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src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438575546875/674830.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b7qszwd" 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>陜西小巧型壓力變送器哪里買,壓力變送器</p><p><span>***更新：</span>2020-12-26 01:14:03</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="87ls2t3" 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="cgbuwya" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="auiugn8" class="box"><p><p> 壓力變送器輸出電流波動，也肯能與其現(xiàn)場工況有關(guān)。像是在管道中的壓力測量，應(yīng)重點檢查導(dǎo)壓管路，壓力變送器測量室內(nèi)是否有氣體(測量液體及蒸汽時)或液體(測量氣體時)；導(dǎo)壓管的伴熱溫度過高或過低，陜西小巧型壓力變送器哪里買，使被測介質(zhì)出現(xiàn)汽化或冷凝，都是造成壓力變送器輸出電流波動的原因之一，可通過排污閥進(jìn)行排放,或通過壓力變送器測量室的排空絲堵進(jìn)行排放。導(dǎo)壓管內(nèi)有雜質(zhì),污物出現(xiàn)似堵非堵狀態(tài)，也會造成壓力變送器輸出電流波動,解決辦法就是排污。壓力變送器輸出電流波動或不穩(wěn)定故障的排查，除上述原因外，同樣不能忽視與壓力變送器配套使用的儀表問題引發(fā)的波動。例如，配電器、安全柵故障，安裝專精振動大，有電磁干擾等問題，陜西小巧型壓力變送器哪里買，都有可能造成壓力變送器輸出電流的波動。擴散硅壓力變送器體積小、重量輕，陜西小巧型壓力變送器哪里買、安裝、調(diào)試、使用方便。陜西小巧型壓力變送器哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西小巧型壓力變送器哪里買,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438575546875/674830.png"></div><p> 壓力變送器問題分析歸納： </p> <p> 1、變送器要測量什么樣的壓力：先確定系統(tǒng)中要確認(rèn)測量壓力的zui大值，一般而言，需要選擇一個具有比zui大值還要大1.5倍左右的壓力量程的變送器。這主要是在許多系統(tǒng)中，尤其是水壓測量和加工處理中，有峰值和持續(xù)不規(guī)則的上下波動，這種瞬間的峰值能破壞壓力傳感器，持續(xù)的高壓力值或稍微超出變送器的標(biāo)定最大值會縮短傳感器的壽命，然而，由于這樣做會精度下降。于是，可以用一個緩沖器來降低壓力毛刺，但這樣會降低傳感器的響應(yīng)速度。所以在選擇變送器時，要充分考慮壓力范圍，精度與其穩(wěn)定性。 </p> <p> 2、什么樣的壓力介質(zhì)：我們要考慮的是壓力變送器所測量的介質(zhì),黏性液體、泥漿會堵上壓力接口，溶劑或有腐蝕性的物質(zhì)會不會破壞變送呂中與這些介質(zhì)直接接觸的材料。以上這些因素將決定是否選擇直接的隔離膜及直接與介質(zhì)接觸的材料。一般的壓力變送器的接觸介質(zhì)部分的材質(zhì)采用的是316不銹鋼,如果你的介質(zhì)對316不銹鋼沒有腐蝕性,那么基本上所有的壓力變送器都適合你對介質(zhì)壓力的測量.如果你的介質(zhì)對316不銹鋼有腐蝕性，那么我們就要采用化學(xué)密封起到保護(hù)壓力變送器,延長了壓力變送器的壽命. 陜西小巧型壓力變送器哪里買安裝時應(yīng)使變送器的壓力敏感件軸向垂直于重力方向，若安裝條件限制，應(yīng)安裝固定后調(diào)整變送器零位到標(biāo)準(zhǔn)值。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西小巧型壓力變送器哪里買,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438789843750/8741677.png"></div><p style="text-indent:25px">在選用壓力變送器之初，要對現(xiàn)場使用工況進(jìn)行分析，根據(jù)具體使用環(huán)境選擇適合的壓力變送器，還要采取適當(dāng)?shù)拇胧?，減少環(huán)境對壓力變送器的影響。