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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="cvh2ir3" class="twoCol"><div id="slxr7mz" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_yaliyibiao/">壓力儀表</a>?<a href="http://www.cdcfah.com/cp/third-yaliyibiao_ylkzq/">壓力控制器</a>?吉林水暖管道壓力變送器推薦誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)</p><div id="oceliuy" class="leftbox clearfix"><h1>吉林水暖管道壓力變送器推薦誠信經(jīng)營西安倫騫電器設(shè)備供應(yīng)</h1><div id="p3tasj7" class="proBig"><div id="fy37id4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439832978516/8960542.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jmi273y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439832978516/8960542.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tgyfxjy" 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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>吉林水暖管道壓力變送器推薦,壓力變送器</p><p><span>***更新：</span>2020-09-06 00:29:17</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="3uldkhb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機: </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</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="kd2o2zv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xlnkmtv" class="box"><p><p> 壓力變送器的供電電壓： </p> <p> 在壓力變送器的使用過程中需要電源為其供電，通常情況下我們?nèi)粘Ｉ钪杏玫降碾妷簽?20V的交流電（AC），對于壓力變送器而言，需要連續(xù)輸出穩(wěn)定的信號，直流電(DC)在方向和大小上都是穩(wěn)定的，不會隨時間發(fā)生改變，交流電則恰恰相反，吉林水暖管道壓力變送器推薦，吉林水暖管道壓力變送器推薦。這就是大多數(shù)壓力變送器采用直流電的原因。錯誤的選擇壓力變送器的供電電壓，會損壞壓力變送器的電路板，這也是導(dǎo)致壓力變送器出現(xiàn)故障的主要原因之一。采用多大的供電電壓是壓力變送器的一個重要的問題。 </p> <p> 壓力變送器的常規(guī)供電電壓為12～36V DC,采用此范圍的供電電壓可以有效的避免因電壓過高造成損壞，選擇此范圍的供電電壓也比較符合現(xiàn)在主流設(shè)備，方便壓力變送器與其它設(shè)備系統(tǒng)進(jìn)行對接、組合使用。習(xí)慣上24V DC的供電電壓用在壓力變送器中應(yīng)用的比較多， 24V DC能夠適應(yīng)大多數(shù)傳輸和負(fù)載需求（帶 250Ω×2個負(fù)載和 1KM 傳輸距離），高了浪費低了應(yīng)用受限制，當(dāng)然如果有需要完全可以改變供電電壓，吉林水暖管道壓力變送器推薦。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 電流輸出是壓力變送器常用的一種信號輸出方式，這與它的性能特點有關(guān)。吉林水暖管道壓力變送器推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林水暖管道壓力變送器推薦,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439832978516/8960542.png"></div><p> 壓力變送器的噪聲現(xiàn)象 </p> <p> 壓力變送器的噪聲分為內(nèi)噪聲與外噪聲，其中內(nèi)噪聲又包括熱噪聲和散粒噪聲。