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href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_llyb/">流量?jī)x表</a>?<a href="http://www.cdcfah.com/cp/third-llyb_liuliangji/">流量計(jì)</a>?溫州投入式流量計(jì)哪家好誠(chéng)信經(jīng)營(yíng) 南儀測(cè)控技術(shù)供應(yīng)</p><div id="bv28bda" class="leftbox clearfix"><h1>溫州投入式流量計(jì)哪家好誠(chéng)信經(jīng)營(yíng) 南儀測(cè)控技術(shù)供應(yīng)</h1><div id="en4uqd2" class="proBig"><div id="qztgikz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142383325195/522346.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oxhjlnu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142383325195/522346.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x28annf" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>溫州投入式流量計(jì)哪家好,流量計(jì)</p><p><span>***更新：</span>2020-12-19 13:18:50</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="edfcegy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測(cè)控技術(shù)(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(jī): </span>021-61559357</p><p><span>地址: </span>滬閔路1871號(hào)9甲幢4樓407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="dmjgsu8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ir2vsel" class="box"><p><p style="text-indent:25px">電磁流量計(jì)干擾源的分類有很多中，從電磁干擾屬性來分別的話，可以是功能型干擾源于非功能性干擾源。功能性干擾源是指電磁設(shè)備實(shí)現(xiàn)了功能過程當(dāng)中所造成對(duì)其它設(shè)備的直接干擾，非功能性干擾源是指在用電裝置實(shí)現(xiàn)自身功能的同時(shí)也會(huì)隨著產(chǎn)生或是附加產(chǎn)生的副作用，列如在開關(guān)閉合與切斷所產(chǎn)生的電弧放電的干擾。可以從電磁流量計(jì)干擾信號(hào)頻率寬度來分，就可分為寬帶干擾源于窄帶干擾遠(yuǎn)，它們是相對(duì)于指定感受器所帶寬較大或是小來加以區(qū)分。任何電磁流量計(jì)干擾的發(fā)生都是必然干擾能量傳輸與傳輸途徑或是傳輸通道，溫州投入式流量計(jì)哪家好，通常是認(rèn)為電磁流量計(jì)干擾傳輸是有兩種方式，一種是傳導(dǎo)傳輸方式，還有就是輻射傳輸?shù)姆绞健?*擾的敏感器來說，溫州投入式流量計(jì)哪家好，在干擾耦合是能分為傳導(dǎo)耦合與輻射耦合兩較大類，溫州投入式流量計(jì)哪家好。在電磁流量計(jì)傳導(dǎo)傳輸必須要在干擾源與敏感器之間是有完整的電路連接，干擾信號(hào)是沿著這個(gè)連接電路傳遞到敏感器當(dāng)中，就會(huì)發(fā)生干擾的信號(hào)。傳統(tǒng)電磁流量計(jì)用信號(hào)電纜的性能已無法滿足使用要求。溫州投入式流量計(jì)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州投入式流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142383325195/522346.png"></div><p style="text-indent:25px">電磁流量計(jì)適用于測(cè)量大部分電傳導(dǎo)液體，以及泥、漿糊和泥漿的流量。前提是被測(cè)介質(zhì)至少要有某個(gè)小電導(dǎo)率。溫度、壓力、粘度和密度對(duì)測(cè)量結(jié)果沒有影響。只要選擇適當(dāng)?shù)墓艿酪r里材料與電極材料，也可以用來測(cè)量腐蝕性介質(zhì)。介質(zhì)中的固體顆粒不會(huì)影響測(cè)量結(jié)果。流量傳感器與智能轉(zhuǎn)換器整體地或者分離地組成一個(gè)完整的流量計(jì)。電磁流量計(jì)主要應(yīng)用在以較領(lǐng)域：1、清水、污水。2、電力生產(chǎn)和分配。3、化工和工業(yè)制藥。4、食品工業(yè)。流量的測(cè)量是應(yīng)用電磁原理在水的密閉回路中完成的，與超聲波式相比，精度更高。重要屬性如較：1、無活動(dòng)部件，不存在磨損。2、流動(dòng)程的測(cè)量范圍是1：100。3、無澄清段或流量加強(qiáng)裝置。4、應(yīng)用于測(cè)量各種導(dǎo)電液體的流動(dòng)速。5、測(cè)量結(jié)果不受溫度、壓力、粘度和密度等物理特性影響。5、強(qiáng)耐腐蝕，耐磨損能力。6、可測(cè)量正向/反向流量。溫州投入式流量計(jì)哪家好傳統(tǒng)電磁流量計(jì)電纜內(nèi)部產(chǎn)生較大噪音，造成信號(hào)的分辨率和精度較低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州投入式流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400217061148192/8862408.png"></div><p style="text-indent:25px">造成電磁流量計(jì)誤差的主要影響因素，選型不當(dāng)：1、勵(lì)磁穩(wěn)定性：電磁流量計(jì)的勵(lì)磁方式有直流勵(lì)磁、交流正弦波勵(lì)磁和雙頻矩形波勵(lì)磁等，直流勵(lì)磁容易產(chǎn)生電極極化和直流干擾問題，交流正弦勵(lì)磁容易引起零點(diǎn)變動(dòng)，而雙頻矩形波勵(lì)磁既有低頻矩形波勵(lì)磁優(yōu)良的零點(diǎn)穩(wěn)定性，又有高頻矩形波勵(lì)磁對(duì)流體噪聲較強(qiáng)的克制能力，是一種較理想的勵(lì)磁方式。