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</a></p></div></div><div id="vjvnp3e" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oc3hzbn" class="box"><p><p> 壓力變送器輸出電流波動(dòng)或不穩(wěn)定故障: </p> <p> 壓力變送器在使用過程中會(huì)遇到輸出電流波動(dòng)或不穩(wěn)定的狀況。我們要如何進(jìn)行這種故障的維修呢？我們就結(jié)合壓力變送器輸出電流波動(dòng)或不穩(wěn)定的現(xiàn)象，數(shù)顯壓力變送器廠家供應(yīng)，來對(duì)壓力變送器進(jìn)行分析處理。壓力變送器輸出電流波動(dòng)，在DCS顯示曲線上是可以明顯地看到的。在進(jìn)行故障排查的時(shí)候，可以先將控制系統(tǒng)切換至手動(dòng)觀察波動(dòng)情況。如果測量曲線波動(dòng)仍很頻繁,應(yīng)該是工藝的原因。如果波動(dòng)減少了，則可能是壓力變送器的原因或PID參數(shù)整定不當(dāng)引起。壓力變送器輸出電流波動(dòng)很明顯，顯示時(shí)有時(shí)無，時(shí)高時(shí)低時(shí)，應(yīng)重點(diǎn)檢查測量回路的連接情況。認(rèn)真排查接線端子的螺釘有沒有松動(dòng)、氧化、腐蝕而造成接觸不良，數(shù)顯壓力變送器廠家供應(yīng)。如果懷疑壓力變送器有問題，數(shù)顯壓力變送器廠家供應(yīng)，可以在有流量或壓力的狀態(tài)下，把三閥組或取樣閥關(guān)閉,使變送器保持一個(gè)固定的差壓或壓力，觀察變送器的輸出電流是否穩(wěn)定,如果電流仍不穩(wěn)定則變送器有故障或有干擾。 </p> <p> <br /> </p> <p> <br /> 擴(kuò)散硅壓力變送器不銹鋼全封閉外殼，防水好。數(shù)顯壓力變送器廠家供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="數(shù)顯壓力變送器廠家供應(yīng),壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438873701172/3612278.png"></div><p> 壓力變送器的溫度范圍介紹 </p> <p> 在壓力變送器購買與應(yīng)用時(shí)，有多種多樣的技術(shù)參數(shù)需要我們了解。如果忽略了其中的一些信息，很容易造成壓力變送器的損壞。像是，壓力變送器應(yīng)用的管路溫度過高，而壓力變送器的實(shí)際使用溫度范圍在-40～80℃，如果我們對(duì)壓力變送器的使用溫度范圍有了解，會(huì)在現(xiàn)場工況中添加緩沖管，用于散熱，防止高溫對(duì)壓力變送器進(jìn)行沖擊，確保壓力變送器的使用壽命。通常情況下壓力變送器會(huì)有兩個(gè)溫度段的標(biāo)定。其中一個(gè)溫度段是正常工作溫度，另外一個(gè)是溫度補(bǔ)償范圍。正常工作溫度范圍是指變送器在工作狀態(tài)下，不被破壞的時(shí)候的溫度范圍，在超出溫度補(bǔ)償范圍時(shí)可能會(huì)達(dá)不到其應(yīng)有的性能指標(biāo)。溫度補(bǔ)償范圍是一個(gè)比工作溫度范圍小的典型范圍。在這個(gè)范圍內(nèi)工作變送器肯定會(huì)達(dá)到其應(yīng)有的性能指標(biāo)。 </p> <p> <br /> 陜西煙塵治理壓力變送器聯(lián)系方式變送器的輸出信號(hào)傳輸?shù)街锌厥疫M(jìn)行壓力指示、記錄或控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="數(shù)顯壓力變送器廠家供應(yīng),壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439053603516/4341137.png"></div><p> 壓力變送器的特殊類型： </p> <p> 壓力變送器是整個(gè)變送器行業(yè)zui主要的類型之一，這是壓力變送器應(yīng)用廣、功能性強(qiáng)等特點(diǎn)影響的。壓力變送器能夠?qū)?、液、原油等介質(zhì)進(jìn)行測量，廣泛應(yīng)用關(guān)于各工業(yè)領(lǐng)域之中。也正是因?yàn)槿绱?，壓力變送器的?xì)分種類也很多，不同類型壓力變送器的特點(diǎn)也不同。 </p> <p> 防爆型壓力變送器，是具有防爆功能的變送器，常見的防爆類型有本安防爆和隔離防爆。如果您的工作現(xiàn)場具有一定的危險(xiǎn)性，就必須選擇防爆型壓力變送器，例如石油、天然氣、化工行業(yè)等。 </p> <p> 防水型壓力變送器，我們都知道一般情況下壓力變送器的應(yīng)用場合不能有冷凝和結(jié)露現(xiàn)象的產(chǎn)生，如果現(xiàn)場環(huán)境潮濕，很容易造成壓力變送器內(nèi)部進(jìn)水，導(dǎo)致電路板的燒毀，壓力變送器無法正常使用。防水型壓力變送器就是針對(duì)這種特殊場合進(jìn)行設(shè)計(jì)的。其特別的設(shè)計(jì)結(jié)構(gòu)能夠使壓力變送器的防護(hù)等級(jí)到達(dá)IP68，這是防水等級(jí)標(biāo)準(zhǔn)的zui gao ji別。 </p> <p> 衛(wèi)生型壓力變送器，在一些特殊行業(yè)比如醫(yī)療、制藥和食品行業(yè)，我們不僅需要壓力變送器對(duì)生產(chǎn)流程進(jìn)行壓力檢測，還要確保整個(gè)環(huán)境的衛(wèi)生與清潔。采用316L不銹鋼耐腐蝕性強(qiáng)，平膜型的設(shè)計(jì)結(jié)構(gòu)易清理，解決了很多對(duì)衛(wèi)生環(huán)境有特殊要求工況的難題。 </p><p> 防爆型壓力變送器介紹： </p> <p> 防爆型壓力變送器是通過被測的氣體或者液體的施壓，使得防爆壓力變送器的電阻值發(fā)生變化（電阻效應(yīng)），將測量的相對(duì)應(yīng)的信號(hào)轉(zhuǎn)化成相對(duì)應(yīng)的4~20mA輸出信號(hào)或者帶HART協(xié)議的數(shù)字信號(hào)以進(jìn)行通訊。