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src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142465523533/8497638.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8c23834" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142465523533/8497638.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w9hcx7l" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>金華高精度流量計哪家便宜,流量計</p><p><span>***更新：</span>2020-12-24 03:12:32</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="egxurip" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測控技術(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: </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: </span>021-61559357</p><p><span>地址: </span>滬閔路1871號9甲幢4樓407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="s9uryah" class="page-proshow02"><p class="title">詳細說明</p><div id="kryacta" class="box"><p><p style="text-indent:25px">電磁流量計按故障外界源頭分析來自3個方面：①管道系統(tǒng)和安裝等方面引起的；②環(huán)境方面引起的；③流體方面引起的。1、管道系統(tǒng)和安裝等方面：通常是電磁流量傳感器安裝位置不正確引起的故障，常見的例如將流量傳感器安裝在易積聚潴留氣體的管網(wǎng)高點；流量傳感器后無背壓，液體逕直排人大氣，形成其測量管內非滿管；裝在自上向的垂直管道上，可能出現(xiàn)排空等。2、環(huán)境方面：主要是管道雜散電流干擾，空間電磁波干擾，大電機磁場干擾等。管道雜散電流干擾通常采取良好單獨接地保護可獲得滿意測量，但如遇管道有強雜散電流亦不一定能克服，須采取流量傳感器與管道緣絕的措施。流量計又分為有差壓式流量計、轉子流量計，金華高精度流量計哪家便宜、節(jié)流式流量計，金華高精度流量計哪家便宜、細縫流量計，金華高精度流量計哪家便宜、容積流量計、電磁流量計等。金華高精度流量計哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華高精度流量計哪家便宜,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142465523533/8497638.png"></div><p style="text-indent:25px">電磁流量計磁場邊緣效應對測量有什么影響：若電磁流量計流動是氣泡流或是塞狀流，故障是除了測量值與實際值不符合之外，還會因為氣相瞬間遮蓋了電極表面而出現(xiàn)的輸出晃動。若是水平管道分層流中的流通面積氣相部分增大，就是液體未滿管程度增大，也是會出現(xiàn)有輸出晃動。電磁流量計液體未滿管到液體表面在電極以下，是會出現(xiàn)輸出超滿渡的現(xiàn)象，流量計在使用過程中，會遇到流量轉換器顯示流量不穩(wěn)定，會有波動情況。尤其是在電磁流量計管道存有散電流干擾時，只要有良好的接地保護，就能使電磁流量計準確的測量，在不接地的情況下并不會影響到流量計準確測量，但是一旦環(huán)境有所改變，就會造成流量計不能準確穩(wěn)定的工作。所以在安裝時好是做好電磁流量計傳感器接地的保護，可以給電磁流量計創(chuàng)造出一個良好的工作環(huán)境。流量計在使用過程中，會遇到有轉換器顯示流量不穩(wěn)定，有波動的現(xiàn)象，在其管道存散電流干擾時，只要能良好的接地保護，就能使電磁流量計測量的準確性。金華高精度流量計哪家便宜精確度等級：玻璃轉子流量計的一種分級。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華高精度流量計哪家便宜,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142352865915/7487119.png"></div><p style="text-indent:25px">渦輪流量計按流動動方向分類：1.單向型渦輪流量計。只允許流動體從一個方向流動入傳感器，在有回流動可能的場合要裝止回閥。2.雙向型渦輪流量計。允許流動體從正反兩個方向流動入傳感器，有兩個信號檢測器，流量顯示儀表能鑒別信號的相位。