黑龍江小巧型壓力變送器真誠推薦西安倫騫電器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="壓力變送器輸出電流波動(dòng)或不穩(wěn)定故障:壓力變送器在使用過程中會(huì)遇到輸出電流波動(dòng)或不穩(wěn)定的狀況。我們要如何進(jìn)行這種故障的維修呢？我們就結(jié)合壓力變送器輸出電流波動(dòng)或不穩(wěn)定的現(xiàn)象，來對(duì)壓力變送器進(jìn)行分析處理。壓力變送器輸出電流波動(dòng)，在DCS顯示曲線"><meta name="keywords" content="黑龍江小巧型壓力變送器,壓力變送器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438938095703/4859570.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wasprtv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438938095703/4859570.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b2fsu29" 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>黑龍江小巧型壓力變送器,壓力變送器</p><p><span>***更新：</span>2020-08-15 04:17:01</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="jczg7he" 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="xwdk3m7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3l3gnu2" class="box"><p><p> 壓力變送器輸出電流波動(dòng)或不穩(wěn)定故障: </p> <p> 壓力變送器在使用過程中會(huì)遇到輸出電流波動(dòng)或不穩(wěn)定的狀況。我們要如何進(jìn)行這種故障的維修呢？我們就結(jié)合壓力變送器輸出電流波動(dòng)或不穩(wěn)定的現(xiàn)象，來對(duì)壓力變送器進(jìn)行分析處理。壓力變送器輸出電流波動(dòng)，在DCS顯示曲線上是可以明顯地看到的。在進(jìn)行故障排查的時(shí)候，可以先將控制系統(tǒng)切換至手動(dòng)觀察波動(dòng)情況。如果測(cè)量曲線波動(dòng)仍很頻繁,應(yīng)該是工藝的原因。如果波動(dòng)減少了，則可能是壓力變送器的原因或PID參數(shù)整定不當(dāng)引起。壓力變送器輸出電流波動(dòng)很明顯，顯示時(shí)有時(shí)無，時(shí)高時(shí)低時(shí)，黑龍江小巧型壓力變送器，黑龍江小巧型壓力變送器，應(yīng)重點(diǎn)檢查測(cè)量回路的連接情況。認(rèn)真排查接線端子的螺釘有沒有松動(dòng)、氧化、腐蝕而造成接觸不良。如果懷疑壓力變送器有問題，可以在有流量或壓力的狀態(tài)下，把三閥組或取樣閥關(guān)閉，黑龍江小巧型壓力變送器,使變送器保持一個(gè)固定的差壓或壓力，觀察變送器的輸出電流是否穩(wěn)定,如果電流仍不穩(wěn)定則變送器有故障或有干擾。 </p> <p> <br /> </p> <p> <br /> 隔離變壓器的初、次級(jí)之間均用屏蔽層隔離，減少其分布電容，以提高抵抗共模干擾能力。黑龍江小巧型壓力變送器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江小巧型壓力變送器,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438938095703/4859570.png"></div><p> 實(shí)際上廠家對(duì)智能變送器的校準(zhǔn)也是有說明的，如ABB的變送器，對(duì)校準(zhǔn)就有:“設(shè)定量程”、“重定量程”、“微調(diào)”之分。其中“設(shè)定量程”操作主要是通過LRV.URV的數(shù)字設(shè)定來完成配置工作，而“重定量程”操作則要求將變送器連接到標(biāo)準(zhǔn)壓力源上，通過一系列指令引導(dǎo)，由變送器直接感應(yīng)實(shí)際壓力并對(duì)數(shù)值進(jìn)行設(shè)置。而量程的初始、終設(shè)置直接取決于真實(shí)的壓力輸入值。但要看到盡管變送器的模擬輸出與所用的輸入值關(guān)系正確，但過程值的數(shù)字讀數(shù)顯示的數(shù)值會(huì)略有不同，這可通過微調(diào)項(xiàng)來進(jìn)行校準(zhǔn)。由于各部分既要單獨(dú)調(diào)校又必需要聯(lián)調(diào)，因此實(shí)際校準(zhǔn)時(shí)可按以下步驟進(jìn)行： </p> <p> 1．先做一次4-20mA微調(diào)，用以校正變送器內(nèi)部的D/A轉(zhuǎn)換器，由于其不涉及傳感部件，無需外部壓力信號(hào)源。 </p> <p> 2．再做一次全程微調(diào)，使4-20mA、數(shù)字讀數(shù)與實(shí)際施加的壓力信號(hào)相吻合，因此需要壓力信號(hào)源。 </p> <p> 3．做重定量程，通過調(diào)整使模擬輸出4-20mA與外加的壓力信號(hào)源相吻合，其作用與變送器外殼上的調(diào)零(Z)、調(diào)量程(R)開關(guān)的作用完全相同。 </p> <p> 壓力變送器是一種比較常用的測(cè)量儀器，可以將測(cè)壓元件受到的氣體、液體等物理參數(shù)轉(zhuǎn)變成標(biāo)準(zhǔn)的信號(hào)輸出，具有測(cè)量精細(xì)、性能穩(wěn)定、靈敏度高、操作簡便等優(yōu)點(diǎn)。黑龍江小巧型壓力變送器壓力變送器主要使用的壓電材料有石英、磷酸二氫胺和酒石酸鉀鈉。石英，它是種天然晶體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江小巧型壓力變送器,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438873701172/3612278.png"></div><p> 變送器需要多大的精度：決定精度的有，非線性，遲滯性，機(jī)電商務(wù)網(wǎng) 非重復(fù)性，溫度、零點(diǎn)偏置刻度，溫度的影響。但主要由非線性，遲滯性，非重復(fù)性，精度越高，價(jià)格也就越高。每一種電子式的測(cè)量計(jì)都會(huì)有精度誤差的,但是由于各個(gè)國家所標(biāo)的精度等級(jí)是不一樣的. </p> <p> 變送器的溫度范圍：通常一個(gè)變送器會(huì)標(biāo)定兩個(gè)溫度范圍，即正常操作的溫度范圍和溫度可補(bǔ)償?shù)姆秶?emsp;正常操作溫度范圍是指變送器在工作狀態(tài)下不被破壞的時(shí)候的溫度范圍，在超出溫度補(bǔ)范圍時(shí)，可能會(huì)達(dá)不到其應(yīng)用的性能指標(biāo)。溫度補(bǔ)償范圍是一個(gè)比操作溫度范圍小的典型范圍。在這個(gè)范圍內(nèi)工作，變送器肯定會(huì)達(dá)到其應(yīng)有的性能指標(biāo)。溫度變從兩方面影響著其輸出，一是零點(diǎn)漂移；二是影響滿量程輸出。如：滿量程的+/-X%/℃，讀數(shù)的+/-X%/℃，在超出溫度范圍時(shí)滿量程的+/-X%，在溫度補(bǔ)償范圍內(nèi)時(shí)讀數(shù)的+/-X%，如果沒有這些參數(shù)，會(huì)導(dǎo)至在使用中的不確定性。變送器輸出的變化到度是由壓力變化引起的，還是由溫度變化引起的。溫度影響是了解如何使用變送器時(shí)zui復(fù)雜的一部分。 </p><p> 壓力變送器是石化行業(yè)中使用的比較多的儀器儀表。在較為大型的石化項(xiàng)目中，應(yīng)用的壓力變送器型號(hào)更為廣，高溫型、防爆型、防水型、抗沖擊型以及各種材質(zhì)及特殊加工的壓力變送器。 </p> <p> 壓力變送器，可進(jìn)行表壓、絕壓和負(fù)壓的測(cè)量。具有精度高、穩(wěn)定性好、響應(yīng)速度快、抗干擾、耐沖等特點(diǎn)。膜片材質(zhì)采用316L不銹鋼，輸出信號(hào)可選擇電流型、電壓型和數(shù)字型輸出。對(duì)于石化行業(yè)來說，壓力變送器的精度是重要考量指標(biāo)，壓力變送器可定制0.1高精度產(chǎn)品。除了精度，壓力變送器的穩(wěn)定性也被控制在±0.1%FS/年。石化行業(yè)較為特殊，很多場(chǎng)合都需要用到防爆型壓力變送器。壓力變送器有隔爆型、本安型和粉塵本安型三種不同的防爆類型，客戶可根據(jù)現(xiàn)場(chǎng)實(shí)際使用情況進(jìn)行選擇。石化行業(yè)對(duì)壓力變送器的還有許多其它的要求，例如需要測(cè)量像原油這些帶有顆粒、沖擊大或者粘稠的介質(zhì)，這時(shí)就需要使用抗沖擊型壓力變送器，其特殊的工藝設(shè)計(jì)具有有效的抗干擾能力，測(cè)量的前端采用***、經(jīng)過特殊處理的堅(jiān)固膜片，精湛的力學(xué)傳遞結(jié)構(gòu)和封裝工藝使其具有結(jié)構(gòu)緊湊、抗震動(dòng)、抗頻繁高壓沖擊、抗堅(jiān)固沙石沖擊、耐磨損等特點(diǎn)。是石化行業(yè)理想的壓力測(cè)量儀表。壓力變送器的外殼是否有效、真實(shí)的接地。壓力變送器外殼有效接地，具有很好的抗干擾作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江小巧型壓力變送器,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438575546875/674830.png"></div><p> 在易燃易爆的工況場(chǎng)合下，考慮到現(xiàn)場(chǎng)的安全性，需要選擇具有防爆功能的壓力變送器。壓力變送器在防爆方式中有三種方式：控制易爆氣體、控制局限和控制yinbao源。 </p> <p> 控制易爆氣體：防爆壓力變送器工作原理是在一個(gè)密封的隔爆箱體內(nèi)，充滿不含易爆氣體的潔凈氣體或惰性氣體，并保持箱內(nèi)氣壓略高于箱外氣壓，將壓力變送器安裝在箱內(nèi)。 </p> <p> 控制局限：這種形式的工作原理是將防爆壓力變送器外殼設(shè)計(jì)為隔爆標(biāo)準(zhǔn)殼體，防爆壓力變送器設(shè)計(jì)時(shí)按隔爆標(biāo)準(zhǔn)的殼體，按規(guī)范嚴(yán)格設(shè)計(jì)、制造和裝配一切的管理辦法執(zhí)行工藝，使在殼體內(nèi)發(fā)作的不致于激發(fā)殼體外風(fēng)險(xiǎn)性氣體的。隔爆防爆辦法的設(shè)計(jì)與制造標(biāo)準(zhǔn)極端嚴(yán)厲，并且裝配、接線和維修的操作規(guī)程也十分嚴(yán)厲。該辦法決定了隔爆的電氣設(shè)備、儀表往往十分嚴(yán)格，操作須斷電等。 </p> <p> 控制yinbao源：此種方法的工作原理是應(yīng)用安全柵進(jìn)行隔離接線從防爆壓力變送器在用電配電進(jìn)行處理，將供應(yīng)給現(xiàn)場(chǎng)防爆壓力變送器的電能量限制在既不能發(fā)生足以yinbao的火花，又能發(fā)生足以yinbao的儀表外表溫升的平安局限內(nèi)。依照國際規(guī)范和我國的國度規(guī)范，當(dāng)安全柵平安區(qū)一側(cè)所接設(shè)備發(fā)作任何以障時(shí)，實(shí)質(zhì)安全防爆辦法確保風(fēng)險(xiǎn)現(xiàn)場(chǎng)的防爆安全。壓力變送器根據(jù)測(cè)量范圍可分成一般壓力變送器和微差壓變送器，負(fù)壓變送器三種。黑龍江小巧型壓力變送器</p><p style="text-indent:25px">電流輸出是壓力變送器常用的一種信號(hào)輸出方式，這與它的性能特點(diǎn)有關(guān)。黑龍江小巧型壓力變送器</p><p> 防爆型壓力變送器由一體化智能傳感器和**電路組成。傳感器部分由壓力傳感器、信號(hào)調(diào)制電路、**數(shù)字處理芯片、溫度傳感器和數(shù)據(jù)存儲(chǔ)器等組成，**電子線路部分由LCD顯示屏、功能鍵和EMC電路組成。壓力信號(hào)經(jīng)壓力傳感器轉(zhuǎn)換為電信號(hào)，電信號(hào)經(jīng)調(diào)制后送到**數(shù)字處理芯片進(jìn)行數(shù)據(jù)處理，然后轉(zhuǎn)換為與壓力信號(hào)對(duì)應(yīng)4~20mA輸出信號(hào)，并在電流信號(hào)上疊加HART數(shù)字信號(hào)以進(jìn)行通訊. </p> <p> 防爆型壓力變送器具有以下特點(diǎn)：投入式壓力變送器防爆型分解圖小體積、高穩(wěn)定性、高靈敏度；全密封焊接結(jié)構(gòu)；多種量程選擇﹑用戶調(diào)試方便；防雷擊﹑防射頻干擾；具有零點(diǎn)/滿量程可調(diào)的選購件；可選用小型一體化液晶顯示。黑龍江小巧型壓力變送器</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司是一家智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計(jì)算機(jī)軟及軸助設(shè)備零售；環(huán)境監(jiān)測(cè)**儀器銷售；電氣設(shè)備銷售；機(jī)械設(shè)備銷售；電子元器件與機(jī)電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計(jì)量設(shè)備銷售；終端測(cè)試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(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)量儀器化工。的公司，致力于成為客戶業(yè)務(wù)創(chuàng)新、儀器儀表可信賴的合作伙伴。西安倫騫電器深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的[ "雷達(dá)料位計(jì)", "雷達(dá)物位計(jì)", "壓力變送器", "溫度變送器" ]。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來效益，目前年?duì)I業(yè)額達(dá)到50-100萬元。西安倫騫電器始終關(guān)注儀器儀表行業(yè)。海納百川，有容乃大，國內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/920140.html</p></div></div></div></div></div><div id="3bqmdfh" class="page-right twoColRt"><div id="edkhtvc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dseb3xe" 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="inkmykm" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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