廣安溫度儀表抱誠(chéng)守真成都皖川科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="利用溫差電偶來(lái)測(cè)量溫度的溫度計(jì)。將兩種不同金屬導(dǎo)體的兩端分別連接起來(lái)，構(gòu)成一個(gè)閉合回路，一端加熱，另一端冷卻，則兩個(gè)接觸點(diǎn)之間由于溫度不同，將產(chǎn)生電動(dòng)勢(shì)，導(dǎo)體中會(huì)有電流發(fā)生。因?yàn)檫@種溫差電動(dòng)勢(shì)是兩個(gè)接觸點(diǎn)溫度差的函數(shù)，廣安溫度儀表，所以利用"><meta name="keywords" content="廣安溫度儀表,溫度儀表"><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" 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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>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>廣安溫度儀表,溫度儀表</p><p><span>***更新：</span>2020-10-25 08:09:34</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="lz8j7pr" 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="qzb2g7a" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pyvuqso" class="box"><p><p style="text-indent:25px">利用溫差電偶來(lái)測(cè)量溫度的溫度計(jì)。將兩種不同金屬導(dǎo)體的兩端分別連接起來(lái)，構(gòu)成一個(gè)閉合回路，一端加熱，另一端冷卻，則兩個(gè)接觸點(diǎn)之間由于溫度不同，將產(chǎn)生電動(dòng)勢(shì)，導(dǎo)體中會(huì)有電流發(fā)生。因?yàn)檫@種溫差電動(dòng)勢(shì)是兩個(gè)接觸點(diǎn)溫度差的函數(shù)，廣安溫度儀表，所以利用這一特性制成溫度計(jì)。若在溫差電偶的回路里再接入一種或幾種不同金屬的導(dǎo)線，所接入的導(dǎo)線與接觸點(diǎn)的溫度都是均勻的，對(duì)原電動(dòng)勢(shì)并無(wú)影響，廣安溫度儀表，廣安溫度儀表，通過(guò)測(cè)量溫差電動(dòng)勢(shì)來(lái)求被測(cè)的溫度，這樣就構(gòu)成了溫差電偶溫度計(jì)。這種溫度計(jì)測(cè)溫范圍很大。例如，銅和康銅構(gòu)成的溫差電偶的測(cè)溫范圍在200～400℃之間；鐵和康銅則被使用在200～1000℃之間；由鉑和鉑銠合金（銠10%）構(gòu)成的溫差電偶測(cè)溫可達(dá)千攝氏度以上；銥和銥銠（銠50%）可用在2300℃；若用鎢和鉬（鉬25%）則可高達(dá)2600℃。廣安溫度儀表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣安溫度儀表,溫度儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025703125/9254906.jpg"></div><p style="text-indent:25px">根據(jù)導(dǎo)體電阻隨溫度而變化的規(guī)律來(lái)測(cè)量溫度的溫度儀表。**常用的電阻溫度計(jì)都采用金屬絲繞制成的感溫元件，主要有鉑電阻溫度計(jì)和銅電阻溫度計(jì)，在低溫下還有碳、鍺和銠鐵電阻溫度計(jì)。精密的鉑電阻溫度計(jì)是目前**精確的溫度計(jì)，溫度覆蓋范圍約為14～903K，其誤差可低到萬(wàn)分之一攝氏度，它是能復(fù)現(xiàn)國(guó)際實(shí)用溫標(biāo)的基準(zhǔn)溫度計(jì)。我國(guó)還用一等和二等標(biāo)準(zhǔn)鉑電阻溫度計(jì)來(lái)傳遞溫標(biāo)，用它作標(biāo)準(zhǔn)來(lái)檢定**溫度計(jì)和其他類(lèi)型的溫度計(jì)。分為金屬電阻溫度計(jì)和半導(dǎo)體電阻溫度計(jì)，都是根據(jù)電阻值隨溫度的變化這一特性制成的。金屬溫度計(jì)主要有用鉑、金、銅、鎳等純金屬的及銠鐵、磷青銅合金的；半導(dǎo)體溫度計(jì)主要用碳、鍺等。