甘肅微小流量計(jì) **** 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="橢圓齒輪流量計(jì)流量信號(hào)(即橢圓齒輪的旋轉(zhuǎn)速度n)的顯示，有就地顯示和遠(yuǎn)傳顯示兩種。就地顯示將齒輪的轉(zhuǎn)動(dòng)通過(guò)一系列的減速及調(diào)整轉(zhuǎn)速比機(jī)構(gòu)之后，直接與儀表面板上的指示針相連，并經(jīng)過(guò)機(jī)械式計(jì)數(shù)器進(jìn)行總量的顯示。遠(yuǎn)傳顯示主要是通過(guò)減速后的齒輪帶動(dòng)永"><meta name="keywords" content="甘肅微小流量計(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 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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>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>甘肅微小流量計(jì),流量計(jì)</p><p><span>***更新：</span>2021-01-21 12:19:17</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mldsz3d" 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="ycebseb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hb2899r" class="box"><p><p> 橢圓齒輪流量計(jì)流量信號(hào)(即橢圓齒輪的旋轉(zhuǎn)速度n)的顯示，有就地顯示和遠(yuǎn)傳顯示兩種。就地顯示將齒輪的轉(zhuǎn)動(dòng)通過(guò)一系列的減速及調(diào)整轉(zhuǎn)速比機(jī)構(gòu)之后，直接與儀表面板上的指示針相連，并經(jīng)過(guò)機(jī)械式計(jì)數(shù)器進(jìn)行總量的顯示。遠(yuǎn)傳顯示主要是通過(guò)減速后的齒輪帶動(dòng)永久磁鐵旋轉(zhuǎn)，使得彈簧繼電器的觸點(diǎn)以與永久磁鐵相同的旋轉(zhuǎn)頻率同步地閉合或斷開(kāi)，從而發(fā)出一個(gè)個(gè)電脈沖遠(yuǎn)傳給另一顯示儀表，甘肅微小流量計(jì)，甘肅微小流量計(jì).橢圓齒輪流量計(jì)計(jì)量精度高，適用于高粘度介質(zhì)流量的測(cè)量，但不適用于含有固體顆粒的流體，如果被測(cè)液體介質(zhì)中夾雜有氣體時(shí)，也會(huì)引起測(cè)量誤差。通常橢圓齒輪流量計(jì)的精度可達(dá)0.5級(jí)，是一種較為準(zhǔn)確的流量計(jì)量?jī)x表，但是，如果使用時(shí)被測(cè)介質(zhì)的流量過(guò)小，橢圓齒輪流量計(jì)儀表的泄漏誤差的影響就會(huì)突出，不能再保證足夠的測(cè)量精度。電磁流量計(jì)、超聲波流量計(jì)，甘肅微小流量計(jì)、渦街流量計(jì)利用電氣原理工作，從而避免了機(jī)械流量計(jì)工作中需要更換的運(yùn)動(dòng)機(jī)件。甘肅微小流量計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅微小流量計(jì),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520833798828/4923668.png"></div><p> 各種超聲流量計(jì)已廣用于工業(yè)生產(chǎn)、商業(yè)計(jì)量和水利檢測(cè)等方面，如:在市政行業(yè)的原水、自來(lái)水、中水、污水的計(jì)量中，超聲流量計(jì)具有大量程比、無(wú)壓損的特點(diǎn)，在保證測(cè)量準(zhǔn)確度的同時(shí)提高了管網(wǎng)的輸水效率;在水利水電行業(yè)的輸水管道、渠道、泵站、電站的流量計(jì)量中，超聲流量計(jì)具有大口徑、現(xiàn)場(chǎng)安裝、在線標(biāo)定的特點(diǎn)，使準(zhǔn)確測(cè)量成為可能。同時(shí)通過(guò)對(duì)水泵、水輪機(jī)單泵、單機(jī)的計(jì)量來(lái)實(shí)現(xiàn)設(shè)備優(yōu)化、經(jīng)濟(jì)運(yùn)行的目的;在工業(yè)冷卻循環(huán)水的計(jì)量中，超聲流量計(jì)實(shí)現(xiàn)了在線不斷流帶壓安裝和在線標(biāo)定;在商業(yè)計(jì)量方面多聲道超聲流量計(jì)已達(dá)到優(yōu)于(示值誤差)。(1)傳播時(shí)間法應(yīng)用于清潔、單相液體和氣體。典型應(yīng)用有工廠排放液、:怪液、液化天然氣等;(2)氣體應(yīng)用方面在高壓天然氣領(lǐng)域已有使用良好的經(jīng)驗(yàn);(3)多普勒法適用于異相含量不太高的雙相流體,例如:未處理污水、工廠排放液、臟流程液;通常不適用于非常清潔的液體。寧夏管道式渦旋流量計(jì)特點(diǎn)流量計(jì)量是計(jì)量科學(xué)技術(shù)的組成部分之一，它與國(guó)民經(jīng)濟(jì)、**建設(shè)、科學(xué)研究有密切的關(guān)系。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅微小流量計(jì),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520922431641/5725344.png"></div><p> （1）渦街流量變送器的選擇 </p> <p> 在飽和蒸汽測(cè)量中采用VA型壓電式渦街流量變送器，由于渦街流量計(jì)量程范圍寬，因此，在實(shí)際應(yīng)用中，一般插入式渦街流量計(jì)主要考慮測(cè)量飽和蒸汽的流量不得低于渦街流量計(jì)的下限，也就是說(shuō)必須滿足流體流速不得低于5m/s。