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src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142264749444/6461272.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2e32em2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142264749444/6461272.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kjliamy" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>常州雷達(dá)流量計哪家便宜,流量計</p><p><span>***更新：</span>2021-01-23 07:11:47</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="8hbn7j7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測控技術(shù)(上海)有限公司</a></p><p><span>聯(lián)系人：</span>桂經(jīng)理</p><p><span>郵箱: </span>704766500@qq.com</p><p><span>電話: </span>17802114401</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.nanicontrol.com</p><p><span>手機: </span>021-61559357</p><p><span>地址: </span>滬閔路1871號9甲幢4樓407室</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="2wtauqh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hgiac8s" class="box"><p><p style="text-indent:25px">電磁流量計磁場邊緣效應(yīng)對測量有什么影響：若是沿流體流動方向上的磁場始終是均勻的，常州雷達(dá)流量計哪家便宜，在實際時，這就意味著沿著管軸方向的磁場是無限長的，而實際上電磁流量計磁場是有限長的，所以就要考慮到有限長磁場所產(chǎn)生的邊緣效果對測量的影響。如果電磁流量計管壁是絕緣的，其電極附近磁場大多都是均勻的，兩端則是會逐漸的減弱，會形成不均勻的邊緣，后就會下降至零。這樣使其液體內(nèi)部電場也會不均勻，常州雷達(dá)流量計哪家便宜，將是會產(chǎn)生有渦電流，常州雷達(dá)流量計哪家便宜，因為渦電路所產(chǎn)生的二次磁通反過來會改變磁場邊緣部分的工作磁通，會使磁場的均勻性遭受到破壞。電磁流量計是一種測量導(dǎo)電介質(zhì)體積流量的感應(yīng)式儀表。常州雷達(dá)流量計哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州雷達(dá)流量計哪家便宜,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142264749444/6461272.png"></div><p style="text-indent:25px">渦輪流量計有哪些獨特的優(yōu)點：一、高精度。我們知道，流動體的東西很難知道其它的輸出量，特別是較大型的輸出時，如果再使用稱重的方式很難達(dá)到目的，而且使用稱重的方式也不是很準(zhǔn)確，這個時候，液體渦輪流量計就表現(xiàn)出它強較大的優(yōu)勢，首先它在使用的時候十分的方便，只要從管道輸出的時候，就已經(jīng)知道了它的流量，它的精確度十分高，同時在使用的時候不會偏移，不會出現(xiàn)延時等現(xiàn)象。二、重復(fù)性好。對于一種東西的使用，必須要達(dá)到這一點，其實人們喜歡渦輪流量計，有些也正是因為這個原因，在對于這是進(jìn)行測量的時候，往往有些這是或者黏性較大或者是化學(xué)的腐蝕成分高，所以會對于東西產(chǎn)生一定的影響，在一次性使用之后，或者是直接的報廢，也某咱是數(shù)據(jù)不準(zhǔn)的現(xiàn)象，但是這種渦輪流量計則不同，它在設(shè)計上面使用了合理的設(shè)計，使用之后，或者隨時的清洗，隨時的把內(nèi)部的流動體介質(zhì)除去，不會影響較次的使用，而它的使用材料上面也十分的先進(jìn)，有著很強的抗氧化性能，一次使用之后，不會影響其性能。常州雷達(dá)流量計哪家便宜流量計聚四氟乙烯PTFE襯里還具有不粘性，不能和其他物質(zhì)相粘接，表面光滑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州雷達(dá)流量計哪家便宜,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711069791454/9673165.png"></div><p style="text-indent:25px">智能電磁流量計無流量信號輸出，原因分析與解決方案。(1)儀表供電不正常？解決方法：確認(rèn)已接入電源，檢查電源線路板輸出各路電壓是否正常，或嘗試置換整個電源線路板，判別其好壞。(2)電纜連接不正常？解決方法：檢查電纜是否完好，連接是否正確。(3)液體流動動狀況不符合安裝要求？解決方法：檢查液體流動動方向和管內(nèi)液體是否充滿。對于能正反向測量的電磁流量計，若方向不一致雖可測量，但設(shè)定的顯示流量正反方向不符，必須改正。