什么是壓力變送器的噪聲，這對我們的現(xiàn)場使用又有什么影響，我們要怎樣進(jìn)行壓力變送器的降噪呢？ </p> <p> 熱噪聲:熱噪聲主要來源于壓力變送器自身，這種噪聲是不能被根除的，只能使用阻值小的電阻進(jìn)行配合使用，以此來降低熱噪聲的大小。還有，需注意的一點就是，壓力變送器的熱噪聲與頻帶寬這一要素有著密切聯(lián)系。因此，在壓力變送器熱噪聲的降低中，還可選擇窄頻帶放大器的方法。 </p> <p> 散粒噪聲:這一噪聲產(chǎn)生的原理在于帶電粒子在電極上引起電容效應(yīng)的過程。電容效應(yīng)包括電容放電和電流噪聲兩種情況，為了降低壓力變送器的散粒噪聲，可以使用窄頻帶的放大器。 </p> <p> 外噪聲:壓力變送器外噪聲指的是自然干擾或人為干擾形成的噪聲，外噪聲的來源主要包括雷電、電氣等等。同時，當(dāng)壓力變送器帶有公共電源時，電流的頻繁變化就會引起噪聲的產(chǎn)生。對于人為因素引起的壓力變送器噪聲，我們可以對這些變量進(jìn)行控制，但對于那些自然現(xiàn)象引起的外在噪聲，則是無法避免的。 </p> <p> 壓力變送器的噪聲會降低變送器的分辨率及測量精度，還會對控制系統(tǒng)產(chǎn)生影響。在壓力變送器的使用過程中需要多加注意。陜西經(jīng)濟型壓力變送器壓力變送器根據(jù)傳感器種類，可分為電容式壓力變送器、擴散硅壓力變送器、單晶硅壓力變送器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林水暖管道壓力變送器推薦,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439507441406/8167624.png"></div><p> 差壓變送器超量程故障排查方法： </p> <p> 差壓變送器是有固定量程范圍的，在量程范圍內(nèi)使用，差壓變送器性能才是正常的。在現(xiàn)場使用過程中，如果出現(xiàn)超量程的現(xiàn)象。這時候要怎么對差壓變送器進(jìn)行排查呢？ </p> <p> 1、根據(jù)控制室趨勢圖進(jìn)行分析故障原因，排查是否因工藝原因造成的壓力值偏差，誤判斷為儀表問題。如果為工藝原因，趨勢指示與壓力示值程緩慢變化趨勢，或根據(jù)工況有規(guī)律變化，如果是儀表問題，一般趨勢圖不程緩慢變化，變化幅度非常劇烈。2、如處理故障為超量程，首先對其進(jìn)行斷電，而后在送電進(jìn)行觀察，如果故障顯示仍然為超量程，那么測量一下電流值是否對應(yīng)其指示壓力值。3、參照比較差壓變送器現(xiàn)場顯示壓力，與就地指示壓力表顯示的壓力值進(jìn)行比較，并確認(rèn)測量管道是否有余壓。4、對差壓變送器進(jìn)行一次到兩次機械零點調(diào)整，故障仍然顯示為超量程，那么就要考慮是否為儀表本身的故障。5、差壓變送器自身故障情況分為兩種。情況一：變送器3大模塊有故障，情況二：變送器感壓膜片變形。6、如果差壓變送器在更換模塊后故障仍為超量程，那么終情況即為差壓變送器感壓膜片變形或者損壞。 </p><p> 擴散硅壓力變送器工作原理: </p> <p> 擴散硅壓力變送器是在單晶硅片上擴散一個惠斯通電橋，當(dāng)被測介質(zhì)的壓力直接作用于變送器的擴散硅膜片上，使得變送器的膜片產(chǎn)生與介質(zhì)壓力成正比的微小位移。正常工作狀態(tài)下，膜片較大位移不大于0.025毫米，這時擴散硅壓力變送器的橋壁電阻值發(fā)生變化，會產(chǎn)生一個差動電壓信號，這一信號經(jīng)過**放大器，將量程相對應(yīng)的信號轉(zhuǎn)換輸出一個標(biāo)準(zhǔn)的模擬信號或數(shù)字信號。 </p> <p> 硅的電阻率對壓力有較高的敏感度，現(xiàn)在普遍使用硅材料作壓力變送器，也就是擴散硅壓力變送器。擴散硅是制造壓力變送器的中心部件，被封裝在316L不銹鋼的材料之中，外加施壓通過不銹鋼膜片、內(nèi)部密封的硅油傳遞到敏感的芯片上，擴散硅敏感元件不直接接觸被測介質(zhì)，形成壓力測量的全固態(tài)結(jié)構(gòu)，使得擴散硅壓力變送器能夠應(yīng)用更多的工況場合。 </p> <p> 擴散硅壓力變送器作為一種高性能的壓力測量產(chǎn)品，可以很方便地進(jìn)行放大處理，裝配成標(biāo)準(zhǔn)信號輸出。擴散硅壓力變送器廣泛應(yīng)用于石油、化工、冶金、電力、航空、醫(yī)療設(shè)備、汽車等行業(yè)的過程控制。擴散硅壓力芯體外加氟橡膠O型圈進(jìn)行可靠密封。擴散硅壓力變送器具有結(jié)構(gòu)小巧、安裝方便，抗干擾強、精度高、穩(wěn)定性好、響應(yīng)速度快、耐沖擊等特點。