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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039617683983/3898201.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kkyuq22" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039617683983/3898201.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="emyc2gk" 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>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>西藏智能濕度發(fā)生器推薦廠家,濕度發(fā)生器</p><p><span>***更新：</span>2021-01-21 05:18:54</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="y2qmqcm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州眾好實驗儀器科技有限公司</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: </span>0512-68290889</p><p><span>地址: </span>中國（江蘇）自由貿(mào)易試驗區(qū)蘇州片區(qū)蘇州工業(yè)園區(qū)現(xiàn)代大道88號物流大廈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="2mgsgsm" class="page-proshow02"><p class="title">詳細說明</p><div id="oaw2o4g" class="box"><p><p> **（或霜點）溫度：指空氣在水汽含量和氣壓都不改變的條件下，冷卻到飽和時的溫度。形象地說，就是空氣中的水蒸氣變?yōu)槁吨闀r候的溫度叫**溫度。**溫度本是個溫度值，可為什么用它來表示濕度呢？這是因為，當(dāng)空氣中水汽已達到飽和時，氣溫與**溫度相同；當(dāng)水汽未達到飽和時，氣溫一定高于**溫度。所以**與氣溫的差值可以表示空氣中的水汽距離飽和的程度。 </p> <p> 改變已知濕度氣體（主要是指飽和濕氣）狀態(tài)的方法。我們知道，西藏智能濕度發(fā)生器推薦廠家，氣體的狀態(tài)由壓力、溫度和體積來確定，對于飽和濕氣，如果狀態(tài)條件不變，那末水汽的含量是恒定的，反之，若狀態(tài)改變，水汽含量亦隨之改變。于是可以利用熱力學(xué) P 、 v 、 T關(guān)系配制出所要求的濕度的氣體，西藏智能濕度發(fā)生器推薦廠家，基于這一原理的方法有改變壓力的方法，西藏智能濕度發(fā)生器推薦廠家，即雙壓法；改變溫度的方法，即雙溫法；以及同時改變壓力和溫度的方法蘇州智能化濕度發(fā)生器。西藏智能濕度發(fā)生器推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏智能濕度發(fā)生器推薦廠家,濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039617683983/3898201.png"></div><p> 濕度發(fā)生器采用分流法原理：內(nèi)置溫濕度標(biāo)準器和控制模塊，全自動發(fā)生干濕氣，并在恒溫控制的測量腔室中均勻混合,實現(xiàn)了測試室內(nèi)溫度和濕度的精確控制，可對溫度和濕度測量設(shè)備進行檢定校準。 </p> <p> 廣泛應(yīng)用于計量院所、氣象部門、高校實驗室、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> 溫濕度快速全自動控制，校準檢定工作簡捷效率高；測試環(huán)境均勻穩(wěn)定，校準結(jié)果準確可靠；一體化設(shè)計，自帶干濕氣源；小型便攜、低功耗節(jié)能；自帶溫濕度標(biāo)準，可支持溯源校準；支持多種測試配件，適用于多種濕度傳感器的檢定校準；支持串口（RS-232）、網(wǎng)絡(luò)和無線等多種通訊方式。高精度高穩(wěn)定性便攜式溫度濕度發(fā)生器西藏智能濕度發(fā)生器推薦廠家蘇州便攜式濕度發(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="西藏智能濕度發(fā)生器推薦廠家,濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039405642968/3174012.png"></div><p> 滲透管的工作基礎(chǔ)就是依據(jù)膜滲透原理，水分子穿過管壁的滲透過程遵循 Fick 定律，q=-D*S * (dP/dB)式中， q: 滲透速率，D ：滲透系數(shù)S: 有效滲透面積，dP/dB: 膜兩側(cè)水汽的壓力梯度，其中 B 為膜的厚度。