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clearfix tcPro"><section class="home-main container clearfix"><div id="y2tmjqs" class="twoCol"><div id="i3rjvcj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a 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-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機(jī)械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機(jī)械及組配件</a>?北京電子式壓力開關(guān) 上海油威液壓成套設(shè)備供應(yīng)</p><div id="jds4mya" class="leftbox clearfix"><h1>北京電子式壓力開關(guān) 上海油威液壓成套設(shè)備供應(yīng)</h1><div id="xro4ub7" class="proBig"><div id="nrzdpry" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252733572709/1001067.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3b73yvs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252733572709/1001067.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u33tq3t" 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>北京電子式壓力開關(guān),電子</p><p><span>***更新：</span>2021-01-12 12:25:46</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hbdsjq3" 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: </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="2mg9rt3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gpr4h8j" class="box"><p><p style="text-indent:25px">電子壓力開關(guān)保持其正常性能所能承受的較大壓力。但是當(dāng)電子壓力開關(guān)用于過壓場合時(shí)，敏感元件將會(huì)產(chǎn)生持續(xù)形變，這時(shí)壓力設(shè)定值將變化，電子壓力開關(guān)將不能發(fā)揮其正常性能甚至可能損壞。精度：表示設(shè)備準(zhǔn)確程度的值，包括線性度、公差、遲滯、重復(fù)性等。目前壓力開關(guān)較高精度可達(dá)到±0，北京電子式壓力開關(guān).5%F.S，型號為CB33，北京電子式壓力開關(guān)。較大壓力（Max.P）：壓力范圍的較大值。滿量程（F.S）：壓力范圍較大值和較小值的差值。接斷差（死區(qū)）：是指電子壓力開關(guān)設(shè)定動(dòng)作值和復(fù)位值的差值，例如當(dāng)設(shè)定、值為1MPa，實(shí)際復(fù)位值為0.9MPa時(shí)，北京電子式壓力開關(guān)，接斷差為0.1MPa。為了避免損害電子壓力開關(guān)的器件，要在說明書范圍內(nèi)才能夠正常使用。北京電子式壓力開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電子式壓力開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252733572709/1001067.png"></div><p style="text-indent:25px">購買電子壓力開關(guān)要知道它的的輸出信號。壓力開關(guān)的種類很多，但是如何從眾多的壓力開關(guān)中選擇適用的呢?這里便有一個(gè)小竅門，通過判斷壓力開關(guān)的輸出信號的類型確定選擇哪種壓力開關(guān)。模擬輸出指的是如需要輸出4-20mA的模擬信號的話，應(yīng)選用壓力變送器;如果輸出的是開關(guān)信號的話，別忘記要注意是選擇常開觸點(diǎn)，還是常閉觸點(diǎn)。3、電子壓力開關(guān)需要怎樣的接口，客戶一定要注意選擇合適的接口螺紋，避免沒有注意到這方面而導(dǎo)致另加連接件，較終和廠家退換貨，耽誤使用。4、電子壓力開關(guān)使用的環(huán)境溫度及介質(zhì)的溫度。電子壓力開關(guān)的內(nèi)部材質(zhì)材質(zhì)直接決定了壓力開關(guān)的使用環(huán)境的溫度，溫度如果使用不當(dāng)，會(huì)使壓力開關(guān)不動(dòng)作或誤動(dòng)作，比如壓力開關(guān)的死區(qū)直接影響了壓力開關(guān)的使用性能，從而直接影響用戶的使用。北京電子式壓力開關(guān)采購電子壓力開關(guān)一定要去正規(guī)的廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電子式壓力開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252649295319/6559056.png"></div><p style="text-indent:25px">選擇電子壓力開關(guān)時(shí)就要注意到量程的選擇和電子壓力開關(guān)的工作環(huán)境。量程的選擇一定要符合工作條件；工作環(huán)境如果是震動(dòng)、沖擊的場所，需要加裝固定裝置固定電子壓力開關(guān)，如果是潮濕環(huán)境需要將入口點(diǎn)密封起來防止?jié)駳獾倪M(jìn)入。操作時(shí)，電子壓力開關(guān)可允許在啟動(dòng)和測試時(shí)達(dá)到大壓力和高溫度，但是如果是持續(xù)不斷的工作，則需嚴(yán)格按照范圍內(nèi)的數(shù)值操作。