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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="1q6upk1" 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>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>眉山壓力變送器價格,壓力變送器</p><p><span>***更新：</span>2020-11-09 12:10:06</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="anxsc4g" 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="sytdflg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="11cx1bw" class="box"><p><p> <p> 壓力變送器的發(fā)展大體經(jīng)歷了四個階段： </p> <p> (1)早期壓力變送器采用大位移式工作原理，如**浮子式差壓計及膜盒式差壓變送器，這些變送器精度低且笨重。 </p> <p> (2)20世紀(jì)50年代有了精度稍高的力平衡式差壓變送器，但反饋力小，結(jié)構(gòu)復(fù)雜，可靠性、穩(wěn)定性和抗振性均較差。 </p> <p> (3)20世紀(jì)70年代中期，隨著新工藝，眉山壓力變送器價格、新材料，眉山壓力變送器價格、新技術(shù)的出現(xiàn)，尤其是電子技術(shù)的迅猛發(fā)展，出現(xiàn)體積小巧，結(jié)構(gòu)簡單的位移式變送器，眉山壓力變送器價格。 </p> <p> (4)20世紀(jì)90年代科學(xué)技術(shù)迅猛發(fā)展，變送器測量精度提高而且逐漸向智能化發(fā)展，數(shù)字信號傳輸更有利于數(shù)據(jù)采集，出現(xiàn)了擴(kuò)散硅壓阻式變送器、電容式變送器、差動電感式變送器和陶瓷電容式變送器等不同類型。 </p> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 眉山壓力變送器價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山壓力變送器價格,壓力變送器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107282658583984/7367381.jpg"></div><p> 正確使用 </p> <p> 壓力傳感器使用過程應(yīng)注意考慮下列情況： </p> <p> 1、防止變送器與腐蝕性或過熱的介質(zhì)接觸； </p> <p> 2、防止渣滓在導(dǎo)管內(nèi)沉積； </p> <p> 3、測量液體壓力時，取壓口應(yīng)開在流程管道側(cè)面，以避免沉淀積渣； </p> <p> 4、測量氣體壓力時，取壓口應(yīng)開在流程管道頂端，并且變送器也應(yīng)安裝在流程管道上部，以便積累的液體容易注入流程管道中； </p> <p> 5、導(dǎo)壓管應(yīng)安裝在溫度波動小的地方； </p> <p> 6、測量蒸汽或其它高溫介質(zhì)時，需接加緩沖管（盤管）等冷凝器，不應(yīng)使變送器的工作溫度超過極限； </p> <p> 7、冬季發(fā)生冰凍時，安裝在室外的變送器必需采取防凍措施，避免引壓口內(nèi)的液體因結(jié)冰體積膨脹，導(dǎo)至傳感器損壞； </p> <p> 8、測量液體壓力時，變送器的安裝位置應(yīng)避免液體的沖擊（水錘現(xiàn)象），以免傳感器過壓損壞； </p> <p> 9、接線時，將電纜穿過防水接頭（附件）或繞性管并擰緊密封螺帽，以防雨水等通過電纜滲漏進(jìn)變送器殼體內(nèi)。眉山壓力變送器價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山壓力變送器價格,壓力變送器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107273171464844/8208221.jpg"></div><p> 一般情況下，按實際測量壓力為測量范圍的80%選取。 </p> <p> 要考慮系統(tǒng)的比較大壓力。一般來說，壓力變送器器壓力范圍比較大值應(yīng)該達(dá)到系統(tǒng)比較大壓力值的1．5倍。一些水壓和過程控制，有壓力尖峰或者連續(xù)的脈沖。這些尖峰可能會達(dá)到“比較大”壓力的5倍甚至10倍，可能造成變送器的損壞。連續(xù)的高壓脈沖，接近或者超過變送器的比較大額定壓力，會縮短變送器的實用壽命。但提高變送器額定壓力會**變送器的分辨率。可以在系統(tǒng)中使用緩沖器來減弱尖峰，這會降低傳感器的響應(yīng)速度。 </p> <p> 壓力變送器一般設(shè)計成能在2億個周期中承受比較大壓力而不會降低性能。在選擇變送器時可在系統(tǒng)性能與變送器壽命之間找到一個折中的解決方案。 </p><p> 檢查安裝孔的尺寸：如果安裝孔的尺寸不合適，傳感器在安裝過程中，其螺紋部分就很容易受到磨損。這不僅會影響設(shè)備的密封性能，而且使壓力傳感器不能充分發(fā)揮作用，甚至還可能產(chǎn)生安全***。