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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(guān)鍵詞：</span>常州流量計銷售,流量計</p><p><span>***更新：</span>2020-12-22 02:12:19</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="felc7pg" 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="3bn7aok" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="imo7ugx" class="box"><p><p style="text-indent:25px">一體化孔板流量計如何正確使用：科信儀表較面就為較大家進(jìn)行詳細(xì)說明：1.導(dǎo)壓管系統(tǒng)注滿冷水作導(dǎo)壓介質(zhì)，測量高溫蒸汽一般通過冷水導(dǎo)壓。在管線沒輸送蒸汽的情況較，打開一次閥，壓力閥和平衡閥，關(guān)閉排污閥，直接從冷凝罐注水孔注入冷水，直至全注滿為止。當(dāng)然也可以關(guān)閉平衡閥和壓力閥，打開一次閥引進(jìn)高溫蒸汽慢慢冷卻成水。這種方法由于蒸汽溫度太高，容易損壞儀表，常州流量計銷售，一般不采用。特別要注意測量高溫蒸汽時導(dǎo)壓管沒注滿水或溫度很高嚴(yán)禁投入運(yùn)行。測量壓縮空氣、冷水直接采用被介質(zhì)導(dǎo)壓。2.差壓變送器排氣或排液，導(dǎo)壓管注滿水后，常州流量計銷售，在差壓變送器的壓容室內(nèi)有時要聚集少量氣體影響導(dǎo)壓，必須進(jìn)行排除。擰開正、負(fù)壓容室較部的螺栓排液，常州流量計銷售。一般新投入運(yùn)行的儀表不用排液。檢查導(dǎo)壓管線系統(tǒng)無任何泄露，關(guān)閉所有閥門，準(zhǔn)備投入運(yùn)行。文丘里管由一圓形丈量管和置入丈量管內(nèi)并與丈量管同軸的特型芯體所構(gòu)成。常州流量計銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州流量計銷售,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142236116619/4092847.png"></div><p style="text-indent:25px">電磁流量計和超聲波流量計的主要區(qū)別，安裝、維護(hù)、檢定成本不同：超聲波流量計適用于較大型圓形管道和矩形管道，且原理上不受管徑限制，其造價基本上與管徑無關(guān)。對于較大型管道不僅帶來方便，可認(rèn)為在無法實(shí)現(xiàn)實(shí)流動校驗(yàn)的情況較是優(yōu)先考慮的選擇方案。超聲流量計可作非接觸測量。夾裝式換能器超聲流量計可無需停流動截管安裝，只要在既設(shè)管道外部安裝換能器即可。這是超聲流量計在工業(yè)用流量儀表中具有的獨(dú)特優(yōu)點(diǎn)，因此可作移動性(即非定點(diǎn)固定安裝)測量，適用于管網(wǎng)流動動狀況評估測定超聲流量計為無流動動阻撓測量，無額外壓力損失。常州流量計銷售質(zhì)量流量計應(yīng)用拓展大的障礙就是價格問題。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州流量計銷售,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711026734705/3791399.png"></div><p style="text-indent:25px">流量在熱工參數(shù)的測量中是一個比較復(fù)雜的測量參數(shù)。影響測量的因素較多,要選擇好一種合適的流量測量方法,往往需要考慮多方面的綜合比較。在影響流量測量諸多因素中,重要的一點(diǎn)是流動體特性,特別在石化行業(yè)內(nèi)碰到的流動體特性十分復(fù)雜,給流量方法的選擇帶來困難。測量方法一般選擇如較:含固體顆粒流動體――楔形流量計、電磁流量計、科氏力流量計;兩相流動體――科氏力流量計、電磁流量計、轉(zhuǎn)子流量計;漿料流動體――楔形流量計、多普勒超聲波流量計;腐蝕性流動體――電磁流量計、金屬管轉(zhuǎn)子流量計、科氏力流量計;較大黏度流動體――錐形入口孔板流量計、電磁流量計、橢圓齒輪流量計、科氏力流量計。</p><p style="text-indent:25px">24V供電電磁流量計首要用于工業(yè)現(xiàn)場不允許運(yùn)用溝通電或從安全方面思索選用低壓直流電的場所，或是配流量積算儀由積算儀給電磁流量計中止供電，只能挑選24V電池供電，電磁流量計現(xiàn)在使用不是太多，首要針對一些現(xiàn)場沒有任何電源的情況下選用。一起也有毛病報警功用，上量設(shè)置并報警功用，正反相流量中止切換功用，帶485通訊的功用。電磁流量計除了供電方法有著多樣性之外，其內(nèi)涵功用也很強(qiáng)壯，可以用于測量液體介質(zhì)的流速，可以測量介質(zhì)的正向流量和反相流量，可以測量瞬時流量和累積流量?？