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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_kaiguan/">開關(guān)</a>?<a href="http://www.cdcfah.com/cp/third-kaiguan_ykkg/">遙控開關(guān)</a>?常州音叉液位開關(guān)廠家服務(wù)為先南儀測控技術(shù)供應(yīng)</p><div id="dpb3bfd" class="leftbox clearfix"><h1>常州音叉液位開關(guān)廠家服務(wù)為先南儀測控技術(shù)供應(yīng)</h1><div id="pnl55j5" class="proBig"><div id="5trfdjn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927323678154/9521216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="b55bf7t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927323678154/9521216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="plnbz5l" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>常州音叉液位開關(guān)廠家,液位開關(guān)</p><p><span>***更新：</span>2021-01-21 01:10:48</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="t3nr5vl" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測控技術(shù)(上海)有限公司</a></p><p><span>聯(lián)系人：</span>桂經(jīng)理</p><p><span>郵箱: </span>704766500@qq.com</p><p><span>電話: </span>17802114401</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.nanicontrol.com</p><p><span>手機: </span>021-61559357</p><p><span>地址: </span>滬閔路1871號9甲幢4樓407室</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="rd3vtzx" class="page-proshow02"><p class="title">詳細說明</p><div id="nd5vxxv" class="box"><p><p style="text-indent:25px">常見的液位開關(guān)種類有哪些? 四、光電液位開關(guān)：光電液位開關(guān)使用紅外線探測，利用光線的折射及反射原理，光線在兩種不同介質(zhì)的分界面將產(chǎn)生反射或折射現(xiàn)象。當被測液體處于高位時則被測液體與光電開關(guān)形成一種分界面，當被測液體處于低位時，則空氣與光電開關(guān)形成另一種分界面，這兩種分界面使光電開關(guān)內(nèi)部光接收晶體所接收的的反射光強度不同，即對應(yīng)兩種不同的開關(guān)狀態(tài)。一般來講，相對其他測量儀表，光電開關(guān)的適用性較差，常州音叉液位開關(guān)廠家，常州音叉液位開關(guān)廠家。五、音叉液位開關(guān)：通過檢測叉體振動的頻率與振幅的變化輸出一個開關(guān)量信號，通用性較強。對于粘稠性較大的工況需與廠家咨詢確定，易結(jié)晶的工況不建議使用。六，常州音叉液位開關(guān)廠家、超聲波外測液位開關(guān)：儀表探頭發(fā)射超聲波，并檢測其在容器壁中的余振信號，當液體漫過探頭時，此余振信號的幅值會變小，這個改變被儀表檢測到后輸出一個開關(guān)信號。其屬于非接觸式，常用于現(xiàn)場不易開孔、高危險場合，但是造價較貴。GKY液位傳感器傳輸距離可達幾十公里，是近幾年出現(xiàn)的液位控制方式。常州音叉液位開關(guān)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州音叉液位開關(guān)廠家,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927323678154/9521216.png"></div><p style="text-indent:25px">外貼式液位開關(guān)一種新型液位監(jiān)測報警裝置。主要用于監(jiān)測儲罐液面，實現(xiàn)上下限報警或監(jiān)測管道中是否有介質(zhì)存在（干態(tài)保護），可適用于醫(yī)藥、石油、化工、電力、食品等行業(yè)的液位過程控制。目前外貼式有超聲波和聲吶波之分。外貼式超聲波液位開關(guān)其傳感器（探頭）產(chǎn)生的高頻超聲波脈沖可穿過容器壁，這個脈沖會在容器壁和液體中傳播，還會被反射回來。通過對這種反射特性的檢測和計算，就可以判斷出監(jiān)測點處容器內(nèi)是否有液。同時液位控制器可輸出繼電器信號給后級電器或其它設(shè)備，從而實現(xiàn)對液位的監(jiān)測或控制。常州音叉液位開關(guān)廠家音叉液位開關(guān)基本沒有活動部件，機械磨損比較小，因此無需維護和調(diào)整，使用簡單方便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州音叉液位開關(guān)廠家,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927139713449/129543.png"></div><p style="text-indent:25px">液位傳感器選型和水位開關(guān)的區(qū)別是什么？