廣東電子溫度報(bào)警器上海油威液壓成套設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電子渦流流量傳感器功能特性：目前可以根據(jù)水流量的大小設(shè)計(jì)擋板，減少水流通過流量傳感器產(chǎn)生的水阻力，減少水系統(tǒng)壓頭損失，但由于擋板式長(zhǎng)期受水流的沖擊仍然有疲勞的問題，即使在工廠標(biāo)定好流量值的也會(huì)發(fā)生設(shè)定點(diǎn)飄移。通常在保護(hù)流量值不要求精確的地方"><meta name="keywords" content="廣東電子溫度報(bào)警器,電子"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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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>廣東電子溫度報(bào)警器,電子</p><p><span>***更新：</span>2021-01-18 10:14:31</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="378jah7" 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(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="8x3t7d2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qubynk2" class="box"><p><p style="text-indent:25px">電子渦流流量傳感器功能特性：目前可以根據(jù)水流量的大小設(shè)計(jì)擋板，減少水流通過流量傳感器產(chǎn)生的水阻力，減少水系統(tǒng)壓頭損失，但由于擋板式長(zhǎng)期受水流的沖擊仍然有疲勞的問題，即使在工廠標(biāo)定好流量值的也會(huì)發(fā)生設(shè)定點(diǎn)飄移。通常在保護(hù)流量值不要求精確的地方使用，即用于水管內(nèi)的水流突然中斷的斷流保護(hù)。在國(guó)內(nèi)針對(duì)水源熱泵機(jī)組設(shè)計(jì)的非常少，廣東電子溫度報(bào)警器。擋板式是專門針對(duì)水環(huán)/地源熱泵空調(diào)機(jī)組的水流量監(jiān)控而開發(fā)的，廣東電子溫度報(bào)警器，它針對(duì)不同的管徑配有不同的擋片，每種擋片的水阻不超過0，廣東電子溫度報(bào)警器.5米水柱，相比靶式水阻已很大降低。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。廣東電子溫度報(bào)警器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子溫度報(bào)警器,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252628162521/6638522.png"></div><p style="text-indent:25px">用戶在選取流量傳感器的時(shí)候，應(yīng)該根據(jù)自身的需要選擇合適的傳感器。很多用戶對(duì)使用的傳感器的要求程度不一樣，因此所選取的標(biāo)準(zhǔn)也不一樣。如果需要很專業(yè)的數(shù)據(jù)和結(jié)果，就應(yīng)該選取國(guó)家標(biāo)準(zhǔn)。但是，如果只是作為企業(yè)中的一種簡(jiǎn)單儀器來進(jìn)行大概分析的話，就可以選取企業(yè)標(biāo)準(zhǔn)。如果要選購流量傳感器，大家一定要慎重考慮，而且選擇一些質(zhì)量有保證，比較好用的傳感器。因?yàn)?，很多人以為新的傳感器，它們的技術(shù)就會(huì)越高，這是很片面的想法。新的產(chǎn)品，要具備成熟的技術(shù)才是好的產(chǎn)品。高壓開關(guān)采購電子壓力開關(guān)本身應(yīng)具有較高的信噪比。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子溫度報(bào)警器,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252697225128/4591127.png"></div><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(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)電子壓力開關(guān)的靈敏度高，與被測(cè)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(cè)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(hào)。由于電子壓力開關(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。</p><p style="text-indent:25px">電子壓力傳感器在安全控制系統(tǒng)中經(jīng)常應(yīng)用，主要針對(duì)的領(lǐng)域是空壓機(jī)自身的安全管理系統(tǒng)。在安全控制領(lǐng)域有很多傳感器應(yīng)用，壓力傳感器作為一種非常常見的傳感器，在安全控制系統(tǒng)中應(yīng)用也不足為奇。在安全控制領(lǐng)域應(yīng)用一般從性能方面來考慮，從價(jià)格上的考慮，還有從實(shí)際操作的安全性方便性來考慮，實(shí)際證明選擇壓力傳感器的效果非常好。壓力傳感器利用機(jī)械設(shè)備的加工技術(shù)將一些元件以及信號(hào)調(diào)節(jié)器等裝置安裝在一塊很小的芯片上面。所以體積小也是它的優(yōu)點(diǎn)之一，除此之外，價(jià)格便宜也是它的另一大優(yōu)點(diǎn)。在一定程度上它能夠提高系統(tǒng)測(cè)試的準(zhǔn)確度。在安全控制系統(tǒng)中，通過在出氣口的管道設(shè)備中安裝壓力傳感器來在一定程度上控制壓縮機(jī)帶來的壓力，這算是一定的保護(hù)措施，也是非常有效的控制系統(tǒng)。為什么電子壓力開關(guān)取代機(jī)械型號(hào)？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子溫度報(bào)警器,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252898953289/6433656.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(cè)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(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)可以進(jìn)行更精細(xì)的切換。廣東電子溫度報(bào)警器</p><p style="text-indent:25px">電子壓力開關(guān)使用起來更加靈活。廣東電子溫度報(bào)警器</p><p style="text-indent:25px">電子壓力開關(guān)故障處理：1、通電無顯示：查看插頭接線有無錯(cuò)誤。2、加壓無變化：檢測(cè)接通壓力；在加壓力的情況下，按鍵進(jìn)入內(nèi)部查看零點(diǎn)（oooo）AD值。3、按鍵無反應(yīng)：查看按鍵是否因太高頂?shù)矫姘灏粹o上；按下有按鍵的響聲但面板無顯示相關(guān)按鍵操作的顯示，應(yīng)是按鍵損壞；按鍵按下聽不到按鍵響聲，此故障為按鍵太低，可能是按鍵上面的軟膠損壞。4、繼電器不動(dòng)作：查看動(dòng)作點(diǎn)是否設(shè)置對(duì)，回差值有無設(shè)置（一般情況下回差值設(shè)置為0）；聽繼電器有無吸合響聲，如果沒有，應(yīng)該是繼電器壞。5、指示燈不亮：看能否切換到其它單位上面看亮不亮，如果亮則原來單位指示燈已壞。6、壓力值顯示不準(zhǔn)：如果壓力值不準(zhǔn)確，在沒有壓力情況下重新清零一次或在穩(wěn)定壓力情況下，進(jìn)入內(nèi)部設(shè)置參數(shù)把它改成3700左右。7、指示燈亮但數(shù)碼管無顯示：斷電等幾秒然后重新上電即可。8、顯示不正常：若一加壓顯示F—H，應(yīng)該是傳感器壞了，需要返廠維修。廣東電子溫度報(bào)警器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2901936.html</p></div></div></div></div></div><div id="wvbdfco" class="page-right twoColRt"><div id="yubsrln" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="x8nvc3k" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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