梢宰龀梢惑w式和分體式兩種，根據(jù)客戶的懇求來定。兩相流體――科氏力流量計、電磁流量計、轉(zhuǎn)子流量計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州流量計銷售,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142412661529/1294224.png"></div><p style="text-indent:25px">一體化渦街流量計產(chǎn)業(yè)發(fā)展的重要標(biāo)志及發(fā)展機(jī)：十二五期間一體化渦街流量計產(chǎn)業(yè)將充滿機(jī)遇、挑戰(zhàn)和活力。我國一體化渦街流量計生產(chǎn)企業(yè)，部分骨干企業(yè)采用了壓力機(jī)，并相應(yīng)配以操作機(jī)械手和多工位熱成形壓力機(jī)外，使產(chǎn)業(yè)精度，壽命，鍛件質(zhì)量穩(wěn)定性均受影響。因而一體化渦街流量計產(chǎn)業(yè)也面臨一個國內(nèi)由于儀器產(chǎn)業(yè)的發(fā)展，國際上全球采購的良好發(fā)展機(jī)遇。一體化渦街流量計產(chǎn)業(yè)存在行業(yè)概念不清，學(xué)術(shù)概念與行業(yè)概念相混淆的現(xiàn)象。隨著儀器儀表相關(guān)產(chǎn)業(yè)的發(fā)展，儀器儀表的產(chǎn)業(yè)內(nèi)行業(yè)概念越來越清晰，這是一體化渦街流量計產(chǎn)業(yè)發(fā)展的一個重要標(biāo)志。一體化渦街流量計生產(chǎn)企業(yè)加較大企業(yè)的技改，較大力采用打擊能量逐步向手工操作向自動化操作過渡。不斷地加以改造。使我國的一體化渦街流量計產(chǎn)業(yè)在已具備相當(dāng)產(chǎn)能規(guī)模的基礎(chǔ)上，提升整體競爭能力。十二五期間中我國儀器儀表行業(yè)必須注重企業(yè)家、技術(shù)人員和工人隊(duì)伍的建設(shè)，倡導(dǎo)學(xué)習(xí)和改造；注重一體化渦街流量計設(shè)備的自制能力建設(shè)；注重阻止低檔次重復(fù)建設(shè)；注重基礎(chǔ)理論技術(shù)和實(shí)際應(yīng)用技術(shù)的研究和開發(fā)。大黏度流體――錐形入口孔板流量計、電磁流量計、橢圓齒輪流量計、科氏力流量計。上海油罐流量計哪家好</p><p style="text-indent:25px">電磁流量計具有RS485、RS232、Hart和Modbus等數(shù)字通訊信號輸出。常州流量計銷售</p><p style="text-indent:25px">電磁流量計和超聲波流量計的主要區(qū)別：電磁流量計的安裝與調(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的儀表配用。在安裝變送器時，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，不能有強(qiáng)磁場。在安裝時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流動體等電位。在使用時，必須排盡測量管中存留的氣體，否則會造成較較大的測量誤差。電磁流量計需要在有電導(dǎo)率的液體條件較安裝，而且一般電磁流量計的安裝必須截管安裝，但是電磁流量計的特點(diǎn)是在符合條件的現(xiàn)場條件較準(zhǔn)確度高。電磁流量計拆卸麻煩，必須要求工藝停車，拆卸送檢麻煩，如果是0.5%準(zhǔn)確度按國家計量檢定規(guī)程每半年需檢定一次。常州流量計銷售</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司是一家一般項(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，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。南儀測控技術(shù)深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的壓力變送器，溫度傳感器，液位計，流量計。南儀測控技術(shù)繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。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/2504717.html</p></div></div></div></div></div><div id="cl7f95m" class="page-right twoColRt"><div id="iwsebmi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="i8skwsu" class="recomPic likePro"><a 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