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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gnalm80" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575868134766/8876965.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="atz2uf7" 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>成都熱電阻價(jià)格,熱電阻</p><p><span>***更新：</span>2020-09-28 09:04:26</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="ptjkv0j" 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="dfvw3rq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="mlr3fgz" class="box"><p><p> 一體化防爆熱電阻 </p> <p> 工作原理 </p> <p> 熱電偶（阻）在工作狀態(tài)下所測(cè)得的熱電勢(shì)（電阻）的變化，成都熱電阻價(jià)格，成都熱電阻價(jià)格，經(jīng)過(guò)溫度變送器的電橋產(chǎn)生不平衡信號(hào)，成都熱電阻價(jià)格，經(jīng)放大后轉(zhuǎn)換成為4-20mA電信號(hào)給工作儀表，工作儀表便顯示所對(duì)應(yīng)的溫度值。 </p> <p> 隔爆熱電偶（阻）利用間隙隔爆原理，當(dāng)腔內(nèi)發(fā)生時(shí)，能通過(guò)接合面間隙熄火和冷卻，使后的火焰和溫度傳不到腔外，從而進(jìn)行測(cè)溫。熱電偶（阻）產(chǎn)生的熱電勢(shì)（電阻值）經(jīng)過(guò)溫度變送器的電橋產(chǎn)生不平衡信號(hào)，經(jīng)放大后轉(zhuǎn)換成為4-20mA的直流電信號(hào)給工人儀表，工作儀表顯示出所對(duì)應(yīng)的溫度值。 </p> <p> 主要技術(shù)參數(shù) </p> <p> 產(chǎn)品執(zhí)行標(biāo)準(zhǔn) </p> <p> IEC584 </p> <p> IEC751 </p> <p> IEC1515 </p> <p> JB/T5518-91 </p> <p> JB/T7391-94 成都熱電阻價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都熱電阻價(jià)格,熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575868134766/8876965.jpg"></div><p> WZP-270熱電阻 </p> <p> 型號(hào)：WZP-270 </p> <p> 規(guī)格：￠6*50/100/150/200mm </p> <p> 分度號(hào)：Pt100 </p> <p> 實(shí)際測(cè)量范圍：-20～450 </p> <p> 安裝螺紋：M16*1.5 </p> <p> 精度誤差：正負(fù)0.5%（100度誤差0.5度） </p> <p> 熱電阻，靈敏度高，穩(wěn)定性強(qiáng)，互換性以及性都比較好，但是需要電源激勵(lì)，不能夠瞬時(shí)測(cè)量溫度的變化。工業(yè)用熱電阻一般采用Pt100，Pt10，Cu50，Cu100，鉑熱電阻的測(cè)溫的范圍一般為零下200-800攝氏度，常用于電力、化工、注塑、包裝、食品、孵化器、烤箱上面的測(cè)溫。 </p> <p> 熱電阻與熱電偶區(qū)別： </p> <p> 熱電阻是電阻隨溫度變化的元件，而熱電偶是熱電勢(shì)（電壓）隨溫度變化的元件。一般熱電阻用在低溫，熱電偶用在高溫。 </p> <p> 相對(duì)來(lái)說(shuō)熱電阻精度誤差會(huì)小點(diǎn)，價(jià)格稍微高一點(diǎn)。并且引線可以不用補(bǔ)償導(dǎo)線；而熱電偶必須用熱電偶補(bǔ)償線成都熱電阻價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都熱電阻價(jià)格,熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575868242187/6750741.jpg"></div><p> 端面熱電阻 </p> <p> 適合于電廠汽輪機(jī)及電機(jī)軸瓦或其它機(jī)體表面測(cè)溫。 </p> <p> 主要技術(shù)參數(shù) </p> <p> 精度等級(jí)：A、B級(jí) </p> <p> 公稱(chēng)壓力：常壓 </p> <p> 多點(diǎn)鎧裝熱電偶\熱電阻 </p> <p> 1、應(yīng)用 </p> <p> 適用于生產(chǎn)現(xiàn)場(chǎng)存在溫度梯度不明顯，須同時(shí)測(cè)量多個(gè)位置或位置的多處測(cè)量。