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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ey3zqht" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439597812500/9296063.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qz5zqht" 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LED顯示壓力變送器,壓力變送器</p><p><span>***更新：</span>2021-01-22 09:14:42</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="33ikwi8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設備有限責任公司</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="sg4uvwy" class="page-proshow02"><p class="title">詳細說明</p><div id="auypwiu" class="box"><p><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)部的膨脹管感應壓力，同時驅(qū)動齒輪機構(gòu)使指針轉(zhuǎn)動達到顯示壓力數(shù)值的效果，陜西LED顯示壓力變送器。 </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)殡娏骰蛘唠妷盒盘枺兾鱈ED顯示壓力變送器，這些電流或者電壓信號將提供給記錄儀，陜西LED顯示壓力變送器、調(diào)節(jié)器、報警器等儀表，從而達到測量、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，各有其應用領(lǐng)域及測量范圍. 變送器在線路設計和工藝裝配質(zhì)量上要求都十分嚴格。陜西LED顯示壓力變送器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西LED顯示壓力變送器,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439597812500/9296063.png"></div><p> 壓力變送器輸出電流波動或不穩(wěn)定故障: </p> <p> 壓力變送器在使用過程中會遇到輸出電流波動或不穩(wěn)定的狀況。我們要如何進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或不穩(wěn)定的現(xiàn)象，來對壓力變送器進行分析處理。壓力變送器輸出電流波動，在DCS顯示曲線上是可以明顯地看到的。在進行故障排查的時候，可以先將控制系統(tǒng)切換至手動觀察波動情況。如果測量曲線波動仍很頻繁,應該是工藝的原因。如果波動減少了，則可能是壓力變送器的原因或PID參數(shù)整定不當引起。壓力變送器輸出電流波動很明顯，顯示時有時無，時高時低時，應重點檢查測量回路的連接情況。認真排查接線端子的螺釘有沒有松動、氧化、腐蝕而造成接觸不良。如果懷疑壓力變送器有問題，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 /> 吉林小巧型壓力變送器哪個好壓力變送器主要使用的壓電材料有石英、磷酸二氫胺和酒石酸鉀鈉。石英，它是種天然晶體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西LED顯示壓力變送器,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439246718750/8791737.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行排查呢？ </p> <p> 1、根據(jù)控制室趨勢圖進行分析故障原因，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，首先對其進行斷電，而后在送電進行觀察，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行比較，并確認測量管道是否有余壓。4、對差壓變送器進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> 哪些方法能夠避免壓力變送器損壞: </p> <p> 壓力變送器剛買回來使用，效果很好，可沒幾天就不能用了。其實壓力變送器在使用過程中，如果方法不當，是會造成損壞的。壓力變送器的損壞，會對用戶造成很大的影響。接下來教大家如何正確使用壓力變送器避免其損壞。希望能夠幫助到大家。 </p> <p> 1：在壓力傳輸過程中，應注意壓力變送器與散熱管連接處，切勿漏氣。管路中必須保持暢通，管道中的沉積物，極有可能損壞壓力變送器膜片。