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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>溫州鴨嘴式浮球液位開關(guān)銷售,液位開關(guān)</p><p><span>***更新：</span>2020-12-31 05:15:41</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="o3dah3s" 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(jī): </span>021-61559357</p><p><span>地址: </span>滬閔路1871號9甲幢4樓407室</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="r3pgnei" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rgdf3fb" class="box"><p><p style="text-indent:25px">注意事項(xiàng) 1.請不要將其它超聲波設(shè)備或電磁設(shè)備放在附近使用，以免設(shè)備互相干擾引起誤動(dòng)作。 2.液位控制器的兩個(gè)探頭在罐壁上一定要水平排列，且間距為1米！兩探頭之間應(yīng)避免焊縫等類似情況的存在，每個(gè)探頭位置也應(yīng)盡量遠(yuǎn)離焊縫。性能指標(biāo) 電源： DC 24V 輸出信號：繼電器輸出（觸點(diǎn)為無源節(jié)點(diǎn)）繼電器容量： AC/DC 60V 0.5A 重復(fù)性誤差限：2mm 可測壁厚：標(biāo)準(zhǔn)型大50mm（超過50mm可選球罐**型）容器材質(zhì)：鋼、不銹鋼、玻璃，溫州鴨嘴式浮球液位開關(guān)銷售，溫州鴨嘴式浮球液位開關(guān)銷售、不發(fā)泡塑料等密實(shí)材料可測介質(zhì)：純凈液體，溫州鴨嘴式浮球液位開關(guān)銷售、乳狀液體、懸浮狀液體環(huán)境溫度： -50℃～+60℃（高溫型使用高溫度為250℃）環(huán)境濕度： 15%～100%RH 電氣接口規(guī)格：M20×1.5mm（其他可選）防爆型液位控制器材質(zhì)：鑄鋁外殼防護(hù)等級：IP65 防爆標(biāo)志： ExdmⅡCT6 適用場所：除煤礦外的其他性氣體環(huán)境傳感器（探頭）外殼材質(zhì)：不銹鋼防爆標(biāo)志： ExmbⅡCT4超聲波液位開關(guān)適合于那些無法用物理方式接觸的液體。溫州鴨嘴式浮球液位開關(guān)銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州鴨嘴式浮球液位開關(guān)銷售,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927323678154/9521216.png"></div><p style="text-indent:25px">液位開關(guān)選型需要些什么參數(shù)?液位開關(guān)，顧名思義，就是根據(jù)液位來自動(dòng)開關(guān)水泵。實(shí)現(xiàn)這種功能的方式有很多，主要由所采用的液位傳感器來決定。現(xiàn)在的液位傳感器無外乎電極式、UQK/GSK式、光電式、壓力式、GKY式等幾種。分析其基本原理就能夠發(fā)現(xiàn)這些傳感器的優(yōu)缺點(diǎn)。有些固有的缺點(diǎn)，無論怎么做都無法避免。當(dāng)然傳感器的制造工藝和材質(zhì)也會(huì)影響其性能，所以市場上有不同品質(zhì)和價(jià)格的液位傳感器。我們先了解了液位開關(guān)的實(shí)現(xiàn)原理，再根據(jù)自己使用環(huán)境就可以對液位開關(guān)進(jìn)行選擇。音叉液位開關(guān)訂購液位開關(guān)，也稱水位開關(guān)，液位傳感器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州鴨嘴式浮球液位開關(guān)銷售,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927099137104/8349260.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(jìn)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(jì)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(dāng)于變壓，變流用的電路元件。</p><p style="text-indent:25px">常見的液位開關(guān)種類有哪些? 一、浮球液位開關(guān)：利用浮球液位開關(guān)的磁性浮子隨液位上升或下降，使傳感器檢測管內(nèi)設(shè)定位置的干簧管芯片動(dòng)作，發(fā)出接點(diǎn)開/關(guān)轉(zhuǎn)換信號。由于其結(jié)構(gòu)簡單、經(jīng)濟(jì)實(shí)惠，在市面上應(yīng)用較為普遍，主要偏于民用，但相對于工業(yè)級產(chǎn)品其穩(wěn)定性較差。二、電容式液位開關(guān)：探頭接液后檢測電容值變化輸出接點(diǎn)信號，在輕微粘稠性介質(zhì)測量上有一定優(yōu)勢。三、電極式液位開關(guān):電極式液位開關(guān)是利用液體之導(dǎo)電性來檢測液位高低。被測介質(zhì)一旦觸及極棒，便會(huì)導(dǎo)電因而檢出信號。經(jīng)控制器的信號放大后，再輸出一接點(diǎn)信號，實(shí)現(xiàn)對液位的控制。側(cè)貼式超聲波液位開關(guān)利用超聲波在管壁介質(zhì)中的余震信號，大幅度提高了穩(wěn)定性和穿透性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州鴨嘴式浮球液位開關(guān)銷售,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927077379297/3166528.png"></div><p style="text-indent:25px">音叉液位開關(guān)普遍應(yīng)用于石化、輕工、食品、水處理等行業(yè)，對物位進(jìn)行上、下限報(bào)警及控制。音叉液位開關(guān)又被稱作“電氣浮子”，凡使用浮球開關(guān)和由于結(jié)構(gòu)、湍流、攪動(dòng)、氣泡、振動(dòng)等原因不能使用浮球開關(guān)的場合均可稱為“電氣浮子”。由于該音叉液位開關(guān)無活動(dòng)部件，因此無需維護(hù)和調(diào)整，是浮球開關(guān)的升級換代產(chǎn)品。音叉液位開關(guān)普遍應(yīng)用于石化、輕工、食品、水處理等行業(yè)，對物位進(jìn)行上、下限報(bào)警及控制。音叉液位開關(guān)有些優(yōu)點(diǎn)？ 1、適應(yīng)性強(qiáng)：被測介質(zhì)不同的介電參數(shù)、密度對測量均不產(chǎn)生影響。結(jié)垢、攪動(dòng)、湍流、氣泡、振動(dòng)、中等粘度、高溫、高壓等惡劣條件對檢測也無影響。 2、不需調(diào)校：由于音叉物位開關(guān)的檢測不受被測介質(zhì)電參數(shù)及密度的影響，所以無論測量何種介質(zhì)都不需要現(xiàn)場調(diào)校。 3、免于維護(hù)：由于音叉物位開關(guān)的檢測過程由電子電路完成，無活動(dòng)部件，所以一經(jīng)安裝投入適用便不需要維護(hù)。外貼式超聲波液位開關(guān)采用超聲波檢測技術(shù)，解決了傳統(tǒng)的液位開關(guān)的不足，不受液體表面的泡沫、水汽的影響。溫州鴨嘴式浮球液位開關(guān)銷售</p><p style="text-indent:25px">GKY液位傳感器傳輸距離可達(dá)幾十公里，是近幾年出現(xiàn)的液位控制方式。溫州鴨嘴式浮球液位開關(guān)銷售</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(zhǔn)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(xué)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(gè)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(dòng)三端屏蔽技術(shù)和增加的兩個(gè)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(zhǔn)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。溫州鴨嘴式浮球液位開關(guān)銷售</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(xiàng)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(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)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(xiǎn)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(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動(dòng))的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)，是五金、工具的主力軍。南儀測控技術(shù)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。南儀測控技術(shù)創(chuàng)始人謝成艷，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2639189.html</p></div></div></div></div></div><div id="h28sul9" class="page-right twoColRt"><div id="atl2vm9" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="f2rjv8v" class="recomPic likePro"><a 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