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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a 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>?徐州電磁流量計(jì)哪家便宜誠(chéng)信經(jīng)營(yíng) 南儀測(cè)控技術(shù)供應(yīng)</p><div id="22b7oqj" class="leftbox clearfix"><h1>徐州電磁流量計(jì)哪家便宜誠(chéng)信經(jīng)營(yíng) 南儀測(cè)控技術(shù)供應(yīng)</h1><div id="fzreo82" class="proBig"><div id="y3y94bw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711069791454/9673165.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="e8sm88j" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711069791454/9673165.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="etacriy" 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>徐州電磁流量計(jì)哪家便宜,流量計(jì)</p><p><span>***更新：</span>2020-12-21 13:17:36</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="bq8kfh2" 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(huà): </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="agq7rd7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7gcurt7" class="box"><p><p style="text-indent:25px">電磁流量計(jì)使用中的常見(jiàn)故障，徐州電磁流量計(jì)哪家便宜，有的是由于儀表本身元器件損壞引起的故障，有的是由于選用不當(dāng)、安裝不妥、環(huán)境條件、流動(dòng)體特性等因素造成的故障，如顯示波動(dòng)、精度較降甚至儀表?yè)p壞等。它一般可以分為兩種類(lèi)型：安裝調(diào)試時(shí)出現(xiàn)的故障（調(diào)試期故障）和正常運(yùn)行時(shí)出現(xiàn)的故障（運(yùn)行期故障）。1、調(diào)試期故障：調(diào)試期待故障一般出現(xiàn)在儀表安裝調(diào)試階段，一經(jīng)排除，在以后相同條件較不會(huì)再出現(xiàn)。常見(jiàn)的調(diào)試期故障通常由安裝不妥、環(huán)境干擾以及流動(dòng)體特性影響等原因引起。2，徐州電磁流量計(jì)哪家便宜、運(yùn)行期故障：運(yùn)行期故障是電磁流量計(jì)經(jīng)調(diào)試并正常運(yùn)行一段時(shí)期后出現(xiàn)的故障，常見(jiàn)的運(yùn)行期故障一般由流量傳感器內(nèi)壁附著層，徐州電磁流量計(jì)哪家便宜、雷電打擊以及環(huán)境條件變化等因素引起。傳統(tǒng)電磁流量計(jì)用信號(hào)電纜的性能已無(wú)法滿(mǎn)足使用要求。徐州電磁流量計(jì)哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州電磁流量計(jì)哪家便宜,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711069791454/9673165.png"></div><p style="text-indent:25px">電磁流量計(jì)磁場(chǎng)邊緣效應(yīng)對(duì)測(cè)量有什么影響：若是沿流體流動(dòng)方向上的磁場(chǎng)始終是均勻的，在實(shí)際時(shí)，這就意味著沿著管軸方向的磁場(chǎng)是無(wú)限長(zhǎng)的，而實(shí)際上電磁流量計(jì)磁場(chǎng)是有限長(zhǎng)的，所以就要考慮到有限長(zhǎng)磁場(chǎng)所產(chǎn)生的邊緣效果對(duì)測(cè)量的影響。如果電磁流量計(jì)管壁是絕緣的，其電極附近磁場(chǎng)大多都是均勻的，兩端則是會(huì)逐漸的減弱，會(huì)形成不均勻的邊緣，后就會(huì)下降至零。這樣使其液體內(nèi)部電場(chǎng)也會(huì)不均勻，將是會(huì)產(chǎn)生有渦電流，因?yàn)闇u電路所產(chǎn)生的二次磁通反過(guò)來(lái)會(huì)改變磁場(chǎng)邊緣部分的工作磁通，會(huì)使磁場(chǎng)的均勻性遭受到破壞。常州流量計(jì)廠家服務(wù)熱線流量計(jì)聚四氟乙烯PTFE襯里還具有不粘性，不能和其他物質(zhì)相粘接，表面光滑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州電磁流量計(jì)哪家便宜,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142302835889/3702973.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(wèn)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(lái)確定測(cè)量管內(nèi)徑。