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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cbikroq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927117213326/8720618.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8fmo3fx" 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>紹興電極式液位開關(guān)銷售,液位開關(guān)</p><p><span>***更新：</span>2021-01-31 01:16:55</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="ztfhj2p" 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="ysegn8l" class="page-proshow02"><p class="title">詳細說明</p><div id="qa2fhof" class="box"><p><p style="text-indent:25px">全自動洗衣機中一般采用的液位開關(guān)就是壓力式水位開關(guān)，它裝在洗滌缸的上部，它有一根下端開口的氣管通到缸底，進水時管里的空氣被封閉在里面出不來，就形成比外界稍高的壓力。水位越高壓力越高，這樣根據(jù)壓力就可間接測知水位。而壓力的測量仍然用彈性元件，靠元件的變形帶動觸點完成通斷動作。這種測液位的方法叫做"靜壓法"，在工業(yè)中用的不少。浮球式液位開關(guān)大的特點是有一個帶桿的浮球，隨著液位的變化，浮球聯(lián)動的桿隨著變化，從而控制開關(guān)的閉合。工業(yè)上很早就利用浮子測量水塔中的水位了。目前使用普遍的是發(fā)泡浮子式液位開關(guān)、因其安裝簡便，紹興電極式液位開關(guān)銷售、價格低廉，紹興電極式液位開關(guān)銷售、使用壽命長而受到歡迎。外貼非接觸式超聲波液位開關(guān)提供了容器尤其是高壓，紹興電極式液位開關(guān)銷售、腐蝕、密閉容器物位測量的解決方案。紹興電極式液位開關(guān)銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興電極式液位開關(guān)銷售,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927117213326/8720618.png"></div><p style="text-indent:25px">阻旋料位開關(guān)使用注意事項有下列幾點： 1、設(shè)備前請供認電源電壓是不是與標識上面的電壓共同。 2、阻旋料位開關(guān)應(yīng)避免設(shè)備在進料口，當無法避免時可加裝防護擋板，以保護葉片不受物料沖擊。 3、水平設(shè)備時，接線盒入線口應(yīng)垂直朝下，電纜固定螺母有必要鎖緊，如有條件可加防雨罩等。 4、設(shè)備前供認水平設(shè)備仍是垂直設(shè)備。 5、水平設(shè)備時葉片與水平向下呈10～20°的夾角設(shè)備，以削減物料的沖擊。 6、垂直安裝時如有條件，可考慮加裝防雨罩。蘇州電容式液位開關(guān)批發(fā)音叉式液位開關(guān)也適用于測量能自由流動的中等密度的固體粉末或顆粒。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興電極式液位開關(guān)銷售,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401926994928125/7410324.png"></div><p style="text-indent:25px">液位開關(guān)作為一種常見的測量液位位置的傳感器，它是一種將測量的液體的高度轉(zhuǎn)化成為，電信的方式進行傳出的，在工業(yè)、食品、醫(yī)藥、石油等行業(yè)有這普遍的應(yīng)用。由于作業(yè)環(huán)境復雜，需求多樣、一直相適應(yīng)，從形式上主要分為接觸式和非接觸式。非接觸式的如電容式液位開關(guān),接觸式的例如:浮球式液位開關(guān)、電極式液位開關(guān)、電子式液位開關(guān)。電容式液位開關(guān)也可以采用接觸式方法實現(xiàn)。其中比較常見的有音叉液位開關(guān)、浮球液位開關(guān)、光電液位開關(guān)、電極式液位開關(guān)。</p><p style="text-indent:25px">射頻導納物位計分連續(xù)和點位（開關(guān)）兩種：在連續(xù)測量中，分單桿和雙桿(在大量程時多用單纜和雙纜），單桿用于外殼導電的（金屬等）設(shè)備，雙桿的（其中有一桿是參考電極）主要用于外壁絕緣（如地下水泥池，煤倉）的場合。測量桿又分帶絕緣層和不帶絕緣層的：帶絕緣層的用在導電介質(zhì)（如水）的場合，不帶絕緣層的用在絕緣介質(zhì)（如煤粉）的場合。輸出終為4-20MA電流信號。點位（開關(guān)量）輸出的，測量桿采用五層同心技術(shù)，中心桿，絕緣層，外面安裝螺紋，層層絕緣，克服掛料問題。輸出終為繼電器接點。浮球開關(guān)是簡單的被動器件，并且不具有自檢查功能，因此建議對其進行定期檢查與維護。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興電極式液位開關(guān)銷售,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927435767975/1503393.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。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。蘇州電容式液位開關(guān)批發(fā)</p><p style="text-indent:25px">GKY液位控制原理結(jié)合傳統(tǒng)浮子和弱電液位控制的特性。紹興電極式液位開關(guān)銷售</p><p style="text-indent:25px">浮球液位開關(guān)是利用微動開關(guān)做接點輸出。當水平面以上揚線角度超過28°時，浮球液位開關(guān)內(nèi)部的鋼珠會滾動壓到微動開關(guān)或脫離微動開關(guān)，使液位開關(guān)ON或OFF的接點信號輸出。也有另一類浮球液位開關(guān)，利用**開關(guān)做接點輸出，當液位上升接觸浮球時，浮球以重錘為中心隨水位上升角度變化。當水面以上揚線角度超過10°時，液位開關(guān)便會有ON或OFF的接點信號輸出。其主要特點: 1、使用微動開關(guān)做接點輸出，接點容量10A/250VAC可直接起動電機設(shè)備。 2、歐規(guī)(HAR)橡膠電纜，耐候性佳、價格低、使用壽命長。 3、構(gòu)造簡單、不需保養(yǎng)、污水凈水皆可使用。 4、電纜線≦20米的長度皆可訂制。紹興電極式液位開關(guān)銷售</p></p><br /><p>文章來源地址: 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