廣泛應(yīng)用于大化肥合成塔、存儲(chǔ)罐等裝置中。 </p> <p> 2、主要技術(shù)參數(shù) </p> <p> 電氣出口：M27X2，NPT3/4 </p> <p> 熱響應(yīng)時(shí)間： ≤8S </p> <p> 偶絲直徑：Φ3 </p> <p> 防護(hù)等級(jí)：IP65 </p> <p> 電機(jī)**熱電阻 </p> <p> 1、應(yīng)用 </p> <p> 本產(chǎn)品是電機(jī)**熱電阻（長(zhǎng)期為湘潭機(jī)電集團(tuán)配套電機(jī)**熱電阻） </p> <p> 還適合用于電廠帶有軸承設(shè)備的軸承及其它須防震場(chǎng)合測(cè)溫。 </p> <p> 2、主要技術(shù)參數(shù) </p> <p> 電氣出口：M16x1．5 </p> <p> 連接尺寸：M27x2 </p> <p> 防護(hù)等級(jí)：IP65 </p><p> 雙支鎧裝熱電阻的接線方式： </p> <p> 四線制：在熱電阻的根部?jī)啥烁鬟B接兩根導(dǎo)線的方式稱(chēng)為四線制，其中兩根引線為熱電阻提供恒定電流I，把R轉(zhuǎn)換成電壓信號(hào)U，再通過(guò)另兩根引線把U引至二次儀表。可見(jiàn)這種引線方式可完全消除引線的電阻影響，主要用于高精度的溫度檢測(cè)。 </p> <p> 熱電阻采用三線制接法。采用三線制是為了消除連接導(dǎo)線電阻引起的測(cè)量誤差。這是因?yàn)闇y(cè)量熱電阻的電路一般是不平衡電橋。熱電阻作為電橋的一個(gè)橋臂電阻，其連接導(dǎo)線（從熱電阻到中控室）也成為橋臂電阻的一部分，這一部分電阻是未知的且隨環(huán)境溫度變化，造成測(cè)量誤差。采用三線制，將導(dǎo)線一根接到電橋的電源端，其余兩根分別接到熱電阻所在的橋臂及與其相鄰的橋臂上，這樣消除了導(dǎo)線線路電阻帶來(lái)的測(cè)量誤差。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都熱電阻價(jià)格,熱電阻" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110575862636719/2378138.jpg"></div><p> 裝配式隔爆鉑熱電阻 </p> <p> 概述 </p> <p> WZ系列工業(yè)用熱電阻作為溫度測(cè)量傳感器,通常與溫度變送器,調(diào)節(jié)器以及顯示儀表等配套使用,組成過(guò)程控制系統(tǒng),用以直接測(cè)量或控制各種生產(chǎn)過(guò)程中-200℃-500℃范圍內(nèi)的液體,蒸汽和氣體介質(zhì)以及固體表面的溫度. </p> <p> 熱電阻是利用物質(zhì)在溫度變化時(shí)本身電阻也隨著發(fā)生變化的特性來(lái)測(cè)量溫度的.當(dāng)被測(cè)介體中有溫度剃度存在時(shí),所測(cè)的溫度是感溫元件所在范圍介質(zhì)中的平均溫度. </p> <p> 盡管各種熱電阻的外形差異很大,但是它們的基本結(jié)構(gòu)卻大致相似,一般有感溫元件,絕緣套管,保護(hù)管,和接線盒等主要部分組成攀枝花熱電阻價(jià)格</p><p style="text-indent:25px">成都熱電阻價(jià)格</p><p> 鉑熱電阻WZP-330 </p> <p> 概述： WZ系列工業(yè)用熱電阻作為溫度測(cè)量傳感器,通常與溫度變送器,調(diào)節(jié)器以及顯示儀表等配套使用,組成過(guò)程控制系統(tǒng),用以直接測(cè)量或控制各種生產(chǎn)過(guò)程中-200℃~500℃范圍內(nèi)的液體,蒸汽和氣體介質(zhì)以及固體表面的溫度。 </p> <p> 特點(diǎn)：壓簧式感溫元件，抗振性能好；測(cè)量精度高；機(jī)械強(qiáng)度高，耐壓性能好；進(jìn)口薄膜電阻元件，性能可靠穩(wěn)定。 </p> <p> 工作原理：熱電阻是利用物質(zhì)在溫度變化時(shí)，其電阻也隨著發(fā)生變化的特征來(lái)測(cè)量溫度的。當(dāng)阻值變化時(shí)，工作儀表便顯示出阻值所對(duì)應(yīng)的溫度值。 </p> <p> 常溫絕緣電阻：熱電阻在環(huán)境溫度為15~35℃，相對(duì)濕度不大于80%，試驗(yàn)電壓為10~100V（直流）電極與外套管之間的絕緣電阻>100MΩ。成都熱電阻價(jià)格</p><p style="text-indent:25px">成都皖川科技有限公司位于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。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)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造儀器儀表良好品牌。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: 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