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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>孔板流量計(jì)廠家直供,流量計(jì)</p><p><span>***更新：</span>2020-08-24 21:19:57</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dxzrda2" 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(jī): </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="az72czg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="glifxov" class="box"><p><p> 超聲波流量計(jì)是基于超聲波在流動介質(zhì)中傳播的速度等于被測介質(zhì)的平均流速和聲波本身速度的幾何和的原理而設(shè)計(jì)的。它也是由測流速來反映流量大小的。超聲波流量計(jì)雖然在70年代才出現(xiàn)，但由于它可以制成非接觸型式，并可與超聲波水位計(jì)聯(lián)動進(jìn)行開口流量測量，對流體又不產(chǎn)生擾動和阻力，所以很受歡，孔板流量計(jì)廠家直供。 </p> <p> 超聲波流量計(jì)按測量原理分可分為時差式和多普勒式 </p> <p> 利用時差式原理制造的時差式超聲流量計(jì)近年來得到廣泛的關(guān)注和使用，是目前企事業(yè)使用多的一種超聲波流量計(jì)，孔板流量計(jì)廠家直供，孔板流量計(jì)廠家直供。 </p> <p> 利用多普勒效應(yīng)制造的超聲多普勒流量計(jì)多用于測量介質(zhì)有一定的懸浮顆?；驓馀萁橘|(zhì)，使用有一定的局限性，但卻解決了時差式超聲波流量計(jì)只能測量單一清澈流體的問題，也被認(rèn)為是非接觸測量雙相流的理想儀表。引壓管路內(nèi)必須始終保持單相流體狀態(tài)。被測流體是氣體時，引壓管路（包括差壓計(jì)的壓力腔）內(nèi)全部是氣相；孔板流量計(jì)廠家直供</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="孔板流量計(jì)廠家直供,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837414560547/9988671.png"></div><p> 孔板流量計(jì)特點(diǎn) </p> <p> 節(jié)流裝置結(jié)構(gòu)易于復(fù)制，簡單、牢固，性能穩(wěn)定可靠，使用期限長，價格低廉。 </p> <p> 孔板計(jì)算采用國際標(biāo)準(zhǔn)與加工; </p> <p> 應(yīng)用范圍廣，全部單相流皆可測量，部分混相流亦可應(yīng)用。 </p> <p> 標(biāo)準(zhǔn)型節(jié)流裝置無須實(shí)流校準(zhǔn)，即可投用。 </p> <p> 一體型孔板安裝更簡單，無須引壓管，可直接接差壓變送器和壓力變送器。 </p> <p> 智能型特點(diǎn); </p> <p> 采用進(jìn)口單晶硅智能差壓傳感器; </p> <p> 高精度，完善的自診斷功能; </p> <p> 智能孔板流量計(jì)其量程可自編程調(diào)整。 </p> <p> 可同時顯示累計(jì)流量、瞬時流量、壓力、溫度。 </p> <p> 具有在線、動態(tài)全補(bǔ)償功能外，還具有自診斷、自行設(shè)定量程。 </p> <p> 配有多種通訊接口; </p> <p> 穩(wěn)定性高; </p> <p> 量程范圍寬、大于10：1; </p> <p> 智能型技術(shù)指標(biāo); </p> <p> 高精度：±0.075%; </p> <p> 高穩(wěn)定性：優(yōu)于0.1%FS/年; </p> <p> 高靜壓：40MPa; </p> <p> 連續(xù)工作5年不需調(diào)校; </p> <p> 可忽略溫度、靜壓影響; </p> <p> 抗高過壓; 重慶電磁流量計(jì)生產(chǎn)廠家在孔板流量計(jì)前后若需安裝閥門，比較好選閘閥且在運(yùn)行中全開；調(diào)節(jié)閥則應(yīng)在下游5DN之后的管路中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="孔板流量計(jì)廠家直供,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837240888672/6407176.png"></div><p> 渦街流量計(jì)工作狀態(tài)下的體積流量不受被測流體溫度、壓力、密度等熱工參數(shù)的影響，但液體或蒸汽的**終測量結(jié)果應(yīng)是質(zhì)量流量，對于氣體，**終測量結(jié)果應(yīng)是標(biāo)準(zhǔn)體積流量。質(zhì)量流量或標(biāo)準(zhǔn)體積流量都必須通過流體密度進(jìn)行換算，必須考慮流體工況變化引起的流體密度變化。 </p> <p> 造成流量測量誤差的因素主要有：管道流速不均造成的測量誤差；不能準(zhǔn)確確定流體工況變化時的介質(zhì)密度；將濕飽和蒸汽假設(shè)成干飽和蒸汽進(jìn)行測量。這些誤差如果不加以限制或消除，渦街流量計(jì) 的總測量誤差會很大。 </p><p> 孔板流量計(jì)優(yōu)點(diǎn)： </p> <p> 標(biāo)準(zhǔn)節(jié)流件是全世界通用的，并得到了國際標(biāo)準(zhǔn)組織的認(rèn)可，無需實(shí)流校準(zhǔn)，即可投用，在流量計(jì)中亦是的。結(jié)構(gòu)易于復(fù)制，簡單、牢固、性能穩(wěn)定可靠、價格低廉；應(yīng)用范圍廣，包括全部單相流體（液、氣、蒸汽）、部分混相流，一般生產(chǎn)過程的管徑、工作狀態(tài)(溫度、壓力)皆有產(chǎn)品。檢測件和差壓顯示儀表可分開不同廠家生產(chǎn)，便與專業(yè)化規(guī)模生產(chǎn)； </p> <p> 缺點(diǎn)： </p> <p> 測量的重復(fù)性、精確度在流量計(jì)中屬于中等水平，由于眾多因素的影響錯綜復(fù)雜，精確度難于提高。范圍度窄，由于流量系數(shù)與雷諾數(shù)有關(guān),一般范圍度* 3∶1 ～ 4∶1。有較長的直管段長度要求，一般難于滿足。尤其對較大管徑，問題更加突出；壓力損失大；通常為維持一臺孔板流量計(jì)正常運(yùn)行，水泵需要附加動力克服孔板的壓力損失。該附加耗電量可直接由渦輪流量計(jì)工作原理：在一定的流量范圍內(nèi)，渦輪的轉(zhuǎn)速與流體的流速成正比。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="孔板流量計(jì)廠家直供,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png"></div><p> 電磁流量計(jì) (EMF) </p> <p> 電磁流量計(jì)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。 </p> <p> 電磁流量計(jì)有一系列優(yōu)良特性,可以解決其它流量計(jì)不易應(yīng)用的問題,如臟污流、腐蝕流的測量。 </p> <p> 70、80 年代電磁流量在技術(shù)上有重大突破,使它成為應(yīng)用的一類流量計(jì),在流量儀表中其使用量百分?jǐn)?shù)不斷上升。 </p> <p> 優(yōu)點(diǎn): </p> <p> (1)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; </p> <p> (2)不產(chǎn)生流量檢測所造成的壓力損失,節(jié)能效果好; </p> <p> (3)所測得體積流量實(shí)際上不受流體密度、粘度、溫度、壓力和電導(dǎo)率變化的明顯影響; </p> <p> <span style="font-size:12px;">(4)流量范圍大,口徑范圍寬;</span> </p> <p> (5)可應(yīng)用腐蝕性流體。直接式質(zhì)量流量計(jì)利用與質(zhì)量流量直接有關(guān)的原理進(jìn)行測量；孔板流量計(jì)廠家直供</p><p style="text-indent:25px">標(biāo)準(zhǔn)孔板標(biāo)準(zhǔn)孔板是一類規(guī)格多的標(biāo)準(zhǔn)節(jié)流裝置，廣泛應(yīng)用于各種流體特別是氣體流量測量中；孔板流量計(jì)廠家直供</p><p> 孔板流量計(jì) </p> <p> 工作原理：流體充滿管道，流經(jīng)管道內(nèi)的節(jié)流裝置時，流束會出現(xiàn)局部收縮，從而使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計(jì)可以通過測量壓差來衡量流體流量的大小。這種測量方法是以能量守衡定律和流動連續(xù)性定律為基準(zhǔn)的。 </p> <p> 工作特點(diǎn)：①節(jié)流裝置結(jié)構(gòu)簡單、牢固，性能穩(wěn)定可靠，使用期限長，價格低廉;②應(yīng)用范圍廣，全部單相流皆可測量，部分混相流亦可應(yīng)用;③標(biāo)準(zhǔn)型節(jié)流裝置無須實(shí)流校準(zhǔn)，即可投用;④ 一體型孔板安裝更簡單，無須引壓管，可直接接差壓變送器和壓力變送器。孔板流量計(jì)廠家直供</p><p style="text-indent:25px">江蘇中徽測控儀表有限公司是一家主營產(chǎn)品：智能電磁流量計(jì)、插入式渦街流量計(jì)、智能超聲波流量計(jì)、威力巴流量計(jì)、平衡流量計(jì)、德爾塔巴流量計(jì)、超聲波流量計(jì)、雷達(dá)物位計(jì)、超聲波液位計(jì)、磁翻板液位計(jì)、電磁流量計(jì)、渦街流量計(jì)、旋進(jìn)漩渦流量計(jì)、渦輪流量計(jì)、壓力差壓變送器、校驗(yàn)設(shè)備等。的公司，是一家擁有雇員人數(shù)優(yōu)異員工的企業(yè)。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)深受客戶的喜愛。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。公司立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合世界前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: 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