若拆傳感器工作量較大，也可改變傳感器上的箭頭方向和重新設(shè)定顯示儀表符號。管道未流動滿液體主要是傳感器安裝位置不妥引起的，應(yīng)在安裝時采取措施，避免造成管道內(nèi)液體不滿管。(4)傳感器零部件損壞或測量內(nèi)壁有附著層？解決方法：檢查變送器內(nèi)壁電極是否覆蓋有液體結(jié)疤層，對于容易結(jié)疤的測量液體，要定期進(jìn)行清理。(5)轉(zhuǎn)換器元器件損壞？解決方法：若判斷為是轉(zhuǎn)換器元器件損壞引起的故障，更換損壞的元器件即可。</p><p style="text-indent:25px">新型低噪音電磁流量計用信號電纜通過開發(fā)新的結(jié)構(gòu)和選用新的材料具有了高抗電磁干擾能力和優(yōu)異的低噪音性能，可實現(xiàn)信號的高分辨率、高精度和穩(wěn)定傳輸：ａ．通過采用絕緣線芯對絞、對絞鋁箔分屏蔽、引流線設(shè)置、鋁箔總屏蔽、全封閉鋼合金鎧裝屏蔽等綜合設(shè)計，對內(nèi)外部電場和磁場形成有效的屏蔽隔離，克制了內(nèi)部串音，降低了信號傳輸?shù)牟▌有?，較大提高了電纜的抗電磁干擾水平，提高了電纜傳輸信號的準(zhǔn)確性和可靠性。在實際工程安裝中，電纜也不必穿金屬管敷設(shè)，可降低工程成本。ｂ．采用鍍錫導(dǎo)體以及導(dǎo)體外設(shè)置Ｆ４半導(dǎo)電帶，有利于降低導(dǎo)體和絕緣之間的摩擦起電噪音，同時電纜整體設(shè)計結(jié)構(gòu)緊湊，尤其是鋼合金鎧裝層的設(shè)計，使得電纜內(nèi)部相對滑動少，一定程度上也減少了電纜內(nèi)部摩擦起電噪音的產(chǎn)生，這樣可以將原始噪音降低２～３個數(shù)量級，極大地提高了傳輸信號的分辨率和精度，減小了電磁流量計的計量誤差，較大提高了電磁流量計的計量準(zhǔn)確性、可靠性，完全可滿足微量*計量場合的使用要求。流量計橡膠襯里還可以細(xì)分為：氯丁橡膠和聚氨酯橡膠兩種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州雷達(dá)流量計哪家便宜,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142412661529/1294224.png"></div><p style="text-indent:25px">電磁流量計被擊穿的原因分析及應(yīng)對方案：在電磁流量計的應(yīng)用上，有些用戶會遇到電磁流量計轉(zhuǎn)換器電路板被燒壞的情況，尤其在夏季多雷雨的天氣，此種情況出現(xiàn)更為頻繁，結(jié)合大部分現(xiàn)場情況判斷，損壞部分為勵磁電路的電源部分，結(jié)合損壞情況判斷，是由于過壓造成勵磁電源保護(hù)穩(wěn)壓管擊穿，續(xù)電情況下進(jìn)一步造成損壞器件過流產(chǎn)生高溫，促使PCB板極高溫碳化，加劇損壞情況.通?，F(xiàn)場產(chǎn)生過壓的原因有兩種情況：1、現(xiàn)場工況電源電壓不穩(wěn)，易產(chǎn)生浪涌電壓.若是建議安裝電源穩(wěn)壓器；2、雷雨季節(jié)的雷擊直接作用于電磁流量計，雷擊途徑多樣復(fù)雜，可通過一切與外部接觸的途徑，如輸入部分的電源；輸出部分的電流，頻率，通訊；流體管道傳感器的勵磁及電極.大流量流體――笛形均速管流量計、威力巴流量計、插入式流量計。常州雷達(dá)流量計哪家便宜</p><p style="text-indent:25px">質(zhì)量流量計應(yīng)用拓展大的障礙就是價格問題。常州雷達(dá)流量計哪家便宜</p><p style="text-indent:25px">電磁流量計想要計量準(zhǔn)必須避開幾個環(huán)境至關(guān)重要：電磁流量計計量不準(zhǔn)的因素是多種多樣的，其中主要的是與環(huán)境密切相關(guān)，如果環(huán)境不去改變計量永遠(yuǎn)會不準(zhǔn)確的，1、強磁場：因安裝時一般都注意到要遠(yuǎn)離強磁場，故強磁場影響的實踐經(jīng)驗不多。2、強電磁波：電磁流量計應(yīng)符合電磁兼容性要求，在規(guī)定輻射電磁場環(huán)境下正常工作，不會在該環(huán)境下造成儀表性能下降或工作不正常。當(dāng)分離型電磁流量計在現(xiàn)場有較大共模干擾時，作故障原因分析時就應(yīng)考慮強無線電波是否成為干擾源的可能性。本實例屬調(diào)試期罕見故障。3、管道雜散電流：電磁流量計妥善接地后，可以避免管道絕大部分雜散電流的影響。有時候按規(guī)定以粗電線跨接流量傳感器并完善接地，卻還會受雜散電流影響，尚需采取其他措施。常州雷達(dá)流量計哪家便宜</p><p style="text-indent:25px">南儀測控技術(shù)(上海)有限公司致力于五金、工具，以科技創(chuàng)新實現(xiàn)***管理的追求。南儀測控技術(shù)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的壓力變送器，溫度傳感器，液位計，流量計。南儀測控技術(shù)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。南儀測控技術(shù)始終關(guān)注五金、工具行業(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/2973307.html</p></div></div></div></div></div><div id="i3qpm8k" class="page-right twoColRt"><div id="pzb8l8i" class="box01 margin10 clearfix"><h3><a 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