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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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>雅安流量?jī)x表銷售,流量?jī)x表</p><p><span>***更新：</span>2020-10-26 08:09:21</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="ga3njq2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達(dá)廣場(chǎng)SOHO公寓2-2-1138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="2xewtf4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fjl8foy" class="box"><p><p style="text-indent:25px">根據(jù)一元流動(dòng)的連續(xù)方程，當(dāng)流通截面恒定時(shí)，截面上的平均流速與體積流量成正比，于是各種與流速有關(guān)的物理現(xiàn)象便可以用來建立流量計(jì)。例如：超聲波流量計(jì)、渦輪流量計(jì)、動(dòng)壓測(cè)量管、漩渦流量計(jì)和節(jié)流式流量計(jì)等均屬于此類。目前流量?jī)x表中以這類儀表**多，它們有較寬的使用條件，有用于高溫高壓流體的，也有精度較高的，雅安流量?jī)x表銷售，有的能量損失很小，雅安流量?jī)x表銷售，雅安流量?jī)x表銷售，有的可適應(yīng)臟污介質(zhì)等等。使流體流動(dòng)得到某種加速度的力學(xué)效應(yīng)與質(zhì)量的關(guān)系，是這種方法的物理基礎(chǔ)，按這種原理制成的流量計(jì)有質(zhì)量流量計(jì)和回轉(zhuǎn)管式流量計(jì)等。雅安流量?jī)x表銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="雅安流量?jī)x表銷售,流量?jī)x表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044263648779297/1141047.jpg"></div><p style="text-indent:25px">帶打印便攜超聲波流量計(jì)具有測(cè)量精度高、一致性好、電池供電、操作簡(jiǎn)單、攜帶方便等特點(diǎn)，是目前國(guó)內(nèi)體積較小、質(zhì)量較輕，真正意義上的便攜超聲波流量計(jì)。利用了低電壓、多脈沖時(shí)差原理，采用高精度和超穩(wěn)定的雙平衡信號(hào)差分發(fā)射、差分接收數(shù)字檢測(cè)技術(shù)來測(cè)量順流和逆流方向的聲波傳輸時(shí)間，根據(jù)時(shí)差計(jì)算出流速。具有穩(wěn)定性好、零點(diǎn)漂移小、測(cè)量精度高，量程比寬抗干擾性強(qiáng)等特點(diǎn)。當(dāng)超聲波波束在液體中傳播時(shí)，液體的流動(dòng)將使傳播時(shí)間產(chǎn)生微小變化，其傳播時(shí)間的變化正比于液體的流速，零流量時(shí)，兩個(gè)傳感器發(fā)射和接受聲波所需的時(shí)間完全相同；介質(zhì)流動(dòng)時(shí)，逆流方向的志波傳輸時(shí)間大于水流方向的聲波傳輸時(shí)間。雅安流量?jī)x表銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="雅安流量?jī)x表銷售,流量?jī)x表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044263648779297/9819656.jpg"></div><p style="text-indent:25px">流量?jī)x表品種如此之多的原因就在于至今還沒找到一種對(duì)任何流體、任何量程、任何流動(dòng)狀態(tài)以及任何使用條件都適用的流量?jī)x表。流量計(jì)種類，流量計(jì)選型，流量計(jì)價(jià)格，流量計(jì)原理，流量計(jì)安裝，流量計(jì)廠家是使用者一直很關(guān)注的問題。所以在選用流量?jī)x表時(shí)，要進(jìn)行周密的分析與比較，選擇適宜的流量?jī)x表以達(dá)到預(yù)期的測(cè)量目的。電磁流量計(jì)是根據(jù)法拉第電磁感應(yīng)定律制成的一種測(cè)量導(dǎo)電性液體的儀表。電磁流量計(jì)由傳感器、轉(zhuǎn)換器、電纜連接線三部分組成，缺一不可。如果電纜連接線很短，安裝在流量計(jì)殼體內(nèi)。</p><p style="text-indent:25px">流量?jī)x表(流量計(jì))的一般選型可以從五個(gè)方面進(jìn)行考慮，這五個(gè)方面為流量計(jì)儀表性能方面、流體特性方面、安裝條件方面、環(huán)境條件方面和經(jīng)濟(jì)因素方面。