壓力開(kāi)關(guān)哪里買誠(chéng)信經(jīng)營(yíng) 上海油威液壓成套設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電子壓力開(kāi)關(guān)安裝在管道中的注意事項(xiàng)：1.電子壓力開(kāi)關(guān)需要在管道中測(cè)量介質(zhì)時(shí)，由于管道中的介質(zhì)都為液體或油性介質(zhì)，所以為了保證密封性能，在進(jìn)行壓力開(kāi)關(guān)與管道的連接時(shí)，應(yīng)采用輔助工具將螺栓均勻擰緊，避免泄露現(xiàn)象的發(fā)生。2.電子壓力開(kāi)關(guān)在測(cè)試時(shí)，"><meta name="keywords" content="壓力開(kāi)關(guān)哪里買,電子"><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"> 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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="hvc3y3p" class="twoCol"><div id="jcuw2mj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機(jī)械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機(jī)械及組配件</a>?壓力開(kāi)關(guān)哪里買誠(chéng)信經(jīng)營(yíng) 上海油威液壓成套設(shè)備供應(yīng)</p><div id="cw8xjgn" class="leftbox clearfix"><h1>壓力開(kāi)關(guān)哪里買誠(chéng)信經(jīng)營(yíng) 上海油威液壓成套設(shè)備供應(yīng)</h1><div id="7xbdfmn" class="proBig"><div id="18bf8gi" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252637996595/625671.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="et7pmtu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252637996595/625671.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jipmi8r" 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>壓力開(kāi)關(guān)哪里買,電子</p><p><span>***更新：</span>2021-02-03 10:15:24</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="az87txy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海油威液壓成套設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>楊海</p><p><span>郵箱: </span>69800595@qq.com</p><p><span>電話: </span>15821141338</p><p><span>傳真: </span>021_33656072</p><p><span>網(wǎng)址: </span>http://koto-sh.com.cn</p><p><span>手機(jī): </span>021-33656071</p><p><span>地址: </span>金海公路3265號(hào)18幢7層</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="xmoq22k" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="j8rof7j" class="box"><p><p style="text-indent:25px">電子壓力開(kāi)關(guān)安裝在管道中的注意事項(xiàng)：1.電子壓力開(kāi)關(guān)需要在管道中測(cè)量介質(zhì)時(shí)，由于管道中的介質(zhì)都為液體或油性介質(zhì)，所以為了保證密封性能，在進(jìn)行壓力開(kāi)關(guān)與管道的連接時(shí)，應(yīng)采用輔助工具將螺栓均勻擰緊，避免泄露現(xiàn)象的發(fā)生。2.電子壓力開(kāi)關(guān)在測(cè)試時(shí)，務(wù)必要保證管道中存在介質(zhì)，不能在管道為空的情況下運(yùn)行壓力開(kāi)關(guān)，壓力開(kāi)關(guān)哪里買，壓力開(kāi)關(guān)哪里買。3.對(duì)于液體的介質(zhì)，電子壓力開(kāi)關(guān)采用垂直安裝的方式。4.電子壓力開(kāi)關(guān)的安裝位置周圍確保有足夠的空間，壓力開(kāi)關(guān)哪里買，以便日后的安裝和維護(hù)；當(dāng)測(cè)量管道兩側(cè)有振動(dòng)源存在時(shí)，要注意在電子壓力開(kāi)關(guān)的底部安裝固定支架。電子壓力開(kāi)關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。壓力開(kāi)關(guān)哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壓力開(kāi)關(guān)哪里買,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252637996595/625671.png"></div><p style="text-indent:25px">電子壓力傳感器是使用較為普遍的一種傳感器。傳統(tǒng)的壓力傳感器以機(jī)械結(jié)構(gòu)型的器件為主，以彈性元件的形變指示壓力，但這種結(jié)構(gòu)尺寸大、質(zhì)量重，不能提供電學(xué)輸出。隨著半導(dǎo)體技術(shù)的發(fā)展，半導(dǎo)體壓力傳感器也應(yīng)運(yùn)而生。其特點(diǎn)是體積小、質(zhì)量輕、準(zhǔn)確度高、溫度特性好。特別是隨著MEMS技術(shù)的發(fā)展，半導(dǎo)體傳感器向著微型化發(fā)展，而且其功耗小、可靠性高。