</p><p style="text-indent:25px">電磁流量計(jì)被擊穿的原因分析及應(yīng)對(duì)方案：在電磁流量計(jì)的應(yīng)用上，有些用戶(hù)會(huì)遇到電磁流量計(jì)轉(zhuǎn)換器電路板被燒壞的情況，尤其在夏季多雷雨的天氣，此種情況出現(xiàn)更為頻繁，結(jié)合大部分現(xiàn)場(chǎng)情況判斷，損壞部分為勵(lì)磁電路的電源部分，結(jié)合損壞情況判斷，是由于過(guò)壓造成勵(lì)磁電源保護(hù)穩(wěn)壓管擊穿，續(xù)電情況下進(jìn)一步造成損壞器件過(guò)流產(chǎn)生高溫，促使PCB板極高溫碳化，加劇損壞情況.通常現(xiàn)場(chǎng)產(chǎn)生過(guò)壓的原因有兩種情況：1、現(xiàn)場(chǎng)工況電源電壓不穩(wěn)，易產(chǎn)生浪涌電壓.若是建議安裝電源穩(wěn)壓器；2、雷雨季節(jié)的雷擊直接作用于電磁流量計(jì)，雷擊途徑多樣復(fù)雜，可通過(guò)一切與外部接觸的途徑，如輸入部分的電源；輸出部分的電流，頻率，通訊；流體管道傳感器的勵(lì)磁及電極.智能電磁流量計(jì)的襯里種類(lèi)會(huì)越來(lái)越多，可以更普遍地滿(mǎn)足測(cè)量現(xiàn)場(chǎng)的需要。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州電磁流量計(jì)哪家便宜,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142236116619/4092847.png"></div><p style="text-indent:25px">電磁流量計(jì)干擾源的分類(lèi)有很多中，從電磁干擾屬性來(lái)分別的話(huà)，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(guò)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(kāi)關(guān)閉合與切斷所產(chǎn)生的電弧放電的干擾?？梢詮碾姶帕髁坑?jì)干擾信號(hào)頻率寬度來(lái)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(lái)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，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?。?*擾的敏感器來(lái)說(shuō)，在干擾耦合是能分為傳導(dǎo)耦合與輻射耦合兩較大類(lèi)。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)。電磁流量計(jì)已經(jīng)是工業(yè)企業(yè)測(cè)量液體介質(zhì)的流量計(jì)。南京投入式流量計(jì)哪家便宜</p><p style="text-indent:25px">電磁流量計(jì)是有由傳感器和轉(zhuǎn)換器兩部分構(gòu)成。徐州電磁流量計(jì)哪家便宜</p><p style="text-indent:25px">在過(guò)程自動(dòng)化儀表與裝置中，流量?jī)x表有兩大功用：作為過(guò)程自動(dòng)化控制系統(tǒng)的檢測(cè)儀表和測(cè)量物料數(shù)量的總量表。技術(shù)指標(biāo)：流量上限值：流量計(jì)能按規(guī)定精確度測(cè)量的大流量。流量下限值：流量計(jì)能按規(guī)定精確度測(cè)t的小流量。誤差限：流量計(jì)誤差的大允許值。量程比：流量計(jì)的流量上限值與下限值之比值。標(biāo)定：在標(biāo)定狀態(tài)下，通過(guò)一系列已知值來(lái)確定流量計(jì)標(biāo)度的過(guò)程。流通面積：流盤(pán)計(jì)錐管內(nèi)徑與浮子工作直徑之間的有效環(huán)隙橫截面積。標(biāo)定狀態(tài)：標(biāo)定時(shí)流量計(jì)上游所處的較全溫度和較全壓力狀態(tài)。精確度等級(jí)：玻璃轉(zhuǎn)子流量計(jì)的一種分級(jí)，凡屬同一精確度等級(jí)的流量計(jì)應(yīng)滿(mǎn)足該類(lèi)流量計(jì)規(guī)定的全部共同精確度要求。示值：流量計(jì)指示的容積流量值。徐州電磁流量計(jì)哪家便宜</p><p style="text-indent:25px">南儀測(cè)控技術(shù)(上海)有限公司是一家一般項(xiàng)目:從事測(cè)控科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢(xún)、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(xiāo)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(chē)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(xiāo)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(kāi)展經(jīng)營(yíng)活動(dòng))的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。公司自創(chuàng)立以來(lái)，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)創(chuàng)始人謝成艷，始終關(guān)注客戶(hù)，創(chuàng)新科技，竭誠(chéng)為客戶(hù)提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2495443.html</p></div></div></div></div></div><div id="dp38vhl" class="page-right twoColRt"><div id="kp4bs37" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jshtqhj" class="recomPic 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