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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-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_wybez/">物位儀表</a>?<a href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?河北插入式巴類流量計廠家直供江蘇中徽測控儀表供應(yīng)</p><div id="vk9utu2" class="leftbox clearfix"><h1>河北插入式巴類流量計廠家直供江蘇中徽測控儀表供應(yīng)</h1><div id="vo4nxod" class="proBig"><div id="jy9icol" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vpjaum7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dcwi2ri" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河北插入式巴類流量計廠家直供,流量計</p><p><span>***更新：</span>2021-02-03 09:09:34</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3zwynt8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機: </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號</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="que7v3p" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="h7a7shg" class="box"><p><p style="text-indent:25px">流動本身的脈動，如擬裝儀表位置的上游有往復(fù)泵或調(diào)節(jié)閥，或下游有大負(fù)荷變化等，應(yīng)改換測量位置或在管道系統(tǒng)予以補救改進(jìn)，如加裝緩沖罐;若是儀表自身的振蕩，如測量時氣體壓力過低，儀表上游閥門未全開，調(diào)節(jié)閥未裝在儀表下游等原因，應(yīng)針對性改進(jìn)克服，或改選用有阻尼裝置的儀表。5、轉(zhuǎn)子流量計要排盡液體用儀表內(nèi)氣體進(jìn)出口不在直線的角型金屬轉(zhuǎn)子流量計，用于液體時注意外傳浮子位移的引申套管內(nèi)是否殘留空氣，必須排盡;若液體含有微小氣泡流動時極易積聚在套管內(nèi)，更應(yīng)定時排氣，河北插入式巴類流量計廠家直供。這點對小口徑儀表更為重要，否則影響流量示值明顯。6、轉(zhuǎn)子流量計流量值應(yīng)作必要換算若非按使用密度、粘度等介質(zhì)參數(shù)向轉(zhuǎn)子流量計生產(chǎn)廠家專門訂制的儀表，液體用儀表通常以水標(biāo)定流量，氣體儀表用空氣標(biāo)定，定值在工程標(biāo)準(zhǔn)狀態(tài)。使用條件的流體密度，河北插入式巴類流量計廠家直供、氣體壓力溫度與標(biāo)定不一致時，河北插入式巴類流量計廠家直供，要做必要換算。換算公式和方法轉(zhuǎn)子流量計的制造廠使用說明書中都有詳述?？装辶髁坑嫷墓?jié)流裝置結(jié)構(gòu)簡單，且牢固、性能穩(wěn)定可靠，是工業(yè)中常用到的流量測量儀表；河北插入式巴類流量計廠家直供</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北插入式巴類流量計廠家直供,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png"></div><p> 電極襯里附著物的影響在丈量有附著沉淀物的流體時，電極表面將受污染，經(jīng)常引起零點變動，故必需留意。零點變化和電極污染程度兩者的關(guān)系，要進(jìn)行定量分析比較難題，但可以說，電極直徑越小，所受的影響越少，在使用中，應(yīng)留意電極的清污，以防止附著。在襯里上附著沉淀物時產(chǎn)生的誤差Δε，假如附著的厚度是一樣，則可由式：Δε=1-2/[1+(Kω/Kf)+(1-Kω/Kf)×(1-2t/D)2]計算，式中Kω、Kf分別為附著物和丈量流體的電導(dǎo)率，附著物厚度為t，直徑為D。若式中，Kω和Kf相等，則無誤差，附著物的電導(dǎo)率較低時，上式也成立，但由于會增加電極的輸出阻抗，因此受到限制，如絕緣性沉淀物浸在流體中就是這種情況。相反，如附著金屬粉末等，因高電導(dǎo)率的附著層，使感應(yīng)電勢短路，使電極輸出偏低，造成負(fù)偏差。在丈量具有沉淀附著物的流體時，除了選擇如玻璃或聚四氯乙烯等難以附著沉淀的襯里外，還應(yīng)增其流速。假如在流體中平均地含有氣泡，則丈量的是包括氣泡的體積流量，并且使所測流量值不不亂，而引入誤差。綜上所述，在選用流量計特別是大口徑電磁流量計時，應(yīng)考慮今后對傳感器的電極及襯里的維護(hù)題目。