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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="nvxdkwx" class="twoCol"><div id="u374ffw" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gydqew/">高壓電器</a>?<a href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?攀枝花溫度儀表批發(fā) **** 成都皖川科技供應(yīng)</p><div id="xyp3zvc" class="leftbox clearfix"><h1>攀枝花溫度儀表批發(fā) **** 成都皖川科技供應(yīng)</h1><div id="nw8isye" class="proBig"><div id="i3dbsoe" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025732422/1754567.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bpwqmde" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025732422/1754567.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hp38b2q" 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>攀枝花溫度儀表批發(fā)</p><p><span>***更新：</span>2020-06-21 18:20:59</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="vj3bsjl" 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="s7aw3rq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="o3c2zyz" 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，則兩個接觸點之間由于溫度不同，將產(chǎn)生電動勢，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)線與接觸點的溫度都是均勻的，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，攀枝花溫度儀表批發(fā)，這樣就構(gòu)成了溫差電偶溫度計，攀枝花溫度儀表批發(fā)，攀枝花溫度儀表批發(fā)。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℃。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="攀枝花溫度儀表批發(fā)" 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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="攀枝花溫度儀表批發(fā)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044265025703125/9254906.jpg"></div><p style="text-indent:25px">雙金屬溫度計：雙金屬溫度計是一種測量中低溫度的現(xiàn)場檢測儀表?？梢灾苯訙y量各種生產(chǎn)過程中的-80℃~+500℃范圍內(nèi)液體蒸汽和氣體介質(zhì)溫度。雙金屬溫度計的工作原理是利用二種不同溫度膨脹系數(shù)的金屬，為提高測溫靈敏度，通常將金屬片制成螺旋卷形狀，當(dāng)多層金屬片的溫度改變時，各層金屬膨脹或收縮量不等，使得螺旋卷卷起或松開。由于螺旋卷的一端固定而另一端和一可以自由轉(zhuǎn)動的指針相連，因此，當(dāng)雙金屬片感受到溫度變化時，指針即可在一圓形分度標(biāo)尺上指示出溫度來。</p></p><br 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