南京油罐流量計(jì)廠家服務(wù)為先南儀測控技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電磁流量計(jì)按故障外界源頭分析來自3個(gè)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(diǎn)；流量傳"><meta name="keywords" content="南京油罐流量計(jì)廠家,流量計(jì)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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clearfix"><h1>南京油罐流量計(jì)廠家服務(wù)為先南儀測控技術(shù)供應(yīng)</h1><div id="7fh48b7" class="proBig"><div id="jz3z3e9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400217061148192/8862408.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yo98p8f" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400217061148192/8862408.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7dxw22z" 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>南京油罐流量計(jì)廠家,流量計(jì)</p><p><span>***更新：</span>2021-01-20 03:11:22</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8ub9jxo" 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(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="ihbabdf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="keysubi" class="box"><p><p style="text-indent:25px">電磁流量計(jì)按故障外界源頭分析來自3個(gè)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(diǎn)；流量傳感器后無背壓，液體逕直排人大氣，形成其測量管內(nèi)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(jī)磁場干擾等。管道雜散電流干擾通常采取良好單獨(dú)接地保護(hù)可獲得滿意測量，南京油罐流量計(jì)廠家，但如遇管道有強(qiáng)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，南京油罐流量計(jì)廠家。傳統(tǒng)電磁流量計(jì)用信號電纜易因受振動、沖擊、彎曲以及外界溫度變化，南京油罐流量計(jì)廠家，造成內(nèi)部摩擦，從而產(chǎn)生噪音。南京油罐流量計(jì)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京油罐流量計(jì)廠家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400217061148192/8862408.png"></div><p style="text-indent:25px">電磁流量計(jì)想要計(jì)量準(zhǔn)必須避開幾個(gè)環(huán)境至關(guān)重要：電磁流量計(jì)安裝應(yīng)該根據(jù)要求去做，首先就是對環(huán)境的要求，大家要引起重視。1、地電位變化：地電位變化會影響流量測量，例如其他設(shè)備接地線上產(chǎn)生電壓降，可使電磁流量計(jì)地電位變化，若形成較大共模干擾時(shí)，可會影響測量2、潮氣浸入：電磁流量計(jì)應(yīng)用于給排水工業(yè)常將流量傳感器在低于地平線的儀表井中，因而時(shí)常會浸在未及時(shí)排放的雨水中，甚至長期浸泡在水中。即使是外殼保護(hù)等級為IP67（塵密短時(shí)浸水級）或IP68（塵密連續(xù)浸水級），也會因接線端子盒蓋密封墊圈或電纜引入密封套圈未壓緊密封，漏裝套圈，或套圈與電纜外徑未匹配，經(jīng)常發(fā)生這類事故。南京油罐流量計(jì)廠家電磁流量計(jì)具有RS485、RS232、Hart和Modbus等數(shù)字通訊信號輸出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京油罐流量計(jì)廠家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142264749444/6461272.png"></div><p style="text-indent:25px">電磁式流量計(jì)的流量測量原理基于法拉第電磁感應(yīng)定律：當(dāng)導(dǎo)電液體流動過圍在磁場中的測量管時(shí)，在與流動向和磁場二者相垂直的方向就會產(chǎn)生與平均流動速成正比的感應(yīng)電動勢。流量計(jì)由傳感器和轉(zhuǎn)換器二部分組成。轉(zhuǎn)換器傳輸勵(lì)磁電流動到傳感器內(nèi)部的線圈，從而在傳感器測量管內(nèi)產(chǎn)生磁場，然后流動過測量管的導(dǎo)電液體因切割磁力線而產(chǎn)生感應(yīng)電動勢，而固定在測量管管壁二側(cè)的電極接收并通過信號電纜將該感應(yīng)電動勢傳輸給轉(zhuǎn)換器，轉(zhuǎn)換器將信號進(jìn)行濾波、放較大、運(yùn)算、變換后，得出被測介質(zhì)的流量值。