電子式變送器生產(chǎn)廠信息推薦上海翼爾電子科技供應(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="差壓變送器是測(cè)量工藝管道或罐體中介質(zhì)的壓力差，并且通過數(shù)據(jù)的轉(zhuǎn)換、開方將測(cè)量的差壓值轉(zhuǎn)換成電流信號(hào)輸出。選擇差壓變送器需要知道如下的參數(shù)：1、差壓值;2、介質(zhì);3、介質(zhì)的工作壓力;4、介質(zhì)的工作溫度;5、是智能還是模擬。差壓變送器實(shí)際的工藝"><meta name="keywords" content="電子式變送器生產(chǎn)廠,器"><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"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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</span><div id="pt8q32z" class="searchbox"><div id="wiahjv9" class="searchLt"><div id="ycjvczd" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="u2ghjlk" class="clearfix searchWrap"><div id="p97npb2" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="uqhj2rl" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a 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class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407043363604969/6937836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d22ardp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407043363604969/6937836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="negf7vx" 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>電子式變送器生產(chǎn)廠,器</p><p><span>***更新：</span>2021-01-26 05:19:26</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="cry2x2y" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翼爾電子科技有限公司</a></p><p><span>聯(lián)系人：</span>趙“S</p><p><span>郵箱: </span>yeertec@163.com</p><p><span>電話: </span>13361991561</p><p><span>傳真: </span>021_57155131</p><p><span>網(wǎng)址: </span>http://www.yeer-tec.com</p><p><span>手機(jī): </span>021-57488360</p><p><span>地址: </span>海灣旅游區(qū)莘奉公路4960號(hào)110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="3yfulho" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="et3i3oa" class="box"><p><p style="text-indent:25px">差壓變送器是測(cè)量工藝管道或罐體中介質(zhì)的壓力差，并且通過數(shù)據(jù)的轉(zhuǎn)換、開方將測(cè)量的差壓值轉(zhuǎn)換成電流信號(hào)輸出。選擇差壓變送器需要知道如下的參數(shù)：1、差壓值;2、介質(zhì);3、介質(zhì)的工作壓力;4、介質(zhì)的工作溫度;5、是智能還是模擬。差壓變送器實(shí)際的工藝情況：①要看介質(zhì)的物化性質(zhì)及潔凈程度，開始選常規(guī)的差壓變送器及浮筒式液位變送器，還要對(duì)接觸介質(zhì)部分的材質(zhì)進(jìn)行選擇；② 對(duì)有些懸浮物、泡沫等介質(zhì)可用單法蘭式差壓變送器。有些易析出、易結(jié)晶的用插入式雙法蘭差壓變送器；③考慮被測(cè)對(duì)象是屬于哪一類設(shè)備。如槽，電子式變送器生產(chǎn)廠，電子式變送器生產(chǎn)廠、罐類，槽的容積較小，測(cè)量的范圍不會(huì)太大，罐的容積較大，測(cè)量的范圍可能較大；④對(duì)高黏度介質(zhì)的液位及高壓設(shè)備的液位，由于設(shè)備無法開孔，電子式變送器生產(chǎn)廠，可選用射頻液位計(jì)來測(cè)量。隔離型壓力變送器選用盡量是選用螺紋連接形式的。電子式變送器生產(chǎn)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子式變送器生產(chǎn)廠,器" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407043363604969/6937836.png"></div><p style="text-indent:25px">壓力變送器的主要作用把壓力信號(hào)傳到電子設(shè)備，進(jìn)而在計(jì)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(hào)轉(zhuǎn)變成電流（4-20mA）這樣的電子信號(hào)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(gè)壓力和電壓或電流的關(guān)系式壓力變送器的被測(cè)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(cè)量膜片兩側(cè)。