由上式可見滲透速率與膜的材料及其密度、厚度、有效滲透面積、材料的物理特性（如親水或憎水）以及膜兩側(cè)的水汽分壓差等有關(guān)。 </p> <p> <br /> </p> <p> 發(fā)生器輸出的標(biāo)準氣的水分濃度按下式計算： </p> <p> <br /> </p> <p> C=(q*V) / (F*Mv) </p> <p> <br /> </p> <p> 式中： C ——標(biāo)準汽的水分濃度，單位為 ppmv </p> <p> <br /> </p> <p> q ——標(biāo)定溫度對應(yīng)的滲透率，單位為μ g/min </p> <p> <br /> </p> <p> V ——水汽的摩爾體積，單位為 L/mol </p> <p> <br /> </p> <p> F ——干載氣流量，單位為 L/min </p> <p> <br /> </p> <p> Mv ——水的摩爾質(zhì)量，單位為 g/mol </p><p> 在氣體混合物單位體積中所含的水蒸氣量稱為濕度.相對濕度是指在某個溫度下,濕度與完全飽和水蒸氣比較大濕度的比值,用百分數(shù)(%)來表示。濕度是指1立方米的空氣呈水蒸氣狀態(tài)下的含水克數(shù).1立方米空氣所能吸收水蒸氣的比較大量叫作比較大濕度或飽和點，比較大濕度很大程度上取決于溫度。 </p> <p> <br /> </p> <p> 絕對濕度是指空氣中水蒸氣的密度,用1m3空氣中含有水蒸氣的重量(g)來表示.水蒸氣含量多,空氣的濕度高.空氣中的含水量有一定限度,達到比較大容量時,稱為飽和水蒸氣含量。 </p> <p> 濕度是指每立方米濕測量的濕度不大于29g。然而，我國氫氣(干氫氣與水蒸汽的混合物)中所含的水內(nèi)大型氫冷發(fā)電機的氫氣濕度普遍高于該標(biāo)蒸汽質(zhì)量。智能化濕度發(fā)生器廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏智能濕度發(fā)生器推薦廠家,濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039547566796/3627976.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)，同時可實現(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、穩(wěn)定可靠等特點，其操作簡單，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和量程的**溫度范圍值，滿足多種不同實驗。智能濕度發(fā)生器產(chǎn)品介紹。上海專業(yè)濕度發(fā)生器廠家報價</p><p style="text-indent:25px">濕度發(fā)生器使用年限。西藏智能濕度發(fā)生器推薦廠家</p><p> 分流法濕度發(fā)生器 </p> <p> 原理：干氣源（一般是干空氣）的氣體按一定的比例分成兩部分，一路進入飽和器 S ，被飽和的氣流在混合室 C M 中同另一股干氣混合，而后進入試驗腔 C T ，排入大氣。飽和器、混合室和試驗腔浸在同一個恒溫槽中。 </p> <p> <br /> </p> <p> 試驗腔中的相對濕度是下列因素的函數(shù)： </p> <p> <br /> </p> <p> (1) 通過飽和器的空氣的份數(shù)。 </p> <p> <br /> </p> <p> (2) 飽和器中的總壓力。 </p> <p> <br /> </p> <p> (3) 飽和水汽壓力。 </p> <p> <br /> </p> <p> (4) 試驗腔中的水汽分壓力。 </p> <p> <br /> </p> <p> 計算試驗腔中相對濕度的公式： </p> <p> <br /> </p> <p> U=100 * X / [1-(1-X) es/Ps ] </p> <p> <br /> </p> <p> 式中，X分流比，es為飽和器中的水汽分壓力， Ps為飽和器中的總壓力。 </p> <p> <br /> </p> <p> 分流法的相對溫度不確定度一般在 1-3 ％范圍內(nèi)；所以在低溫下使用上述簡化式完全能滿足方法的準確度要求。西藏智能濕度發(fā)生器推薦廠家</p><p style="text-indent:25px">蘇州眾好實驗儀器科技有限公司致力于儀器儀表，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為濕度發(fā)生器，水蒸氣發(fā)生器，VOC發(fā)生器，固定床催化劑評價系統(tǒng)等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。蘇州眾好科技秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2940898.html</p></div></div></div></div></div><div id="eose42i" class="page-right 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