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src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927472760188/560566.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3mj8szq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927472760188/560566.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pgv7df3" 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>寧波音叉式液位開關(guān)銷售廠家,液位開關(guān)</p><p><span>***更新：</span>2021-01-08 00:22:33</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="zsmikr8" 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(hào)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="lj8y8ia" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8bdacoa" 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(dāng)被測液體處于高位時(shí)則被測液體與光電開關(guān)形成一種分界面，當(dāng)被測液體處于低位時(shí)，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(qiáng)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。五、音叉液位開關(guān)：通過檢測叉體振動(dòng)的頻率與振幅的變化輸出一個(gè)開關(guān)量信號(hào)，通用性較強(qiáng)。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、超聲波外測液位開關(guān)：儀表探頭發(fā)射超聲波，寧波音叉式液位開關(guān)銷售廠家，寧波音叉式液位開關(guān)銷售廠家，并檢測其在容器壁中的余振信號(hào)，當(dāng)液體漫過探頭時(shí)，此余振信號(hào)的幅值會(huì)變小，這個(gè)改變被儀表檢測到后輸出一個(gè)開關(guān)信號(hào)。其屬于非接觸式，常用于現(xiàn)場不易開孔，寧波音叉式液位開關(guān)銷售廠家、高危險(xiǎn)場合，但是造價(jià)較貴。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。寧波音叉式液位開關(guān)銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波音叉式液位開關(guān)銷售廠家,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927472760188/560566.png"></div><p style="text-indent:25px">浮子液位開關(guān)特點(diǎn) 1.真空結(jié)構(gòu)適合于各種液位檢測操作 2.開關(guān)與液體無直接接觸，不磨損和撕裂 3.無源接點(diǎn)不需要任何電力供應(yīng)，無電壓接觸的通用信號(hào)處理，例如PLC 4.檢測與泡沫、電導(dǎo)率、介質(zhì)常數(shù)、壓力、真空、溫度、蒸汽、冷凝液、氣泡、沸騰效應(yīng)和振動(dòng)等無關(guān) 5.單個(gè)裝置中可以設(shè)置多個(gè)開關(guān)點(diǎn)（1至8個(gè)）以實(shí)現(xiàn)多點(diǎn)控制，每個(gè)控制點(diǎn)的位置可根據(jù)客戶需要定制 6.所有開關(guān)的出線都集中在接線盒內(nèi)（或直接出線），防護(hù)等級(jí)IP65以上、施工簡單方便、降低配線成本 7.安裝和使用簡便，使用前開關(guān)一次性調(diào)校，無需維護(hù) 8.整體性能可靠。有SUS304、SUS316L、PP、PVDF等材質(zhì)可供選擇 9.可控制電磁閥、水泵，或作缺水保護(hù)，溢水報(bào)警，使用液體強(qiáng)酸強(qiáng)堿。 11.，高耐溫80度，工作溫度低于60度，高耐壓10公斤，可控制電磁閥、水泵，或作缺水保護(hù)，溢水報(bào)警。但PP材質(zhì)連桿式浮球開關(guān)長度長適宜1米以下。 12.PVDF材質(zhì)，可耐強(qiáng)酸強(qiáng)堿，高耐溫可達(dá)100度。寧波音叉式液位開關(guān)銷售廠家液位測量是通過機(jī)械觸電開關(guān)或是壓控的LC振蕩器(依靠控制器檢測振蕩頻率的變化以感知液位高度)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波音叉式液位開關(guān)銷售廠家,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401926994928125/7410324.png"></div><p style="text-indent:25px">液壓就是靠液體傳遞能量。液壓的定義：一個(gè)完整的液壓系統(tǒng)由五個(gè)部分組成，即動(dòng)力元件、執(zhí)行元件、控制元件、輔助元件和液壓油。動(dòng)力元件的作用是將原動(dòng)機(jī)的機(jī)械能轉(zhuǎn)換成液體的壓力能，指液壓系統(tǒng)中的油泵，它向整個(gè)液壓系統(tǒng)提供動(dòng)力。