電阻溫度計(jì)使用方便可靠，已大范圍應(yīng)用。它的測(cè)量范圍為-260℃至600℃左右。成都溫度儀表銷(xiāo)售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣安溫度儀表,溫度儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025732422/1754567.jpg"></div><p style="text-indent:25px">根據(jù)物體的全波長(zhǎng)輻射能與溫度之間的關(guān)系來(lái)測(cè)量溫度，由光學(xué)系統(tǒng)、探測(cè)器、測(cè)量?jī)x表和用于冷卻及煙塵防護(hù)的輔助裝置組成。被測(cè)物體向傳感器方向發(fā)射的輻射經(jīng)過(guò)透鏡聚焦到探測(cè)元件上，所產(chǎn)生的相應(yīng)信號(hào)可由測(cè)量?jī)x表顯示或記錄。探測(cè)器通常采用響應(yīng)波段較寬的熱電堆。為提高靈敏度，熱電堆往往需要由十幾支、幾十支的溫差電偶串聯(lián)組成，因而熱慣性較大，時(shí)間常數(shù)一般為秒級(jí)以上。此外熱電堆的基準(zhǔn)端溫度應(yīng)保持恒定或采取自動(dòng)溫度補(bǔ)償措施。光學(xué)系統(tǒng)和探測(cè)元件對(duì)光譜輻射的響應(yīng)有選擇性，不可能完全接收全波長(zhǎng)的輻射，因此這種輻射溫度計(jì)也可稱為寬帶輻射溫度計(jì)。全輻射高溫計(jì)的優(yōu)點(diǎn)是結(jié)構(gòu)簡(jiǎn)單、使用方便、性能穩(wěn)定、可以自動(dòng)記錄和遠(yuǎn)距離傳送信號(hào)等。測(cè)溫范圍為100～2000℃,測(cè)溫誤差***值為8～12℃。</p><p style="text-indent:25px">液體溫度計(jì)：利用作為介質(zhì)的感溫液體隨溫度變化而體積發(fā)生變化與玻璃隨溫度變化而體積變化之差來(lái)測(cè)量溫度。溫度計(jì)所顯示的示值即液體體積與玻璃毛細(xì)管體積變化的差值。玻璃液體溫度計(jì)的結(jié)構(gòu)基本上是由裝有感溫液（或稱測(cè)溫介質(zhì)）的感溫泡、玻璃毛細(xì)管和刻度標(biāo)尺三部分組成。感溫泡位于溫度計(jì)的下端，是玻璃液體溫度計(jì)感溫的部分，可容納絕大部分的感溫液，所以也稱為貯液泡。感溫泡或直接由玻璃毛細(xì)管加工制成（稱拉泡）或由焊接一段薄壁玻璃管制成（稱接泡）。感溫液是封裝在溫度計(jì)感溫泡內(nèi)的測(cè)溫介質(zhì)．具有體膨脹系數(shù)大，粘度?。诟邷叵抡魵鈮旱停瘜W(xué)性能穩(wěn)定，不變質(zhì)以及在較寬的溫度范圍內(nèi)能保持液態(tài)等待點(diǎn)。常用的有**．以及甲苯、乙醇和煤油等有機(jī)液體。玻璃毛細(xì)管是連接在感溫泡上的中心細(xì)玻璃管，感溫液體隨溫度的變化在里面移動(dòng)。標(biāo)尺是將分度線直接刻在毛細(xì)管表面，同時(shí)標(biāo)尺上標(biāo)有數(shù)字和溫度單位符號(hào)，用來(lái)表明所測(cè)溫度的高低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣安溫度儀表,溫度儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265029736328/6657115.jpg"></div><p style="text-indent:25px">利用被測(cè)物體的部分波段輻射能與溫度之間的關(guān)系來(lái)測(cè)量物體溫度，又稱窄帶輻射溫度計(jì)。部分輻射高溫計(jì)由某一較窄響應(yīng)波段的光學(xué)系統(tǒng)和探測(cè)元件組成。被測(cè)物體的部分熱輻射經(jīng)調(diào)制盤(pán)和濾**后照到探測(cè)元件上,再經(jīng)放大由儀表顯示或記錄。探測(cè)元件通常采用光導(dǎo)型或光生伏打型，它們決定傳感器的響應(yīng)波段。例如，采用硫化鉛時(shí)響應(yīng)波長(zhǎng)范圍約為0.6～3.0微米，時(shí)間常數(shù)為毫秒量級(jí)。如采用硅光電池，則響應(yīng)波段約為0.4～1.1微米，時(shí)間常數(shù)可至微秒量級(jí)。采用紅外輻射探測(cè)技術(shù)還可使輻射測(cè)溫范圍向低溫?cái)U(kuò)展。