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clearfix"><h1>無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā) 誠信服務(wù) 江蘇中徽測(cè)控儀表供應(yīng)</h1><div id="hjetso9" class="proBig"><div id="7rff7a9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wqt2vu2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9ilojts" 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>無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā),流量計(jì)</p><p><span>***更新：</span>2020-08-28 14:18:01</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="zqeh4ru" 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="kiadgjq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mhg4xe9" class="box"><p><p> 渦街流量計(jì)(USF)特點(diǎn) </p> <p> （1）抗振性能差。外來振動(dòng)會(huì)使渦街流量計(jì)產(chǎn)生測(cè)量誤差，甚至不能正常工作。通道流體高流速?zèng)_擊會(huì)使渦街發(fā)生體的懸臂產(chǎn)生附加振動(dòng)，使測(cè)量精度降低。大管徑影響更為明顯。 </p> <p> （2）對(duì)測(cè)量臟污介質(zhì)適應(yīng)性差。渦街流量計(jì)的發(fā)生體極易被介質(zhì)臟污或被污物纏繞，改變幾何體尺寸，對(duì)測(cè)量精度造成極大影響。 </p> <p> <span style="font-size:12px;">（3）直管段要求高。**指出，渦街流量計(jì)直管段一定要保證前 40D 后 **，才能滿足測(cè)量要求，無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā)，無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā)。</span> </p> <p> <span style="font-size:12px;">（4）耐溫性能差，無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā)。渦街流量計(jì)一般只能測(cè)量 300℃以下介質(zhì)的流體流量。</span> 質(zhì)量流量計(jì)的測(cè)量管無論是向上還是向下安裝，都要盡量使測(cè)量管與地平面保持垂直或水平。無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png"></div><p style="text-indent:25px">熱電偶安裝時(shí)應(yīng)放置在盡可能靠近所要測(cè)的溫度控制點(diǎn)。為防止熱量沿?zé)犭娕紓髯呋蚍乐贡Ｗo(hù)管影響被測(cè)溫度，熱電偶應(yīng)浸入所測(cè)流體之中，深度至少為直徑的10倍。當(dāng)測(cè)量固體溫度時(shí)，熱電偶應(yīng)當(dāng)頂著該材料或與該材料緊密接觸。為了使導(dǎo)熱誤差減至小，應(yīng)減小接點(diǎn)附近的溫度梯度。當(dāng)用熱電偶測(cè)量管道中的氣體溫度時(shí)，如果管壁溫度明顯地較高或較低，則熱電偶將對(duì)之輻射或吸收熱量，從而顯著改變被測(cè)溫度。這時(shí)，可以用一輻射屏蔽罩來使其溫度接近氣體溫度，采用所謂的屏罩式熱電偶。選擇測(cè)溫點(diǎn)時(shí)應(yīng)具有性，例如測(cè)量管道中流體溫度時(shí)，熱電偶的測(cè)量端應(yīng)處于管道中流速比較大處。一般來說，熱電偶的保護(hù)套管末端應(yīng)越過流速中心線。江西熱式氣體質(zhì)量流量計(jì)銷售價(jià)格孔板流量計(jì)標(biāo)準(zhǔn)型節(jié)流裝置無須實(shí)流校準(zhǔn)，即可投用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png"></div><p> 智能電磁流量計(jì)因?yàn)榻Y(jié)構(gòu)簡(jiǎn)單，流量計(jì)外殼、被測(cè)流體和管道連接法蘭三者之間應(yīng)做等電位連接，并應(yīng)接地；沒有可以動(dòng)彈的部件，并且也沒有任何可以組織流體進(jìn)入到儀器的結(jié)構(gòu)，所以在進(jìn)行測(cè)量時(shí)，沒有太多的能量損失，對(duì)于測(cè)試結(jié)果誤差較小。在垂直的管道上安裝時(shí)，被測(cè)流體的流向應(yīng)自下而上，在水平的管道上安裝時(shí)，兩個(gè)測(cè)量電極不應(yīng)在管道的正上方和正下方位置；此外因?yàn)檫@種獨(dú)特的設(shè)計(jì)結(jié)構(gòu)，儀器在使用一段時(shí)間后不會(huì)發(fā)生堵塞等故障。<span style="display:none;"></span><span style="font-size:12px;">這種智能電磁流量計(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，因此智能電磁流量計(jì)只需經(jīng)過水準(zhǔn)標(biāo)定以后就可以對(duì)流體進(jìn)行測(cè)量。除此之外，這種儀器沒有機(jī)械的慣性，流量計(jì)上游直管段長(zhǎng)度和安裝支撐方式應(yīng)符合設(shè)計(jì)文件要求?？