累積量用“加”或“減”來處理“正”或“反”兩個方向來流動的總量。例如潛水艇用的渦輪流量計。按傳感器與管道連接方式分類：1.法蘭連接型渦輪流量計。傳感器以法蘭形式與管道連接。定型產(chǎn)品法蘭按國家標準。壓力限于6.3Mpa以較。2.螺紋連接型渦輪流量計。傳感器以螺紋方式與管道連接。螺紋有密封型管螺紋和非密封型管螺紋兩種，可承受高壓，但不適用于較較大口徑。3.夾裝型渦輪流量計。傳感器本身無法蘭，靠管道上法蘭夾持住傳感器的兩密封端面，安裝方便，便不適用于較高壓力和較較大口徑。</p><p style="text-indent:25px">智能一體化渦輪流量計產(chǎn)品特點：1、高精確度，一般可達±1%R、±0.5%R，高精度型可達±0.2%R；2、重復性好，短期重復性可達0.05%~0.2%,正是由于具有良好的重復性，如經(jīng)常校準或在線校準可得到極高的精確度，在貿易結算中是優(yōu)先選用的流量計；3、具備儀表系數(shù)三點修正，智能補償儀表系數(shù)非線性，并可進行現(xiàn)場修正；4、范圍度寬，中大口徑可達1:20，小口徑為1:10；5、結構緊湊輕巧，安裝維護方便，流通能力大；6、適用高壓測量，儀表表體上不必開孔，易制成高壓型儀表；7、**型傳感器類型多，可根據(jù)用戶特殊需要設計為各類**型傳感器，例如低溫型、雙向型、井下型、混砂**型等。8、可制成插入型，適用于大口徑測量，壓力損失小，價格低，可不斷流取出，安裝維護方便。流量計橡膠襯里普遍用于測量水、工業(yè)水、廢水、污水、礦漿、泥漿、纖維漿等介質。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華高精度流量計哪家便宜,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142412661529/1294224.png"></div><p style="text-indent:25px">電磁流量計的特點：1、電磁流量計是一種體積流量測量儀表，在測量過程中，它不受被測介質的溫度、粘度、密度以電導率（在一定范圍）的影響。因此，電磁流量計只需經(jīng)水標定后，就可心用來測量其它導電性液體的流量。2、電磁流量計的輸出只與被測介質的平均流動速成正比，而與對稱分布較的流動動狀態(tài)（層流動或湍流動）無關。所以電磁流量計的量程范圍極寬，其測量范圍度可達100：1，有的甚至達1000：1的可運行流量范圍。3、電磁流量計無機械慣性，反應靈敏，可以測量瞬時脈動流量，也可測量正反兩個方向的流量。4、工業(yè)用電磁流量計的口徑范圍極寬，從幾個毫米一直到幾米，而且國內已有口徑達3m的實流動校驗設備，為電磁流量計的應用和發(fā)展奠定了基礎。渦街流量計的報價主要取決于功能技術參數(shù)。金華高精度流量計哪家便宜</p><p style="text-indent:25px">流量計橡膠襯里具有較好的彈性和耐磨性，耐沖擊。金華高精度流量計哪家便宜</p><p style="text-indent:25px">差壓式流量計由節(jié)流裝置（或動壓測定裝置）、差壓訊號管路和差壓計3部分組成。基本原理是充滿管道的流體流經(jīng)管道內的節(jié)流裝置，流束將在節(jié)流件處形成局部收縮，從而使流速增加，靜壓力降低，于是在節(jié)流件前后產(chǎn)生靜壓力差。流體的流速愈大，在節(jié)流件前后產(chǎn)生的差壓愈大，所以可通過測量差壓衡量流體流過節(jié)流裝置時的流量大小，這種測量方法以能量守恒定律和流動連續(xù)性方程為基礎。差壓式流量計歷史悠久，經(jīng)長期實踐積累了可靠的試驗數(shù)據(jù)和運行經(jīng)驗，技術資料豐富，成為工業(yè)上使用蕞為普遍的管流流量計。節(jié)流裝置按其標準化程度分為標準型和非標準型兩大類。標準差壓裝置是指按照標準設計、制造、安裝和使用，無需經(jīng)實流校準即可確定其流量值并計算其測量不確定度的差壓流量計。非標準節(jié)流裝置由于成熟程度較差，尚未列入標準文件的各類差壓流量計。金華高精度流量計哪家便宜</p><p style="text-indent:25px">南儀測控技術(上海)有限公司致力于五金、工具，是一家生產(chǎn)型的公司。公司業(yè)務涵蓋壓力變送器，溫度傳感器，液位計，流量計等，價格合理，品質有保證。公司從事五金、工具多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務。南儀測控技術立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2535856.html</p></div></div></div></div></div><div id="c42fmjl" class="page-right twoColRt"><div id="zbx24yk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8xzli7q" class="recomPic 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