在選擇電子壓力傳感器的時(shí)候我們要考慮他的綜合精度，而壓力傳感器的精度受哪些方面的影響呢?其實(shí)造成傳感器誤差的因素有很多，我們注意說(shuō)無(wú)法避免的誤差。壓力開(kāi)關(guān)哪里買電子壓力開(kāi)關(guān)是市場(chǎng)上這幾年比較流行的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壓力開(kāi)關(guān)哪里買,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252961101591/8662460.png"></div><p style="text-indent:25px">電子渦街流量傳感器主要用于工業(yè)管道介質(zhì)流體的流量測(cè)量，如氣體、液體、蒸氣等多種介質(zhì)。其特點(diǎn)是壓力損失小，量程范圍大，精度高，在測(cè)量工況體積流量時(shí)幾乎不受流體密度、壓力、溫度、粘度等參數(shù)的影響。無(wú)可動(dòng)機(jī)械零件，因此可靠性高，維護(hù)量小。儀表參數(shù)能長(zhǎng)期穩(wěn)定。渦街流量傳感器采用壓電應(yīng)力式傳感器，可靠性高，可在-20℃～+250℃的工作溫度范圍內(nèi)工作。有模擬標(biāo)準(zhǔn)信號(hào)，也有數(shù)字脈沖信號(hào)輸出，容易與計(jì)算機(jī)等數(shù)字系統(tǒng)配套使用，是一種比較先進(jìn)、理想的測(cè)量?jī)x器。電子渦街流量傳感器是基于卡門渦街原理研制出來(lái)的。在流體中設(shè)置三角柱型旋渦發(fā)生體，則從旋渦發(fā)生體兩側(cè)交替地產(chǎn)生有規(guī)則的旋渦，這種旋渦稱為卡門旋渦。</p><p style="text-indent:25px">電子渦流流量計(jì)的結(jié)構(gòu)：電子渦流流量計(jì)的基本結(jié)構(gòu)，流量脊由外殼、渦流發(fā)生器和頻率檢測(cè)元件等組成。渦流發(fā)生器的下端沿樅向自由支撐，上端固定在外殼的孔內(nèi)，通過(guò)密封圈再用壓板予以固定。在渦流發(fā)生器的內(nèi)部裝有壓電元件，用來(lái)通過(guò)體內(nèi)的應(yīng)力變化檢測(cè)出渦流的頻率。渦流發(fā)生器與流體接觸部分的截面為梯形，這種形狀能使流速與渦流的頻率具有良好的線性。當(dāng)渦流發(fā)生時(shí)，其內(nèi)部將產(chǎn)生一定的應(yīng)力，這種應(yīng)力經(jīng)壓電元件檢測(cè)后，用電路對(duì)得到的信號(hào)進(jìn)行處理，從而得到跟渦流頻率對(duì)應(yīng)的脈沖頻率，較終以模擬電壓的形式輸出。電子渦流頻率的檢測(cè)方法有許多種，可利用加熱體的冷卻方法來(lái)檢測(cè)渦流非生產(chǎn)性器周圍和內(nèi)部流體流動(dòng)的周期變化，也可以通過(guò)個(gè)種傳感器檢測(cè)流體振動(dòng)所產(chǎn)生的力的周期變化。電子壓力開(kāi)關(guān)的可靠性比較高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壓力開(kāi)關(guān)哪里買,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252946277251/5689192.png"></div><p style="text-indent:25px">電子流量開(kāi)關(guān)的注意事項(xiàng)：電子流量開(kāi)關(guān)是利用傳播擴(kuò)散特性,在封閉的探頭內(nèi)放置發(fā)熱模塊及感溫模塊,探頭的熱傳溫差值與被測(cè)量介質(zhì)流速密切相關(guān)，當(dāng)管道內(nèi)介質(zhì)以穩(wěn)定的流速流動(dòng)時(shí)，感應(yīng)模塊接收到發(fā)熱模塊感測(cè)的是一個(gè)固定值。當(dāng)流過(guò)探頭的流速發(fā)生變化時(shí)，感熱模塊會(huì)傳出隨之變化的溫差信號(hào)，經(jīng)過(guò)處理器將對(duì)應(yīng)流速的結(jié)果輸出。主要適用于石油化工、電力、冶金、鋼廠、造紙、食品加工、水處理、電池廠等行業(yè)。液壓兩用型，可用于氣動(dòng)和液壓系統(tǒng)，循環(huán)水、切割液及潤(rùn)滑油的斷流檢測(cè)，以及泵的空轉(zhuǎn)保護(hù)。電子壓力開(kāi)關(guān)的靈敏度也是比較高的。壓力開(kāi)關(guān)哪里買</p><p style="text-indent:25px">電子渦街流量傳感器的使用是比較多的。壓力開(kāi)關(guān)哪里買</p><p style="text-indent:25px">目前使用的壓力開(kāi)關(guān)存在如下問(wèn)題：（1）工作不可靠在對(duì)進(jìn)站壓力開(kāi)關(guān)進(jìn)行校驗(yàn)時(shí)多次發(fā)現(xiàn)，當(dāng)給定壓力低于設(shè)定壓力時(shí)，壓力開(kāi)關(guān)仍不動(dòng)作，當(dāng)用物體敲擊時(shí)又恢復(fù)正常。（2）誤動(dòng)作用戶反應(yīng)曾多次發(fā)生當(dāng)管線內(nèi)壓力產(chǎn)生輕微波動(dòng)時(shí)造成甩泵。致使某些壓力開(kāi)關(guān)長(zhǎng)期不能投用，使輸油泵失去應(yīng)有的保護(hù)，帶來(lái)不安全因素。（3）精度低、校準(zhǔn)難在校驗(yàn)時(shí)需反復(fù)進(jìn)行試驗(yàn)才能確定設(shè)定值。（4）密閉流程解除后由于進(jìn)站壓力較低，使壓力開(kāi)關(guān)無(wú)法使用。為解決現(xiàn)有壓力開(kāi)關(guān)存在的這些問(wèn)題，研制高可靠性、高精度和智能電子壓力開(kāi)關(guān)十分必要。壓力開(kāi)關(guān)哪里買</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3142676.html</p></div></div></div></div></div><div id="gqheb2s" class="page-right twoColRt"><div id="rgsuwdp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3t8agip" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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