實(shí)際應(yīng)用時(shí)，應(yīng)盡量保證電源電壓和頻率的穩(wěn)定，以確保磁場(chǎng)強(qiáng)度恒定，減小由于磁場(chǎng)強(qiáng)度變化引起的測(cè)量誤差。2、待測(cè)液體流速：電磁流量計(jì)可測(cè)的流速范圍一般為0.5～10m/s，經(jīng)濟(jì)流速范圍為1.5～3m/s。實(shí)際使用時(shí)要根據(jù)待測(cè)流量大小及電磁流量計(jì)可測(cè)流速范圍來確定測(cè)量管內(nèi)徑。</p><p style="text-indent:25px">電磁流量計(jì)和超聲波流量計(jì)的主要區(qū)別：電磁流量計(jì)的安裝與調(diào)試比較嚴(yán)格。變送器和轉(zhuǎn)換器必須配套使用，兩者之間不能用兩種不同型號(hào)的儀表配用。在安裝變送器時(shí)，從安裝地點(diǎn)的選擇到具體的安裝調(diào)試，必須嚴(yán)格按照產(chǎn)品說明書要求進(jìn)行。安裝地點(diǎn)不能有振動(dòng)，不能有強(qiáng)磁場(chǎng)。在安裝時(shí)必須使變送器和管道有良好的接觸及良好的接地。變送器的電位與被測(cè)流動(dòng)體等電位。在使用時(shí)，必須排盡測(cè)量管中存留的氣體，否則會(huì)造成較較大的測(cè)量誤差。電磁流量計(jì)需要在有電導(dǎo)率的液體條件較安裝，而且一般電磁流量計(jì)的安裝必須截管安裝，但是電磁流量計(jì)的特點(diǎn)是在符合條件的現(xiàn)場(chǎng)條件較準(zhǔn)確度高。電磁流量計(jì)拆卸麻煩，必須要求工藝停車，拆卸送檢麻煩，如果是0.5%準(zhǔn)確度按國(guó)家計(jì)量檢定規(guī)程每半年需檢定一次。流量上限值：流量計(jì)能按規(guī)定精確度測(cè)量的大流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州投入式流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142412661529/1294224.png"></div><p style="text-indent:25px">電磁流量計(jì)故障外界源頭：流體方面，液體含有均勻分布細(xì)小氣泡通常不影響正常測(cè)量，唯所測(cè)得體積流量是液體和氣體兩者之和；氣泡增大會(huì)使輸出信號(hào)波動(dòng)，若氣泡大到流過電極遮蓋整個(gè)電極表面，使電極信號(hào)回路瞬時(shí)斷開，輸出信號(hào)將產(chǎn)生更**動(dòng)。低頻（50／16Hz-50／6Hz）矩形波激磁電磁流量計(jì)測(cè)量液體中含有固體超過一定含量時(shí)將產(chǎn)生漿液噪聲，輸出信號(hào)亦會(huì)有一定程度波動(dòng)。兩種或兩種以上液體作管道混合工藝時(shí)，若兩種液體電導(dǎo)率（或各自與電極間電位）有差異，在混合未均勻前即進(jìn)入流量傳感器進(jìn)行流量測(cè)量，輸出信號(hào)亦會(huì)產(chǎn)生波動(dòng)。電極材質(zhì)與被測(cè)介質(zhì)選配不善，產(chǎn)生鈍化或氧化等化學(xué)作用，電極表面形成絕緣膜，以及電化學(xué)和極化現(xiàn)象等，均會(huì)妨礙正常測(cè)量。功能性干擾源是指電磁設(shè)備實(shí)現(xiàn)了功能過程當(dāng)中所造成對(duì)其它設(shè)備的直接干擾。金華加油站流量計(jì)哪家口碑好</p><p style="text-indent:25px">電磁流量計(jì)只需經(jīng)水標(biāo)定后，就可心用來測(cè)量其它導(dǎo)電性液體的流量。溫州投入式流量計(jì)哪家好</p><p style="text-indent:25px">磁流量計(jì)在測(cè)量各類電解溶液以及水性液體介質(zhì)的普遍適應(yīng)性，是其他類型的流量計(jì)無法比擬的，其優(yōu)勢(shì)表現(xiàn)為無壓損、高精度，測(cè)量精度不受流動(dòng)體密度、粘度、溫度、壓力和電導(dǎo)率變化的影響，傳感器感應(yīng)電壓信號(hào)與平均流動(dòng)速呈線性關(guān)系，因此測(cè)量精度高。測(cè)量管道內(nèi)沒有阻流動(dòng)部件，因此不會(huì)產(chǎn)生附加的壓力損失；測(cè)量管道內(nèi)亦無可動(dòng)部件，傳感器由此壽命極長(zhǎng)。由于感應(yīng)電壓信號(hào)是在整個(gè)充滿磁場(chǎng)的空間中形成的，是管道載面上的平均值，因此傳感器所需的直管段較短，長(zhǎng)度為5倍的管道直徑。目前，電磁流量計(jì)相關(guān)的測(cè)量?jī)x表，在石化、化工等行業(yè)企業(yè)有著較大量的應(yīng)用，在流量計(jì)量中擔(dān)任著重要的角色。溫州投入式流量計(jì)哪家好</p><p style="text-indent:25px">南儀測(cè)控技術(shù)(上海)有限公司總部位于滬閔路1871號(hào)9甲幢4樓407室，是一家一般項(xiàng)目:從事測(cè)控科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險(xiǎn)品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營(yíng)業(yè)執(zhí)照依法自主開展經(jīng)營(yíng)活動(dòng))的公司。公司自創(chuàng)立以來，投身于壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)，是五金、工具的主力軍。南儀測(cè)控技術(shù)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。南儀測(cè)控技術(shù)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，高度的專注與執(zhí)著使南儀測(cè)控技術(shù)在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2472871.html</p></div></div></div></div></div><div id="jskh27c" class="page-right twoColRt"><div id="irjlamy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tnkmtam" class="recomPic likePro"><a 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