開始使用前如果閥門是關(guān)閉的，則使用時應該非常小心緩慢地打開閥門，以免被測介質(zhì)直接沖擊壓力變送器膜片從而損壞膜片。2：測量蒸汽或其他高溫介質(zhì)時，應使用散熱管。溫度不得超過壓力變送器使用溫度的極限。3：切勿用硬物碰觸膜片，導致壓力變送器隔離膜片損壞。4：被測介質(zhì)不允許結(jié)冰，否則將損傷壓力變送器元件，導致變送器損壞，必要時需對壓力變送器進行溫度保護，以防結(jié)冰。5：切勿用高于36V電壓加到壓力變送器上，導致變送器損壞。還有，在使用安裝壓力變送器前，一定要仔細認真閱讀說明書。多方位了解壓力變送器的各項信息。保證在合理合規(guī)的前提下，對壓力變送器進行操作。變送器高頻噪聲通過變壓器主要不是靠初、次級線圈的互感耦合，而是靠初、次級寄生電容耦合的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西LED顯示壓力變送器,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439832978516/8960542.png"></div><p> 壓力變送器基本參數(shù)注解: </p> <p> 遲滯：在規(guī)定的范圍內(nèi)，當被測量值增加或減少時，輸出中出現(xiàn)的zuida差值。 </p> <p> 激勵：為使壓力變送器正常工作而施加的外部能量。一般是電壓或電流。施加的電壓或電流不同，壓力變送器的輸出值等參數(shù)也不同，所以有的參數(shù)，如零點輸出，上限值輸出、漂移等參數(shù)要在規(guī)定的激勵條件下測量。 </p> <p> 零點漂移：零點漂移是指在規(guī)定的時間間隔及標準條件下，零點輸出值的變化。由于周圍環(huán)境溫度變化引起的零點漂移稱為熱零點漂移。 </p> <p> 過載：通常是指能夠加在壓力變送器上不致引起性能長久性變化的被測量的zuida值。 </p> <p> 穩(wěn) 定性：壓力變送器在規(guī)定的條件下儲存、試驗或使用，經(jīng)歷規(guī)定的時間后，仍能保持原來特性參數(shù)的能力。 </p> <p> 可靠性：指壓力變送器在規(guī)定的條件下和規(guī)定的時間內(nèi)完成所需功能的能力。 </p> <p> 工作溫度：指壓力變送器能夠達到各項技術(shù)指標和功能的環(huán)境溫度范圍。 </p> <p> 環(huán)境溫度：指壓力變送器在工作狀態(tài)下所處工作環(huán)境的溫度范圍。壓力變送器具有工作可靠、性能穩(wěn)定。吉林小巧型壓力變送器哪個好</p><p style="text-indent:25px">它能將測壓元件傳感器感受到的氣體、液體等物理壓力參數(shù)轉(zhuǎn)變成標準的電信號。陜西LED顯示壓力變送器</p><p> 無線遠傳壓力變送器概述： </p> <p> 油水井無線監(jiān)控的配套產(chǎn)呂，適用于石油油水井生產(chǎn)、儲運工藝過程的壓力監(jiān)測。用微功耗通訊模式，不需要電纜供電，安裝更為快捷、安全、方便，另有配套的無線轉(zhuǎn)接設備，可將諸多無線壓力信號轉(zhuǎn)換為MOBUS標準信號通過以太網(wǎng)或串口傳輸，能夠方便的接放測控系統(tǒng)，有著廣的應用層面。 </p> <p> 無線遠傳壓力變送器的特點： </p> <p> 1、采用進品感壓芯片及PT100溫度變送器，可壓力溫度同時采集； </p> <p> 2、先進的貼片工藝，具有零點、滿量程補償，溫度補償； </p> <p> 3、高精度和高穩(wěn)定性放大集成電路； </p> <p> 4、通信采用RS485通信協(xié)議，半雙工作方式，zui高通訊率57600BPS； </p> <p> 5、結(jié)構(gòu)小，外徑zui小可達26mm； </p> <p> 6、介質(zhì)溫度可達350度； </p> <p> 7、采用簡單的ASCII碼命令格式，方便使用，zui高采樣速度10次/秒； </p> <p> 8、**配套終端采集軟件。 </p> <p> 無線遠傳壓力變送器的應用： </p> <p> 1、在電力行業(yè)，可以應用于無功補償、配電監(jiān)控、電表集抄、路燈監(jiān)控等數(shù)據(jù)傳輸領(lǐng)域； </p> <p> 2、在水應用行業(yè)，不表集抄，水資源管理遠程監(jiān)測，水路管網(wǎng)監(jiān)測的無線通信； </p> <p> 3、在環(huán)保領(lǐng)域，煙氣在線監(jiān)測，水質(zhì)在線監(jiān)測等污染源在線監(jiān)測系統(tǒng)； </p> <p> 4、在設備維護領(lǐng)域，如電梯監(jiān)控，空調(diào)監(jiān)控等，快速嵌入用戶的監(jiān)測儀器，完成設備暗箱操作遠傳應用。陜西LED顯示壓力變送器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2960725.html</p></div></div></div></div></div><div id="jihctpg" class="page-right 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