四川濕度發(fā)生器產(chǎn)業(yè) 歡迎來(lái)電蘇州眾好實(shí)驗(yàn)儀器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="低霜點(diǎn)濕度發(fā)生器是一種專門用于低濕領(lǐng)域校正的能夠發(fā)生水汽含量低至ppm級(jí)（即低于百萬(wàn)分之一）氣體的設(shè)備。同雙溫法相似，四川濕度發(fā)生器產(chǎn)業(yè)，霜點(diǎn)濕度發(fā)生器制備已知濕度氣體的過(guò)程是一個(gè)等壓變溫過(guò)程。經(jīng)過(guò)充分干燥的氣體首先流經(jīng)一個(gè)熱交換器然后進(jìn)入"><meta name="keywords" content="四川濕度發(fā)生器產(chǎn)業(yè),濕度發(fā)生器"><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 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tswaqc8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039928924218/9028914.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sveh3f2" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川濕度發(fā)生器產(chǎn)業(yè),濕度發(fā)生器</p><p><span>***更新：</span>2021-01-10 05:21:36</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="jr9lwtf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州眾好實(shí)驗(yàn)儀器科技有限公司</a></p><p><span>聯(lián)系人：</span>徐兵兵</p><p><span>郵箱: </span>xbbhdu@163.com</p><p><span>電話: </span>18268001581</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://www.zonho-tech.com</p><p><span>手機(jī): </span>0512-68290889</p><p><span>地址: </span>中國(guó)（江蘇）自由貿(mào)易試驗(yàn)區(qū)蘇州片區(qū)蘇州工業(yè)園區(qū)現(xiàn)代大道88號(hào)物流大廈1801-02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="83mxevr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ymaqm3c" class="box"><p><p style="text-indent:25px">低霜點(diǎn)濕度發(fā)生器是一種專門用于低濕領(lǐng)域校正的能夠發(fā)生水汽含量低至 ppm 級(jí)（即低于百萬(wàn)分之一）氣體的設(shè)備。同雙溫法相似，四川濕度發(fā)生器產(chǎn)業(yè)，霜點(diǎn)濕度發(fā)生器制備已知濕度氣體的過(guò)程是一個(gè)等壓變溫過(guò)程。經(jīng)過(guò)充分干燥的氣體首先流經(jīng)一個(gè)熱交換器然后進(jìn)入飽和器，換熱器和飽和器均浸沒(méi)在一個(gè)恒溫液體槽中。飽和器是一根螺旋形金屬盤管。管的內(nèi)表面為大約 1mm 厚的薄冰層所覆蓋。通過(guò)飽和器的氣流距離冰層表面不超過(guò) 4mm 。在流速為 2L/min 時(shí)，氣體的平均傳質(zhì)時(shí)間大約 7s ，四川濕度發(fā)生器產(chǎn)業(yè)。干氣流經(jīng)過(guò)換熱達(dá)到槽溫而后進(jìn)入飽和器，因?yàn)槭箽饬鬟_(dá)到飽和所需的水汽量非常小，所以管內(nèi)冰的升華作用不會(huì)導(dǎo)致冰面溫度明顯下降，四川濕度發(fā)生器產(chǎn)業(yè)，另外，由于盤管足夠長(zhǎng)，氣體的飽和過(guò)程在盤管的前部就己完成，盤管其余部分只是作為飽和氣體換熱之用。