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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="xrjw3rc" 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="zyaswya" 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>智能靶式流量計(jì)制造商,流量計(jì)</p><p><span>***更新：</span>2020-09-10 01:08:24</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="yczwy8r" 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="lzl8bd3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nb8qn4g" class="box"><p>電磁流量計(jì)（Electromagnetic Flowmeters，簡(jiǎn)稱EMF）是20世紀(jì)50~60年代隨著電子技術(shù)的發(fā)展而迅速發(fā)展起來的新型流量測(cè)量儀表。電磁流量計(jì)是應(yīng)用電磁感應(yīng)原理，根據(jù)導(dǎo)電流體通過外加磁場(chǎng)時(shí)感生的電動(dòng)勢(shì)來測(cè)量導(dǎo)電流體流量的一種儀器。 <p> 電磁流量計(jì)的結(jié)構(gòu)主要由磁路系統(tǒng)、測(cè)量導(dǎo)管、電極、外殼、襯里和轉(zhuǎn)換器等部分組成。 </p> <p> 磁路系統(tǒng)：其作用是產(chǎn)生均勻的直流或交流磁場(chǎng)。直流磁路用永久磁鐵來實(shí)現(xiàn)，智能靶式流量計(jì)制造商，其優(yōu)點(diǎn)是結(jié)構(gòu)比較簡(jiǎn)單，受交流磁場(chǎng)的干擾較小，但它易使通過測(cè)量導(dǎo)管內(nèi)的電解質(zhì)液體極化，使正電極被負(fù)離子包圍，負(fù)電極被正離子包圍，即電極的極化現(xiàn)象，并導(dǎo)致兩電極之間內(nèi)阻增大，因而嚴(yán)重影響儀表正常工作。當(dāng)管道直徑較大時(shí)，永久磁鐵相應(yīng)也很大，智能靶式流量計(jì)制造商，笨重且不經(jīng)濟(jì)，所以電磁流量計(jì)一般采用交變磁場(chǎng)，且是50HZ工頻電源激勵(lì)產(chǎn)生的。 </p> <p> 測(cè)量導(dǎo)管：其作用是讓被測(cè)導(dǎo)電性液體通過。為了使磁力線通過測(cè)量導(dǎo)管時(shí)磁通量被分流或短路，測(cè)量導(dǎo)管必須采用不導(dǎo)磁，智能靶式流量計(jì)制造商、低導(dǎo)電率、低導(dǎo)熱率和具有一定機(jī)械強(qiáng)度的材料制成，可選用不導(dǎo)磁的不銹鋼、玻璃鋼、**度塑料、鋁等。為使電磁流量計(jì)的傳感器小型化和改善信噪比而出現(xiàn)用非均勻磁場(chǎng)和低頻勵(lì)磁方式的電磁流量計(jì)。智能靶式流量計(jì)制造商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="智能靶式流量計(jì)制造商,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519894707031/5463.png"></div><p> 靶式流量計(jì)于六十年代開始應(yīng)用于工業(yè)流量測(cè)量，主要用于解決高粘度、低雷諾數(shù)流體的流量測(cè)量，先后經(jīng)歷了氣動(dòng)表和電動(dòng)表兩大發(fā)展階段，SBL系列智能靶式流量計(jì)是在原有應(yīng)變片式(電容式)靶式流量計(jì)測(cè)量原理的基礎(chǔ)上，采用了zuixin型力感應(yīng)式傳感器作為測(cè)量和敏感傳遞元件，同時(shí)利用了現(xiàn)代數(shù)字智能處理技術(shù)而研制的一種新式流量計(jì)量儀表。