液壓泵的結(jié)構(gòu)形式一般有齒輪泵、葉片泵和柱塞泵。執(zhí)行元件(如液壓缸和液壓馬達(dá))的作用是將液體的壓力能轉(zhuǎn)換為機(jī)械能，驅(qū)動(dòng)負(fù)載作直線往復(fù)運(yùn)動(dòng)或回轉(zhuǎn)運(yùn)動(dòng)。控制元件(即各種液壓閥)在液壓系統(tǒng)中控制和調(diào)節(jié)液體的壓力、流量和方向。根據(jù)控制功能的不同，液壓閥可分為壓力控制閥、流量控制閥和方向控制閥。壓力控制閥又分為溢流閥(安全閥)、減壓閥、順序閥、壓力繼電器等；流量控制閥包括節(jié)流閥、調(diào)整閥、分流集流閥等；方向控制閥包括單向閥、液控單向閥、梭閥、換向閥等。根據(jù)控制方式不同，液壓閥可分為開關(guān)式控制閥、定值控制閥和比例控制閥。輔助元件包括油箱、濾油器、油管及管接頭、密封圈、壓力表、油位油溫計(jì)等。液壓油是液壓系統(tǒng)中傳遞能量的工作介質(zhì)，有各種礦物油、乳化液和合成型液壓油等幾大類。</p><p style="text-indent:25px">電子式液位開關(guān)特點(diǎn): (1).特性：耐污、耐傾搖、耐顛簸、抗摔性強(qiáng)、耐鹽霧、耐酸堿，不怕磁場影響、不怕金屬體影響、不怕水壓變化影響、不怕光線影響，沒有盲區(qū)，外部無可動(dòng)部件，不怕固體漂浮物的影響。 (2).適用范圍：清水、各種污水、酸堿水、海水、水處理藥劑、河涌水、紡織印染水、工業(yè)廢水，還適合做船舶水位開關(guān)等 (3).安裝方法：同一水位開關(guān)，可以橫裝、豎裝、斜裝等不規(guī)則自由安裝,靈活方便 (4).固定方法：簡單易用，可用螺紋接口（M20，即4分管）固定或管夾固定當(dāng)浮子擋住發(fā)射管發(fā)出的光線時(shí)，接收管就將液位信號(hào)發(fā)送出去。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波音叉式液位開關(guān)銷售廠家,液位開關(guān)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401927357633327/4371858.png"></div><p style="text-indent:25px">電纜浮球液位開關(guān)儀表接線 1 將浮動(dòng)開關(guān)的電線穿過塑料重錘。 2 用塑料扣套將重錘固定在所要設(shè)定水位的位置處電線上。 3 將電線拉到控制箱，盡量避免使用中間接頭，若需有接頭時(shí)，不可將接頭浸入液體中。使用棕色和黑色的電線：浮球在下液位時(shí)，接點(diǎn)是不通的狀態(tài)。浮球在上液位時(shí)，接點(diǎn)是接通的狀態(tài)。使用藍(lán)色和棕色的電線：浮球在上液位時(shí)，接點(diǎn)是不通的狀態(tài)。浮球在下液位時(shí)，接點(diǎn)是接通的狀態(tài)。液位在浮標(biāo)體下側(cè)時(shí),浮標(biāo)下垂,棕色線(共線COM)與黑線(常開NC)處于斷開狀態(tài),棕色線與藍(lán)色線(常閉NO)處于接通狀態(tài). 當(dāng)液位上升,浮標(biāo)體跟隨浮起,并上揚(yáng)28度左右（SUS材質(zhì)開關(guān)為10度左右）時(shí),棕色線與黑色線閉合,棕色線與藍(lán)色線斷開.從而達(dá)到控制目的. 當(dāng)液位下降時(shí),浮標(biāo)體跟隨下降直到浮標(biāo)體與水平線向下達(dá)28度左右（SUS材質(zhì)開關(guān)為10度左右）時(shí),各控制點(diǎn)恢復(fù)起始狀態(tài).在水處理中，液位控制往往關(guān)系到整個(gè)工藝的安全性、經(jīng)濟(jì)性和可行性。寧波音叉式液位開關(guān)銷售廠家</p><p style="text-indent:25px">超聲波液位計(jì)測量有腐蝕（酸、堿）的介質(zhì)、有污染的場合，易產(chǎn)生粘附物的物質(zhì)。寧波音叉式液位開關(guān)銷售廠家</p><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(jìn)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(fù)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(shí)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)。寧波音叉式液位開關(guān)銷售廠家</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司主要經(jīng)營范圍是五金、工具，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。南儀測控技術(shù)致力于為客戶提供良好的壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事五金、工具多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。南儀測控技術(shù)立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2745737.html</p></div></div></div></div></div><div id="swvr783" class="page-right twoColRt"><div id="gasurov" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ujqiugi" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="o8hzwok" 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