自貢熱電阻誠(chéng)信服務(wù) 成都皖川科技供應(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="扁防爆熱電阻的防爆熱電阻系統(tǒng)組成(1)熱電阻測(cè)溫系統(tǒng)一般由熱電阻、連接導(dǎo)線和顯示儀表等組成。必須注意以下兩點(diǎn)：①熱電阻和顯示儀表的分度號(hào)必須一致②為了消除連接導(dǎo)線電阻變化的影響，必須采用三線制接法。具體內(nèi)容參見本篇第三章。(2)鎧裝熱電阻鎧"><meta name="keywords" content="自貢熱電阻,熱電阻"><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 http-equiv="Cache-Control" 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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>自貢熱電阻,熱電阻</p><p><span>***更新：</span>2021-01-18 11:05:38</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oyscgcz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138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="gvpgvro" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="azgy2ba" class="box"><p><p> 扁防爆熱電阻的防爆熱電阻系統(tǒng)組成 </p> <p> (1)熱電阻測(cè)溫系統(tǒng)一般由熱電阻、連接導(dǎo)線和顯示儀表等組成。必須注意以下兩點(diǎn)： </p> <p> ①熱電阻和顯示儀表的分度號(hào)必須一致 </p> <p> ②為了消除連接導(dǎo)線電阻變化的影響，必須采用三線制接法。具體內(nèi)容參見本篇第三章。 </p> <p> (2)鎧裝熱電阻鎧裝熱電阻是由感溫元件(電阻體)、引線、絕緣材料、不銹鋼套管組合而成的堅(jiān)實(shí)體，它的外徑一般為φ1~φ8mm，小可達(dá)φmm。與普通型熱電阻相比，它有下列優(yōu)點(diǎn)： </p> <p> ①體積小，內(nèi)部無(wú)空氣隙，熱慣性上，測(cè)量滯后??； </p> <p> ②機(jī)械性能好、耐振，抗沖擊； </p> <p> ③能彎曲，便于安裝 </p> <p> ④使用壽命長(zhǎng)。 </p> <p> (3)端面熱電阻端面熱電阻感溫元件由特殊處理的電阻絲材繞制，緊貼在溫度計(jì)端面。它與一般軸向熱電阻相比，能更正確和快速地反映被測(cè)端面的實(shí)際溫度，適用于測(cè)量軸瓦和其他機(jī)件的端面溫度。 </p> <p> (4)隔爆型熱電阻隔爆型熱電阻通過(guò)特殊結(jié)構(gòu)的接線盒，自貢熱電阻，自貢熱電阻，把其外殼內(nèi)部性混合氣體因受到火花或電弧等影電阻體的斷路修理必然要改變電阻絲的長(zhǎng)短而影響電阻值，為此更換新的電阻體為好，自貢熱電阻，若采用焊接修理，焊后要校驗(yàn)合格后才能使用。自貢熱電阻</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢熱電阻,熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575868242187/6750741.jpg"></div><p> 防爆熱電阻特點(diǎn) </p> <p> 壓簧式感溫元件，抗振性能好； </p> <p> 測(cè)量度高； </p> <p> 毋須補(bǔ)償導(dǎo)線，節(jié)省費(fèi)用； </p> <p> 進(jìn)口薄膜電阻元件，性能可靠穩(wěn)定。 </p> <p> 防爆熱電阻工作原理 </p> <p> 防爆熱電阻是利用間隙隔爆原理，設(shè)計(jì)具有足夠強(qiáng)度的接線盒等部件，將所有會(huì)產(chǎn)生火花，電弧和危險(xiǎn)溫度的零部件都密封在接線盒腔內(nèi)，當(dāng)腔內(nèi)發(fā)生時(shí)，能通過(guò)接合面間隙熄火和冷卻，使后的火焰和溫度傳不到腔外，從而進(jìn)行隔爆。 </p> <p> 防爆熱電阻主要技術(shù)參數(shù) </p> <p> 產(chǎn)品執(zhí)行標(biāo)準(zhǔn) </p> <p> IEC751 </p> <p> JB/T18622-1997 </p> <p> JB/T8623-1997 </p> <p> JB/T5518-91 </p> <p> 常溫絕緣電阻 </p> <p> 熱電阻在環(huán)境溫度為15—35°C，相對(duì)濕度不大于80%，試驗(yàn)電壓為10—100V（直流）電極與外套管之間的絕緣電阻>100MΩ。自貢熱電阻</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢熱電阻,熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575874042969/6019570.jpg"></div><p> 扁防爆熱電阻防爆熱電阻安裝要求 </p> <p> 對(duì)熱電阻的安裝,應(yīng)注意有利于測(cè)溫安全可考及維修方便,而且不影響設(shè)備運(yùn)行和生產(chǎn)操作.要滿足以上要求,在選擇對(duì)熱電阻的安裝部位和插入深度時(shí)要注意以下幾點(diǎn): </p> <p> 1、為了使熱電阻的測(cè)量端與被測(cè)介質(zhì)之間有充分的熱交換,應(yīng)合理選擇測(cè)點(diǎn)位置,盡量避免在閥門,彎頭及管道和設(shè)備的死角附近裝設(shè)熱電阻. </p> <p> 2、帶有保護(hù)套管的熱電阻有傳熱和散熱損失,為了減少測(cè)量誤差,熱電偶和熱電阻應(yīng)該有足夠的插入深度: </p> <p> (1)對(duì)于測(cè)量管道中心流體溫度的熱電阻,一般都應(yīng)將其測(cè)量端插入到管道中心處(垂直安裝或傾斜安裝).