根據(jù)用汽量的大小選用不同口徑的渦街流量變送器，而不能以現(xiàn)有的工藝管道口徑來(lái)選擇變送器口徑。 </p> <p> （2）壓力補(bǔ)償壓力變送器的選擇 </p> <p> 由于飽和蒸汽管路長(zhǎng)，壓力波動(dòng)較大，必須采用壓力補(bǔ)償，考慮到壓力、溫度及密度的對(duì)應(yīng)關(guān)系，測(cè)量中只采用壓力補(bǔ)償即可，由于明通公司管道飽和蒸汽壓力在0.3－0.7MPa范圍，壓力變送器的量程選擇1MPa即可。 </p> <p> （3）顯示儀表選擇 </p> <p> 顯示儀表智能流量顯示儀，具有穩(wěn)壓補(bǔ)償、瞬時(shí)流量顯示和累積流量積算功能。 </p><p> 1、流量計(jì)的選用原則: </p> <p> 流量計(jì)的選用主要參考流量范圍（L/h）、溫度（℃）、壓力（MPa）、口徑（mm）、黏度（mPa·s）、計(jì)量精度、腐蝕性、周圍工作環(huán)境、計(jì)算器形式等。 </p> <p> 2、流量計(jì)的安裝: </p> <p> 任何類型的流量計(jì)都有一定的安裝要求，只有正確安裝才能使流量計(jì)正常、準(zhǔn)確地運(yùn)行。流量計(jì)的安裝應(yīng)按產(chǎn)品使用說(shuō)明書的要求，結(jié)合安裝現(xiàn)場(chǎng)的實(shí)際情況，以zui合適的方式進(jìn)行。 </p> <p> 3、流量計(jì)的使用與維護(hù): </p> <p> 只有當(dāng)流量計(jì)正確使用并及時(shí)的維護(hù)時(shí)，流量計(jì)才能以規(guī)定的精度運(yùn)行。 </p> <p> （1）使用流量計(jì)時(shí)應(yīng)按照規(guī)定的流量范圍、工作壓力和工作溫度，不得隨意超出范圍以確保測(cè)量精度及使用壽命。 </p> <p> （2）對(duì)于運(yùn)行中的流量計(jì)，應(yīng)按時(shí)巡檢，并記錄有關(guān)運(yùn)行參數(shù)，如溫度、濕度、壓力、噪聲及有無(wú)滲漏等。 </p> <p> （3）長(zhǎng)時(shí)間不用的流量計(jì)應(yīng)將殼內(nèi)殘留的流體泄放掉，根據(jù)需要涂防腐劑。 </p> <p> （4）對(duì)于一些國(guó)家特定的流量計(jì)量?jī)x表，按規(guī)定按期強(qiáng)制標(biāo)定。一體型儀表將孔板和浮子流量計(jì)組裝在短管段上，直接裝到待測(cè)管道，安裝方便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅微小流量計(jì),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520631328125/4056452.png"></div><p> 傳播速度差法超聲流量計(jì)測(cè)量精度已優(yōu)于，有的多聲道超聲流量計(jì)的精度已高達(dá)士。但由于早期的超聲流量計(jì)自身一般不帶標(biāo)準(zhǔn)管道而工業(yè)上所用管路又十分復(fù)雜，使得超聲流量計(jì)的測(cè)量精度大打折扣;另外，由于工業(yè)現(xiàn)場(chǎng)特別是管路周圍環(huán)境的多樣性和復(fù)雜性，降低了超聲流量計(jì)的可靠性和穩(wěn)定性。因此，如何根據(jù)特定的環(huán)境安裝調(diào)試超聲流量計(jì)，就成了超聲流量測(cè)量領(lǐng)域的一個(gè)重要課題。符合規(guī)范的正確安裝，可以更好地體現(xiàn)超聲流量計(jì)的精度、可靠性和穩(wěn)定性方面的優(yōu)勢(shì)，降低儀表的日常維護(hù)工作。以前盛行的外夾裝式超聲流量計(jì)使用方便靈活，然而現(xiàn)場(chǎng)應(yīng)用的實(shí)際側(cè)量精度，常因工作琉忽，換能器安裝距離及流通面積等測(cè)量的誤差而造成梢度下降。不正確的安裝甚至?xí)沟脙x表完全不能工作;因此，安裝換能器對(duì)于測(cè)量是非常重要環(huán)節(jié):國(guó)外競(jìng)相開(kāi)發(fā)出經(jīng)實(shí)流核準(zhǔn)的高精度帶測(cè)量管段的中小口徑超聲流量計(jì)，且用雙聲道或多聲道以改善單聲道側(cè)量平均流速的不確定影響量，降低了迎流流速分布影響的敏感度，減少了前后置直管段長(zhǎng)度的影響，消除了現(xiàn)場(chǎng)安裝換能器位置的影響，使測(cè)量精度提高。分流型浮子流量計(jì)由裝載主管道上標(biāo)準(zhǔn)孔板和較小口徑浮子流量計(jì)組合而成，只要就地指示的場(chǎng)所，價(jià)格低廉。外縛式超聲波流量計(jì)推薦廠家</p><p style="text-indent:25px">金屬管浮子流量計(jì)無(wú)錐管破裂的風(fēng)險(xiǎn)。與玻璃管浮子流量計(jì)相比，使用溫度和壓力范圍寬。甘肅微小流量計(jì)</p><p> 靶式流量計(jì)于六十年代開(kāi)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?jī)x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(kāi)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(wú)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 /> 甘肅微小流量計(jì)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2946961.html</p></div></div></div></div></div><div id="txhe2xj" class="page-right twoColRt"><div id="2i3egi7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ymjqkbn" class="recomPic likePro"><a 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