外縛式超聲波流量計(jì)** 來電咨詢西安倫騫電器設(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="對(duì)外部環(huán)境的要求渦街流量計(jì)避免安裝在溫度變化很大的場所和收到設(shè)備熱輻射，若必須安裝時(shí)，須有隔熱通風(fēng)的措施。傳感器避免安裝在含有腐蝕性氣體的環(huán)境中，若必須安裝時(shí)，須有通風(fēng)措施。傳感器比較好安裝在室內(nèi)，必須安裝在室外時(shí)，須有防潮和防曬措施，注意"><meta name="keywords" content="外縛式超聲波流量計(jì)**,流量計(jì)"><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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來電咨詢西安倫騫電器設(shè)備供應(yīng)</h1><div id="wfht82k" class="proBig"><div id="3zamkst" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519894707031/5463.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fynl84p" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519894707031/5463.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="t7zlerh" 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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>外縛式超聲波流量計(jì)**,流量計(jì)</p><p><span>***更新：</span>2020-11-28 01:15:05</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="obriy8r" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機(jī): </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號(hào)軍民融合創(chuàng)新港</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="c8uwbe3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3ww8jud" class="box"><p><p style="text-indent:25px">對(duì)外部環(huán)境的要求渦街流量計(jì)避免安裝在溫度變化很大的場所和收到設(shè)備熱輻射，若必須安裝時(shí)，須有隔熱通風(fēng)的措施。傳感器避免安裝在含有腐蝕性氣體的環(huán)境中，若必須安裝時(shí)，須有通風(fēng)措施。傳感器比較好安裝在室內(nèi)，必須安裝在室外時(shí)，須有防潮和防曬措施，注意水是否會(huì)順著電纜線流入放大器盒內(nèi)，外縛式超聲波流量計(jì)**，接線時(shí)，外縛式超聲波流量計(jì)**，在電氣接口外部將電纜線彎成U型。安裝傳感器的周圍須有充裕的空間，應(yīng)有照明燈和電源插座，外縛式超聲波流量計(jì)**，以便安裝接線和定期維護(hù)。傳感器的接線位置要遠(yuǎn)離電噪聲，如大功率變壓器、電動(dòng)機(jī)和電源等。傳感器安裝點(diǎn)附近不能有無線電收發(fā)機(jī)存在，否則高頻噪聲會(huì)干擾傳感器的正常使用。透明錐形管4用得普遍是由硼硅玻璃制成，習(xí)慣簡稱玻璃管浮子流量計(jì)。外縛式超聲波流量計(jì)**</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="外縛式超聲波流量計(jì)**,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519894707031/5463.png"></div><p> 大部分結(jié)構(gòu)浮子流量計(jì)只能用于自下向上垂直流的管道安裝。浮子流量計(jì)可用于較低雷諾數(shù)，選用粘度不敏感形狀的浮子，流通環(huán)隙處雷諾數(shù)只要大于40或500，雷諾數(shù)變化流量系數(shù)即保持常數(shù)，亦即流體粘度變化不影響流量系數(shù)。這數(shù)值遠(yuǎn)低于標(biāo)準(zhǔn)孔板等節(jié)流差壓式儀表比較低雷諾數(shù)104-105的要求。 </p> <p> 浮子流量計(jì)應(yīng)用局限于中小管徑，普通全流型浮子流量計(jì)不能用于大管徑，玻璃管浮子流量計(jì)比較大口徑100mm，金屬管浮子流量計(jì)為150mm，更大管徑只能用分流型儀表。 </p> <p> 使用流體和出廠標(biāo)定流體不同時(shí)，要作流量示值修正。液體用浮子流量計(jì)通常以水標(biāo)定，氣體用空氣標(biāo)定，如實(shí)際使用流體密度、粘度與之不同，流量要偏離原分度值，要作換算修正。外縛式超聲波流量計(jì)**金屬管浮子流量計(jì)是采用可變面積式測(cè)量原理，用于連續(xù)測(cè)量封閉管道中的液體和氣體的體積流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="外縛式超聲波流量計(jì)**,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520569794922/6545301.png"></div><p> 渦街流量計(jì)安裝對(duì)直管段的要求：正確地選擇安裝點(diǎn)和正確安裝流量計(jì)都是非常重要的環(huán)節(jié)，若安裝環(huán)節(jié)失誤輕者影響測(cè)量精度，重者會(huì)影響流量計(jì)的使用壽命，甚至?xí)p壞流量計(jì)。渦街流量計(jì)安裝對(duì)直管段的要求是非常重要的。它的詳細(xì)要求如***量計(jì)對(duì)安裝點(diǎn)上的上下游直管段一定的要求，否則會(huì)影響測(cè)量精度。