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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="afhzbda" 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>陜西氣動(dòng)系統(tǒng)溫度變送器哪家好,溫度變送器</p><p><span>***更新：</span>2020-12-16 10:24:25</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="td7yxtk" 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="7a7qf7t" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gvcjbnk" class="box"><p><p> 溫度變送器是一種常見(jiàn)的儀器，溫度變送器的應(yīng)用范圍是十分廣的，在各個(gè)領(lǐng)域都有應(yīng)用溫度變送器，溫度變送器的工作原理是什么呢?熱電偶一般用于中高溫的測(cè)量，而熱電阻主要是低溫的測(cè)量。溫度變送器中選擇熱電偶和熱電阻的工作原理的區(qū)別是什么呢，下面為大家具體介紹一下吧。 </p> <p> 熱電偶熱電偶是工業(yè)上常用的溫度檢測(cè)元件之一，熱電偶工作原理是基于賽貝克(seeback)效應(yīng),即兩種不同成分的導(dǎo)體兩端連接成回路，如兩連接端溫度不同，則在回路內(nèi)產(chǎn)生熱電流的物理現(xiàn)象。其優(yōu)點(diǎn)是：①測(cè)量精度高。因熱電偶直接與被測(cè)對(duì)象接觸，不受中間介質(zhì)的影響。②測(cè)量范圍廣。常用的熱電偶從-50~+1600℃均可邊續(xù)測(cè)量，某些特殊熱電偶*低可測(cè)到-269℃(如金鐵鎳鉻)，zui高可達(dá)+2800℃(如鎢-錸)，陜西氣動(dòng)系統(tǒng)溫度變送器哪家好。③構(gòu)造簡(jiǎn)單，使用方便。熱電偶通常是由兩種不同的金屬絲組成，而且不受大小和開(kāi)頭的限制，陜西氣動(dòng)系統(tǒng)溫度變送器哪家好，陜西氣動(dòng)系統(tǒng)溫度變送器哪家好，外有保護(hù)套管，用起來(lái)非常方便。數(shù)顯溫度變送器采用硅橡膠或環(huán)氧樹(shù)脂密封結(jié)構(gòu)，因此耐震、耐濕、適合在惡劣的現(xiàn)場(chǎng)環(huán)境安裝使用。陜西氣動(dòng)系統(tǒng)溫度變送器哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西氣動(dòng)系統(tǒng)溫度變送器哪家好,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329352318056640/3713289.png"></div><p> 溫度變送器的重要性：在如今的工業(yè)生產(chǎn)過(guò)程中，變送器這一測(cè)量?jī)x器已經(jīng)是不可缺少的一部分。在傳統(tǒng)的工業(yè)設(shè)備中增加使用變送器，便于工作人員操作與維護(hù)的同時(shí)，其功能和精度將得到有效的提升，安全性能也更有保障。而在現(xiàn)代的自動(dòng)化系統(tǒng)當(dāng)中，變送器已經(jīng)成為其系統(tǒng)的重要組成部分。溫度是工業(yè)監(jiān)測(cè)和控制系統(tǒng)中基本的參數(shù)，同時(shí)人們對(duì)工業(yè)溫度測(cè)控系統(tǒng)的可靠性和精確性要求越來(lái)越高。溫度變送器也變得更加重要。像是在石油、化工、冶金、機(jī)電、陶瓷、玻璃、電力、航空、食品加工、醫(yī)學(xué)工程等工業(yè)領(lǐng)域的溫度檢測(cè)與控制，以及與其它儀器儀表的配合使用等方面，都有著重要的作用和意義。溫度變送器是工業(yè)生產(chǎn)領(lǐng)域不可或缺的儀器儀表。陜西氣動(dòng)系統(tǒng)溫度變送器哪家好變送器如果由兩個(gè)用來(lái)測(cè)量溫差的傳感器組成，輸出信號(hào)與溫差之間有給定的連續(xù)函數(shù)關(guān)系。故稱為溫度變送器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西氣動(dòng)系統(tǒng)溫度變送器哪家好,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346476562500/8679498.png"></div><p> 小型溫度變送器詳細(xì)信息: </p> <p> 產(chǎn)品概述：采用進(jìn)口測(cè)溫元件，熱響應(yīng)時(shí)間快，抗熱性能好。 </p> <p> 特點(diǎn)：熱響應(yīng)時(shí)間快;結(jié)構(gòu)可定制，也可定制帶現(xiàn)場(chǎng)顯示的。 </p> <p> 技術(shù)規(guī)格：測(cè)溫元件： PT100 ;精度等級(jí)：A級(jí)：±（0.15+0.2%t）； B級(jí) ：±（0.3+0.5%t）;溫度范圍：-50℃~600℃~1300℃;保護(hù)管材質(zhì)：304不銹鋼，316L不銹鋼或指定材質(zhì);輸出：可選擇4--20mA(兩線制) ,0--10V（三線，四線）;過(guò)程連接：G1/2，M14，M20;接線盒形式：不銹鋼;電氣接口：赫斯曼或DIN接頭。 </p> <p> 應(yīng)用：造紙、水電、化纖等設(shè)備。 </p><p> 溫度變送器的熱惰性： </p> <p> 溫度變送器是一種使用熱電阻等元器件將溫度信號(hào)轉(zhuǎn)化為電信號(hào)的儀器儀表。溫度變送器的研發(fā)過(guò)程是復(fù)雜和嚴(yán)苛的，很多因素都影響著終溫度變送器的測(cè)量。熱惰性就是其中一個(gè)重要因素。熱惰性是指在一定時(shí)間對(duì)某材料加一定量的熱，材料表面的溫度改變快慢的性質(zhì)。溫度變送器的熱惰性其實(shí)就是溫度變送器里，熱電阻或者熱電偶的熱惰性。由于熱電阻或者熱電偶的熱惰性使儀表的指示值落后于被測(cè)介質(zhì)溫度的變化，在進(jìn)行快速測(cè)量時(shí)這種影響尤為突出。解決這一現(xiàn)象通常的做法是采用導(dǎo)熱機(jī)能好的材料，管壁薄、內(nèi)徑小的溫度探針和保護(hù)套管。溫度變送器熱惰性引起的誤差在測(cè)量中有很大的影響，尤其是在精密測(cè)量的時(shí)候一定要注意，我們要盡量避免溫度變送器熱惰性引起的誤差，或者采取適當(dāng)?shù)难a(bǔ)償來(lái)消弱這種誤差。溫度變送器是一種將溫度變量變換為可傳送的規(guī)范化輸出信號(hào)的變送器設(shè)備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西氣動(dòng)系統(tǒng)溫度變送器哪家好,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347108144531/6107652.png"></div><p> 熱電阻溫度變送器: </p> <p> 熱電阻溫度變送器中采用的熱電阻是用半導(dǎo)體材料，大多為負(fù)溫度系數(shù)，即阻值隨溫度增加而降低。溫度變化會(huì)造成大的阻值改變，因此它是zui靈敏的溫度變送器。熱電阻體積非常小，對(duì)溫度變化的響應(yīng)也快。但熱敏電阻需要使用電流源，小尺寸也使它對(duì)自熱誤差極為敏感。熱電阻在兩條線上測(cè)量的是yiding 溫度，有較好的精度。熱電阻溫度變送器非常適合需要進(jìn)行快速和靈敏溫度測(cè)量的電流控制應(yīng)用。 </p> <p> 熱電偶溫度變送器: </p> <p> 熱電偶溫度變送器是溫度測(cè)量中zui常用的溫度變送器。其主要好處是寬溫度范圍和適應(yīng)各種大氣環(huán)境，而且結(jié)實(shí)、價(jià)低，無(wú)需供電，也是低價(jià)的。但熱電偶并不適合高精度的的測(cè)量和應(yīng)用。能將接納的氣體、液體壓力信號(hào)轉(zhuǎn)變成標(biāo)準(zhǔn)的電流電壓信號(hào)，以供應(yīng)指示記錄儀、調(diào)節(jié)器等進(jìn)行指示和進(jìn)程調(diào)節(jié)。陜西氣動(dòng)系統(tǒng)溫度變送器哪家好</p><p style="text-indent:25px">溫度變送器的失效形式分為風(fēng)險(xiǎn)失效、安全失效和無(wú)影響失效。陜西氣動(dòng)系統(tǒng)溫度變送器哪家好</p><p> 檢測(cè)溫度變送器檢測(cè)溫度變送器概述：結(jié)構(gòu)簡(jiǎn)單，安裝、使用、維修方便，是新一代溫度檢測(cè)、控制儀表，深受廣大設(shè)計(jì)人員和用戶的歡迎。目前已廣用于石油、化工、冶金、電站、輕工等部門，與調(diào)節(jié)器、記錄儀表、計(jì)算機(jī)等配套使用，組成各種測(cè)量控制系統(tǒng)。該溫度變送器按溫度傳感器不同，分為熱電偶和熱電阻兩種系列，在每種系列中，根據(jù)使用場(chǎng)合的的不同分為隔爆型和普通型，根據(jù)輸出功能的不同，分為帶現(xiàn)場(chǎng)顯示和不帶現(xiàn)場(chǎng)顯示。用戶可根據(jù)使用場(chǎng)合和配套儀表的要求選擇適當(dāng)?shù)囊?guī)格型號(hào)。隔爆型智能溫度變送器經(jīng)*儀器儀表防爆安全監(jiān)督檢驗(yàn)站測(cè)試合格，可在性氣體環(huán)境中使用。陜西氣動(dòng)系統(tǒng)溫度變送器哪家好</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2429603.html</p></div></div></div></div></div><div id="xcewd7j" class="page-right twoColRt"><div id="3a9zwta" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m2zykwt" class="recomPic likePro"><a href="http://m.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" 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