氧化膜電阻生產(chǎn) 上海卓蕊科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="溫度檢測已經(jīng)廣為應(yīng)用于我們的生活與工業(yè)現(xiàn)場中，測溫電路的精確性愈發(fā)重要，該如何提升測溫電路的準(zhǔn)確性？專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司以熱電阻測溫方案為例，從熱電阻的選型參數(shù)出發(fā)，氧化膜電阻生產(chǎn)，為大家簡單闡述提升測溫準(zhǔn)"><meta name="keywords" content="氧化膜電阻生產(chǎn),鉑電阻"><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" content="OBVzrC9aaQ" /> <meta 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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="cpbmoab" class="twoCol"><div id="iw3o7zf" 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-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/second-dzyqj_chuanganqisr/">傳感器</a>?<a href="http://www.cdcfah.com/cp/third-chuanganqisr_wdcgq/">溫度傳感器</a>?氧化膜電阻生產(chǎn) 上海卓蕊科技供應(yīng)</p><div id="gzhdev3" class="leftbox clearfix"><h1>氧化膜電阻生產(chǎn) 上海卓蕊科技供應(yīng)</h1><div id="dvwnuwp" class="proBig"><div id="3ctugxd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shtang/637316332921679687/7965426.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bykvh37" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shtang/637316332921679687/7965426.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dkqr3lc" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>氧化膜電阻生產(chǎn),鉑電阻</p><p><span>***更新：</span>2020-08-04 23:25:32</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2hteate" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海卓蕊科技應(yīng)用發(fā)展有限公司</a></p><p><span>聯(lián)系人：</span>楊先生</p><p><span>郵箱: </span>vannessysq@163.com</p><p><span>電話: </span>13370000019</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shkr-china.com</p><p><span>手機(jī): </span>021-66300096</p><p><span>地址: </span>上海市浦東滬南路2633號匯寶中心3樓</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="mefmn8m" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="38wcu92" class="box"><p><p style="text-indent:25px">溫度檢測已經(jīng)廣為應(yīng)用于我們的生活與工業(yè)現(xiàn)場中，測溫電路的精確性愈發(fā)重要，該如何提升測溫電路的準(zhǔn)確性？專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司以熱電阻測溫方案為例，從熱電阻的選型參數(shù)出發(fā)，氧化膜電阻生產(chǎn)，為大家簡單闡述提升測溫準(zhǔn)確性的方向：鉑熱電阻具有良好的長期穩(wěn)定性和精度，是常用的工業(yè)測溫傳感元件。近年來，薄膜印刷生產(chǎn)工藝使得貴金屬鉑的用量減少，鉑熱電阻成本大幅度下降，逐步被普及應(yīng)用。鉑熱電阻在與后級電路搭配使用時(shí)，關(guān)注其標(biāo)稱電阻，氧化膜電阻生產(chǎn)、溫度系數(shù)、精度等級三個(gè)基本參數(shù)，我們可以決定鉑熱電阻的選型，了解溫度電阻轉(zhuǎn)換特性、測量電流、接線方式這些參數(shù)可幫助我們盡可能少的引入額外電路誤差，氧化膜電阻生產(chǎn)，搭建精確的測溫電路。上海卓蕊科技應(yīng)用發(fā)展有限公司具備先進(jìn)生產(chǎn)技術(shù)，提供標(biāo)準(zhǔn)和定制鉑電阻。