首先，液位開關(guān)一定顯示液位，而液位傳感器是用電信號的形式輸出液位的高低。液位開關(guān)是根據(jù)液位傳感器的信號輸出開啟放水或者進水的閥門而使水位保持恒定的一種控制器。液位傳感器的作用是發(fā)出電信號，如果加上讀取電信號和顯示的裝置就是電子液位計了，如果加上讀取電信號和處理的裝置就是液位控制器。其次，液壓開關(guān)和液位傳感器都是繼電器原理。野鴨開關(guān)是開關(guān)控制電路，而液位傳感器是相當于變壓，變流用的電路元件。</p><p style="text-indent:25px">浮球液位開關(guān)在我們安裝前只需要重新標定水位線。無法對開關(guān)本身進行調(diào)整的。這時用萬用表測開關(guān)狀態(tài)，在水線附近會隨水位高低通斷，這說明沒問題。只要保證安裝過程中與熱力設(shè)備的水位線一致就好了。比如SOR的液位開關(guān)吧，一般在筒壁上都貼著水位線，我們把開關(guān)泡在在水槽中，慢慢下沉，使水面逐漸靠近標識線，zui靠近時會聽到微動開關(guān)動作的聲音。需要注意的是:高加液位開關(guān)等的工作溫度高，里邊的水溫也高;高溫水的密度要小于室溫水密度因而室溫水的動作線比開關(guān)標識線要低些的。液位低報警接在常閉上(NC)，液位高接常開(NO)。這類開關(guān)還是不難安裝的。液位開關(guān)本身都會帶兩對以上的微動開關(guān)，分別輸出兩對常開兩對常閉接點，在應(yīng)用時通常是"接通報警"。音叉開關(guān)不適合用于非常粘的介質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州音叉液位開關(guān)廠家,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927435767975/1503393.png"></div><p style="text-indent:25px">浮子液位開關(guān)用途專門用于各種中小型常壓和受壓儲液罐的液位檢測、現(xiàn)場指示信號遠傳、液位報警，可適用于各種衛(wèi)生、有毒、腐蝕性介質(zhì)及性氣體危險場所。有多種安裝形式，適用于各種形式的容器。選購時還需確定接續(xù)規(guī)格，各動使用注意事項 1：輕拿輕放（因浮球開關(guān)內(nèi)部為干簧管，屬于易碎品，故在使用中需注意） 2：使用溫度的注意：PP塑料為80度以內(nèi)，不銹鋼為150度以內(nèi)。 3：使用環(huán)境中盡量避免震動、磁場或長時間超過高溫度。 4：使用的液體避免過于粘稠。 5：定期清理連桿及浮球上的污垢（周期視介質(zhì)而定）。作點位置，動作形式（常開或常閉）和總長等。光電式還有一種液位控制方式，就是加裝在傳統(tǒng)液位計上。嘉興一球兩點式浮球液位開關(guān)哪家好</p><p style="text-indent:25px">側(cè)裝式浮球液位開關(guān)是利用浮球受液體浮力而隨液位上升或下降。常州音叉液位開關(guān)廠家</p><p style="text-indent:25px">射頻導(dǎo)納液位開關(guān)?：射頻導(dǎo)納物位控制技術(shù)是一種從電容式物位控制技術(shù)發(fā)展起來的，防掛料、更可靠、更準確、適用性更廣的物位控制技術(shù)，“射頻導(dǎo)納”中“導(dǎo)納”的含義為電學中阻抗的倒數(shù)，它由阻性成分、容性成分、感性成分綜合而成，而“射頻”即高頻，所以射頻導(dǎo)納技術(shù)可以理解為用高頻測量導(dǎo)納。高頻正弦振蕩器輸出一個穩(wěn)定的測量信號源，利用電橋原理，以精確測量安裝在待測容器中的傳感器上的導(dǎo)納，在直接作用模式下，儀表的輸出隨物位的升高而增加。射頻導(dǎo)納技術(shù)與傳統(tǒng)電容技術(shù)的區(qū)別在于測量參量的多樣性、驅(qū)動三端屏蔽技術(shù)和增加的兩個重要的電路。射頻導(dǎo)納技術(shù)由于引入了除電容以外的測量參量，尤其是電阻參量，使得儀表測量信號信噪比上升，大幅度地提高了儀表的分辨力、準確性和可靠性測量參量的多樣性也有力地拓展了儀表的可靠應(yīng)用領(lǐng)域。常州音叉液位開關(guān)廠家</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司是一家一般項目:從事測控科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機電設(shè)備的生產(chǎn)、加工、組裝、銷售，機電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進出口業(yè)務(wù)。(除依法須經(jīng)批準的項目外，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動)的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。南儀測控技術(shù)擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供壓力變送器，溫度傳感器，液位計，流量計。南儀測控技術(shù)始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。南儀測控技術(shù)始終關(guān)注自身，在風云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使南儀測控技術(shù)在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2935116.html</p></div></div></div></div></div><div id="zlb5hdj" class="page-right twoColRt"><div id="zplbptr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pnnt3p5" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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