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class="leftbox clearfix"><h1>烏魯木齊穩(wěn)定耐用壓力控制器創(chuàng)造輝煌武漢康宇通達測控儀表供應</h1><div id="akx8t4k" class="proBig"><div id="nhakcoq" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/kytdck/637221030927812500/5133224.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pzz827v" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/kytdck/637221030927812500/5133224.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="t2duwtf" 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>烏魯木齊穩(wěn)定耐用壓力控制器</p><p><span>***更新：</span>2020-06-11 12:25:49</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oqnp3sz" 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="apm3xh3" class="page-proshow02"><p class="title">詳細說明</p><div id="gkm327q" class="box"><p><h1> <span style="font-size:18px;">壓力開關(guān)注意事項</span> </h1> <p> <span style="font-size:18px;color:#E53333;"><strong>1.設(shè)定值和壓力范圍的確定</strong></span> </p> <p> <span style="font-size:18px;">推薦設(shè)定范圍在壓力范圍的30%-65%之間,可設(shè)定范圍為壓力范圍的15%-90%之間。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>2.接斷差的形式</strong></span> </p> <p> <span style="font-size:18px;">可調(diào)式或固定式。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>3.是否有脈動</strong></span> </p> <p> <span style="font-size:18px;">如果壓力有脈動或振動,需要帶節(jié)流閥用以抑制脈動壓力對儀表的損傷。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>4，烏魯木齊穩(wěn)定耐用壓力控制器.帶隔膜的場合</strong></span> </p> <p> <span style="font-size:18px;">測定腐蝕性、高黏度或溫度過高時,需要選用帶隔膜。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>5.防爆的必要性</strong></span> </p> <p> <span style="font-size:18px;">防爆形式分為隔爆型和本安型,長野產(chǎn)品多數(shù)為隔爆型，烏魯木齊穩(wěn)定耐用壓力控制器。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>6，烏魯木齊穩(wěn)定耐用壓力控制器.是否需要帶指示</strong></span> </p> <p> <span style="font-size:18px;">根據(jù)客戶指示。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>7.接點數(shù)量</strong></span> </p> <p> <span style="font-size:18px;">一接點(一個輸出)或兩接點(兩個輸出)。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊穩(wěn)定耐用壓力控制器" src="http://tyunfile.71360.com/UploadFile/kytdck/637221030927812500/5133224.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性誤差，其***值不應超出開關(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> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊穩(wěn)定耐用壓力控制器" src="http://tyunfile.71360.com/UploadFile/kytdck/637221035046757812/4746354.jpg"></div><p> <span style="font-size:18px;">變送器故障分析和處理主要方法</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>A替換法</strong></span> </p> <p> <span style="font-size:18px;">準備一塊正常使用的變送器直接替換懷疑有故障的。</span><span style="font-size:18px;">這樣可以簡單快捷的判定是變送器本身的故障還是管路或其他設(shè)備的故障。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>B斷路法</strong></span> </p> <p> <span style="font-size:18px;">將懷疑有故障的部分與其它部分分開來，查看故障是否消失，如果消失，則確定故障所在，否則可進行下一步查找，如：智能差壓變送器不能正常Hart遠程通訊，可將電源從儀表本體上斷開，用現(xiàn)場另加電源的方法為變送器通電進行通訊，以查看是否電纜是否疊加約2kHz的電磁信號而干擾通訊。</span> </p> <p> <span style="font-size:18px;color:#E53333;"><strong>C.短路檢測</strong></span> </p> <p> <span style="font-size:18px;">在保證安全的情況下，將相關(guān)部分回路直接短接，如：差變送器輸出值偏小，可將導壓管斷開，從一次取壓閥外直接將差壓信號直接引到差壓變送器雙側(cè)，觀察變送器輸出，以判斷導壓管路的堵、漏的連通性。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊穩(wěn)定耐用壓力控制器" src="http://tyunfile.71360.com/UploadFile/kytdck/637221030925517578/2025576.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/226618.html</p></div></div></div></div></div><div id="j2qmzls" class="page-right twoColRt"><div id="t9b3ce7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="plxzgip" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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