氧化膜電阻生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氧化膜電阻生產(chǎn),鉑電阻" src="https://tyunfile.71360.com/WaterMark/UploadFile/shtang/637316332921679687/7965426.png"></div><p style="text-indent:25px">任何一支鉑電阻溫度計(jì)都不能在13.8033K到961.789C整個(gè)溫區(qū)內(nèi)有高的準(zhǔn)確度甚至不能在此全溫區(qū)內(nèi)合適使用。溫度計(jì)在哪一個(gè)或哪些溫區(qū)中使用，通常是由它的結(jié)構(gòu)來決定的。專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司告知您：從使用溫度范圍分類,標(biāo)準(zhǔn)鉑電阻溫度計(jì)主要有以下四類:1、適用于0C ~ 961.78*C溫區(qū): Rtp名義值為0.252或2.52的高溫標(biāo)準(zhǔn)鉑電阻溫度計(jì)(銀點(diǎn)溫度計(jì)) , 石英保護(hù)管,長度660mm ;2、適用于0C ~ 660.3239C溫區(qū): Rtp名義值為252的標(biāo)準(zhǔn)鉑電阻溫度計(jì)(鋁點(diǎn)溫度計(jì)) , 石英保護(hù)管,長度520mm ;3.適用于0C ~ 419.5279C溫區(qū): Rtp名義值為252或10092的標(biāo)準(zhǔn)鉑電阻溫度計(jì)(鋅點(diǎn)溫度計(jì)) , 溫度計(jì)保護(hù)管有石英或金屬兩種,長度為480mm。此結(jié)構(gòu)的溫度計(jì)“低可用到氬三相點(diǎn)( 83.8058K) ;4、適用于13.8033K ~ 273.16K溫區(qū): Rtp名義值為252的低溫套管標(biāo)準(zhǔn)鉑電阻溫度計(jì),保護(hù)管有玻璃和鉑套管兩種,長度50mm到60mm ;電阻和電阻器PT100鉑電阻溫度傳感器可以用于氣象計(jì)量檢定系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氧化膜電阻生產(chǎn),鉑電阻" src="https://tyunfile.71360.com/WaterMark/UploadFile/shtang/637316330236416015/2439000.png"></div><p style="text-indent:25px">選擇溫度傳感器要注意什么？專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司告知您：(1)被測對象的溫度是否需記錄、報(bào)警和自動控制，是否需要遠(yuǎn)距離測量和傳送；(2)測溫范圍的大小和精度要求；(3)測溫元件大小是否適當(dāng)；(4)在被測對象溫度隨時(shí)間變化的場合，測溫元件的滯后能否適應(yīng)測溫要求；(5)被測對象的環(huán)境條件對測溫元件是否有損害。溫度傳感器的選擇主要是根據(jù)測量范圍。當(dāng)測量范圍預(yù)計(jì)在總量程之內(nèi)，可選用鉑電阻傳感器。較窄的量程通常要求傳感器必須具有相當(dāng)高的基本電阻，以便獲得足夠大的電阻變化。熱敏電阻所提供的足夠大的電阻變化使得這些敏感元件非常適用于窄的測量范圍。如果測量范圍相當(dāng)大時(shí)，熱電偶更適用。建議將冰點(diǎn)也包括在此范圍內(nèi)，因?yàn)闊犭娕嫉姆侄缺硎且源藴囟葹榛鶞?zhǔn)的。已知范圍內(nèi)的傳感器線性也可作為選擇傳感器的附加條件。響應(yīng)時(shí)間通常用時(shí)間常數(shù)表示，它是選擇傳感器的另一個(gè)基本依據(jù)。當(dāng)要監(jiān)視貯槽中溫度時(shí)，時(shí)間常數(shù)不那么重要。然而當(dāng)使用過程中必須測量振動管中的溫度時(shí)，時(shí)間常數(shù)就成為選擇傳感器的決定因素。</p><p style="text-indent:25px">由Pt100 的特性可知，雖然Pt100 的線性度比較好，但是由于其溫度—電阻函數(shù)關(guān)系并非線性，用單片機(jī)運(yùn)算則占用資源和時(shí)間都比較多。那用什么方法計(jì)算溫度？專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司告知您：通常采用查表和線性插值算法進(jìn)行標(biāo)度變換的方法計(jì)算出溫度，不僅運(yùn)算快、占用單片機(jī)內(nèi)部資源少，而且可以一定程度上對Pt100 進(jìn)行線性化校正，從而達(dá)到非常精確的測溫效果。要查表首先要在單片機(jī)的ROM 區(qū)建立一個(gè)電阻—溫度分度表，在檢測值的范圍內(nèi)均勻選擇若干個(gè)標(biāo)定點(diǎn)，標(biāo)定的點(diǎn)數(shù)越多則表格越大，對系統(tǒng)的描述也越精確。Pt100 的鉑電阻溫度分度表，可以向Pt100 的廠商索要，考慮到單片機(jī)的程序存儲空間資源和實(shí)際的測量精度要求，并不需要每隔一攝氏度就取一個(gè)標(biāo)定點(diǎn)，根據(jù)精度要求選擇適當(dāng)?shù)臏囟乳g隔。例如在-200～650℃范圍內(nèi)每隔5℃標(biāo)定一個(gè)Pt100 的電阻值，即共171 個(gè)標(biāo)定點(diǎn)，分別記作R[i]，對應(yīng)的溫度記作T[i]，i 取0～170。