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href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?南充溫度儀表推薦廠家歡迎來電成都皖川科技供應(yīng)</p><div id="38ogyvu" class="leftbox clearfix"><h1>南充溫度儀表推薦廠家歡迎來電成都皖川科技供應(yīng)</h1><div id="u3jgd8m" class="proBig"><div id="7lkgnpj" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025703125/9254906.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fzgyv33" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025703125/9254906.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hq2ts3m" 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>南充溫度儀表推薦廠家,溫度儀表</p><p><span>***更新：</span>2020-08-31 09:06:41</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="h3hebi3" 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)青羊萬達(dá)廣場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="m2wd7zb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ncelnut" class="box"><p><p style="text-indent:25px">利用溫差電偶來測量溫度的溫度計。將兩種不同金屬導(dǎo)體的兩端分別連接起來，構(gòu)成一個閉合回路，一端加熱，另一端冷卻，則兩個接觸點(diǎn)之間由于溫度不同，將產(chǎn)生電動勢，南充溫度儀表推薦廠家，南充溫度儀表推薦廠家，導(dǎo)體中會有電流發(fā)生。因為這種溫差電動勢是兩個接觸點(diǎn)溫度差的函數(shù)，所以利用這一特性制成溫度計。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，南充溫度儀表推薦廠家，對原電動勢并無影響，通過測量溫差電動勢來求被測的溫度，這樣就構(gòu)成了溫差電偶溫度計。這種溫度計測溫范圍很大。例如，銅和康銅構(gòu)成的溫差電偶的測溫范圍在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℃。南充溫度儀表推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充溫度儀表推薦廠家,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)律來測量溫度的溫度儀表。**常用的電阻溫度計都采用金屬絲繞制成的感溫元件，主要有鉑電阻溫度計和銅電阻溫度計，在低溫下還有碳、鍺和銠鐵電阻溫度計。精密的鉑電阻溫度計是目前**精確的溫度計，溫度覆蓋范圍約為14～903K，其誤差可低到萬分之一攝氏度，它是能復(fù)現(xiàn)國際實(shí)用溫標(biāo)的基準(zhǔn)溫度計。我國還用一等和二等標(biāo)準(zhǔn)鉑電阻溫度計來傳遞溫標(biāo)，用它作標(biāo)準(zhǔn)來檢定**溫度計和其他類型的溫度計。分為金屬電阻溫度計和半導(dǎo)體電阻溫度計，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)體溫度計主要用碳、鍺等。電阻溫度計使用方便可靠，已大范圍應(yīng)用。它的測量范圍為-260℃至600℃左右。南充溫度儀表推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充溫度儀表推薦廠家,溫度儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265029736328/6657115.jpg"></div><p style="text-indent:25px">根據(jù)物體的全波長輻射能與溫度之間的關(guān)系來測量溫度，由光學(xué)系統(tǒng)、探測器、測量儀表和用于冷卻及煙塵防護(hù)的輔助裝置組成。被測物體向傳感器方向發(fā)射的輻射經(jīng)過透鏡聚焦到探測元件上，所產(chǎn)生的相應(yīng)信號可由測量儀表顯示或記錄。探測器通常采用響應(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，時間常數(shù)一般為秒級以上。此外熱電堆的基準(zhǔn)端溫度應(yīng)保持恒定或采取自動溫度補(bǔ)償措施。光學(xué)系統(tǒng)和探測元件對光譜輻射的響應(yīng)有選擇性，不可能完全接收全波長的輻射，因此這種輻射溫度計也可稱為寬帶輻射溫度計。全輻射高溫計的優(yōu)點(diǎn)是結(jié)構(gòu)簡單、使用方便、性能穩(wěn)定、可以自動記錄和遠(yuǎn)距離傳送信號等。測溫范圍為100～2000℃,測溫誤差***值為8～12℃。</p><p style="text-indent:25px">輻射高溫計，根據(jù)物體的輻射能與溫度之間的關(guān)系來測量溫度的儀表。