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src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711026734705/3791399.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3vcm3rt" 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>上海流量計,流量計</p><p><span>***更新：</span>2021-01-24 09:12:41</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="laxmicd" 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="fz8jgkb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="23qfwi2" class="box"><p><p style="text-indent:25px">電磁流量計的同相干擾與克制方法：電磁流量計同相干擾工頻干擾或共模干擾，是指在同一瞬間出現(xiàn)在變送器的兩個電極上，并且幅值和相位都相同的干擾信號。當(dāng)流量為零時，即被測液體靜止不動時，所測得的同相信號就是同相干擾信號。防腐型電磁流量計對于同相干擾，克制的方法較多。在變送器方面，將電極和勵磁線圈在幾何形狀、尺寸以及性能參數(shù)上做得均衡對稱，并分別嚴(yán)格屏蔽，以減少電極與勵磁線圈之間的分布電容影響。電磁流量計為了減少地電流造成的同相干擾，上海流量計，在安裝接地線時，要把變送器兩端的管道法蘭盤與轉(zhuǎn)換器的外殼都接在同一點上，上海流量計，以減少同相干擾，但不能完全消除同相干擾。因此，通常還在轉(zhuǎn)換器的前置放大級采用增加了恒流源的差動放大電路，利用差動放大器的高共模克制比，使進(jìn)入轉(zhuǎn)換器輸入端的同相干擾信號互相抵消而被克制，可以達(dá)到很好的效果。同時，為了避免干擾信號，上海流量計，變送器和轉(zhuǎn)換器之間的信號必須用屏蔽導(dǎo)線傳輸。氯丁橡膠的耐磨性比較好，耐一般低濃度的酸堿。上海流量計</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海流量計,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637402711026734705/3791399.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。嘉興電磁流量計哪家便宜流量上限值：流量計能按規(guī)定精確度測量的大流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海流量計,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142302835889/3702973.png"></div><p style="text-indent:25px">污水流量計是用來測量管內(nèi)導(dǎo)電介質(zhì)體積流量的感應(yīng)式儀表。現(xiàn)在我們就關(guān)于污水流量計對介質(zhì)流速和直管段要求作一點簡單分析。污水流量計只有測量導(dǎo)電的液體介質(zhì)，這一點我們一定要記住，接下就要看到介質(zhì)是不是滿管，所有流量儀表產(chǎn)品都需要介質(zhì)滿管，不滿管帶來測量誤差很大，當(dāng)出現(xiàn)這種情況一定要求用戶進(jìn)行改造管道以達(dá)到滿管的目的，接下來就要看介質(zhì)流量是不是滿足污水流量計的小流量，常用流量和大流量的要求。以上情況確定之后，基本上就可以選擇這種型號的污水流量計使用。污水流量計對介質(zhì)流速和直管段都有一定的要求，我們只有給它創(chuàng)造一個好的運行環(huán)境，才能發(fā)揮它的準(zhǔn)確性，因此我們要想方法盡一切可能滿足其所有要求。</p><p style="text-indent:25px">選購電磁流量計的時候要根據(jù)所需要測量的液體介質(zhì)的物理和化學(xué)性質(zhì)來判斷。與很多電磁流量計生產(chǎn)廠家不同的是，一般來說，電磁流量計主要包括電極、導(dǎo)管、內(nèi)襯、磁軛、外殼、線圈、轉(zhuǎn)換器等七大部分，其中磁軛的質(zhì)量決定了電磁流量計的質(zhì)量。中瑞能儀表生產(chǎn)的電磁流量計的過人之處就在于，中瑞能始終堅持質(zhì)量*的生產(chǎn)經(jīng)營理念，多年來一直致力于為廣大客戶提供專業(yè)的電子儀器儀表。