安裝時(shí)應(yīng)使傳感器的流向標(biāo)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(cè)量點(diǎn)的位置，取壓點(diǎn)在傳感器下游3～5DN處，測(cè)溫點(diǎn)在下游5～8DN處。 </p> <p> 4、測(cè)量高溫介質(zhì)時(shí)，切勿用隔熱材料把傳感器連接桿周圍包起來(lái)。 </p> <p> 5、連接傳感器的屏蔽電纜走向，應(yīng)盡可能遠(yuǎn)離強(qiáng)電磁場(chǎng)的干擾場(chǎng)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(zhǎng)度不應(yīng)超過(guò)200米。 </p> <p> 6、安裝傳感器前，管道必須進(jìn)行清洗。沖掉管內(nèi)的雜質(zhì)，避免通流后堵塞傳感器。測(cè)量液體的管道必須充滿被測(cè)液體，防止氣泡的干擾。 </p> <p> 測(cè)量氣體的管道為防止儲(chǔ)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(shí)，必須安全操作，做好高溫防護(hù)。降溫降壓后在安全條件下方可更換探頭。攀枝花渦街流量計(jì)推薦</p><p style="text-indent:25px">攀枝花渦街流量計(jì)推薦</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(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。攀枝花渦街流量計(jì)推薦</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下耐磨熱電偶，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)深受客戶的喜愛(ài)。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。成都皖川科技立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2945890.html</p></div></div></div></div></div><div id="i8kqxye" class="page-right twoColRt"><div id="gjpg7sj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yx3qxy8" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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