防爆型壓力變送器安全防爆，可廣泛應(yīng)用于石化、電力、冶金、制藥、食品加工等行業(yè)。 </p> <p> 防爆型壓力變送器應(yīng)用的性危險(xiǎn)場所可分為0區(qū)、1區(qū)和2區(qū)。所謂0區(qū)是指在正常情況下，性氣體混合物連續(xù)的或長時(shí)間地存在的場所；1區(qū)是指在正常情況下，性氣體混合物有可能出現(xiàn)的場所，2區(qū)指的是在正常情況下，性氣體不可能出現(xiàn)或即使出現(xiàn)也只是短暫時(shí)間存在的場所。對(duì)于防爆型壓力變送器來說，對(duì)0區(qū)的防爆要求是為嚴(yán)格的。壓力變送器可以是本安型、隔爆型，需要注意的是，不管什么形式的防爆型壓力變送器，均需要有國家防爆檢測部門的核實(shí)、取得相關(guān)防爆證書方可使用。 </p> <p> 防爆型壓力變送器中本安型需要配合安全柵才能在有性混合物的危險(xiǎn)場所使用。安全柵是靠控制能量來達(dá)到防爆規(guī)定的。本質(zhì)安全型防爆壓力變送器為了安全起見，應(yīng)區(qū)別本質(zhì)安全回路及非本質(zhì)安全回路，把本質(zhì)安全回路的接線與其它的電氣回路的接線分開走線。變送器在線路設(shè)計(jì)和工藝裝配質(zhì)量上要求都十分嚴(yán)格。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="數(shù)顯壓力變送器廠家供應(yīng),壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438938095703/4859570.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(jī)電商務(wù)網(wǎng) 非重復(fù)性，溫度、零點(diǎn)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(jià)格也就越高。每一種電子式的測量計(jì)都會(huì)有精度誤差的,但是由于各個(gè)國家所標(biāo)的精度等級(jí)是不一樣的. </p> <p> 變送器的溫度范圍：通常一個(gè)變送器會(huì)標(biāo)定兩個(gè)溫度范圍，即正常操作的溫度范圍和溫度可補(bǔ)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(shí)候的溫度范圍，在超出溫度補(bǔ)范圍時(shí)，可能會(huì)達(dá)不到其應(yīng)用的性能指標(biāo)。溫度補(bǔ)償范圍是一個(gè)比操作溫度范圍小的典型范圍。在這個(gè)范圍內(nèi)工作，變送器肯定會(huì)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(diǎn)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(shí)滿量程的+/-X%，在溫度補(bǔ)償范圍內(nèi)時(shí)讀數(shù)的+/-X%，如果沒有這些參數(shù)，會(huì)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(shí)zui復(fù)雜的一部分。要使壓力變送器具有良好的穩(wěn)定性，變送器必須要有較強(qiáng)的環(huán)境適應(yīng)能力。陜西煙塵治理壓力變送器聯(lián)系方式</p><p style="text-indent:25px">壓力變送器以供給指示報(bào)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)。數(shù)顯壓力變送器廠家供應(yīng)</p><p> 選擇怎樣的勵(lì)磁電壓：輸出信號(hào)的類型決定選擇怎么樣的勵(lì)磁電壓。許多放大變送器有內(nèi)置的電壓調(diào)節(jié)裝置，因此其電源電壓范圍較大。有些奕送器是定量配置，需要一個(gè)穩(wěn)定的工作電壓，因此，能夠得到的一個(gè)工作電壓決定是否采用帶有調(diào)節(jié)器的傳感器，選擇傳送器時(shí)要綜合考慮工作電壓與系統(tǒng)造價(jià)。 </p> <p> 是否需要具備互換性的變送器：確定所需的變送器是否能夠適應(yīng)多個(gè)使用系統(tǒng)。一般來講，這一點(diǎn)很重要。如果產(chǎn)品具有良好的互換性，那么即使是改變所用的變送器，也不會(huì)影響整個(gè)系統(tǒng)的效果。 </p> <p> 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。 </p> <p> 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。 </p> <p> 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> <br /> 數(shù)顯壓力變送器廠家供應(yīng)</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司位于高新區(qū)發(fā)展大道25號(hào)軍民融合創(chuàng)新港。公司業(yè)務(wù)分為雷達(dá)料位計(jì)，雷達(dá)物位計(jì)，壓力變送器，溫度變送器等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造儀器儀表良好品牌。西安倫騫電器憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1496216.html</p></div></div></div></div></div><div id="8b8mjv2" class="page-right twoColRt"><div id="qp4ebn8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jds34vx" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="rwgd8y2" class="recomPic 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