因此，儀表在生產(chǎn)電磁流量計過程中使用的是精密的對稱的磁軛片，能夠有效提高對導(dǎo)電系數(shù)低的液體的流速測量，進(jìn)而準(zhǔn)確測定流量，這與國外先進(jìn)生產(chǎn)廠家的生產(chǎn)標(biāo)準(zhǔn)一致。在選擇了一個適用的電磁流量計之后你就會發(fā)現(xiàn)這個設(shè)備有以下幾個優(yōu)勢。首先傳感器是整個設(shè)備重要的元件之一，因為它的準(zhǔn)確度直接決定了測量的精確度。現(xiàn)象一下如果這個設(shè)備在使用的過程當(dāng)中，其他一切元件都穩(wěn)定運行，但是就是這個傳感器出現(xiàn)了故障，那么后的結(jié)果大家可想而知。是一種測量導(dǎo)電介質(zhì)體積流量的感應(yīng)式儀表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海流量計,流量計" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142327474870/5073743.png"></div><p style="text-indent:25px">電磁流量計和超聲波流量計的主要區(qū)別，準(zhǔn)確度不同：超聲波流量計是通過測量流體速度來確定體積流量，對液體應(yīng)該測量它的質(zhì)量流量，儀表測量質(zhì)量流量是通過體積流量乘以人為設(shè)定的密度后得到的，當(dāng)流體溫度變化時，流體密度是變化的，人為設(shè)定密度值，不能保證質(zhì)量流量的準(zhǔn)確度。只能在測量流體速度的同時，又測量了流體密度，才能通過運算，得到真實質(zhì)量流量值。超聲波流量計和電磁流量計的測量媒介不同，超聲波是采用聲波，頻率很低，超聲波頻率20KHz-100KHz，雷達(dá)是采用2.4GHz級別的電磁波，超聲波的限制性比較大，很容易受到其它鐵制物體的干擾，另外頻率低，衰減大，測量范圍小，應(yīng)用的面比較窄，常用在大口徑的水管線的流量測量和明渠類流量計測液位來換算成流量。也有用在固體料倉上的。電磁的頻率高，衰減小，如果加上導(dǎo)波管測量范圍可以很大，用在儲罐上比較多。但是需要注意介電常數(shù)，介電常數(shù)太小的介質(zhì)沒法測或測量范圍很小。傳統(tǒng)電磁流量計電纜內(nèi)部產(chǎn)生較大噪音，造成信號的分辨率和精度較低。嘉興電磁流量計哪家便宜</p><p style="text-indent:25px">電磁流量計具有RS485、RS232、Hart和Modbus等數(shù)字通訊信號輸出。上海流量計</p><p style="text-indent:25px">智能電磁流量計是工業(yè)生產(chǎn)中一種普通使用的流量儀表，我們要獲得穩(wěn)定可靠的流量數(shù)據(jù)離不開智能電磁流量計的穩(wěn)定工作，對于智能電磁流量計的日常維護(hù)，主要掌握較面這些方面：智能電磁流量計維護(hù)之零點檢查和調(diào)整：智能電磁流量計投入運行前，通電后必須在電磁流量傳感器充滿液體靜止?fàn)顟B(tài)較調(diào)整零點。投入運行后亦要針對使用條件定期停流動作零點檢查；尤其對沉淀、易污染電極，含有固相的非清潔液，在運行初期應(yīng)多作檢查，以獲得經(jīng)驗確定正常檢查周期。交流動激磁方式的智能電磁流量計與矩形波激比，更易產(chǎn)生零點漂移，因此更要注意檢查和調(diào)整。上海流量計</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)作為一般項目:從事測控科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機電設(shè)備的生產(chǎn)、加工、組裝、銷售，機電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項目外，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動)的企業(yè)之一，為客戶提供良好的壓力變送器，溫度傳感器，液位計，流量計。南儀測控技術(shù)不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。南儀測控技術(shù)創(chuàng)始人謝成艷，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2988668.html</p></div></div></div></div></div><div id="b2qikht" class="page-right twoColRt"><div id="lvskwdk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3woqxe3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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