壓力自動開關(guān) 來電咨詢上海油威液壓成套設(shè)備供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電子壓力開關(guān)的上下限兩接點HL：是上限式和下限式的組合，分為兩接點單獨動作（雙設(shè)定，壓力自動開關(guān)、雙回路）和兩接點同時動作（單設(shè)定、雙回路）兩種類型。上限2接點：合并了兩個上限形式，分為分為兩接點單獨動作（雙設(shè)定、雙回路）和兩接點同時動作（"><meta name="keywords" content="壓力自動開關(guān),電子"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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11:18:17</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="xw9gamo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海油威液壓成套設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>楊海</p><p><span>郵箱: </span>69800595@qq.com</p><p><span>電話: </span>15821141338</p><p><span>傳真: </span>021_33656072</p><p><span>網(wǎng)址: </span>http://koto-sh.com.cn</p><p><span>手機: </span>021-33656071</p><p><span>地址: </span>金海公路3265號18幢7層</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="qpeg2ro" class="page-proshow02"><p class="title">詳細說明</p><div id="fuogdu8" class="box"><p><p style="text-indent:25px">電子壓力開關(guān)的上下限兩接點HL：是上限式和下限式的組合，分為兩接點單獨動作（雙設(shè)定，壓力自動開關(guān)、雙回路）和兩接點同時動作（單設(shè)定、雙回路）兩種類型。上限2接點：合并了兩個上限形式，分為分為兩接點單獨動作（雙設(shè)定、雙回路）和兩接點同時動作（單設(shè)定，壓力自動開關(guān)、雙回路）兩種類型。下限2接點：合并了兩個下限形式，壓力自動開關(guān)，分為兩接點單獨動作（雙設(shè)定、雙回路）和兩接點同時動作（單設(shè)定，雙回路）兩種類型。IP（防護等級）：是由國際電工協(xié)會（IEC）所起草，關(guān)于燈具防塵防潮特性的標準。電子壓力開關(guān)尤其用于液壓缸的壓力測試中，并可以通過各個開關(guān)點調(diào)節(jié)不同的負載測試。壓力自動開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壓力自動開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252991326018/4563578.png"></div><p style="text-indent:25px">電子渦流流量傳感器有什么特征？電子渦流流量傳感器特征有：(1).測量渦流頻率的檢測元件，一般都設(shè)置在渦流發(fā)生器的內(nèi)部，與流體隔離，所以渦流流量傳感器可以對所有的流體進行流量檢測。(2).在流體的通道上設(shè)置的渦流發(fā)生器是固定的，因此傳感器沒有運動部分，使傳感器長期使用的可靠性得到保證。(3).因為阻礙流體運動的只有一根渦流發(fā)生器，所以壓力損失小。(4).傳感器測量流體的溫度為-40——300℃，流體的較高壓力可達30MPa。(5).傳感器測定流速的范圍，液體較大為10m/s，氣體較大為90m/s。使用電子渦流流量傳感器時應注意以下幾點：1.當被測流體的流速偏低時，流體將產(chǎn)生不穩(wěn)定渦流，此時應適當減小管道的口徑以提高流速。2.當測定附著性流體時，如果渦流發(fā)生器上附著過多的流體，將會使測量誤差增大。3.傳感器安裝時，應設(shè)置在管道振動小的位置，并固定在牢固可靠的支架上。壓力自動開關(guān)電子壓力開關(guān)正式投入運行之前，操作人員應該仔細閱讀使用說明書。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壓力自動開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252649295319/6559056.png"></div><p style="text-indent:25px">電子壓力開關(guān)的相關(guān)術(shù)語及介紹：作溫度：是指儀器的內(nèi)部機構(gòu)、敏感元件等工作時不會發(fā)生持續(xù)變形的溫度范圍。一般壓力開關(guān)推薦工作溫度范圍為-5~400C，若介質(zhì)溫度過高時，可考慮加附件虹吸管（灌狀），達到降溫的目的。S.P.D.T（單刀雙擲）：由一個常開、一個常閉觸點和一個公共端構(gòu)成。D.P.D.T（雙刀雙擲）：由一個對稱的左、右公共端，兩組常開、常閉端子構(gòu)成。上限一接點（常開）：壓力上升到設(shè)定值時，接點動作，回路導通。下限一接點（常閉）：亞力下降到設(shè)定值時，接點動作，回路導通。</p><p style="text-indent:25px">電子流量開關(guān)是利用傳播擴散特性,在封閉的探頭內(nèi)放置發(fā)熱模塊及感溫模塊,探頭的熱傳溫差值與被測量介質(zhì)流速密切相關(guān)，當管道內(nèi)介質(zhì)以穩(wěn)定的流速流動時，感應模塊接收到發(fā)熱模塊感測的是一個固定值。當流過探頭的流速發(fā)生變化時，感熱模塊會傳出隨之變化的溫差信號，經(jīng)過處理器將對應流速的結(jié)果輸出。主要適用于石油化工、電力、冶金、鋼廠、造紙、食品加工、水處理、電池廠等行業(yè)。液壓兩用型，可用于氣動和液壓系統(tǒng)，循環(huán)水、切割液及潤滑油的斷流檢測，以及泵的空轉(zhuǎn)保護。電子壓力傳感器在液壓系統(tǒng)中主要是來完成力的閉環(huán)控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壓力自動開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252664519896/3493820.png"></div><p style="text-indent:25px">電子壓力開關(guān)是市場上這幾年比較流行的，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，響應快，穩(wěn)定可靠，精度高（精度一般在±0.5%F.S，高則達±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。使用完畢后要檢查電子壓力開關(guān)的導管密封是否良好，是否有泄露情況。壓力自動開關(guān)</p><p style="text-indent:25px">電子壓力開關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。壓力自動開關(guān)</p><p style="text-indent:25px">電子液位開關(guān)的使用需要注意什么？電子液位開關(guān)，工作電壓是DC5V-24V，通過內(nèi)置電子探頭對水位進行檢測，再由芯片對檢測到的信號進行處理，當被測液體的液位到達動作點時，出DC5V-24V，可以直接與PLC配合使用或者與控制板配合使用，從而實現(xiàn)對液位的控制。電子液位開關(guān)工作原理:工作電壓是DC5V-24V，通過內(nèi)置電子探頭對水位進行檢測，再由芯片對檢測到的信號進行處理，當被測液體的液位到達動作點時，輸出DC5V-24V，可以直接與PLC配合使用或者與控制板配合使用，從而實現(xiàn)對液位的控制。壓力自動開關(guān)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3081579.html</p></div></div></div></div></div><div id="uyacjvk" class="page-right 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