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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tfwt97p" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252637996595/625671.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vkcuyxy" 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>廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi),電子</p><p><span>***更新：</span>2021-01-24 03:10:23</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="cbyvfhz" 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(huà): </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(jī): </span>021-33656071</p><p><span>地址: </span>金海公路3265號(hào)18幢7層</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="tnkm9x8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="y3dp433" class="box"><p><p style="text-indent:25px">電子壓力開(kāi)關(guān)要怎么來(lái)進(jìn)行選擇？電子壓力開(kāi)關(guān)是一款不論是從外觀結(jié)構(gòu)還是使用性能方面都比機(jī)械壓力開(kāi)關(guān)優(yōu)越的智能化開(kāi)關(guān)，因此，電子壓力開(kāi)關(guān)的靈敏度也自然比其高，如何選擇電子壓力開(kāi)關(guān)的靈敏度，廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)。通常，在開(kāi)關(guān)的線性范圍內(nèi)，廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)，都是希望開(kāi)關(guān)的靈敏度越高越好。因?yàn)橹挥徐`敏度高時(shí)，廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)，與被測(cè)量變化對(duì)應(yīng)的輸出信號(hào)的值才比較大，有利于信號(hào)處理。但要注意的是，當(dāng)電子壓力開(kāi)關(guān)的靈敏度高，與被測(cè)量無(wú)關(guān)的外界噪聲也容易混入，也會(huì)被放大系統(tǒng)放大，影響測(cè)量精度。因此，要求壓力開(kāi)關(guān)本身應(yīng)具有較高的信噪比，盡量減少?gòu)耐饨缫氲母蓴_信號(hào)。由于電子壓力開(kāi)關(guān)的靈敏度是有方向性的，當(dāng)被測(cè)量是單向量，而且對(duì)其方向性要求較高，則應(yīng)選擇其它方向靈敏度小的開(kāi)關(guān)；如果被測(cè)量是多維向量，則要求傳感器的交叉靈敏度越小越好。電子渦街流量傳感器的使用是比較多的。廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252637996595/625671.png"></div><p style="text-indent:25px">電子式流量開(kāi)關(guān)SN10系列的原理特點(diǎn)：基于熱式原理，在密封的探頭內(nèi)包含兩個(gè)電阻，其中一個(gè)未被加熱作為探測(cè)電阻，另一個(gè)未被加熱作為基準(zhǔn)電阻，當(dāng)介質(zhì)流動(dòng)時(shí)，加熱電阻上的熱量被帶走，電阻值被改變，兩個(gè)電阻差值被用作判斷流速的依據(jù)。無(wú)活動(dòng)部件，免維護(hù)，安裝方便，一種型號(hào)適用于多種管徑要求，開(kāi)關(guān)量連續(xù)可調(diào)，極低的壓力損失，結(jié)構(gòu)緊湊，LED 顯示流動(dòng)趨勢(shì)及開(kāi)關(guān)狀態(tài)。產(chǎn)品應(yīng)用：氣液兩用型，低流速報(bào)警，可用于氣動(dòng)和液壓系統(tǒng)，可用于循環(huán)水，切削液及潤(rùn)滑油的斷流檢測(cè)，以及泵的空轉(zhuǎn)保護(hù)。廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)電子壓力開(kāi)關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252946277251/5689192.png"></div><p style="text-indent:25px">電子插入式流量傳感器工作原理是基于法拉第電磁感應(yīng)定律。在電磁流量傳感器中，測(cè)量管內(nèi)的導(dǎo)電介質(zhì)相當(dāng)于法拉第試驗(yàn)中的導(dǎo)電金屬桿，上下兩端的兩個(gè)電磁線圈產(chǎn)生恒定磁場(chǎng)。當(dāng)有導(dǎo)電介質(zhì)流過(guò)時(shí)，則會(huì)產(chǎn)生感應(yīng)電壓。管道內(nèi)部的兩個(gè)電極測(cè)量產(chǎn)生的感應(yīng)電壓。