壓力變送器穩(wěn)定性有定量指標(biāo)，在超過使用期后，需要重新進(jìn)行標(biāo)定，以確保壓力變送器的性能是否發(fā)生變化。在某些要求壓力變送器能長期使用而又不能輕易更換或標(biāo)定的場合，所選用的壓力變送器穩(wěn)定性要求更嚴(yán)格，要能夠經(jīng)受住長時間的考驗。壓力變送器穩(wěn)定性有著重要的意義，選擇高穩(wěn)定性的壓力變送器是非常有必要的。在高穩(wěn)定性能這個基礎(chǔ)前提下，才能制造出具有高準(zhǔn)確度、高可靠性等能力的壓力變送器。壓力變送器穩(wěn)定性對于生產(chǎn)的正常運行以及壽命的使用都有著重要的影響。</p><p> 壓力變送器常用選用方法壓力變送器的輸出信號與壓力變量之間有一給定的連續(xù)函數(shù)關(guān)系（通常為線性函數(shù)）。為了保證您挑選的變送器符合現(xiàn)場的使用要求，選型時有幾點需要注意的地方： </p> <p> 1、測量壓力的類型:壓力類型首要有表壓、絕壓、差壓等；表壓是指以大氣壓力為基準(zhǔn)，小于或大于大氣壓力的壓力；絕壓是指以肯定壓力零位為基準(zhǔn)，高于肯定壓力零位的壓力；差壓是指兩個壓力之間的差值。 </p> <p> 2、準(zhǔn)確度等級:變送器的測量誤差錯按精度等級來劃分，實際使用過程中，依據(jù)測量誤差的需求并本著適用經(jīng)濟(jì)的原則進(jìn)行挑選。 </p> <p> 3、體系的比較大過載:體系的比較大過載應(yīng)小于變送器的過載維護(hù)極限，否則會影響商品的運用壽命乃至損壞商品。2倍丈量規(guī)模的過載維護(hù)是我公司商品的規(guī)范裝備（也可依據(jù)客戶請求進(jìn)行定制）。 </p> <p> 4、測量范圍:一般按實際測量壓力為測量范圍的80%挑選。 </p> <p> <br /> 如果壓力變送器的電源小于7.5VDC，則應(yīng)檢查回路中是否有大的負(fù)載。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西小巧型壓力變送器哪里買,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439170791016/8261680.png"></div><p> 變送器需要多大的精度：決定精度的有，非線性，遲滯性，機電商務(wù)網(wǎng) 非重復(fù)性，溫度、零點偏置刻度，溫度的影響。但主要由非線性，遲滯性，非重復(fù)性，精度越高，價格也就越高。每一種電子式的測量計都會有精度誤差的,但是由于各個國家所標(biāo)的精度等級是不一樣的. </p> <p> 變送器的溫度范圍：通常一個變送器會標(biāo)定兩個溫度范圍，即正常操作的溫度范圍和溫度可補償?shù)姆秶?emsp;正常操作溫度范圍是指變送器在工作狀態(tài)下不被破壞的時候的溫度范圍，在超出溫度補范圍時，可能會達(dá)不到其應(yīng)用的性能指標(biāo)。溫度補償范圍是一個比操作溫度范圍小的典型范圍。在這個范圍內(nèi)工作，變送器肯定會達(dá)到其應(yīng)有的性能指標(biāo)。溫度變從兩方面影響著其輸出，一是零點漂移；二是影響滿量程輸出。如：滿量程的+/-X%/℃，讀數(shù)的+/-X%/℃，在超出溫度范圍時滿量程的+/-X%，在溫度補償范圍內(nèi)時讀數(shù)的+/-X%，如果沒有這些參數(shù)，會導(dǎo)至在使用中的不確定性。變送器輸出的變化到度是由壓力變化引起的，還是由溫度變化引起的。溫度影響是了解如何使用變送器時zui復(fù)雜的一部分。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)。陜西小巧型壓力變送器哪里買</p><p style="text-indent:25px">壓力變送器以其不錯的性能和較為親民的價格，在市場上獲得了較高的占有率。陜西小巧型壓力變送器哪里買</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。陜西小巧型壓力變送器哪里買</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2562051.html</p></div></div></div></div></div><div id="cxubiar" class="page-right twoColRt"><div id="fprj2ak" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mb887x7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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