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class="home-main container clearfix"><div id="3k0exhw" class="twoCol"><div id="3s85ae8" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_drsb/">電熱設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-drsb_redianou/">熱電偶</a>?福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo) 鄒平奧翔硅碳供應(yīng)</p><div id="f5air3t" class="leftbox clearfix"><h1>福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo) 鄒平奧翔硅碳供應(yīng)</h1><div id="3i3vz6t" class="proBig"><div id="cf3bjab" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543115234/5363422.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gdauctm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543115234/5363422.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xtb5rp3" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)</p><p><span>***更新：</span>2020-05-25 02:25:56</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="b335naj" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">鄒平縣奧翔硅碳制品有限公司</a></p><p><span>聯(lián)系人：</span>張洪恩</p><p><span>郵箱: </span>13884861614@163.com</p><p><span>電話: </span>13884861614</p><p><span>傳真: </span>0543_4534117</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0543-4533667</p><p><span>地址: </span>山東省鄒平市臨池鎮(zhèn)望京村</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="033trw3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gur0jc8" class="box"><p><p> 非金屬：多在1000℃以上溫度測(cè)量時(shí)采用，福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)，耐熱性能好，震性差，導(dǎo)熱性差。金屬陶瓷：由于金屬材料機(jī)械強(qiáng)度高，但不耐高溫；非金屬材料耐高溫，但機(jī)械強(qiáng)度低。用粉末冶金的方法制成金屬陶瓷保護(hù)管，即有耐高溫的性能又有較好的機(jī)械強(qiáng)度，有很好的應(yīng)用前景，可普遍地用于鋼水，鐵水及高溫鹽浴爐等惡劣的環(huán)境。熱電偶保護(hù)管按其材質(zhì)可分為三種：金屬：機(jī)械強(qiáng)度高，導(dǎo)熱性能好，應(yīng)用非常普遍。非金屬：多在1000℃以上溫度測(cè)量時(shí)采用，耐熱性能好，震性差，導(dǎo)熱性差。金屬陶瓷：由于金屬材料機(jī)械強(qiáng)度高，但不耐高溫；非金屬材料耐高溫，但機(jī)械強(qiáng)度低。用粉末冶金的方法制成金屬陶瓷保護(hù)管，即有耐高溫的性能又有較好的機(jī)械強(qiáng)度，有很好的應(yīng)用前景，可普遍地用于鋼水，鐵水及高溫鹽浴爐等惡劣的環(huán)境熱電偶保護(hù)管是由兩種不同成分的導(dǎo)體兩端接合成回路時(shí),當(dāng)兩接合點(diǎn)溫度不同時(shí)，就會(huì)在回路內(nèi)產(chǎn)生熱電流，福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)。如果熱電偶的工作端與參比端存在有溫差時(shí)，福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)，顯示儀表將會(huì)批示出熱電偶產(chǎn)生的熱電勢(shì)所對(duì)應(yīng)的溫度值。熱電偶保護(hù)管的熱電動(dòng)熱將隨著測(cè)量端溫度升高而增長(zhǎng)，它的大小只與熱電偶材料和兩端的溫度有關(guān)、與熱電極的長(zhǎng)度、直徑無(wú)關(guān)。各種熱電偶保護(hù)管的外形常因需要而極不相同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543115234/5363422.jpg"></div><p> 熱電偶的結(jié)構(gòu)形式為了保證熱電偶可靠、穩(wěn)定地工作，對(duì)它的結(jié)構(gòu)要求如下：1、組成熱電偶的兩個(gè)熱電極的焊接必須牢固；2、兩個(gè)熱電極彼此之間應(yīng)很好地絕緣，以防短路；3、補(bǔ)償導(dǎo)線與熱電偶自由端的連接要方便可靠；4、保護(hù)套管應(yīng)能保證熱電極與有害介質(zhì)充分隔離。兩種不同成份的導(dǎo)體（稱(chēng)為熱電偶絲材或熱電極）兩端接合成回路，當(dāng)兩個(gè)接合點(diǎn)的溫度不同時(shí)，在回路中就會(huì)產(chǎn)生電動(dòng)勢(shì)，這種現(xiàn)象稱(chēng)為熱電效應(yīng)，而這種電動(dòng)勢(shì)稱(chēng)為熱電勢(shì)。熱電偶就是利用這種原理進(jìn)行溫度測(cè)量的，其中，直接用作測(cè)量介質(zhì)溫度的一端叫做工作端（也稱(chēng)為測(cè)量端），另一端叫做冷端（也稱(chēng)為補(bǔ)償端）；冷端與顯示儀表或配套儀表連接，顯示儀表會(huì)指出熱電偶所產(chǎn)生的熱電勢(shì)。熱電偶實(shí)際上是一種能量轉(zhuǎn)換器，它將熱能轉(zhuǎn)換為電能，用所產(chǎn)生的熱電勢(shì)測(cè)量溫度，對(duì)于熱電偶的熱電勢(shì)，應(yīng)注意如下幾個(gè)問(wèn)題：1、熱電偶的熱電勢(shì)是熱電偶工作端的兩端溫度函數(shù)的差，而不是熱電偶冷端與工作端，兩端溫度差的函數(shù)；2、熱電偶所產(chǎn)生的熱電勢(shì)的大小，當(dāng)熱電偶的材料是均勻時(shí)，與熱電偶的長(zhǎng)度和直徑無(wú)關(guān)，只與熱電偶材料的成份和兩端的溫差有關(guān)；3、當(dāng)熱電偶的兩個(gè)熱電偶絲材料成份確定后，熱電偶熱電勢(shì)的大小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543808594/2845025.jpg"></div><p style="text-indent:25px">熱電偶是工業(yè)上**常用的溫度檢測(cè)元件之一。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，某些特殊熱電偶比較低可測(cè)到-269℃（如金鐵鎳鉻），比較高可達(dá)+2800℃（如鎢-錸）。 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，外有保護(hù)套管，用起來(lái)非常方便。 1．熱電偶測(cè)溫基本原理將兩種不同材料的導(dǎo)體或半導(dǎo)體A和B焊接起來(lái)，構(gòu)成一個(gè)閉合回路。當(dāng)導(dǎo)體A和B的兩個(gè)執(zhí)著點(diǎn)1和2之間存在溫差時(shí)，兩者之間便產(chǎn)生電動(dòng)勢(shì),因而在回路中形成一個(gè)大小的電流,這種現(xiàn)象稱(chēng)為熱電效應(yīng)。熱{TodayHot}電偶就是利用這一效應(yīng)來(lái)工作的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建鋁行業(yè)熱電偶保護(hù)管廠價(jià)直銷(xiāo)" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/30525.html</p></div></div></div></div></div><div id="036w5le" class="page-right twoColRt"><div id="fi3kq5d" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jq8tfhe" 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="xwfnapj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢(xún)供應(yīng)" class="vcenter" 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