如被測(cè)流體的管道直徑是200毫米,那熱電阻插入深度應(yīng)選擇100毫米; </p> <p> (2)對(duì)于高溫高壓和高速流體的溫度測(cè)量(如主蒸汽溫度),為了減小保護(hù)套對(duì)流體的阻力和防止保護(hù)套在流體作用下發(fā)生斷裂,可采取保護(hù)管淺插方式或采用熱套式熱電阻.淺插式的熱電阻保護(hù)套管,其插入主蒸汽管道的深度應(yīng)不小于75mm;熱套式熱電阻的標(biāo)準(zhǔn)插入深度為100mm; </p> <p> (3)假如需要測(cè)量是煙道內(nèi)煙氣的溫度,盡管煙道直徑為4m,熱電阻插入深度1 m即可. </p> <p> (4)當(dāng)測(cè)量原件插入深度超過(guò)1m時(shí),應(yīng)盡可能垂直安裝,或加裝支撐架和保護(hù)套管. </p><p> WZP-270熱電阻 </p> <p> 型號(hào)：WZP-270 </p> <p> 規(guī)格：￠6*50/100/150/200mm </p> <p> 分度號(hào)：Pt100 </p> <p> 實(shí)際測(cè)量范圍：-20～450 </p> <p> 安裝螺紋：M16*1.5 </p> <p> 精度誤差：正負(fù)0.5%（100度誤差0.5度） </p> <p> 熱電阻，靈敏度高，穩(wěn)定性強(qiáng)，互換性以及性都比較好，但是需要電源激勵(lì)，不能夠瞬時(shí)測(cè)量溫度的變化。工業(yè)用熱電阻一般采用Pt100，Pt10，Cu50，Cu100，鉑熱電阻的測(cè)溫的范圍一般為零下200-800攝氏度，常用于電力、化工、注塑、包裝、食品、孵化器、烤箱上面的測(cè)溫。 </p> <p> 熱電阻與熱電偶區(qū)別： </p> <p> 熱電阻是電阻隨溫度變化的元件，而熱電偶是熱電勢(shì)（電壓）隨溫度變化的元件。一般熱電阻用在低溫，熱電偶用在高溫。 </p> <p> 相對(duì)來(lái)說(shuō)熱電阻精度誤差會(huì)小點(diǎn)，價(jià)格稍微高一點(diǎn)。并且引線可以不用補(bǔ)償導(dǎo)線；而熱電偶必須用熱電偶補(bǔ)償線 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢熱電阻,熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575862636719/2378138.jpg"></div><p> 隔爆熱電阻 </p> <p> 工業(yè)用隔爆鉑電阻是一種溫度傳感器。在工業(yè)自控系統(tǒng)中應(yīng)用極廣，通過(guò)溫度傳感器，可將控制對(duì)象的溫度參數(shù)變成電信號(hào),傳遞給顯示、記錄和調(diào)節(jié)儀表,對(duì)系統(tǒng)實(shí)行檢測(cè)、調(diào)節(jié)和控制。在化工廠、生產(chǎn)現(xiàn)場(chǎng)常伴有各種易燃、易爆等化學(xué)氣體、蒸氣，如果使用普通的鉑電阻非常不安全，極易引起環(huán)境氣體。因此，在這些場(chǎng)合必須使用隔爆熱電偶作溫度傳感器，本廠生產(chǎn)的隔爆鉑電阻產(chǎn)品適用在d ii bt4~d ii ct6 溫度組別區(qū)間內(nèi)具有性氣體危險(xiǎn)的場(chǎng)所內(nèi). 本廠生產(chǎn)的隔爆熱電偶采用引進(jìn)元件作感溫元件，其技術(shù)性能符合 zby301-85工業(yè)鉑電技術(shù) 條件和分度表。同時(shí)產(chǎn)品符合性環(huán)境用防爆電氣設(shè)備通用要求 gb3836.1-83 、 gb3836.2-83 標(biāo)準(zhǔn)。自貢熱電阻</p><p style="text-indent:25px">自貢熱電阻</p><p> 裝配式隔爆鉑熱電阻 </p> <p> 概述 </p> <p> WZ系列工業(yè)用熱電阻作為溫度測(cè)量傳感器,通常與溫度變送器,調(diào)節(jié)器以及顯示儀表等配套使用,組成過(guò)程控制系統(tǒng),用以直接測(cè)量或控制各種生產(chǎn)過(guò)程中-200℃-500℃范圍內(nèi)的液體,蒸汽和氣體介質(zhì)以及固體表面的溫度. </p> <p> 熱電阻是利用物質(zhì)在溫度變化時(shí)本身電阻也隨著發(fā)生變化的特性來(lái)測(cè)量溫度的.當(dāng)被測(cè)介體中有溫度剃度存在時(shí),所測(cè)的溫度是感溫元件所在范圍介質(zhì)中的平均溫度. </p> <p> 盡管各種熱電阻的外形差異很大,但是它們的基本結(jié)構(gòu)卻大致相似,一般有感溫元件,絕緣套管,保護(hù)管,和接線盒等主要部分組成自貢熱電阻</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型公司。公司業(yè)務(wù)涵蓋耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)等，價(jià)格合理，品質(zhì)有保證。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造儀器儀表良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2902162.html</p></div></div></div></div></div><div id="po2kcjg" class="page-right twoColRt"><div id="bl2cov8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rl2c33a" class="recomPic 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