所有的物體當(dāng)其溫度高于***零度時都發(fā)射出輻射能量，其輻射能量的波長范圍約為0.01～100微米,對應(yīng)比較大能量的峰值波長隨物體溫度的增長而減小。探測元件從被測對象接收到的能量W可用斯特藩-波耳茲曼方程確定。通過測量能量W 就可確定物體的溫度0T。由于實(shí)際物體的真實(shí)溫度大于輻射溫度，而許多工業(yè)生產(chǎn)過程溫度測量中的發(fā)射率相對保持恒定，可采用修正方法改善被測對象的黑體輻射條件或測定發(fā)射率ε來求出真實(shí)溫度。輻射高溫計分為全輻射高溫計和部分輻射高溫計</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南充溫度儀表推薦廠家,溫度儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025732422/1754567.jpg"></div><p style="text-indent:25px">液體溫度計：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測量溫度。溫度計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。玻璃液體溫度計的結(jié)構(gòu)基本上是由裝有感溫液（或稱測溫介質(zhì)）的感溫泡、玻璃毛細(xì)管和刻度標(biāo)尺三部分組成。感溫泡位于溫度計的下端，是玻璃液體溫度計感溫的部分，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感溫泡內(nèi)的測溫介質(zhì)．具有體膨脹系數(shù)大，粘度?。诟邷叵抡魵鈮旱?，化學(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。標(biāo)尺是將分度線直接刻在毛細(xì)管表面，同時標(biāo)尺上標(biāo)有數(shù)字和溫度單位符號，用來表明所測溫度的高低。雅安溫度儀表哪家好</p><p style="text-indent:25px">南充溫度儀表推薦廠家</p><p style="text-indent:25px">儀器儀表行業(yè)飛快發(fā)展一是因為國度的經(jīng)濟(jì)高速穩(wěn)定發(fā)展的運(yùn)行;按照過去的經(jīng)驗，如果GDP的增長在10%以上時，儀表行業(yè)的增長率則在26%～30%之間。二是因為國度宏觀調(diào)控對儀表行業(yè)的影響有一個滯后期，儀表往往在工程的后期才交付使用，因此，因宏觀調(diào)控政策而減少的加入對儀表行業(yè)的影響不會太大。我國現(xiàn)有有限責(zé)任公司（自然）企業(yè)數(shù)千多家，已經(jīng)形成門類品種比較齊全，具有一定技術(shù)基礎(chǔ)和生產(chǎn)規(guī)模的產(chǎn)業(yè)體系。但同時業(yè)內(nèi)行家也指出，雖然我國測試儀器產(chǎn)業(yè)有了一定的發(fā)展，但遠(yuǎn)遠(yuǎn)不能滿足國民經(jīng)濟(jì)各行各業(yè)日益增長的迫切需求。工業(yè)領(lǐng)域轉(zhuǎn)型升級、提升發(fā)展質(zhì)量等有利于儀器儀表行業(yè)的發(fā)展；**安全、社會安全、產(chǎn)業(yè)和信息安全等需要自主、耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計裝備，成為全社會共識；我們必須承認(rèn)，在**科學(xué)儀器上，我們跟先進(jìn)國度比，還有很大的差距。這個差距，就是我們提升的空間。合政商、大學(xué)和企業(yè)之力，中國的貿(mào)易型必將在不遠(yuǎn)的將來，在相關(guān)領(lǐng)域的基礎(chǔ)研究和重點(diǎn)光學(xué)部件研發(fā)上取得突破，產(chǎn)品進(jìn)入世界中**水平，企業(yè)得到臺階式上升，迎頭趕上，與全球出名企業(yè)并駕齊驅(qū)。南充溫度儀表推薦廠家</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自2011-12-30成立以來，投身于耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計，是儀器儀表的主力軍。成都皖川科技不斷開拓創(chuàng)新，追求***，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為**，以服務(wù)為保障，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。成都皖川科技始終關(guān)注自身，在風(fēng)云變化的時代，我們對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1104258.html</p></div></div></div></div></div><div id="qfxubyp" class="page-right twoColRt"><div id="ncuro7k" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="po2fmtv" 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="rgy3tsj" class="recomPic 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