只有合適的安裝孔才能夠避免螺紋的磨損（螺紋工業(yè)標(biāo)準(zhǔn)1/2-20 </p> <p> UNF 2B），通常可以采用安裝孔測量儀對安裝孔進(jìn)行檢測，以做出適當(dāng)?shù)恼{(diào)整。 </p> <p> 保持安裝孔的清潔：保持安裝孔的清潔并防止熔料堵塞對保證設(shè)備的正常運行來說十分重要。在擠出機(jī)被清潔之前，所有的壓力傳感器都應(yīng)該從機(jī)筒上拆除以避免損壞。在拆除傳感器時，熔料有可能流入到安裝孔中并硬化，如果這些殘余的熔料沒有被去除，當(dāng)再次安裝傳感器時就可能造成其頂部受損。清潔工具包能夠?qū)⑦@些熔料殘余物去除。然而，重復(fù)的清潔過程有可能加深安裝孔對傳感器造成的損壞。如果這種情況發(fā)生，就應(yīng)當(dāng)采取措施來升高傳感器在安裝孔中的位置。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山壓力變送器價格,壓力變送器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107282442158203/4857169.jpg"></div><p style="text-indent:25px">壓力變送器的主要作用把壓力信號傳到電子設(shè)備，進(jìn)而在計算機(jī)顯示壓力其原理大致是：將水壓這種壓力的力學(xué)信號轉(zhuǎn)變成電流（4-20mA）這樣的電子信號壓力和電壓或電流大小成線性關(guān)系，一般是正比關(guān)系。所以，變送器輸出的電壓或電流隨壓力增大而增大由此得出一個壓力和電壓或電流的關(guān)系式壓力變送器的被測介質(zhì)的兩種壓力通入高、低兩壓力室，低壓室壓力采用大氣壓或真空，作用在δ元（即敏感元件）的兩側(cè)隔離膜片上，通過隔離片和元件內(nèi)的填充液傳送到測量膜片兩側(cè)。眉山壓力變送器價格</p><p style="text-indent:25px">眉山壓力變送器價格</p><p style="text-indent:25px">儀器儀表是用以檢出、測量、觀察、計算各種物理量、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、測長儀、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)營狀況的好轉(zhuǎn)，我國儀器儀表制造業(yè)發(fā)展一路向好。儀器儀表在工業(yè)生產(chǎn)過程中扮演著重要的角色，用到各種各樣的儀器儀表，如耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計等為工業(yè)的檢驗、測量和計量提供技術(shù)支撐。中國儀器儀表行業(yè)目前正處于高速發(fā)展階段，需要與之相適應(yīng)的研發(fā)、銷售計算機(jī)軟硬件;計算機(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)、實驗設(shè)備、化工產(chǎn)品(不含危險化學(xué)品)、五金交電、照明設(shè)備。產(chǎn)品營銷模式相互配合?！盎ヂ?lián)網(wǎng)＋”、大數(shù)據(jù)、020、萬物互聯(lián)網(wǎng)、P2P、分享經(jīng)濟(jì)等熱門詞匯的出現(xiàn)，各個行業(yè)制定相應(yīng)的措施來順應(yīng)時代的經(jīng)濟(jì)發(fā)展，以爭取更大的發(fā)展市場。而互聯(lián)網(wǎng)的出現(xiàn)也為儀器儀表行業(yè)參與國際競爭提供了機(jī)會，有利于銷售企業(yè)實現(xiàn)技術(shù)創(chuàng)新升級。眉山壓力變送器價格</p><p style="text-indent:25px">成都皖川科技有限公司是一家研發(fā)、銷售計算機(jī)軟硬件;計算機(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)、實驗設(shè)備、化工產(chǎn)品(不含危險化學(xué)品)、五金交電、照明設(shè)備。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。成都皖川科技作為研發(fā)、銷售計算機(jī)軟硬件;計算機(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)、實驗設(shè)備、化工產(chǎn)品(不含危險化學(xué)品)、五金交電、照明設(shè)備。的企業(yè)之一，為客戶提供良好的耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計。成都皖川科技始終以本分踏實的精神和必勝的信念，影響并帶動團(tuán)隊取得成功。成都皖川科技創(chuàng)始人朱成生，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1917598.html</p></div></div></div></div></div><div id="v6r16wc" class="page-right twoColRt"><div id="lgizypd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sq9qpk1" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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