壓力變送器是由測(cè)量膜片與兩側(cè)絕緣片上的電極各組成一個(gè)電容器。當(dāng)兩側(cè)壓力不一致時(shí)，致使測(cè)量膜片產(chǎn)生位移，其位移量和壓力差成正比，故兩側(cè)電容量就不等，通過振蕩和解調(diào)環(huán)節(jié)，轉(zhuǎn)換成與壓力成正比的信號(hào)。電子式變送器生產(chǎn)廠變送器遵循一個(gè)物理定律（或?qū)嶒?yàn)數(shù)學(xué)模型）將物理量的變化轉(zhuǎn)化成4-20mA等標(biāo)準(zhǔn)信號(hào)的裝置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子式變送器生產(chǎn)廠,器" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407043551817929/3389046.png"></div><p style="text-indent:25px">變送器超時(shí)工作后需要保持穩(wěn)定度：大部分變送器在經(jīng)過超時(shí)工作后會(huì)產(chǎn)生“漂移”，因此很有必要在購買前了解變送器的穩(wěn)定度，這種預(yù)先的工作能減少將來使用中會(huì)出現(xiàn)的種種麻煩。變送器的封裝：變送器的封裝，尤其往往容易忽略是它的機(jī)架，然而這一點(diǎn)在以后使用中會(huì)逐漸暴露出其缺點(diǎn)。在選購傳送器傳一定要考慮到將來變送器的工作環(huán)境，濕度如何，怎樣安裝變送器，會(huì)不會(huì)有強(qiáng)烈的撞擊或振動(dòng)等。在變送器與其它電子設(shè)備間采用怎樣的連接：是否需要采用短距離連接，若是采用長距離連接，是否需要采用一個(gè)連接器。</p><p style="text-indent:25px">熱電偶溫度變送器一般由基準(zhǔn)源、冷端補(bǔ)償、放大單元、線性化處理、V/I轉(zhuǎn)換、斷偶處理、反接保護(hù)、限流保護(hù)等電路單元組成。它是將熱電偶產(chǎn)生的熱電勢(shì)經(jīng)冷端補(bǔ)償放大后，再帽由線性電路消除熱電勢(shì)與溫度的非線性誤差，然后放大轉(zhuǎn)換為4～20mA電流輸出信號(hào)。為防止熱電偶測(cè)量中由于電偶斷絲而使控溫失效造成事故，變送器中還設(shè)有斷電保護(hù)電路。當(dāng)熱電偶斷絲或接解不良時(shí)，變送器會(huì)輸出比較大的值（28mA）以使儀表切斷電源。一體化溫度變送器具有結(jié)構(gòu)簡單、節(jié)省引線、輸出信號(hào)大、抗干擾能力強(qiáng)、線性好、顯示儀表簡單、固體模塊抗震防潮、有反接保護(hù)和限流保護(hù)、工作可靠等優(yōu)點(diǎn)。差壓變送器用于防止管道中的介質(zhì)直接進(jìn)入變送器里，感壓膜片與變送器之間靠注滿流體的毛細(xì)管連接起來。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子式變送器生產(chǎn)廠,器" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407043437804224/6860083.png"></div><p style="text-indent:25px">差壓變送器檢測(cè)法：1) 斷路檢測(cè)：將懷疑有故障的部分與其它部分分開來，查看故障是否消失，如果消失，則確定故障所在，否則可進(jìn)下步查找，如：智能差壓變送器不能正常Hart遠(yuǎn)程通訊，可將電源從表體上斷開，用現(xiàn)場另加電源的方法為變送器通電進(jìn)行通訊，以查看是否電纜是否疊加約2kHz的電磁信號(hào)而干擾通訊。2) 短路檢測(cè)：在保證安全的情況下，將相關(guān)部分回路直接短接，如：差變送器輸出值偏小，可將導(dǎo)壓管斷開，從一次取壓閥外直接將差壓信號(hào)直接引到差壓變送器雙側(cè)，觀察變送器輸出，以判斷導(dǎo)壓管路的堵、漏的連通性。3) 替換檢測(cè)：將懷疑有故障的部分更換，判斷故障部位。如：懷疑變送器電路板發(fā)生故障，可臨時(shí)更換一塊，以確定原因。4)分部檢測(cè)：將測(cè)量回路分割成幾個(gè)部分，如：供電電源、信號(hào)輸出、信號(hào)變送、信號(hào)檢測(cè)，按分部分檢查，由簡至繁，由表及里，縮小范圍，找出故障位置。壓力變送器和差壓變送器單從名詞上講測(cè)量的是壓力和兩個(gè)壓力的差。單法蘭差壓變送器生產(chǎn)</p><p style="text-indent:25px">當(dāng)信號(hào)變換器與傳感器做成一體時(shí)，就成為變送器。電子式變送器生產(chǎn)廠</p><p style="text-indent:25px">在安裝使用壓力變送器前應(yīng)詳細(xì)閱讀產(chǎn)品樣本及使用說明書，安裝時(shí)壓力接口不能泄露，確保量程及接線正確。壓力傳感器及變送器的外殼一般需接地，信號(hào)電纜線不得與動(dòng)力電纜混合鋪設(shè)，傳感器及變送器周圍應(yīng)避免有強(qiáng)電磁干擾。日常維護(hù)：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(huì)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)生安全隱患。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)1/2-20UNF2B），通?？梢圆捎冒惭b孔測(cè)量儀對(duì)安裝孔進(jìn)行檢測(cè)，以做出適當(dāng)?shù)恼{(diào)整。電子式變送器生產(chǎn)廠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3014564.html</p></div></div></div></div></div><div id="bq77s4r" class="page-right twoColRt"><div id="ynu2utp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wqncik8" 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" 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