通過(guò)飽和器的氣體不存在明顯的壓力降。飽和器出口端氣體的溫度與飽和器的溫度相同或十分接近，所以這一溫度可視為氣流的霜點(diǎn)溫度便攜式濕度發(fā)生器價(jià)格。四川濕度發(fā)生器產(chǎn)業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川濕度發(fā)生器產(chǎn)業(yè),濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039928924218/9028914.png"></div><p> **發(fā)生器（humidity generator）是在一定條件下能發(fā)生溫度**值恒定且可知的氣流或氣氛的裝置的總稱,可在**溫度為 -75℃DP～10℃DP 的范圍內(nèi)連續(xù)可調(diào)，同時(shí)可實(shí)現(xiàn)氣體的流量、溫度的精確控制。它在燃料電池、特種材料學(xué)科、化學(xué)工業(yè)、石油工業(yè)、醫(yī)藥、環(huán)保和鋼鐵等多種領(lǐng)域的科研和生產(chǎn)中有著重要的應(yīng)用。**發(fā)生器具有精度高、重復(fù)性好、軟啟動(dòng)、穩(wěn)定可靠等特點(diǎn)，其操作簡(jiǎn)單，使用方便。 </p> <p> **發(fā)生器可控制相應(yīng)范圍內(nèi)氣體流量中水蒸氣含量比例，在**溫度-70℃-20℃或者20℃-60℃ 范圍內(nèi)連續(xù)可調(diào)，氣體流量在選定范圍內(nèi)控制，同時(shí)可以滿足選定氣體流量范圍內(nèi)濕度的變化。該款**發(fā)生器根據(jù)氣體流量可選擇不同型號(hào)和量程的**溫度范圍值，滿足多種不同實(shí)驗(yàn)。湖北優(yōu)良濕度發(fā)生器質(zhì)量保障智能化濕度發(fā)生器價(jià)格。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川濕度發(fā)生器產(chǎn)業(yè),濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039770906640/2694450.png"></div><p> <br /> </p> <p> 標(biāo)準(zhǔn)濕度發(fā)生器介紹一、概述濕度發(fā)生器，又稱“濕度發(fā)生裝置”，是在一定條件下能發(fā)生水蒸氣含量恒定且可知的氣流或氣氛的裝置的總稱,可在相對(duì)濕度為10-95%RH的范圍內(nèi)精確控制，同時(shí)可實(shí)現(xiàn)氣體的流量、溫度的精確控制。 </p> <p> <p> 濕度發(fā)生器采用分流法原理：內(nèi)置溫濕度標(biāo)準(zhǔn)器和控制模塊，全自動(dòng)發(fā)生干濕氣，并在恒溫控制的測(cè)量腔室中均勻混合,實(shí)現(xiàn)了測(cè)試室內(nèi)溫度和濕度的精確控制，可對(duì)溫度和濕度測(cè)量設(shè)備進(jìn)行檢定校準(zhǔn) 。 </p> <p> <br /> </p> <p> 廣泛應(yīng)用于計(jì)量院所、氣象部門、高校實(shí)驗(yàn)室、濕度傳感器制造商以及化工、制藥、食品、、微電子等行業(yè)。 </p> </p><p style="text-indent:25px">混合法，它又可以分為混流法和分流法兩種。前者是將飽和濕氣或過(guò)熱蒸汽同干氣混合：后者是將一股干氣精確地按比例分為兩股，其中一股用水汽飽和，另一股仍保持干燥、而后進(jìn)行混合。膜滲透法，膜的一側(cè)是水，由于膜兩側(cè)的水汽分壓不同，于是水汽通過(guò)膜向另一側(cè)滲透?；蛇@一原理通常使用的方法是滲透管配氣技術(shù)。溫度固定點(diǎn)法，即平衡水汽壓法，這種方法是利用某些鹽類或其它化合物（例如硫酸和甘油）的水溶液在一定的條件下其氣相中的水汽分壓保持恒定的原理智能化濕度發(fā)生器生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川濕度發(fā)生器產(chǎn)業(yè),濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039342732811/776560.png"></div><p> 雙壓法濕度發(fā)生器原***體在加壓狀態(tài)下被水汽飽和然后減壓膨脹。