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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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>沈陽液體壓力控制器批發(fā),壓力控制器</p><p><span>***更新：</span>2020-07-26 11:23:10</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="7zwjael" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">武漢康宇通達(dá)測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>馮先生</p><p><span>郵箱: </span>907088900@qq.com</p><p><span>電話: </span>13307145778</p><p><span>傳真: </span>027_87710582</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>027-87710582</p><p><span>地址: </span>洪山區(qū)珞喻路39號賽博數(shù)碼廣場</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="maxzbik" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qphz88g" class="box"><p><h1> <span style="font-size:18px;">變送器常見故障及排除2</span> </h1> <p> <span style="font-size:18px;">4.加壓變送器輸出不變化，再加壓變送器輸出突然變化，沈陽液體壓力控制器批發(fā)，泄壓變送器零位回不去。</span> </p> <p> <span style="font-size:18px;">檢查傳感器器密封圈，一般是因為密封圈規(guī)格原因(太軟或太厚)，傳感器擰緊時，密封圈被壓縮到傳感器引壓口里面堵塞傳感器，加壓時壓力介質(zhì)進不去，但是壓力很大時突然沖開密封圈，壓力傳感器受到壓力而變化，而壓力再次降低時，密封圈又回位堵住引壓口，殘存的壓力釋放不出，。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>5.變送器誤差</strong></span> </p> <p> <span style="font-size:18px;">確認(rèn)正常誤差范圍的方法：計算出壓力表的誤差值例如：壓力表量程30bar，精度1，沈陽液體壓力控制器批發(fā).5%，**小刻度為0.2bar正常的誤差為：30bar*1，沈陽液體壓力控制器批發(fā).5%+0.2*0.5(視覺誤差)=0.55bar壓力變送器的誤差值。</span> 壓力控制器的數(shù)字顯示。沈陽液體壓力控制器批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="沈陽液體壓力控制器批發(fā),壓力控制器" src="http://tyunfile.71360.com/UploadFile/kytdck/637221030927275390/8275397.jpg"></div><p> <span style="font-size:18px;"><strong>壓力控制器設(shè)定值為下切換值的調(diào)整方法</strong></span> </p> <p> <span style="font-size:18px;">同樣選用設(shè)定范圍在（0.05～2.5）MPa的控制器，但要求壓力下降至1.8MPa(此值為下切換值）發(fā)出觸點信號。</span> </p> <p> <span style="font-size:18px;">1、松開鎖緊器，將控制器旋入校驗臺的螺紋接口上；打開蓋板，將電纜穿過電纜接口接入端子板，電纜另一頭接上萬用表。</span> </p> <p> <span style="font-size:18px;">2、加壓至1.8MPa,此值可由標(biāo)準(zhǔn)壓力表讀出；逆時針轉(zhuǎn)動設(shè)定值調(diào)節(jié)鏍桿，使設(shè)定值由小變大，直至微動開關(guān)在1.8MPa處切換。</span> </p> <p> <span style="font-size:18px;">3、旋動鎖緊器，調(diào)節(jié)校驗臺壓力，使其在1.8MPa處上下來回變化，校驗壓力下降時，切換值是否為1.8MPa，此值即為要求設(shè)定的下切換值，此值加上切換差（約0.85MPa)即為上切換值。</span> 沈陽液體壓力控制器批發(fā)壓力控制器的分類有哪幾種？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="沈陽液體壓力控制器批發(fā),壓力控制器" src="http://tyunfile.71360.com/UploadFile/kytdck/637221030924130859/9668393.jpg"></div><p style="text-indent:25px">industryTemplate</p><h1> <span style="font-size:16px;">壓力開關(guān)使用和維護知識</span> </h1> <p> <span style="font-size:16px;">1、數(shù)顯壓力開關(guān)在正式應(yīng)用之前，用戶先檢查下數(shù)顯壓力開關(guān)的各個部件是否都完好，在確保完好的情況下才可以投入使用。</span> </p> <p> <span style="font-size:16px;">2、正確的設(shè)置數(shù)顯壓力開關(guān)，各個參數(shù)都要設(shè)定在數(shù)顯壓力開關(guān)的額定范圍之內(nèi)，萬萬不可超負(fù)荷工作，否則數(shù)顯壓力開關(guān)的使用壽命會因此受到影響。