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class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575874951172/466828.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="83zrt2l" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575874951172/466828.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dsph7lf" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>自貢熱電阻哪家專業(yè),熱電阻</p><p><span>***更新：</span>2021-01-15 06:04:28</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="f87y3hc" 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: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cwtlxe8" class="page-proshow02"><p class="title">詳細說明</p><div id="bkcumol" class="box"><p><p> 防爆熱電阻特點 </p> <p> 壓簧式感溫元件，抗振性能好； </p> <p> 測量度高； </p> <p> 毋須補償導(dǎo)線，節(jié)省費用； </p> <p> 進口薄膜電阻元件，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)計具有足夠強度的接線盒等部件，將所有會產(chǎn)生火花，電弧和危險溫度的零部件都密封在接線盒腔內(nèi)，當腔內(nèi)發(fā)生時，自貢熱電阻哪家專業(yè)，自貢熱電阻哪家專業(yè)，自貢熱電阻哪家專業(yè)，能通過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)行標準 </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，相對濕度不大于80%，試驗電壓為10—100V（直流）電極與外套管之間的絕緣電阻>100MΩ。自貢熱電阻哪家專業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢熱電阻哪家專業(yè),熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575874951172/466828.jpg"></div><p> 雙支鎧裝熱電阻 </p> <p> 一、熱電阻 </p> <p> 1、壓簧式感溫元件，抗振性能好； </p> <p> 2、測溫精度高； </p> <p> 3、機械強度高，耐高溫耐壓性能好； </p> <p> 4、進口薄膜電阻元件，性能可靠穩(wěn)定。 </p> <p> 二、工作原理 </p> <p> 熱電阻的測溫原理是基于導(dǎo)體或半導(dǎo)體的電阻值隨溫度變化而變化這一特性來測量溫度及與溫度有關(guān)的參數(shù)。熱電阻大都由純金屬材料制成，目前應(yīng)用多的是鉑和銅，現(xiàn)在已開始采用鎳、錳和銠等材料制造熱電阻。熱電阻通常需要把電阻信號通過引線傳遞到計算機控制裝置或者其它二次儀表上。 </p> <p> 三、主要種類 </p> <p> 普通型熱電阻 </p> <p> 從熱電阻的測溫原理可知，被測溫度的變化是直接通過熱電阻阻值的變化來測量的，因此，熱電阻體的引出線等各種導(dǎo)線電阻的變化會給溫度測量帶來影響。 </p> <p> 鎧裝熱電阻自貢熱電阻哪家專業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢熱電阻哪家專業(yè),熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575869697266/1654866.jpg"></div><p> 防爆熱電阻 </p> <p> 概述 </p> <p> 工業(yè)用隔爆熱電阻作為溫度測量和控制的傳感器與顯示儀表配套，以直接測量和控制生產(chǎn)過程中的氣體、液體和蒸汽的溫度。 </p> <p> 我廠生產(chǎn)的化工**隔爆熱電偶、熱電阻產(chǎn)品防爆性能按國家頒布的“性環(huán)境用防爆電器設(shè)備”標準設(shè)計制造，熱電特性符合國際IEC標準，并經(jīng)國家儀器儀表防爆安全監(jiān)督站測試合格. </p> <p> 隔爆熱電偶，熱電阻的結(jié)構(gòu)、原理與裝配方式基本相同，主要區(qū)別是隔爆產(chǎn)品接線盒（外殼）在設(shè)計上采用**度鋁合金壓鑄而成，并具有足夠的內(nèi)部空間，壁厚和機械強度，橡膠密封圈的熱穩(wěn)定性均符合國家防爆標準。所以當接線盒內(nèi)部的性混合氣體發(fā)生時，其內(nèi)壓不會破壞接線盒，而由此產(chǎn)生的熱能不能向外擴散--傳爆.只要用戶嚴格遵守產(chǎn)品使用規(guī)則,產(chǎn)品就能達到可靠的防爆效果。 </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,組成過程控制系統(tǒng),用以直接測量或控制各種生產(chǎn)過程中-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)在溫度變化時本身電阻也隨著發(fā)生變化的特性來測量溫度的.當被測介體中有溫度剃度存在時,所測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,保護管,和接線盒等主要部分組成 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢熱電阻哪家專業(yè),熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575868242187/6750741.jpg"></div><p> 防腐熱電阻 </p> <p> 1、應(yīng)用 </p> <p> 采用新型防腐材料，外包覆聚四氟乙烯F46，適合于石油化工各種腐蝕性介質(zhì)中測溫。是氯堿行業(yè)的**測溫儀表。 </p> <p> 2、主要技術(shù)參數(shù) </p> <p> 電氣出口：M20x1.5，NPTI1/2 </p> <p> 熱響應(yīng)時間：≤8S </p> <p> 防護等級：IP65 </p> <p> 隔爆等級：d‖BT4.d‖CT5 </p> <p> 爐頂熱電偶/熱電阻 </p> <p> 1、應(yīng)用 </p> <p> 適用于電廠鍋爐爐頂及其它須遠距離、高壓測溫場合。 </p> <p> 2、主要技術(shù)參數(shù) </p> <p> 電氣出口：M16x1.5 </p> <p> 連接尺寸：M16x1.5 </p> <p> 防護等級：IP65 </p> <p> 抗震耐磨裝配式熱電阻 </p> <p> 1、應(yīng) 用 </p> <p> 通常和顯示儀表、記錄儀表、電子計算機等配套使用。直接測量各種生產(chǎn)過程中的0°C~1300°C范圍內(nèi)液體，蒸汽和氣體介質(zhì)以及固體表面溫度。 </p> <p> 2、特點 </p> <p> ·熱響應(yīng)時間少，減小動態(tài)誤差； </p> <p> ·可彎曲安裝使用； </p> <p> ·測量范圍大； </p> <p> ·機械強度高，耐壓性能好； </p> <p> 3、工作原理 </p> <p> 鎧裝熱電偶的電極由兩根不同導(dǎo)體材質(zhì)組成。當測量端與參比端存在溫差時，就會產(chǎn)生熱電勢，工作儀表便顯示出熱電勢所對應(yīng)的溫度值。自貢熱電阻哪家專業(yè)</p><p style="text-indent:25px">自貢熱電阻哪家專業(yè)</p><p> 一體化防爆熱電阻 </p> <p> 輸出方法：二線制 </p> <p> 精度等級： </p> <p> 溫度變送器精度等級：0.1 0.2 0.5 </p> <p> 顯示器精度等級：模擬指示式2.5級;數(shù)字顯示式0.5級. </p> <p> 供電電源：24V.DC±10℅ </p> <p> 防護等級：IP65 </p> <p> 防爆等級： </p> <p> 隔爆型：dⅡBT4 dⅡCT5 dⅡCT6 </p> <p> 本質(zhì)安全型：iaⅡCT6 </p> <p> 絕緣電阻：儀表輸出接線端子與外殼之間的絕緣電阻應(yīng)不小于50. </p> <p> 熱響應(yīng)時間： </p> <p> 當溫度出現(xiàn)階躍變化時，儀表的電流輸出信號變化至相當于該階躍變化的50%所需的時間，通常以t0.5表示當溫度變送器的階躍響應(yīng)穩(wěn)定時間不超過熱電偶(阻)熱響應(yīng)穩(wěn)定時間t0.5的五分之一時，則用熱電偶(阻)熱響應(yīng)時間作為儀表的熱響應(yīng)時間；當溫度變送器的階躍熱響應(yīng)穩(wěn)定時間不超過熱電偶(阻)熱響應(yīng)穩(wěn)定時間t0.5的二分之一時，則用溫度變送器熱響應(yīng)時間作為儀表的熱響應(yīng)時間； </p> <p> 基本誤差： </p> <p> 儀表的基本誤差應(yīng)不超過熱電偶(阻)和溫度變送器基本誤差的合成誤差。自貢熱電阻哪家專業(yè)</p><p style="text-indent:25px">成都皖川科技有限公司屬于儀器儀表的高新企業(yè)，技術(shù)力量雄厚。公司是一家有限責(zé)任公司（自然）企業(yè)，以誠信務(wù)實的創(chuàng)業(yè)精神、專業(yè)的管理團隊、踏實的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司擁有專業(yè)的技術(shù)團隊，具有耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計等多項業(yè)務(wù)。成都皖川科技將以真誠的服務(wù)、創(chuàng)新的理念、***的產(chǎn)品，為彼此贏得全新的未來！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2853532.html</p></div></div></div></div></div><div id="f39a4pm" class="page-right twoColRt"><div id="ispwtah" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kdfcz3q" class="recomPic 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