如選用上海光華·愛而美特儀器有限公司的刮刀電極或可更換式電極. </p> <p> <br /> </p> <p> <br /> 河北插入式巴類流量計廠家直供直接式質(zhì)量流量計利用與質(zhì)量流量直接有關(guān)的原理進(jìn)行測量；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北插入式巴類流量計廠家直供,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289067451760/3371916.png"></div><p> 信號傳輸電纜長度的題目傳感器(即電極)與轉(zhuǎn)換器之間的連接電纜愈短愈好。但有些現(xiàn)場受安裝環(huán)境位置的限制，轉(zhuǎn)換器與傳感器的間隔較遠(yuǎn)，這時要考慮連接電纜的最大長度題目。傳感器與轉(zhuǎn)換器之間的連接電纜的最大長度又由電纜的分布電容和被測流體的電導(dǎo)率決定。實際使用中，當(dāng)被測流體的電導(dǎo)率是在一定的范圍之間，因此就決定了電極與轉(zhuǎn)換器之間電纜的最大長度。當(dāng)電纜長度超過最大長度時，由電纜分布電容引起的負(fù)載效應(yīng)就成了題目。為防止這種情況發(fā)生，使用雙芯兩層屏蔽電纜，由轉(zhuǎn)換器提供低阻抗電壓源使內(nèi)側(cè)屏蔽與芯線得到相同的電壓，以形成屏蔽，即使芯線與屏蔽之間有分布電容存在，但芯線與屏蔽是同電位，則兩者之間就無電暢通流暢過，也無電纜的負(fù)載效應(yīng)存在，因此可延長信號電纜最大長度。另外，還可用特殊信號傳輸電纜延長轉(zhuǎn)換器與傳感器之間的最大長度。 </p> <p> <br /> </p> <p> <br /> </p><p> 孔板流量計測量老不準(zhǔn)，處理方法有技巧！1、差壓管路堵塞，疏通差壓管路；2、差壓計故障，檢查差壓計；3、差壓變送器示值明顯偏離，應(yīng)檢查尺示值；4、節(jié)流元件安裝方向有誤，重新安裝節(jié)流元件；5、被測介質(zhì)工況參數(shù)與設(shè)計節(jié)流裝置時采用的參數(shù)不一致，按相關(guān)公式修正，必要時應(yīng)重新計算差壓值；6、節(jié)流裝置前后直管段長度不夠，應(yīng)調(diào)整直管段長度；7、直管段內(nèi)徑超差，實測直管段內(nèi)徑，重新計算比較大流量；8、節(jié)流孔徑超差，實測節(jié)流孔徑，重新計算比較大流量；9、節(jié)流元件變形，更換節(jié)流元件；10、節(jié)流元件上有附著物，清洗更換節(jié)流元件；11、孔板的尖銳一側(cè)應(yīng)該迎向流體流向為入口端，呈喇叭形的一側(cè)為出口端。如果裝反了，顯示將會偏小很多。解決辦法：檢查孔板安裝方向，正確安裝孔板。12、孔板的入口邊緣磨損，如果孔板使用時間較長，特別是在被測介質(zhì)夾雜固體顆粒等雜物情況下，都會造成孔板的幾何形狀和尺寸的變化，如果造成開孔變大或開孔邊緣變鈍，測量壓差就會變小，流量顯示就會偏低。解決辦法：對孔板進(jìn)行重新加工。 </p> <p> <br /> </p> <p> <br /> 電磁流量計的應(yīng)用有一定局限性，它只能測量導(dǎo)電介質(zhì)的液體流量，不能測量非導(dǎo)電介質(zhì)的流量；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北插入式巴類流量計廠家直供,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289158887356/6747137.png"></div><p style="text-indent:25px">電磁流量計是根據(jù)法拉弟電磁感應(yīng)定律制成的一種測量導(dǎo)電性液體的儀表。電磁流量計有一系列優(yōu)良特性,可以解決其它流量計不易應(yīng)用的問題,如臟污流、腐蝕流的測量。變送器的測量信號為很小的毫伏級電勢信號，除流量信號外，還夾雜一些與流量無關(guān)的信號，如同相電壓、正交電壓及共模電壓等。為了準(zhǔn)確測量流量，必須消除各種干擾信號，有效放大流量信號。應(yīng)該提高流量轉(zhuǎn)換器的性能，比較好采用微處理機型的轉(zhuǎn)換器，用它來控制勵磁電壓，按被測流體性質(zhì)選擇勵磁方式和頻率，可以排除同相干擾和正交干擾。但改進(jìn)的儀表結(jié)構(gòu)復(fù)雜，成本較高?？装辶髁坑嫎?biāo)準(zhǔn)型節(jié)流裝置無須實流校準(zhǔn)，即可投用。河北插入式巴類流量計廠家直供</p><p style="text-indent:25px">電磁流量計測量通道是段光滑直管,不會阻塞,適用于測量含固體顆粒的液固二相流體,如紙漿、泥漿、污水等;河北插入式巴類流量計廠家直供</p><p> 電磁流量計應(yīng)用一直都非常，由于是為供水企業(yè)水計量商業(yè)專門設(shè)計的，具有防水、防腐、防干擾、防雷擊的能力。那么在電磁流量計使用中也肯定有一些題目，我們就收集來分析一下。一、傳感器接地的題目電磁流量計傳感器電極檢測的流量信號是毫伏級，且以傳感器內(nèi)流體的電位為基準(zhǔn)的，所以外來干擾對它的影響很大，因而，良好的接地很大程度上決定著流量計的丈量正確度。被測的流體本身作為電導(dǎo)體，必需排除其他不相關(guān)的電磁干擾。電極檢測出的電勢信號，不受外界寄生電勢的干擾。對傳感器應(yīng)有良好的單獨接地線，接地電阻小于10Ω。在連接傳感器的管道內(nèi)若涂有絕緣層或長短金屬管道時，傳感器兩側(cè)應(yīng)裝有接地環(huán)。 </p> <p> <br /> </p> <p> <br /> 河北插入式巴類流量計廠家直供</p></p><br /><p>文章來源地址: 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