</span> </p> <p> <span style="font-size:16px;">3、數(shù)顯壓力開關(guān)的測量過程中，有專人負(fù)責(zé)觀察，避免運行過程有突發(fā)情況發(fā)生。</span> </p> <p> <span style="font-size:16px;">4、每次數(shù)顯壓力開關(guān)在使用完畢后，都要將其內(nèi)部的元件清理干凈，防止被測介質(zhì)還殘留在里面，另外，為了保護數(shù)顯壓力開關(guān)的顯示屏，除了要定期擦拭外，隨手用干凈的袋子將顯示屏包住，防止灰塵等雜質(zhì)侵入。</span> </p> <p> <span style="font-size:16px;">5、定期進行數(shù)顯壓力開關(guān)的性能檢測，防止日積月累的應(yīng)用使其元件逐漸老化，給測量過程帶來一定影響。</span> 壓力控制器的使用壽命。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="沈陽液體壓力控制器批發(fā),壓力控制器" src="http://tyunfile.71360.com/UploadFile/kytdck/637221033828613281/6283868.jpg"></div><h1> <span style="font-size:16px;">壓力開關(guān)校驗步驟</span> </h1> <p> <p> <span style="font-size:16px;color:#E53333;"><strong>1）原始值檢查，真實準(zhǔn)確。</strong></span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>2）控壓范圍檢查</strong></span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>3）設(shè)定點誤差檢定</strong></span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">4）切換差的檢定：</span></strong>在檢定設(shè)定值誤差時，同一設(shè)定點上切換值的平均值與下切換值平均值之間的差值為開關(guān)的切換差，其值應(yīng)不大于量程的10%，生產(chǎn)廠對切換差有特殊要求的除外。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">5）重復(fù)性誤差的檢定：</span></strong> 在檢定控制器設(shè)定值誤差時，在同一檢定點通過三次測量中各自測得的上切換之間比較大差值和下切換值之間比較大差值，兩者中大者相對于量程的百分比即為控制器的重復(fù)性誤差，其***值不應(yīng)超出開關(guān)的精度等級。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">6）絕緣電阻的檢定：</span></strong>將控制器電源斷開，用500VDC的絕緣電阻表測量端子與外殼之間，端子之間絕緣電阻≥20MΩ。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>7）開關(guān)調(diào)整單元封固</strong></span> </p> <p> <span style="font-size:16px;">開關(guān)檢定完后，將開關(guān)定值調(diào)節(jié)裝置封固，以防定值改變。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>8）觸點電阻的測量≤0.1Ω</strong></span> </p> <span style="font-size:16px;"></span> 康宇通達(dá)壓力控制器的優(yōu)勢！沈陽液體壓力控制器批發(fā)</p><p style="text-indent:25px">液體壓力控制器的使用注意事項！沈陽液體壓力控制器批發(fā)</p><h1> <span style="font-size:18px;">電子型壓力開關(guān)</span> </h1> <p> <span style="font-size:18px;">另外一種是市場上這幾年比較流行的是電子式壓力開關(guān)，用來替代電接點壓力表和使用在工控控制要求比較高的系統(tǒng)上。這種壓力開關(guān)內(nèi)置精密壓力傳感器，通過高精度儀表放大器放大壓力信號，通過高速MCU采集并處理數(shù)據(jù)，一般都是采用4位LED實時數(shù)顯壓力，繼電器信號輸出，上下限控制點可以自由設(shè)定，遲滯小，抗震動，響應(yīng)快，穩(wěn)定可靠，精度高（精度一般在±0.5%F.S，高則達(dá)±0.2%F.S），利用回差設(shè)置可以有效保護壓力波動帶來的反復(fù)動作，保護控制設(shè)備，是檢測壓力、液位信號，實現(xiàn)壓力、液位監(jiān)測和控制的高精度設(shè)備。特點是：電子顯示屏直觀，精度高，使用壽命長，通過顯示屏設(shè)置控制點方便，但是相對價格較高，需要供電。</span> 沈陽液體壓力控制器批發(fā)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/704039.html</p></div></div></div></div></div><div id="xw8xeqn" class="page-right twoColRt"><div id="3vcjvrj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ap877qp" 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