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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>遼寧微小流量計(jì)哪家好,流量計(jì)</p><p><span>***更新：</span>2020-08-20 11:13:03</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="ylpbsop" 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="luqhokg" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="cqhj3ja" class="box"><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，遼寧微小流量計(jì)哪家好，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，遼寧微小流量計(jì)哪家好、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 /> 流量計(jì)量是計(jì)量科學(xué)技術(shù)的組成部分之一，遼寧微小流量計(jì)哪家好，它與國(guó)民經(jīng)濟(jì)、**建設(shè)、科學(xué)研究有密切的關(guān)系。遼寧微小流量計(jì)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧微小流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520569794922/6545301.png"></div><p> 感應(yīng)式電磁流量計(jì) 在被測(cè)流體溫度過(guò)高或?qū)﹄姌O有強(qiáng)烈腐蝕作用等情況下，可采用感應(yīng)式電磁流量計(jì)。A、B為匝數(shù)相等的兩個(gè)交流激磁繞組，繞組之間是串聯(lián)的，但各自的電流方向相反。當(dāng)流體靜止時(shí)，通過(guò)感應(yīng)線圈C的合成磁通為零，故線圈中沒(méi)有感生的交變電動(dòng)勢(shì)。流體流動(dòng)時(shí)感應(yīng)線圈中就產(chǎn)生交變電動(dòng)勢(shì)，其大小與流速成正比?；谶@一原理，還有很多改型方案。例如用一個(gè)激磁繞組，而在它的對(duì)稱(chēng)的兩側(cè)各安置一方向相反的感應(yīng)線圈并串聯(lián)起來(lái)流體流動(dòng)時(shí)，磁力線向流動(dòng)方向移動(dòng)，使兩邊感應(yīng)線圈中的產(chǎn)生電動(dòng)勢(shì)不為零，由此可間接表示出流量的大小。電磁流量計(jì)的管道內(nèi)沒(méi)有其他部件，所以除用于測(cè)量導(dǎo)電流體的流量外，還可用于測(cè)量各種粘度的不導(dǎo)電液體（其中加入易電離物質(zhì)）的流量。在核能工業(yè)中經(jīng)常使用電磁流量計(jì)。遼寧微小流量計(jì)哪家好由于分流管中置有限流小孔板，起到補(bǔ)償主孔板流量和差壓間平方根非線性關(guān)系，流量示值基本是線性的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧微小流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520922431641/5725344.png"></div><p> 按照外加磁場(chǎng)類(lèi)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(lái)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(lái)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(guò)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(wú)鐵芯激磁繞組，通以它常直流電流來(lái)產(chǎn)生一個(gè)近似均勻的磁場(chǎng)。 </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.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。浮子流量計(jì)有較寬的流量范圍度，一般為10：1，低為5：1，高為25：1。流量檢測(cè)元件的輸出接近于線性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧微小流量計(jì)哪家好,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520164541016/3121473.png"></div><p> 時(shí)差法測(cè)量順逆?zhèn)鞑r(shí)傳播速度不同引起的時(shí)差計(jì)算被測(cè)流體速度。 </p> <p> 它采用兩個(gè)聲波發(fā)送器(SA和SB)和兩個(gè)聲波jieshouqi超聲流量計(jì)(RA和RB)。同一聲源的兩組聲波在SA與RA之間和SB與RB之間分別傳送。它們沿著管道安裝的位置與管道成θ角(一般θ=45°)(圖1)。由于向下游傳送的聲波被流體加速，而向上游傳送的聲波被延遲，它們之間的時(shí)間差與流速成正比。也可以發(fā)送正弦信號(hào)測(cè)量?jī)山M聲波之間的相移或發(fā)送頻率信號(hào)測(cè)量頻率差來(lái)實(shí)現(xiàn)流速的測(cè)量。 </p> <p> 相位差法測(cè)量順逆?zhèn)鞑r(shí)傳播時(shí)由于時(shí)差引起的相位差計(jì)算速度。 </p> <p> 它的發(fā)送器沿垂直于管道的軸線發(fā)送一束聲波，由于流體流動(dòng)的作用，聲波束向下游偏移一段距離。偏移距離與流速成正比。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(guò)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。遼寧微小流量計(jì)哪家好</p><p style="text-indent:25px">20世紀(jì)的60年代以后，測(cè)量?jī)x表開(kāi)始向精密化、小型化等方向發(fā)展。遼寧微小流量計(jì)哪家好</p><p> 特點(diǎn)：流量測(cè)量與流體的流動(dòng)狀態(tài)無(wú)關(guān)，這是因?yàn)闄E圓齒輪流量計(jì)是依靠被測(cè)介質(zhì)的壓頭推動(dòng)橢圓齒輪旋轉(zhuǎn)而進(jìn)行計(jì)量的。粘度愈大的介質(zhì)，從齒輪和計(jì)量空間隙中泄漏出去的泄漏量愈小，因此核測(cè)介質(zhì)的粘皮愈大，泄漏誤差愈小，對(duì)測(cè)量愈有利。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(固體顆粒會(huì)將齒輪卡死，以致無(wú)法測(cè)量流量)。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。 </p> <p> 安裝：橢圓齒輪流量計(jì)在安裝前應(yīng)清潔管道.若液體內(nèi)含有固體顆粒，則必須在管道上游加裝過(guò)濾器;若含氣體應(yīng)安裝排氣裝置。HI-TOUCH M系列橢圓齒輪流量計(jì)橢圓齒輪流量計(jì)對(duì)前后直管段沒(méi)有一定的要求。它可以水平或垂直安裝。安裝時(shí)，應(yīng)使流量計(jì)的橢圓齒輪轉(zhuǎn)動(dòng)軸與地面平行。遼寧微小流量計(jì)哪家好</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司坐落在高新區(qū)發(fā)展大道25號(hào)軍民融合創(chuàng)新港，是一家專(zhuān)業(yè)的智能儀器儀表銷(xiāo)售：網(wǎng)絡(luò)設(shè)備銷(xiāo)售；安防設(shè)備銷(xiāo)售；閥門(mén)和旋塞銷(xiāo)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(xiāo)售；電氣設(shè)備銷(xiāo)售；機(jī)械設(shè)備銷(xiāo)售；電子元器件與機(jī)電組件設(shè)備銷(xiāo)售；電子產(chǎn)品銷(xiāo)售；終端計(jì)量設(shè)備銷(xiāo)售；終端測(cè)試設(shè)備銷(xiāo)售；供應(yīng)用儀器儀表銷(xiāo)售；電子**設(shè)備銷(xiāo)售；技術(shù)開(kāi)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?jī)x器化工。公司。目前我公司在職員工達(dá)到5~10人人，是一個(gè)有活力有能力有創(chuàng)新精神的高效團(tuán)隊(duì)。公司以誠(chéng)信為本，業(yè)務(wù)領(lǐng)域涵蓋[ "雷達(dá)料位計(jì)", "雷達(dá)物位計(jì)", "壓力變送器", "溫度變送器" ]，我們本著對(duì)客戶(hù)負(fù)責(zé)，對(duì)員工負(fù)責(zé)，更是對(duì)公司發(fā)展負(fù)責(zé)的態(tài)度，爭(zhēng)取做到讓每位客戶(hù)滿(mǎn)意。目前公司已經(jīng)成為[ "雷達(dá)料位計(jì)", "雷達(dá)物位計(jì)", "壓力變送器", "溫度變送器" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領(lǐng)域拓展。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/979419.html</p></div></div></div></div></div><div id="nrnzl3u" class="page-right twoColRt"><div id="i8g32tk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m8qzvmy" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="tcyul2v" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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