五個(gè)方面的詳細(xì)因素如下： 1、儀表性能方面：準(zhǔn)確度、重復(fù)性、線性度、范圍度、流量范圍、信號(hào)輸出特性、響應(yīng)時(shí)間、壓力損失等； 2、流體特性方面：溫度、壓力、密度、粘度、化學(xué)腐蝕、磨蝕性、結(jié)垢、混相、相變、電導(dǎo)率、聲速、導(dǎo)熱系數(shù)、比熱容，等熵指數(shù)； 3、安裝條件方面：管道布置方向，流動(dòng)方向，檢測(cè)件上下游側(cè)直管段長(zhǎng)度、管道口徑，維修空間、電源、接地、輔助設(shè)備(過濾器、消氣器)、安裝、等； 4、環(huán)境條件方面：環(huán)境溫度、濕度、電磁干擾、安全性、防爆、管道振動(dòng)等； 5、經(jīng)濟(jì)因素方面：儀表購(gòu)置費(fèi)、安裝費(fèi)、運(yùn)行費(fèi)、校驗(yàn)費(fèi)、維修費(fèi)、儀表使用壽命、備品備件等。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="雅安流量?jī)x表銷售,流量?jī)x表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044263648847656/9354750.jpg"></div><p style="text-indent:25px">化工生產(chǎn)中所處理的物料大部分是流體，它們通過動(dòng)力設(shè)備，如鼓風(fēng)機(jī)、泵等，在管道中輸送。工業(yè)上用于測(cè)量流體流量的儀表叫做流量計(jì)或流量?jī)x表、流量測(cè)量的重要目的有如下兩個(gè)方面； 1．流量不但是控制化工生產(chǎn)及監(jiān)督設(shè)備工況的重要參數(shù)，也是物料流動(dòng)工況特征參數(shù)之一，同時(shí)對(duì)確保正常生產(chǎn)，亦有很大意義。 2．流量又是車間、工廠實(shí)行企業(yè)經(jīng)濟(jì)核算的基礎(chǔ)依據(jù)，生產(chǎn)廠要準(zhǔn)確地測(cè)出水、蒸汽、燃料氣、原料或動(dòng)力消耗的情況，以加強(qiáng)企業(yè)管理。因此，操作人員對(duì)流量的測(cè)量，必須給予足夠的重視。由于流量測(cè)量的目的不同，對(duì)流量測(cè)量的要求也不同。前一種則要求儀表穩(wěn)定、靈敏，后一種則要求儀表準(zhǔn)確、可靠。雅安流量?jī)x表銷售</p><p style="text-indent:25px">雅安流量?jī)x表銷售</p><p style="text-indent:25px">儀器儀表是用以檢出、測(cè)量、觀察、計(jì)算各種物理量、物質(zhì)成分、物性參數(shù)等的器具或設(shè)備。真空檢漏儀、壓力表、測(cè)長(zhǎng)儀、顯微鏡、乘法器等均屬于儀器儀表。近年來，得益于機(jī)械、冶金、石化行業(yè)等儀器儀表服務(wù)領(lǐng)域經(jīng)營(yíng)狀況的好轉(zhuǎn)，我國(guó)儀器儀表制造業(yè)發(fā)展一路向好。目前，耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)等產(chǎn)品的產(chǎn)量居世界前列，實(shí)驗(yàn)分析儀器等中產(chǎn)品的市場(chǎng)占比不斷上升，行業(yè)技術(shù)上總體已達(dá)到的中等國(guó)際水平，少數(shù)產(chǎn)品接近或達(dá)到當(dāng)前較高國(guó)際水平。研發(fā)、銷售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門、水泵、電線電纜、通訊器材(不含無線廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類)、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。產(chǎn)品普遍運(yùn)用于工業(yè)、農(nóng)業(yè)、交通、科技、環(huán)保、**、文教衛(wèi)生、大家生活等各個(gè)領(lǐng)域，在旺盛市場(chǎng)需求的帶動(dòng)下和我國(guó)宏觀調(diào)控政策的引導(dǎo)下，我國(guó)儀器儀表行業(yè)的發(fā)展有了長(zhǎng)足的進(jìn)步空間。盡管在我國(guó)相關(guān)政策的引導(dǎo)和支持下，我國(guó)儀器儀表行業(yè)得到了飛速發(fā)展。但是從銷售整體上看，我國(guó)的儀器儀表行業(yè)還是落后于國(guó)際水平的。重點(diǎn)技術(shù)缺乏、高精尖產(chǎn)品嚴(yán)重依賴進(jìn)口、儀器儀表產(chǎn)品同質(zhì)化嚴(yán)重、生產(chǎn)工藝落后、研發(fā)能力弱、精度不高等問題的凸顯，為儀器儀表行業(yè)的發(fā)展帶來了嚴(yán)峻的挑戰(zhàn)。雅安流量?jī)x表銷售</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型公司。公司業(yè)務(wù)涵蓋耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)等，價(jià)格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1715000.html</p></div></div></div></div></div><div id="8iahj3o" class="page-right twoColRt"><div id="7npbifj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3y2dkho" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="n2z7etf" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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