SBL數(shù)顯靶式流量計(jì)是在傳統(tǒng)靶式流量計(jì)測(cè)量原理的基礎(chǔ)上，充分利用其相當(dāng)youxiu的特點(diǎn)，結(jié)合新型傳感器技術(shù)和現(xiàn)代數(shù)字技術(shù)上研制、開發(fā)而成的全新型力感應(yīng)靶式流量計(jì)，它既具有傳統(tǒng)靶式、孔板、渦街等流量計(jì)無可動(dòng)部件的特點(diǎn)，同時(shí)又具有與容積式流量計(jì)相媲美的測(cè)量準(zhǔn)確度，加之其特有的抗干擾，抗雜質(zhì)性能，輕便又可靠的特點(diǎn)，廣使用于石油、化工、能源、食品、環(huán)保、水利等各個(gè)領(lǐng)域。從其使用后的效果上看，SBL數(shù)顯靶式流量計(jì)具有極為廣闊的適用性。 </p> <p> <br /> 智能靶式流量計(jì)制造商口徑10mm以下玻璃管浮子流量計(jì)滿度流量的名義管徑，流速只在0.2-0.6m/s之間，甚至低于0.1m/s。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="智能靶式流量計(jì)制造商,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520164541016/3121473.png"></div><p> 按照外加磁場(chǎng)類型的不同，電磁流量計(jì)主要有直流式和感應(yīng)式兩種。直流式電磁流量計(jì)的外加恒下磁場(chǎng)B垂直于管軸，C、D處裝有兩個(gè)電極，用來測(cè)量流體橫越磁場(chǎng)時(shí)所感生的電動(dòng)勢(shì)U。流量Q可用下式求出： </p> <p> Q=(1/K).(UA/Bd) </p> <p> 式中A為管道橫截面積；d為管道直徑；k為修正系數(shù)，用來修正導(dǎo)出公式時(shí)未計(jì)及的因素（如流量計(jì)管道內(nèi)的流速事實(shí)上并不均勻）的影響。在常的流量計(jì)中，k約為0.8，但對(duì)于特定尺寸、用于特定工況的電磁流量計(jì)，則要用容積法（一定時(shí)間內(nèi)流過的容積）標(biāo)定k值。磁場(chǎng)可由永久磁鐵產(chǎn)生，磁鐵材料一般是鋁－鎳－鈷合金。流量大時(shí)，因管徑較大，故采用無鐵芯激磁繞組，通以它常直流電流來產(chǎn)生一個(gè)近似均勻的磁場(chǎng)。 </p><p> 電磁流量計(jì)接地的原因: </p> <p> 電磁流量計(jì)內(nèi)的測(cè)量電極處于一個(gè)直流或交流電場(chǎng)內(nèi)，如果其環(huán)境不能有效地被屏蔽于一個(gè)無干擾的條件下，對(duì)測(cè)量有嚴(yán)重干擾。傳感器外殼接地與否，直接關(guān)系到測(cè)量的精度和穩(wěn)定性，接地導(dǎo)線必須不傳任何干擾電壓，因此電磁流量計(jì)要求有非?？煽康慕拥兀龊媒拥仄帘?，否則就會(huì)產(chǎn)生干擾電流。然而電磁流量計(jì)接地的好處：若連接污水流量計(jì)的管道是（相對(duì)于被測(cè)介質(zhì)）絕緣性的則要用接地環(huán)，它的材質(zhì)應(yīng)根據(jù)被測(cè)介質(zhì)的腐蝕性選用。如果是聚四氟乙烯的傳感器，為了保護(hù)聚四氟乙烯的翻邊不受損傷，要選用接地環(huán)。按介質(zhì)分類:液體流量計(jì)、氣體流量計(jì)、蒸汽流量計(jì)以及固體流量計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="智能靶式流量計(jì)制造商,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521343955078/7020765.png"></div><p> 靶式流量計(jì)特點(diǎn):1、整臺(tái)儀表結(jié)構(gòu)堅(jiān)固無可動(dòng)部件，插入式結(jié)構(gòu),拆卸方便;2、可選用多種防腐及耐高低溫材質(zhì)(如哈氏合金，鈦等);3、整機(jī)可做成全密封無死角(焊接形式)，無任何泄漏點(diǎn)，可耐42MPa高壓;4、儀表內(nèi)設(shè)自檢程序，故障現(xiàn)象一目了然;5、傳感器不與被測(cè)介質(zhì)接觸,不存在零部件磨損,使用安全可靠;6、可就地采用干式標(biāo)定方法，即采用砝碼掛重法。