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class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</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>產品關鍵詞：</span>遂寧流量儀表批發(fā),流量儀表</p><p><span>***更新：</span>2021-01-14 10:06:12</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="jzv3qco" 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>網址: </span></p><p><span>手機: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zlh7jqh" class="page-proshow02"><p class="title">詳細說明</p><div id="imyk8oa" class="box"><p><p style="text-indent:25px">帶打印便攜超聲波流量計具有測量精度高、一致性好、電池供電、操作簡單、攜帶方便等特點，是目前國內體積較小、質量較輕，真正意義上的便攜超聲波流量計。利用了低電壓、多脈沖時差原理，遂寧流量儀表批發(fā)，采用高精度和超穩(wěn)定的雙平衡信號差分發(fā)射、差分接收數字檢測技術來測量順流和逆流方向的聲波傳輸時間，根據時差計算出流速。具有穩(wěn)定性好、零點漂移小、測量精度高，量程比寬抗干擾性強等特點，遂寧流量儀表批發(fā)。當超聲波波束在液體中傳播時，液體的流動將使傳播時間產生微小變化，其傳播時間的變化正比于液體的流速，遂寧流量儀表批發(fā)，零流量時，兩個傳感器發(fā)射和接受聲波所需的時間完全相同；介質流動時，逆流方向的志波傳輸時間大于水流方向的聲波傳輸時間。遂寧流量儀表批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遂寧流量儀表批發(fā),流量儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044263648779297/9819656.jpg"></div><p style="text-indent:25px">流量測量的方法很多，儀表的種類也很多，結合流量的定義，常用的流量測量方法可歸納為容積法，流速法和質量流量法等。如果流體是以固定體積從流量計中逐次排放流出，則對排放的次數計數，就可以求得通過儀器的流體總量。若測量排放的頻率，即可顯示流量。這種方法叫做容積法。如刮板流量計。橢圓齒輪流量計和標準體積管等，都是按此原理工作的。這類儀表所顯示的是體積流量的總量。容積法的特點是流動狀態(tài)對測量的影響較小，精確度較高，這類流量計一般不宜用于測量高溫高壓流體和臟污介質的流量，測量流量的上限也不大。遂寧流量儀表批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遂寧流量儀表批發(fā),流量儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044263648847656/9354750.jpg"></div><p style="text-indent:25px">化工生產中所處理的物料大部分是流體，它們通過動力設備，如鼓風機、泵等，在管道中輸送。工業(yè)上用于測量流體流量的儀表叫做流量計或流量儀表、流量測量的重要目的有如下兩個方面； 1．流量不但是控制化工生產及監(jiān)督設備工況的重要參數，也是物料流動工況特征參數之一，同時對確保正常生產，亦有很大意義。 2．流量又是車間、工廠實行企業(yè)經濟核算的基礎依據，生產廠要準確地測出水、蒸汽、燃料氣、原料或動力消耗的情況，以加強企業(yè)管理。因此，操作人員對流量的測量，必須給予足夠的重視。由于流量測量的目的不同，對流量測量的要求也不同。前一種則要求儀表穩(wěn)定、靈敏，后一種則要求儀表準確、可靠。</p><p style="text-indent:25px">流量儀表(流量計)的一般選型可以從五個方面進行考慮，這五個方面為流量計儀表性能方面、流體特性方面、安裝條件方面、環(huán)境條件方面和經濟因素方面。五個方面的詳細因素如下： 1、儀表性能方面：準確度、重復性、線性度、范圍度、流量范圍、信號輸出特性、響應時間、壓力損失等； 2、流體特性方面：溫度、壓力、密度、粘度、化學腐蝕、磨蝕性、結垢、混相、相變、電導率、聲速、導熱系數、比熱容，等熵指數； 3、安裝條件方面：管道布置方向，流動方向，檢測件上下游側直管段長度、管道口徑，維修空間、電源、接地、輔助設備(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、管道振動等； 5、經濟因素方面：儀表購置費、安裝費、運行費、校驗費、維修費、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="遂寧流量儀表批發(fā),流量儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044263648779297/1141047.jpg"></div><p style="text-indent:25px">流量儀表品種如此之多的原因就在于至今還沒找到一種對任何流體、任何量程、任何流動狀態(tài)以及任何使用條件都適用的流量儀表。流量計種類，流量計選型，流量計價格，流量計原理，流量計安裝，流量計廠家是使用者一直很關注的問題。所以在選用流量儀表時，要進行周密的分析與比較，選擇適宜的流量儀表以達到預期的測量目的。電磁流量計是根據法拉第電磁感應定律制成的一種測量導電性液體的儀表。電磁流量計由傳感器、轉換器、電纜連接線三部分組成，缺一不可。如果電纜連接線很短，安裝在流量計殼體內。遂寧流量儀表批發(fā)</p><p style="text-indent:25px">遂寧流量儀表批發(fā)</p><p style="text-indent:25px">量儀表(流量計)的選型對儀表能否成功使用往往起著很重要的作用，由于被測對象的復雜狀況以及儀表品種繁多、性能指標各使得儀表的選型感到困難。沒有一種十全十美的流量計，各類儀表都有各自的特點，選型的目的就是在眾多的品種中揚長避短選擇自己**合適的流量計儀表。流量計儀表選型的步驟如下： 1、依據流體種類及五個方面考慮因素初選可用儀表類型(要有幾種類型以便進行選擇)； 2、對初選類型進行資料及價格信息的收集，為深入的分析比較準備條件； 3、采用淘汰法逐步集中到1～2種類型，對五個方面因素要反復比較分析**終確定預選目標。遂寧流量儀表批發(fā)</p><p style="text-indent:25px">成都皖川科技有限公司擁有研發(fā)、銷售計算機軟硬件;計算機系統(tǒng)集成;銷售電子產品、儀器儀表、電氣設備、機械設備、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)星地面接收設備)、醫(yī)療器械(***一類)、實驗設備、化工產品(不含危險化學品)、五金交電、照明設備。等多項業(yè)務，主營業(yè)務涵蓋耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計。公司目前擁有專業(yè)的技術員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質的產品服務，深受員工與客戶好評。公司以誠信為本，業(yè)務領域涵蓋耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計，我們本著對客戶負責，對員工負責，更是對公司發(fā)展負責的態(tài)度，爭取做到讓每位客戶滿意。一直以來公司堅持以客戶為中心、耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計市場為導向，重信譽，保質量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2844010.html</p></div></div></div></div></div><div id="fj3ubne" class="page-right twoColRt"><div id="vzlsevh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="v2awn78" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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