假如氣體在飽和、膨脹過(guò)程溫度保持恒定，并服從理想氣體定律，那末由道爾頓定律可得到如下關(guān)系式：式中 e w 和 P s 分別為飽和器中的飽和水汽分壓和氣體的總壓， e c 和 P c 分別為試驗(yàn)腔中的水汽分壓和氣體的總壓。那末，據(jù)定義，在溫度 t 時(shí)，低壓下的氣體的相對(duì)溫度可按下式計(jì)算： </p> <p> U=Pc/Ps*100 如果飽和器內(nèi)的溫度和試驗(yàn)室內(nèi)的溫度也不相同，即變成既改變壓力也改變溫度的情況，則試驗(yàn)室的相對(duì)濕度可采用下式計(jì)算。 </p> <p> U=(Pc/Ps) * (ew(Ts)/ew(Tc)) * 100 </p> <p> 式中 ew(Ts) 和 ew(Tc) 分別為飽和器和試驗(yàn)腔溫度下的飽和水汽分壓。新型濕度發(fā)生器廠家。江西便攜式濕度發(fā)生器規(guī)格尺寸</p><p style="text-indent:25px">江蘇小型化濕度發(fā)生器設(shè)備。四川濕度發(fā)生器產(chǎn)業(yè)</p><p> 雙壓濕度發(fā)生器通常由如下六個(gè)部分組成 </p> <p> <br /> </p> <p> （ 1 ）氣源系統(tǒng) </p> <p> <br /> </p> <p> （ 2 ）載氣干燥系統(tǒng) </p> <p> <br /> </p> <p> （ 3 ）飽和器系統(tǒng) </p> <p> <br /> </p> <p> （ 4 ）試驗(yàn)腔 </p> <p> <br /> </p> <p> （ 5 ）恒溫系統(tǒng) </p> <p> <br /> </p> <p> （ 6 ）溫度和壓力的測(cè)量與控制系統(tǒng) </p> <p> <br /> </p> <p> <br /> </p> <p> 雙溫法濕度發(fā)生器 </p> <p> <br /> </p> <p> 原理：ts 和 tc 分別為飽和器溫度和試驗(yàn)腔溫度，通過(guò)氣泵使氣流在飽和器與試驗(yàn)腔之間不斷循環(huán)，經(jīng)過(guò)一定時(shí)間之后，氣流中的水汽達(dá)到飽和狀態(tài)。 e w (T s ) 是在溫度 T s 下的飽和水汽壓力， e c 是在較高溫度 T c 下的飽和水汽壓力。假設(shè)氣體為理想氣體，并且飽和器總壓力 P s 等于試驗(yàn)腔內(nèi)氣體的總壓力 P c ，那么，在溫度為 T c 的試驗(yàn)腔內(nèi)氣體的相對(duì)濕度可以用如下式計(jì)算： </p> <p> U=(ew(Ts)/ew(Tc)) * 100 在 Ps 和 Pc 不一致時(shí)，特別是在氣流速度較高的情況下，就需要考慮進(jìn)行壓力修正，U=(ew(Ts)/ew(Tc)) * (Pc/Ps) * 100 基于兩個(gè)溫度原理設(shè)計(jì)的密閉式濕度發(fā)生器有多種不同的結(jié)構(gòu)形式。四川濕度發(fā)生器產(chǎn)業(yè)</p><p style="text-indent:25px">蘇州眾好實(shí)驗(yàn)儀器科技有限公司位于中國(guó)（江蘇）自由貿(mào)易試驗(yàn)區(qū)蘇州片區(qū)蘇州工業(yè)園區(qū)現(xiàn)代大道88號(hào)物流大廈1801-02室。公司業(yè)務(wù)涵蓋濕度發(fā)生器，水蒸氣發(fā)生器，VOC發(fā)生器，固定床催化劑評(píng)價(jià)系統(tǒng)等，價(jià)格合理，品質(zhì)有保證。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。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2782096.html</p></div></div></div></div></div><div id="y788vz2" class="page-right twoColRt"><div id="pvtkw77" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3lxnpwi" 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" 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