測(cè)量管道通過(guò)不導(dǎo)電的內(nèi)襯（橡膠，特氟隆等）實(shí)現(xiàn)與流體和測(cè)量電極的電磁隔離。水流量傳感器主要由銅閥體、水流轉(zhuǎn)子組件、穩(wěn)流組件和霍爾元件組成。它裝在熱水器的進(jìn)水端用于測(cè)量進(jìn)水流量。當(dāng)水流過(guò)轉(zhuǎn)子組件時(shí)，磁性轉(zhuǎn)子轉(zhuǎn)動(dòng)，并且轉(zhuǎn)速隨著流量成線性變化?；魻栐敵鱿鄳?yīng)的脈沖信號(hào)反饋給控制器，由控制器判斷水流量的大小，調(diào)節(jié)控制比例閥的電流，從而通過(guò)比例閥控制燃?xì)鈿饬浚苊馊細(xì)鉄崴髟谑褂眠^(guò)程中出現(xiàn)夏暖冬涼的現(xiàn)象。</p><p style="text-indent:25px">電子渦流流量計(jì)的結(jié)構(gòu)：電子渦流流量計(jì)的基本結(jié)構(gòu)，流量脊由外殼、渦流發(fā)生器和頻率檢測(cè)元件等組成。渦流發(fā)生器的下端沿樅向自由支撐，上端固定在外殼的孔內(nèi)，通過(guò)密封圈再用壓板予以固定。在渦流發(fā)生器的內(nèi)部裝有壓電元件，用來(lái)通過(guò)體內(nèi)的應(yīng)力變化檢測(cè)出渦流的頻率。渦流發(fā)生器與流體接觸部分的截面為梯形，這種形狀能使流速與渦流的頻率具有良好的線性。當(dāng)渦流發(fā)生時(shí)，其內(nèi)部將產(chǎn)生一定的應(yīng)力，這種應(yīng)力經(jīng)壓電元件檢測(cè)后，用電路對(duì)得到的信號(hào)進(jìn)行處理，從而得到跟渦流頻率對(duì)應(yīng)的脈沖頻率，較終以模擬電壓的形式輸出。電子渦流頻率的檢測(cè)方法有許多種，可利用加熱體的冷卻方法來(lái)檢測(cè)渦流非生產(chǎn)性器周?chē)蛢?nèi)部流體流動(dòng)的周期變化，也可以通過(guò)個(gè)種傳感器檢測(cè)流體振動(dòng)所產(chǎn)生的力的周期變化。購(gòu)買(mǎi)電子壓力開(kāi)關(guān)需要注意什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252697225128/4591127.png"></div><p style="text-indent:25px">電子液位開(kāi)關(guān)傳感器的原理是什么？液位變送器是采用隔離型擴(kuò)散硅壓力傳感器，液位壓力會(huì)改變應(yīng)力測(cè)量元件的值，從而改變測(cè)量信號(hào)，該信號(hào)被集成電路處理后轉(zhuǎn)換為工業(yè)標(biāo)準(zhǔn)電信號(hào)輸出。1.全金屬外殼設(shè)計(jì)。2.采用高亮型LED數(shù)字顯示，使得該系列產(chǎn)品能夠被用于各種工業(yè)場(chǎng)合。3.雙鍵設(shè)計(jì)和用戶(hù)友好的菜單使產(chǎn)品使用更加方便。4.多種連接方式可以充分滿(mǎn)足各種特定的安裝需求。5.可330°旋轉(zhuǎn)的顯示頭能保證在不同安裝方式下獲得較佳觀察角度。6.適用于非結(jié)晶介質(zhì)。7.可做高精度防堵塞型產(chǎn)品，可測(cè)量粘性介質(zhì)。8.可加裝特氟龍涂層的方式達(dá)到抗腐蝕的要求。電子壓力開(kāi)關(guān)注意事項(xiàng)：要注意防止電子壓力開(kāi)關(guān)長(zhǎng)時(shí)間不工作引起的元件毀壞，造成隱患。遼寧壓差開(kāi)關(guān)訂購(gòu)</p><p style="text-indent:25px">電子壓力開(kāi)關(guān)的可靠性比較高。廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)</p><p style="text-indent:25px">電子渦流流量計(jì)的基本結(jié)構(gòu)：量脊由外殼、渦流發(fā)生器和頻率檢測(cè)元件等組成。渦流發(fā)生器的下端沿樅向自由支撐，上端固定在外殼的孔內(nèi)，通過(guò)密封圈再用壓板予以固定。在渦流發(fā)生器的內(nèi)部裝有壓電元件，用來(lái)通過(guò)體內(nèi)的應(yīng)力變化檢測(cè)出渦流的頻率。渦流發(fā)生器與流體接觸部分的截面為梯形，這種形狀能使流速與渦流的頻率具有良好的線性。當(dāng)渦流發(fā)生時(shí)，其內(nèi)部將產(chǎn)生一定的應(yīng)力，這種應(yīng)力經(jīng)壓電元件檢測(cè)后，用電路對(duì)得到的信號(hào)進(jìn)行處理，從而得到跟渦流頻率對(duì)應(yīng)的脈沖頻率，較終以模擬電壓的形式輸出。電子渦流頻率的檢測(cè)方法有許多種，可利用加熱體的冷卻方法來(lái)檢測(cè)渦流非生產(chǎn)性器周?chē)蛢?nèi)部流體流動(dòng)的周期變化，也可以通過(guò)個(gè)種傳感器檢測(cè)流體振動(dòng)所產(chǎn)生的力的周期變化。廣州電子式流量開(kāi)關(guān)購(gòu)買(mǎi)</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2982425.html</p></div></div></div></div></div><div id="8lu3qsz" class="page-right twoColRt"><div id="yn8szbs" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nxur978" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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