常規(guī)的壓力變送器輸出信號有4～20mA電流輸出、0～10VDC、0.5～2.5VDC等電壓輸出和RS485數(shù)字輸出信號。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林水暖管道壓力變送器推薦,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439390527344/2017285.png"></div><p> 壓力表與壓力變送器的區(qū)別?小編特將兩者的概念介紹如下： </p> <p> 一、什么是壓力表? </p> <p> 壓力表一般直接裝在管道中，利用內(nèi)部的膨脹管感應(yīng)壓力，同時驅(qū)動齒輪機構(gòu)使指針轉(zhuǎn)動達(dá)到顯示壓力數(shù)值的效果。 </p> <p> 二、什么是壓力變送器? </p> <p> 壓力變送器一般用于工控自動化中。安裝在需要讀取壓力的地方，可能為管道或者某個存儲罐，將氣體、液體等壓力信號轉(zhuǎn)變?yōu)殡娏骰蛘唠妷盒盘?，這些電流或者電壓信號將提供給記錄儀、調(diào)節(jié)器、報警器等儀表，從而達(dá)到測量、記錄和調(diào)節(jié)的作用。 </p> <p> 可見壓力表和壓力變送器并非一個概念，各有其應(yīng)用領(lǐng)域及測量范圍. 壓力變送器以供給指示報警儀、記錄儀、調(diào)節(jié)器等二次儀表進(jìn)行測量、指示和過程調(diào)節(jié)。齊平膜壓力壓力變送器價格</p><p style="text-indent:25px">大氣壓力變送器的信號經(jīng)隔離放大，截頻干擾設(shè)計，抗干擾能力強。吉林水暖管道壓力變送器推薦</p><p> 壓力變送器的接觸材質(zhì)： </p> <p> 一般情況下壓力變送器的測量介質(zhì)為氣體和液體，但是有一點是必須重點注意的，就是壓力變送器的測量介質(zhì)不管是氣體還是液體，必須要與壓力變送器的接觸材質(zhì)兼容。 </p> <p> 壓力變送器與被測介質(zhì)接觸部分有膜片、過程連接等部分。壓力變送器的膜片、卡箍、螺紋、外殼選用的是質(zhì)量的304不銹鋼和316L不銹鋼材質(zhì)。也就是說，壓力變送器測量的介質(zhì)要與304或316L兼容。壓力變送器選擇使用的304不銹鋼，是不銹鋼中常見的一種材質(zhì)，密度為7.93 g/cm3，業(yè)內(nèi)也叫做18/8不銹鋼。耐高溫800℃，具有加工性能好，韌性高的特點。304不銹鋼地用于制作要求良好綜合性能的設(shè)備和機件。為了保持不銹鋼所固有的耐腐蝕性，鋼必須含有18%以上的鉻,8%以上的鎳含量。壓力變送器選用的316L不銹鋼因其優(yōu)異的耐腐蝕性在儀器儀表行業(yè)有著一定的應(yīng)用，316L也是屬于18-8型奧氏體不銹鋼的衍生鋼種，添加有2～3%的Mo元素。316L的Mo含量使得該鋼種擁有優(yōu)異的抗點蝕能力，市場上現(xiàn)有的316L大部分是按照美標(biāo)來生產(chǎn)的。316與304在化學(xué)成分上的主要區(qū)別就是Mo的含量，316的耐腐蝕性更好些，比304在高溫環(huán)境下更耐腐蝕。所以在高溫環(huán)境下，工程師更傾向于選擇316材料的零部件。吉林水暖管道壓力變送器推薦</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司致力于儀器儀表，以科技創(chuàng)新實現(xiàn)***管理的追求。西安倫騫電器作為智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計算機軟及軸助設(shè)備零售；環(huán)境監(jiān)測**儀器銷售；電氣設(shè)備銷售；機械設(shè)備銷售；電子元器件與機電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計量設(shè)備銷售；終端測試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(fā)；普通機械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測**儀器儀表制造；其他通用儀器制造；電子測量儀器化工。的企業(yè)之一，為客戶提供良好的雷達(dá)料位計，雷達(dá)物位計，壓力變送器，溫度變送器。西安倫騫電器致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。西安倫騫電器始終關(guān)注儀器儀表行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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