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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>江蘇插入式巴類流量計找哪家,流量計</p><p><span>***更新：</span>2020-09-08 05:14:42</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="b5xvlrh" 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="ljxvpvt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="5fddjfv" class="box"><p><p> 電磁流量計接地的原因： </p> <p> 電磁流量計內(nèi)的測量電極處于一個直流或交流電場內(nèi)，江蘇插入式巴類流量計找哪家，如果其環(huán)境不能有效地被屏蔽于一個無干擾的條件下，對測量有嚴(yán)重干擾。傳感器外殼接地與否，直接關(guān)系到測量的精度和穩(wěn)定性，接地導(dǎo)線必須不傳任何干擾電壓，因此電磁流量計要求有非常可靠的接地，江蘇插入式巴類流量計找哪家，要做好接地屏蔽，否則就會產(chǎn)生干擾電流。<span style="font-size:12px;"> </span> </p> <p> 電磁流量計接地的好處： </p> <p> 若連接流量計的管道是(相對于被測介質(zhì))絕緣的則要用接地環(huán)，它的材質(zhì)應(yīng)根據(jù)被測介質(zhì)的腐蝕性選用，江蘇插入式巴類流量計找哪家。如果是聚四氟乙烯內(nèi)襯的測量傳感器，為了保測量傳感器能正常工作，要選用接地環(huán)。 </p> <p> 超聲波流量計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。江蘇插入式巴類流量計找哪家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇插入式巴類流量計找哪家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837089111328/5851189.png"></div><p> 質(zhì)量流量計 </p> <p> 由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時需給出介質(zhì)的參數(shù)。在介質(zhì)參數(shù)不斷變化的情況下，往往難以達(dá)到這一要求，而造成儀表顯示值失真。因此，質(zhì)量流量計就得到的應(yīng)用和重視。質(zhì)量流量計分直接式和間接式兩種。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，目前常用的有量熱式、角動量式、振動陀螺式、馬格努斯效應(yīng)式和科里奧利力式等質(zhì)量流量計。間接式質(zhì)量流量計是用密度計與容積流量直接相乘求得質(zhì)量流量的。江蘇插入式巴類流量計找哪家流量計有齒輪式流量計、刮板式流量計、旋轉(zhuǎn)活塞式流量計，是通過測量一個個標(biāo)準(zhǔn)體積的小容積來反映流量;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇插入式巴類流量計找哪家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837271718750/6710757.png"></div><p> 差壓式流量計應(yīng)用范圍特別,在封閉管道的流量測量中各種對象都有應(yīng)用,如流體方面:單相、混相、潔凈、臟污、粘性流等;工作狀態(tài)方面:常壓、高壓、真空、常溫、高溫、低溫等;管徑方面:從幾 mm 到幾 m;流動條件方面:亞音速、音速、脈動流等。它在各工業(yè)部門的用量約占流量計全部用量的 1/4~1/3。 </p> <p> 孔板以內(nèi)孔銳角線來保證精度，因此對腐蝕、磨損、結(jié)垢、臟污敏感，長期使用精度難以保證，需每年拆下強(qiáng)檢一次。采用法蘭連接，易產(chǎn)生跑、冒、滴、漏問題，增加了維護(hù)工作量。 </p> <p> 工業(yè)發(fā)達(dá)國家近年 PD流量計(不包括家用煤氣表和家用水表)的銷售金額占流量儀表的 13%~23%;我國約占 20%,1990 年產(chǎn)量(不包括家用煤氣表)估計為 34 萬臺,其中橢圓齒輪式和腰輪式分別約占 70%和 20%。 </p><p> 按測量原理分類 </p> <p> 1.力學(xué)原理：屬于此類原理的儀表有利用伯努利定理的差壓式、轉(zhuǎn)子式；利用動量定理的沖量式、可動管式；利用牛頓第二定律的直接質(zhì)量式；利用流體動量原理的靶式；利用角動量定理的渦輪式；利用流體振蕩原理的旋渦式、渦街式；利用總靜壓力差的皮托管式以及容積式和堰、槽式等等。 </p> <p> 2.電學(xué)原理：用于此類原理的儀表有電磁式、差動電容式、電感式、應(yīng)變電阻式等。 </p> <p> 3.聲學(xué)原理：利用聲學(xué)原理進(jìn)行流量測量的有超聲波式．聲學(xué)式(沖擊波式)等。 </p> <p> 4.熱學(xué)原理：利用熱學(xué)原理測量流量的有熱量式、直接量熱式、間接量熱式等。 </p> <p> 5.光學(xué)原理：激光式、光電式等是屬于此類原理的儀表。 </p> <p> 6.原于物理原理：核磁共振式、核幅射式等是屬于此類原理的儀表． </p> <p> 7.其它原理：有標(biāo)記原理(示蹤原理、核磁共振原理)、相關(guān)原理等。 1、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，孔板的結(jié)構(gòu)因壓力、通徑、取壓方式的不同而不同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇插入式巴類流量計找哪家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838129570312/452689.png"></div><p> 關(guān)于超聲波流量計固定式和便攜式有什么不同 </p> <p> （1）合適使用的場合不一樣 </p> <p> 固定式超聲波流量計用于安裝在某一固定方位，對某一特定管道內(nèi)流體的流量進(jìn)行長時間不間斷的計量；便攜式超聲波流量計具有很大的機(jī)動性，首要用于對不一樣管道的流體流量作臨時性丈量。 </p> <p> （2）供電方法不一樣 </p> <p> 固定式超聲波流量計要求長時間接連運(yùn)轉(zhuǎn)，所以要運(yùn)用220V交流電源，便攜式超聲波流量計既能夠運(yùn)用現(xiàn)場的交流電源，也備有內(nèi)置充電電池，能夠接連作業(yè)5～10h［小時］，方便了不一樣場合臨時性流量丈量的需要。 </p> <p> （3）有些功用不一樣 </p> <p> 因定式超聲波流量計，通常都有4-20mA信號輸出等功用，供遠(yuǎn)傳顯現(xiàn)運(yùn)用，但其內(nèi)部只能存貯一條管道的參數(shù)；便攜式超聲波流量計**為了現(xiàn)場檢查當(dāng)時流量和短時間內(nèi)的累計流量，故一般無輸出信號功用，但為了方便丈量不一樣管道流量，它具有豐厚的儲存功用，能夠一起存貯數(shù)十條不一樣管道的參數(shù)，供隨時調(diào)出運(yùn)用。 </p> <p> <br /> 電磁流量計要求有非?？煽康慕拥?，要做好接地屏蔽，否則就會產(chǎn)生干擾電流。鎮(zhèn)江長頸噴嘴流量計價格</p><p style="text-indent:25px">流量計有熱式質(zhì)量流量計、差壓式質(zhì)量流量計、葉輪式質(zhì)量流量計、哥力式質(zhì)量流量計、間接式質(zhì)量流量計；江蘇插入式巴類流量計找哪家</p><p> 為了智能電磁流量計能夠很好地正常使用，智能電磁流量計傳感器接地一定要安裝好。智能電磁流量計傳感器接地時，應(yīng)注意以下幾點(diǎn)： </p> <p> 1、傳感器、轉(zhuǎn)換器的接地在現(xiàn)場，去二次儀表的屏蔽層在控制室一側(cè)接地，切勿多端接地，以免因電位不同而引入干擾。 </p> <p> 2、傳感器安裝在金屬管道上，可將傳感器的接地導(dǎo)線按制造廠的要求連接在管道法蘭上，形成可靠的接地回路儀表的接地點(diǎn)應(yīng)是一個**的接地點(diǎn)，不可以共用其他電氣設(shè)備的接地。 </p> <p> 3、傳感器的測量管、外殼、屏蔽線、轉(zhuǎn)換器及二次儀表都要接地。 </p> <p> 4、傳感器、轉(zhuǎn)換器應(yīng)單獨(dú)接地，不要連在電動機(jī)、工藝管道上，接地電阻應(yīng)小于10歐姆。江蘇插入式巴類流量計找哪家</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、插入式渦街流量計、智能超聲波流量計、威力巴流量計、平衡流量計、德爾塔巴流量計、超聲波流量計、雷達(dá)物位計、超聲波液位計、磁翻板液位計、電磁流量計、渦街流量計、旋進(jìn)漩渦流量計、渦輪流量計、壓力差壓變送器、校驗(yàn)設(shè)備等。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。江蘇中徽測控儀表擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供雷達(dá)料位計，雷達(dá)液位計，物位計，水位計。江蘇中徽測控儀表致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。江蘇中徽測控儀表始終關(guān)注儀器儀表行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1199288.html</p></div></div></div></div></div><div id="j3rpdrh" class="page-right twoColRt"><div id="7n7trhd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="flfn73h" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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