部分輻射高溫計(jì)有多種形式，如遠(yuǎn)程紅外測(cè)溫儀、紅外線光源探測(cè)儀、紅外線亮度測(cè)溫儀、光電溫度計(jì)等。這類(lèi)傳感器的優(yōu)點(diǎn)是響應(yīng)速度快，測(cè)量精度高，穩(wěn)定性好，測(cè)量下限低，可測(cè)量微小目標(biāo)，而且比較窄的敏感譜帶可以減少或消除在瞄準(zhǔn)光路中由于氣體的吸收和發(fā)射率所造成的不良影響。部分輻射高溫計(jì)常用于測(cè)量靜止或運(yùn)動(dòng)的灼熱體表面溫度，如測(cè)量生產(chǎn)中的鋼板、鍍錫鐵皮、快速加工件、電機(jī)或電纜接頭溫度等。一般測(cè)溫范圍為 100～1500℃，采用紅外探測(cè)元件時(shí)可擴(kuò)展至常溫范圍。成都溫度儀表銷(xiāo)售</p><p style="text-indent:25px">廣安溫度儀表</p><p style="text-indent:25px">儀器儀表行業(yè)本身是一個(gè)加入，產(chǎn)出周期較長(zhǎng)的行業(yè)，所以作為業(yè)內(nèi)廠家，一方面要尋找中、短期市場(chǎng)熱點(diǎn)，另一方面也要在產(chǎn)品、技術(shù)研發(fā)方面有長(zhǎng)遠(yuǎn)的規(guī)劃;目前，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)等產(chǎn)品的產(chǎn)量居世界前列，實(shí)驗(yàn)分析儀器等中產(chǎn)品的市場(chǎng)占比不斷上升，行業(yè)技術(shù)上總體已達(dá)到的中等國(guó)際水平，少數(shù)產(chǎn)品接近或達(dá)到當(dāng)前較高國(guó)際水平。在國(guó)民經(jīng)濟(jì)運(yùn)行中，研發(fā)、銷(xiāo)售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷(xiāo)售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門(mén)、水泵、電線電纜、通訊器材(不含無(wú)線廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類(lèi))、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。等設(shè)備是提高勞動(dòng)生產(chǎn)率的倍增器，對(duì)國(guó)民經(jīng)濟(jì)有著巨大的作用和影響力。美國(guó)商業(yè)部地區(qū)技術(shù)和標(biāo)準(zhǔn)研究院（NIST）提出的報(bào)告稱：美國(guó)90年代儀器儀表工業(yè)產(chǎn)值只占工業(yè)總產(chǎn)值的4%，但它對(duì)國(guó)民經(jīng)濟(jì)（GNP）的影響面卻達(dá)到66%。從銷(xiāo)售廣義角度來(lái)說(shuō)，儀器儀表也可具有自動(dòng)操控、報(bào)警、信號(hào)傳遞和數(shù)據(jù)處理等功能，例如用于工業(yè)生產(chǎn)過(guò)程自動(dòng)操控中的氣動(dòng)調(diào)節(jié)儀表，和電動(dòng)調(diào)節(jié)儀表，以及集散型儀表操控系統(tǒng)也皆屬于儀器儀表。廣安溫度儀表</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)分為耐磨熱電偶，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，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。成都皖川科技憑借創(chuàng)新的產(chǎn)品、專(zhuān)業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1701268.html</p></div></div></div></div></div><div id="bpw2s9j" class="page-right twoColRt"><div id="3nuye37" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="y89444n" 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) 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