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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>廣州壓力開關(guān),電子</p><p><span>***更新：</span>2021-02-03 05:20:54</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="kzbdnjg" 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="tnkczl3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ujgnfhj" class="box"><p><p style="text-indent:25px">電子式流量開關(guān)SN10系列的原理特點：基于熱式原理，廣州壓力開關(guān)，在密封的探頭內(nèi)包含兩個電阻，其中一個未被加熱作為探測電阻，另一個未被加熱作為基準(zhǔn)電阻，當(dāng)介質(zhì)流動時，加熱電阻上的熱量被帶走，電阻值被改變，兩個電阻差值被用作判斷流速的依據(jù)。無活動部件，廣州壓力開關(guān)，免維護(hù)，安裝方便，一種型號適用于多種管徑要求，開關(guān)量連續(xù)可調(diào)，極低的壓力損失，結(jié)構(gòu)緊湊，LED 顯示流動趨勢及開關(guān)狀態(tài)。產(chǎn)品應(yīng)用：氣液兩用型，低流速報警，可用于氣動和液壓系統(tǒng)，可用于循環(huán)水，切削液及潤滑油的斷流檢測，以及泵的空轉(zhuǎn)保護(hù)，廣州壓力開關(guān)。不經(jīng)常使用電子壓力開關(guān)時，需要一個備用件。廣州壓力開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州壓力開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252628162521/6638522.png"></div><p style="text-indent:25px">電子壓力開關(guān)使用需要注意些什么？1、為了避免損害電子壓力開關(guān)的器件，嚴(yán)格控制說明書中說明的耐壓和較高溫度，一定要在說明書范圍內(nèi)才能夠正常使用。盡管操作中可以允許在啟動和測試時達(dá)到較大壓力和較高溫度，但是為了不減少傳感器的壽命，一定要嚴(yán)格安裝范圍制定的數(shù)據(jù)來操作。2、電子壓力開關(guān)的備用件是防止在在惡劣環(huán)境應(yīng)用中，元件的損壞所引起危及到生命和財產(chǎn)，或高低限的失控將導(dǎo)致系統(tǒng)崩潰的情況，因此備用件是非常重要的。3、電子壓力開關(guān)控制器量程的選擇很關(guān)鍵，確保在無意甚至有意的情況下的設(shè)定值錯誤選擇也不會導(dǎo)致系統(tǒng)安全上有隱患。4、在震動，沖擊的地方或者溫度變化大的地方不會損害或影響控制器，但是在潮濕的地方要將入口點密封起來防止?jié)駳獾倪M(jìn)入。出貨后禁止改變或修整元件，如果必須更改，必須先要和專業(yè)的人員咨詢。小型電子液位開關(guān)品牌為了避免損害電子壓力開關(guān)器件，耐壓和較高溫度不能超過說明書內(nèi)允許的范圍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州壓力開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252664519896/3493820.png"></div><p style="text-indent:25px">目前使用的壓力開關(guān)存在如下問題：（1）工作不可靠在對進(jìn)站壓力開關(guān)進(jìn)行校驗時多次發(fā)現(xiàn)，當(dāng)給定壓力低于設(shè)定壓力時，壓力開關(guān)仍不動作，當(dāng)用物體敲擊時又恢復(fù)正常。（2）誤動作用戶反應(yīng)曾多次發(fā)生當(dāng)管線內(nèi)壓力產(chǎn)生輕微波動時造成甩泵。致使某些壓力開關(guān)長期不能投用，使輸油泵失去應(yīng)有的保護(hù)，帶來不安全因素。（3）精度低、校準(zhǔn)難在校驗時需反復(fù)進(jìn)行試驗才能確定設(shè)定值。（4）密閉流程解除后由于進(jìn)站壓力較低，使壓力開關(guān)無法使用。為解決現(xiàn)有壓力開關(guān)存在的這些問題，研制高可靠性、高精度和智能電子壓力開關(guān)十分必要。</p><p style="text-indent:25px">電子液位開關(guān)傳感器技術(shù)參數(shù)：測量范圍：用戶自定義，過載壓力：1.5倍測量范圍（1bar=1019.7cm水柱），測量介質(zhì)：腐蝕性兼容不銹鋼 304 的液體，耐壓：50bar，介質(zhì)密度：≥0.7g/cm3，供電電壓：12...30Vdc，空載電流消耗：較大 30mA,24Vdc 供電時開關(guān)輸出：輸出類型：PNP 、NPN 可選常開常閉可設(shè)定S1，S2 輸出電流：<500mA，響應(yīng)時間<10ms，開關(guān)準(zhǔn)確度：≤±0.5%量程，電流型模擬輸出：≤±0.5%量程，輸出類型：4...20mA 可設(shè)置，負(fù)載 RA:≤0.5KOhm，線性度：≤ 0.5%量程，接線保護(hù)：反相，過載，短路保護(hù)顯示：設(shè)計：紅色 4 位 8mm 高亮度 LED顯示范圍：999...9999，準(zhǔn)確度：≤±0.5%量程，穩(wěn)定性（年漂移量）：≤±0.02%量程，溫度：介質(zhì)溫度：-10...70℃。環(huán)境溫度：-35...85℃，儲存溫度：-40...125℃。材料：表頭外殼：工程塑料。殼體：不銹鋼 304。介質(zhì)接觸部分：不銹鋼 304，特氟龍涂層（防腐型），浮球：304不銹鋼，防護(hù)等級：IP67。電子液位傳感器是一種測量液位的壓力傳感器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州壓力開關(guān),電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252712449650/1153482.png"></div><p style="text-indent:25px">電子開關(guān)的使用是需要注意的。電子開關(guān)的信號自動分段技術(shù)是經(jīng)過對現(xiàn)場信號多次模型分析，采用信號自動分段技術(shù)與模型識別技術(shù)從而能有效的克服壓力波動等各種干擾，提高壓力開關(guān)的可靠性。信號自動分段方法的基本原理是選用一個固定的窗選取平穩(wěn)運行的信號作為參考段，不斷與當(dāng)前信號作比較，非平穩(wěn)性（如上站停泵引起的信號特性的變化）可以由不同段之間的過程統(tǒng)計特性和頻譜性的改變顯示出來。一般根據(jù)幾種判據(jù)，當(dāng)判據(jù)大于一定的閾值或當(dāng)前段低于設(shè)定值時，就認(rèn)為信號進(jìn)入了另一段（異常段）。電子壓力開關(guān)在潮濕的地方要將入口點密封起來防止?jié)駳獾倪M(jìn)入。廣州壓力開關(guān)</p><p style="text-indent:25px">用戶在選取電子渦街流量傳感器的時候，應(yīng)該根據(jù)自身的需要選擇合適的傳感器。廣州壓力開關(guān)</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)定好流量值的也會發(fā)生設(shè)定點飄移。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)。在國內(nèi)針對水源熱泵機(jī)組設(shè)計的非常少。擋板式是專門針對水環(huán)/地源熱泵空調(diào)機(jī)組的水流量監(jiān)控而開發(fā)的，它針對不同的管徑配有不同的擋片，每種擋片的水阻不超過0.5米水柱，相比靶式水阻已很大降低。廣州壓力開關(guān)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3135411.html</p></div></div></div></div></div><div id="39gipb8" class="page-right twoColRt"><div id="dhjq33n" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7g2u3dk" 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) 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 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