*后，轉(zhuǎn)換器輸出與流量測量值成正比的標(biāo)準(zhǔn)電流動信號或頻率信號。</p><p style="text-indent:25px">金屬浮子流量計(jì)如何安裝：金屬浮子流量計(jì)垂直安裝，流量計(jì)中心線與鉛垂線的夾角不超過5°，在流量計(jì)的上游須保證五倍公稱通徑的入口直管段，較游保證250mm出口直管段。如果介質(zhì)中含有固體雜質(zhì)，應(yīng)在流量計(jì)上游加裝過濾器；如果介質(zhì)中含有鐵磁性物質(zhì)，應(yīng)在流量計(jì)的上游安裝磁過濾器。為了便于維護(hù)和清洗且不影響生產(chǎn)，建議安裝旁通管路。為了避免由于管道引起的流量計(jì)變形，安裝法蘭必須與儀表同軸并且相互平行，并適當(dāng)?shù)刂喂艿酪员苊夤艿勒駝雍蜏p小流量計(jì)的軸向負(fù)荷，測量系統(tǒng)中控制閥應(yīng)安裝在金屬浮子流量計(jì)的較游。用于測量氣體時(shí)，應(yīng)保證管道壓力不小于5倍流量計(jì)的壓力損失，以使浮子穩(wěn)定工作。當(dāng)流體通過流量計(jì)時(shí)不會引起任何附加的壓力損失，是流量計(jì)中運(yùn)行能耗低的流量儀表之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京油罐流量計(jì)廠家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711037769862/4139399.png"></div><p style="text-indent:25px">電磁流量計(jì)的特點(diǎn)：1、電磁流量計(jì)是一種體積流量測量儀表，在測量過程中，它不受被測介質(zhì)的溫度、粘度、密度以電導(dǎo)率（在一定范圍）的影響。因此，電磁流量計(jì)只需經(jīng)水標(biāo)定后，就可心用來測量其它導(dǎo)電性液體的流量。2、電磁流量計(jì)的輸出只與被測介質(zhì)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(guān)。所以電磁流量計(jì)的量程范圍極寬，其測量范圍度可達(dá)100：1，有的甚至達(dá)1000：1的可運(yùn)行流量范圍。3、電磁流量計(jì)無機(jī)械慣性，反應(yīng)靈敏，可以測量瞬時(shí)脈動流量，也可測量正反兩個(gè)方向的流量。4、工業(yè)用電磁流量計(jì)的口徑范圍極寬，從幾個(gè)毫米一直到幾米，而且國內(nèi)已有口徑達(dá)3m的實(shí)流動校驗(yàn)設(shè)備，為電磁流量計(jì)的應(yīng)用和發(fā)展奠定了基礎(chǔ)。法蘭連接型渦輪流量計(jì)。傳感器以法蘭形式與管道連接。南京油罐流量計(jì)廠家</p><p style="text-indent:25px">示值：流量計(jì)指示的容積流量值。南京油罐流量計(jì)廠家</p><p style="text-indent:25px">渦輪流量計(jì)按流動動方向分類：1.單向型渦輪流量計(jì)。只允許流動體從一個(gè)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(jì)。允許流動體從正反兩個(gè)方向流動入傳感器，有兩個(gè)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(gè)方向來流動的總量。例如潛水艇用的渦輪流量計(jì)。按傳感器與管道連接方式分類：1.法蘭連接型渦輪流量計(jì)。傳感器以法蘭形式與管道連接。定型產(chǎn)品法蘭按國家標(biāo)準(zhǔn)。壓力限于6.3Mpa以較。2.螺紋連接型渦輪流量計(jì)。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(jì)。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。南京油罐流量計(jì)廠家</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司總部位于滬閔路1871號9甲幢4樓407室，是一家一般項(xiàng)目:從事測控科技領(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，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動)的公司。南儀測控技術(shù)擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)。南儀測控技術(shù)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動團(tuán)隊(duì)取得成功。南儀測控技術(shù)始終關(guān)注五金、工具市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2923382.html</p></div></div></div></div></div><div id="vkhelxz" class="page-right twoColRt"><div id="ujby2ha" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3u3xgx3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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