相較于銅或鎳電阻，鉑電阻更具優(yōu)勢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氧化膜電阻生產(chǎn),鉑電阻" src="https://tyunfile.71360.com/WaterMark/UploadFile/shtang/637316332719433593/8530609.png"></div><p style="text-indent:25px">薄膜鉑電阻為何更具優(yōu)勢？專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司告知您：傳統(tǒng)的薄膜鉑電阻是用很細(xì)的鉑絲(Ф0.03～0.07mm)繞在云母支架上制成，是國際公認(rèn)的高精度測溫標(biāo)準(zhǔn)傳感器。因此鉑電阻在中溫(-200～650℃)范圍內(nèi)得到較廣應(yīng)用。目前市場上已有用金屬鉑制作成的標(biāo)準(zhǔn)測溫?zé)犭娮?，?Pt100、Pt500、Pt1000 等。因?yàn)殂K電阻在氧化性介質(zhì)中，甚至高溫下其物理、化學(xué)性質(zhì)都非常穩(wěn)定，在600℃-1100℃中高溫范圍內(nèi)，作為高溫傳感器技術(shù)優(yōu)勢更大。采用鉑絲繞制的溫度傳感器，體積一般較大，用鉑量高，成本高。各種設(shè)備的小型化，可用的測量空間?。坏统杀究刂埔彩钱a(chǎn)業(yè)發(fā)展趨勢。采用半導(dǎo)體工藝制備的薄膜鉑電阻，器件規(guī)格在2*4*1mm以下，用鉑量只有傳統(tǒng)鉑電阻的1%。溫度精確到“點(diǎn)”測量，薄膜鉑電阻具有明顯優(yōu)勢，成本也只有傳統(tǒng)Pt電阻的3-5%。核級鉑電阻溫度計(jì)需要具備抗震等性能。**溫鉑電阻原理</p><p style="text-indent:25px">鉑電阻有哪幾種等級、結(jié)構(gòu)？尺寸范圍多少？氧化膜電阻生產(chǎn)</p><p style="text-indent:25px">標(biāo)準(zhǔn)鉑電阻溫度計(jì)具有高精度、高靈敏性和高穩(wěn)定性等特點(diǎn),因而被廣為應(yīng)用于智能儀器儀表的溫度測量?，F(xiàn)有方法大多是先將電阻變化通過電阻橋轉(zhuǎn)換為電壓信號,再經(jīng)過一系列濾波和放大處理后，送入A/D轉(zhuǎn)換器完成溫度采集。這類方法需解決好以下問題:(1)由于溫度對鉑電阻阻值和放大器帶來的影響,系統(tǒng)在環(huán)境溫度變化時(shí)會產(chǎn)生一定的系統(tǒng)誤差。在高精確度測量中,尋找有效的溫度補(bǔ)償方法是需要面臨的難題之一。(2)隨著測量精度的提高,高分辨率A/D轉(zhuǎn)換器的價(jià)格增大,導(dǎo)致測量儀器成本過高是所面臨的另一個(gè)問題。如何解決這些問題？專業(yè)溫度傳感器元件供應(yīng)商-上海卓蕊科技應(yīng)用發(fā)展有限公司告知您：一種新的鉑電阻測溫方法,通過RC振蕩器，將鉑電阻變化量轉(zhuǎn)換為頻率信號,解決了傳統(tǒng)方法中由于溫度變化及不平衡電阻橋所帶來的非線性問題;通過測量頻率變化量值來解算鉑電阻的阻值變化,從而計(jì)算出被測溫度值，省去A/D環(huán)節(jié),在高精度測溫時(shí)降低了設(shè)備成本。氧化膜電阻生產(chǎn)</p><p style="text-indent:25px">上海卓蕊科技應(yīng)用發(fā)展有限公司坐落在上海市浦東滬南路2633號匯寶中心3樓，是一家專業(yè)的一般項(xiàng)目：電子、網(wǎng)絡(luò)科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)、商務(wù)信息咨詢，會務(wù)服務(wù)；電子產(chǎn)品、儀器儀表、機(jī)電設(shè)備、電線電纜、通信設(shè)備、五金交電、汽摩配件、皮革制品、玩具、服裝服飾、鞋帽批發(fā)零售。公司。公司目前擁有5~10人員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質(zhì)高效的產(chǎn)品服務(wù)，深受員工與客戶好評。上海卓蕊科技應(yīng)用發(fā)展有限公司主營業(yè)務(wù)涵蓋[ "薄膜鉑電阻", "特殊傳感器訂制", "葡萄糖乳酸傳感器", "氣體傳感器" ]，堅(jiān)持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實(shí)的工作作風(fēng)、良好的職業(yè)道德，樹立了優(yōu)良的[ "薄膜鉑電阻", "特殊傳感器訂制", "葡萄糖乳酸傳感器", "氣體傳感器" ]形象，贏得了社會各界的信任和認(rèn)可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/810594.html</p></div></div></div></div></div><div id="myplcvb" class="page-right twoColRt"><div id="7ioarug" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="knjfmx2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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