若流量計(jì)安裝點(diǎn)上的上游有漸縮管，流量計(jì)上游應(yīng)有不小于15D(D為管道直徑)的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。若流量計(jì)安裝點(diǎn)上的上游有漸擴(kuò)管，流量計(jì)上游應(yīng)有不小于18D(D為管道直徑)的等徑直管段，下游應(yīng)有不小于5D的等徑直管段若流量計(jì)安裝點(diǎn)上游有90°彎頭或下行接頭，流量計(jì)上游應(yīng)有不小于**的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。若流量計(jì)安裝點(diǎn)上游在同一平面上有90°彎頭，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。流量調(diào)節(jié)閥或壓力調(diào)節(jié)閥盡量安裝在流量計(jì)下游5D以遠(yuǎn)處，若必須安裝在流量計(jì)的上游，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。流量計(jì)上游若有活塞式或柱塞式泵，活塞式或羅茨式風(fēng)機(jī)、壓縮機(jī)，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。 </p><p style="text-indent:25px">液體流量計(jì)是根據(jù)卡門渦原理制造用于測(cè)量密封管道中液體、氣體、蒸汽流量的精密儀表。液體流量計(jì)是根據(jù)卡門渦原理制造用于測(cè)量密封管道中液體、氣體、蒸汽流量的精密儀表，由于檢測(cè)元件密封在檢測(cè)體內(nèi)，不被測(cè)介質(zhì)，且內(nèi)部無可動(dòng)部件，無需進(jìn)行現(xiàn)場維護(hù)，因此深受廣大用戶的推崇，被廣用于紡織印染、石油、化工、冶金制藥、熱電、造紙，消防工業(yè)的計(jì)量管理及過程控制.有帶現(xiàn)場顯示3.6V電池供電和外供電源及輸出4-20mA;遠(yuǎn)傳顯示可配二次儀表液晶中文顯示，同時(shí)可帶溫度壓力補(bǔ)償。儀表直讀式，不需換算，使用方便，質(zhì)量可靠)。分流型相對(duì)于全流型只有部分被測(cè)流體流過浮子等流量檢測(cè)部分。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="外縛式超聲波流量計(jì)**,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520164541016/3121473.png"></div><p> 管道式電磁流量計(jì): </p> <p> 1．對(duì)直段的要求: </p> <p> 為了改善渦流與流場畸變的影響，流量計(jì)安裝的前、后直管段長度有一定要求，否則會(huì)影響測(cè)量精度（也可安裝整流器，盡量避免在靠近調(diào)節(jié)閥和半開閥門之后安裝）。 </p> <p> 2．對(duì)工藝管的要求: </p> <p> 流量計(jì)對(duì)安裝點(diǎn)的上、下游工藝管有一定的要求，否則影響測(cè)量精度。 </p> <p> a．上、下游工藝管的內(nèi)徑與傳感器的內(nèi)徑相同，并應(yīng)滿足：0.98DN≤D≤1.05DN（式中DN：傳感器內(nèi)徑，D：工藝管內(nèi)徑）; </p> <p> b．工藝管與傳感器必須同心，同軸偏差應(yīng)不大于0.05DN. </p> <p> 3．旁通管的要求: </p> <p> 為了方便檢修流量計(jì)，比較好為流量計(jì)安裝旁通管，另外，對(duì)重污染流體及流量計(jì)需清而流體不能停止的，必須安裝旁通管。 </p> <p> a．方便流量計(jì)的檢修; </p> <p> b．對(duì)重污染流體必須安裝; </p> <p> c．流體不能停止而流量計(jì)需清洗. 大量的投資被用于提升工廠的自動(dòng)化水平和現(xiàn)場數(shù)據(jù)的采集和實(shí)時(shí)監(jiān)控，以提升工廠的過程控制效率。外縛式超聲波流量計(jì)**</p><p style="text-indent:25px">流量計(jì)中正在更多地引入電子技術(shù)，如數(shù)字信號(hào)處理(DSP)和微處理器，這使得流量計(jì)具備了自診斷功能。外縛式超聲波流量計(jì)**</p><p> 超聲流量計(jì)可按下述原則來分類。(1)測(cè)量原理:時(shí)差法超聲流量計(jì);頻差法超聲流量計(jì);相差法超聲流量計(jì);多普勒超聲流量計(jì);液位測(cè)量和平均流速測(cè)量相結(jié)合的非滿管和渠道超聲流量計(jì)。(2)使用方式:便攜式超聲流量計(jì)，特點(diǎn):便攜使用，內(nèi)置可充電鋰電池，適合移動(dòng)測(cè)量，配接磁性傳感器。固定式(標(biāo)準(zhǔn)管段式)超聲流量計(jì)。(3)換能器的安裝方法:標(biāo)準(zhǔn)管段式超聲流量計(jì)，特點(diǎn):需切開管路安裝，但以后的維護(hù)可不停產(chǎn)?？蛇x擇單聲道或三聲道傳感器。外夾式超聲流量計(jì)，特點(diǎn):能夠完成固定和移動(dòng)測(cè)量。采用**耦合劑(室溫固化的硅橡膠或高溫長鏈聚合油脂)安裝，安裝時(shí)不損壞管路?，F(xiàn)場開孔插入式超聲流量計(jì)。(4)換能器與流體是否接觸:接觸式(插入式)超聲流量計(jì)，特點(diǎn):可不停產(chǎn)安裝和維護(hù)。非接觸式(外夾式)超聲流量計(jì)。(5)被測(cè)流體的性質(zhì):液體超聲流量計(jì);氣體超聲流量計(jì)。(6)換能器聲道的數(shù)目:單聲道超聲流量計(jì);兩聲道超聲流量計(jì);多聲道超聲流量計(jì)(3聲道以上，含3聲道)。外縛式超聲波流量計(jì)**</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2170655.html</p></div></div></div></div></div><div id="ateahxt" class="page-right twoColRt"><div id="lear3to" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="udtk8ta" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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