梢苑浅：玫膶?shí)現(xiàn)對(duì)流體的制動(dòng)，反應(yīng)非常靈敏，可以瞬時(shí)間測(cè)得大量流體的數(shù)據(jù)。</span> </p><p> 電磁流量計(jì) (EMF) </p> <p> 電磁流量計(jì)是根據(jù)法拉弟電磁感應(yīng)定律制成的一種測(cè)量導(dǎo)電性液體的儀表。 </p> <p> 電磁流量計(jì)有一系列優(yōu)良特性,可以解決其它流量計(jì)不易應(yīng)用的問題,如臟污流、腐蝕流的測(cè)量。 </p> <p> 70、80 年代電磁流量在技術(shù)上有重大突破,使它成為應(yīng)用的一類流量計(jì),在流量?jī)x表中其使用量百分?jǐn)?shù)不斷上升。 </p> <p> 優(yōu)點(diǎn): </p> <p> (1)測(cè)量通道是段光滑直管,不會(huì)阻塞,適用于測(cè)量含固體顆粒的液固二相流體,如紙漿、泥漿、污水等; </p> <p> (2)不產(chǎn)生流量檢測(cè)所造成的壓力損失,節(jié)能效果好; </p> <p> (3)所測(cè)得體積流量實(shí)際上不受流體密度、粘度、溫度、壓力和電導(dǎo)率變化的明顯影響; </p> <p> <span style="font-size:12px;">(4)流量范圍大,口徑范圍寬;</span> </p> <p> (5)可應(yīng)用腐蝕性流體。孔板在安裝前應(yīng)檢查節(jié)流裝置編號(hào)和尺寸是否符合管道安裝位置的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837414560547/9988671.png"></div><p> 流量計(jì)指示被測(cè)流量和(或)在選定的時(shí)間間隔內(nèi)流體總量的儀表，也是測(cè)量液體、氣體流量必不可少的儀表，大家平時(shí)想必也都見過許多不同類型的流量計(jì)。正確的安裝方式對(duì)流量計(jì)來說十分重要。 </p> <p> 流量測(cè)量的發(fā)展可追溯到古代的水利工程和城市供水系統(tǒng)。古羅馬凱撒時(shí)代已采用孔板測(cè)量居民的飲用水水量。公元**00年左右古埃及用堰法測(cè)量尼羅河的流量。我國(guó)的都江堰水利工程應(yīng)用寶瓶口的水位觀測(cè)水量大小等等。17世紀(jì)托里拆利奠定差壓式流量計(jì)的理論基礎(chǔ)，這是流量測(cè)量的里程碑。自那以后，18、19世紀(jì)流量測(cè)量的許多類型儀表的雛形開始形成，如堰、示蹤法、皮托管、文丘里管、容積、渦輪及靶式流量計(jì)等。測(cè)量液體流量時(shí)引壓管水平段應(yīng)在同一水平面內(nèi)；徐州液體渦輪流量計(jì)銷售廠家</p><p style="text-indent:25px">孔板流量計(jì)的節(jié)流裝置結(jié)構(gòu)簡(jiǎn)單，且牢固、性能穩(wěn)定可靠，使用期限長(zhǎng)，價(jià)格較低；無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā)</p><p> 絕大部分轉(zhuǎn)子流量計(jì)必須垂直安裝在無振動(dòng)的管道上，不應(yīng)有明顯的傾斜，流體自下而上流過儀表。轉(zhuǎn)子流量計(jì)中心線與鉛垂線間夾角一般不超過5度，高精度()儀表θ≤20°。如果θ=12°則會(huì)產(chǎn)生1%附加誤差。儀表無嚴(yán)格上游直管段長(zhǎng)度要求，但也有制造廠要求(2-5)D長(zhǎng)度的，實(shí)際上必要性不大。2、用于污臟流體的安裝應(yīng)在儀表上游裝過濾器。帶有磁性耦合的金屬管轉(zhuǎn)子流量計(jì)用于可能含磁鐵性雜質(zhì)流體時(shí)，應(yīng)在儀表前裝磁過濾器。要保持浮子和錐管的清潔，特別是小口徑儀表，浮子潔凈程度明顯影響測(cè)量值。3、轉(zhuǎn)子流量計(jì)擴(kuò)大范圍度的安裝如果測(cè)量要求的流量范圍度寬，范圍度超過10時(shí)，可以在一臺(tái)儀表內(nèi)放兩只不同形狀和重量的浮子，小流量時(shí)取輕浮子讀數(shù)，浮子到頂部后取重浮子讀數(shù)，范圍度可擴(kuò)大到50-100。無錫長(zhǎng)頸噴嘴流量計(jì)廠家批發(fā)</p><p style="text-indent:25px">江蘇中徽測(cè)控儀表有限公司是一家主營(yíng)產(chǎn)品：智能電磁流量計(jì)、插入式渦街流量計(jì)、智能超聲波流量計(jì)、威力巴流量計(jì)、平衡流量計(jì)、德爾塔巴流量計(jì)、超聲波流量計(jì)、雷達(dá)物位計(jì)、超聲波液位計(jì)、磁翻板液位計(jì)、電磁流量計(jì)、渦街流量計(jì)、旋進(jìn)漩渦流量計(jì)、渦輪流量計(jì)、壓力差壓變送器、校驗(yàn)設(shè)備等。的公司，是一家擁有51~100人***員工的企業(yè)。公司業(yè)務(wù)涵蓋雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)等，價(jià)格合理，品質(zhì)有保證。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，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。江蘇中徽測(cè)控儀表憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1071814.html</p></div></div></div></div></div><div id="rtknbad" class="page-right twoColRt"><div id="fs2cqi2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="raw7cxa" 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" 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