而且電子壓力開關(guān)在作業(yè)時(shí)，要有專員時(shí)刻觀察壓力開關(guān)的元件，檢查是否有設(shè)定點(diǎn)漂移的情況，防止意外的發(fā)生。平時(shí)對電子壓力開關(guān)的預(yù)防性維護(hù)也很重要，不經(jīng)常使用電子壓力開關(guān)時(shí)，需要一個(gè)備用件，防止電子壓力開關(guān)長時(shí)間不工作引起的元件毀壞，造成隱患。</p><p style="text-indent:25px">電子壓力開關(guān)靈敏度的選擇：電子壓力開關(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)械壓力開關(guān)優(yōu)越的智能化開關(guān)，因此，電子壓力開關(guān)的靈敏度也自然比其高，如何選擇電子壓力開關(guān)的靈敏度。通常，在開關(guān)的線性范圍內(nèi)，都是希望開關(guān)的靈敏度越高越好。因?yàn)橹挥徐`敏度高時(shí)，與被測量變化對應(yīng)的輸出信號的值才比較大，有利于信號處理。但要注意的是，當(dāng)電子壓力開關(guān)的靈敏度高，與被測量無關(guān)的外界噪聲也容易混入，也會(huì)被放大系統(tǒng)放大，影響測量精度。因此，要求壓力開關(guān)本身應(yīng)具有較高的信噪比，盡量減少從外界引入的干擾信號。由于電子壓力開關(guān)的靈敏度是有方向性的，當(dāng)被測量是單向量，而且對其方向性要求較高，則應(yīng)選擇其它方向靈敏度小的開關(guān)；如果被測量是多維向量，則要求傳感器的交叉靈敏度越小越好。電子壓力開關(guān)的內(nèi)部材質(zhì)材質(zhì)直接決定了壓力開關(guān)的使用環(huán)境的溫度，溫度如果使用不當(dāng)，會(huì)使壓力開關(guān)不動(dòng)作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電子式壓力開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252697225128/4591127.png"></div><p style="text-indent:25px">在電子渦街流量傳感器的設(shè)旋渦的發(fā)生頻率為f，被測介質(zhì)平均流速為，旋渦發(fā)生體迎流面寬度為d，表體通徑為D，即可得到以下關(guān)系式：f=SrU1/d=SrU/md，式中　U1--旋渦發(fā)生體兩側(cè)平均流速，m/s；Sr--斯特勞哈爾數(shù)；m--旋渦發(fā)生體兩側(cè)弓形面積與管道橫截面面積之比管道內(nèi)體積流量qv為　qv=πD2U/4=πD2mdf/4Sr 。K=f/qv=[πD2md/4Sr]-1。式中 K--流量計(jì)的儀表系數(shù)，脈沖數(shù)/m3（P/m3）。由上式可以看出流量傳感器的輸出頻率只于旋渦發(fā)生體及管道的形狀尺寸等有關(guān)。電子元件輸出相應(yīng)的脈沖信號反饋給控制器，由控制器判斷水流量的大小，調(diào)節(jié)控制比例閥的電流，從而通過比例閥控制燃?xì)鈿饬?，避免燃?xì)鉄崴髟谑褂眠^程中出現(xiàn)夏暖冬涼的現(xiàn)象。電子壓力開關(guān)保持其正常性能所能承受的較大壓力。廣東壓力自動(dòng)開關(guān)價(jià)格</p><p style="text-indent:25px">電子壓力開關(guān)在潮濕的地方要將入口點(diǎn)密封起來防止?jié)駳獾倪M(jìn)入。北京電子式壓力開關(guān)</p><p style="text-indent:25px">電子渦流流量傳感器的每個(gè)擋板式流量傳感器都配有與水環(huán)熱泵機(jī)組水管相同的管件，現(xiàn)場只需連接上水管即可，不需對擋片做任何改變，另外擋板式水流開關(guān)的承壓大于25bar，在對水流量要求不高的水環(huán)熱泵機(jī)組是一個(gè)低成本的水流開關(guān)。經(jīng)過在水環(huán)/地源熱泵機(jī)組上使用的反饋來看，壓差開關(guān)能有效判斷水環(huán)熱泵機(jī)組現(xiàn)場安裝的水管路的問題，能徹底避免水流量少造成換熱器凍壞的情況，流量傳感器也可以保護(hù)由于水過濾器堵塞造成的水流量下降時(shí)換熱器凍壞的情況，另外水管路壓差開關(guān)沒有靶流開關(guān)疲勞破壞的風(fēng)險(xiǎn)。尤其在水管路有少量空氣時(shí)，流量傳感器工作非常穩(wěn)定，不會(huì)出現(xiàn)類似靶流開關(guān)的漂浮情況，經(jīng)過多年使用的反饋未發(fā)現(xiàn)壓差開關(guān)本身有故障的情況。北京電子式壓力開關(guān)</p><p style="text-indent:25px">上海油威液壓成套設(shè)備有限公司是一家廠家源頭，專業(yè)的液壓油缸，液壓缸，油缸，液壓系統(tǒng)的的生產(chǎn)廠家。銷售液壓系統(tǒng)，液壓泵站，液壓油缸，液壓元件。液壓系統(tǒng)提供配套咨詢，設(shè)計(jì)方案。可代加工。非標(biāo)訂制，來電咨詢。成熟的液壓元件經(jīng)銷商，各品牌可來電預(yù)定，咨詢。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。公司自創(chuàng)立以來，投身于液壓系統(tǒng)，液壓元件，液壓油缸，是機(jī)械及行業(yè)設(shè)備的主力軍。上海油威液壓不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。上海油威液壓始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2816274.html</p></div></div></div></div></div><div id="nce4kel" class="page-right twoColRt"><div id="7rysz3f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vp2gia3" class="recomPic likePro"><a href="http://www.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) 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