單鍵操作可完成標(biāo)定;7、具有多種安裝方式供選擇，如選擇在線插入式，安裝費(fèi)用低;8、具有一體化溫度、壓力補(bǔ)償，直接輸出質(zhì)量或標(biāo)方;9、具有可選小信號(hào)切除、非線性修正、濾波時(shí)間可選擇;10、能準(zhǔn)確測(cè)量各種常溫、高溫500度、低溫-200度工況下的氣體、液體流量;11、計(jì)量準(zhǔn)確，精度可達(dá)到12、重復(fù)性好，一般為，測(cè)量快速;13、壓力損失小，*為標(biāo)準(zhǔn)孔板的1/2△P左右;14、抗干擾，抗雜質(zhì)能力特強(qiáng);15、可根據(jù)實(shí)際需要更換阻流件(靶片)而改變量程;16、低功耗電池現(xiàn)場(chǎng)顯示，能在線直讀示值，顯示屏可同時(shí)讀取瞬時(shí)和累積流量及百分比棒圖;17、安裝簡(jiǎn)單方便，極易維護(hù);18、多種輸出形式，能遠(yuǎn)傳各種參數(shù);19、抗震動(dòng)性強(qiáng)，一定范圍內(nèi)可測(cè)脈動(dòng)流。 20世紀(jì)的60年代以后，測(cè)量儀表開始向精密化、小型化等方向發(fā)展。寧夏渦輪流量計(jì)</p><p style="text-indent:25px">有些就地指示型金屬管浮子流量計(jì)，只是將浮子位移通過磁耦合傳出，經(jīng)連桿凸輪等線性化機(jī)構(gòu)處理后就地指示。智能靶式流量計(jì)制造商</p><p> 轉(zhuǎn)換器拆裝及調(diào)整⑴拆卸信號(hào)拾取連接器+流量轉(zhuǎn)換器組合體浮子流量計(jì)①關(guān)閉電源。②用扳手逆時(shí)針旋轉(zhuǎn)松開信號(hào)拾取連接器上的M16鎖母。③用手抓緊轉(zhuǎn)換器表殼，逆時(shí)針旋轉(zhuǎn)，拆下組合體，注意在旋轉(zhuǎn)過程中應(yīng)保持信號(hào)拾取連接器與流量轉(zhuǎn)換器之間的螺紋連接緊固性。⑵拆裝信號(hào)拾取連接器與流量轉(zhuǎn)換器①確保電源已關(guān)閉并處在安全的區(qū)域。②拆卸時(shí)，逆時(shí)針擰開前表蓋，“拆卸電路板”介紹的步驟拆下電路板組件。拔下插在電路板上的信號(hào)線插頭，用扳手逆時(shí)針旋轉(zhuǎn)信號(hào)拾取連接器，將其與流量轉(zhuǎn)換器分離。③組裝時(shí)，順時(shí)針將信號(hào)拾取連接器擰在流量轉(zhuǎn)換器的對(duì)應(yīng)螺紋處，注意應(yīng)正對(duì)螺紋，擰上后適當(dāng)用力，用肉眼觀察無明顯細(xì)縫，密封性完好。逆時(shí)針擰開前表蓋，按照中“拆卸電路板”介紹的步驟拆下電路板組件。將信號(hào)拾取器引出的插頭插在電路板對(duì)應(yīng)的插座上。再按照“裝配電路板”介紹的步驟，將電路板固定在流量轉(zhuǎn)換器的表殼上。順時(shí)針擰上前表蓋。智能靶式流量計(jì)制造商</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司是一家智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計(jì)算機(jī)軟及軸助設(shè)備零售；環(huán)境監(jiān)測(cè)**儀器銷售；電氣設(shè)備銷售；機(jī)械設(shè)備銷售；電子元器件與機(jī)電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計(jì)量設(shè)備銷售；終端測(cè)試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(fā)；普通機(jī)械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測(cè)**儀器儀表制造；其他通用儀器制造；電子測(cè)量儀器化工。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于雷達(dá)料位計(jì)，雷達(dá)物位計(jì)，壓力變送器，溫度變送器，是儀器儀表的主力軍。西安倫騫電器始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。西安倫騫電器創(chuàng)始人付海飛，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1221456.html</p></div></div></div></div></div><div id="8artvug" class="page-right twoColRt"><div id="rgi3oqn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="o3t7bdf" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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