湖南新型濕度發(fā)生器規(guī)格尺寸歡迎來電蘇州眾好實(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="雙壓濕度發(fā)生器通常由如下六個(gè)部分組成（1）氣源系統(tǒng)（2）載氣干燥系統(tǒng)（3）飽和器系統(tǒng)（4）試驗(yàn)腔（5）恒溫系統(tǒng)（6）溫度和壓力的測(cè)量與控制系統(tǒng)雙溫法濕度發(fā)生器原理：ts和tc分別為飽和器溫度和試驗(yàn)腔溫度，通過氣泵使氣"><meta name="keywords" content="湖南新型濕度發(fā)生器規(guī)格尺寸,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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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class="title">詳細(xì)說明</p><div id="vbd3tbf" class="box"><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，通過氣泵使氣流在飽和器與試驗(yàn)腔之間不斷循環(huán)，經(jīng)過一定時(shí)間之后，湖南新型濕度發(fā)生器規(guī)格尺寸，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，湖南新型濕度發(fā)生器規(guī)格尺寸。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，湖南新型濕度發(fā)生器規(guī)格尺寸，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。智能濕度發(fā)生器推薦廠家。湖南新型濕度發(fā)生器規(guī)格尺寸</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南新型濕度發(fā)生器規(guī)格尺寸,濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039278650780/4658926.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。江西低濕度發(fā)生器智能化濕度發(fā)生器價(jià)格。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南新型濕度發(fā)生器規(guī)格尺寸,濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039152742577/438147.png"></div><p style="text-indent:25px">、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，氣體的狀態(tài)由壓力、溫度和體積來確定，對(duì)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，基于這一原理的方法有改變壓力的方法，即雙壓法；改變溫度的方法，即雙溫法；以及同時(shí)改變壓力和溫度的方法。從穩(wěn)定氣源來的氣體經(jīng)干燥后成為干氣，通過質(zhì)量流量控制裝置被準(zhǔn)確分為兩股，其中一股（流量為Qw）經(jīng)換熱后通過飽和器使之與水（或冰）呈熱力學(xué)相平衡狀態(tài)（即達(dá)到飽和），其相對(duì)濕度為RH，另一股（流量為QD）經(jīng)換熱后（仍為干氣），其相對(duì)濕度為0%RH，與上一股飽和濕氣混合均勻后進(jìn)入測(cè)試室。通過調(diào)節(jié)溫度及Qw與QD的比例關(guān)系，可獲得相對(duì)濕度值恒定的標(biāo)準(zhǔn)濕氣。</p><p> 水汽壓（e）：是水汽在大氣總壓力中的分壓力。它表示了空氣中水汽的含量的大小，以毫巴為單位?？諝馕账幸欢ㄏ蘖?，達(dá)到了限量就不再吸收，這個(gè)限量叫“飽和點(diǎn)”?？諝庵兴_(dá)到飽和點(diǎn)時(shí)的水汽壓，稱為飽和水汽壓（或稱比較大水汽張力）。飽和水汽壓是溫度的函數(shù)，隨溫度升高而增大。在同一溫度下，純冰面上的飽和水汽壓要小于純水面上的飽和水汽壓。 </p> <p> <br /> </p> <p> 相對(duì)濕度（rh）：濕空氣中實(shí)際水汽壓e與同溫度下飽和水汽壓E的百分比，即 </p> <p> rh =（e/E）* </p> <p> 相對(duì)濕度的大小能直接表示空氣距離飽和的相對(duì)程度?？諝馔耆稍飼r(shí)，相對(duì)濕度為零。相對(duì)濕度越小，表示當(dāng)時(shí)空氣越干燥。當(dāng)相對(duì)濕度接近于時(shí)，表示空氣很潮濕，越接近于飽和。濕度發(fā)生器產(chǎn)品參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南新型濕度發(fā)生器規(guī)格尺寸,濕度發(fā)生器" src="https://tyunfile.71360.com/UploadFile/zhsyyq/637382039342732811/776560.png"></div><p> 從穩(wěn)定氣源來的氣體經(jīng)干燥后成為干氣，通過質(zhì)量流量控制裝置被準(zhǔn)確分為兩股，其中一股（流量為Qw）經(jīng)換熱后通過飽和器使之與水（或冰）呈熱力學(xué)相平衡狀態(tài)（即達(dá)到飽和），其相對(duì)濕度為RH，另一股（流量為QD）經(jīng)換熱后（仍為干氣），其相對(duì)濕度為0%RH，與上一股飽和濕氣混合均勻后進(jìn)入測(cè)試室。通過調(diào)節(jié)溫度及Qw與QD的比例關(guān)系，可獲得相對(duì)濕度值恒定的標(biāo)準(zhǔn)濕氣。 </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。濕度發(fā)生器技術(shù)參數(shù)參考。四川專業(yè)濕度發(fā)生器技術(shù)指導(dǎo)</p><p style="text-indent:25px">便攜式濕度發(fā)生器生產(chǎn)廠家。湖南新型濕度發(fā)生器規(guī)格尺寸</p><p style="text-indent:25px">RH就是相對(duì)濕度，（Relative Humidity）是用**溫度來定義的。濕度的名詞解釋：在計(jì)量法中規(guī)定,濕度定義為“物象狀態(tài)的量”。日常生活中所指的濕度為相對(duì)濕度，%rh表示?？傃灾?，即氣體中（通常為空氣中）所含水蒸氣量（水蒸氣壓）與其空氣相同情況下飽和水蒸氣量（飽和水蒸氣壓）的百分比。濕度有三種基本形式，即水汽壓、相對(duì)濕度、**溫度。水汽壓（曾稱為濕度）表示空氣中水汽部分的壓強(qiáng)，單位以百帕（hPa）為單位，取小數(shù)一位；相對(duì)濕度用空氣中實(shí)際水汽壓與當(dāng)時(shí)氣溫下的飽和水汽壓之比的百分?jǐn)?shù)表示，取整數(shù)；**溫度是表示空氣中水汽含量和氣壓不變的條件下冷卻達(dá)到飽和時(shí)的溫度，單位用攝氏度（℃）表示，取小數(shù)一位。配有濕度計(jì)時(shí)還可以測(cè)定相對(duì)濕度的連續(xù)記錄和小相對(duì)濕度。湖南新型濕度發(fā)生器規(guī)格尺寸</p><p style="text-indent:25px">蘇州眾好實(shí)驗(yàn)儀器科技有限公司是一家經(jīng)營(yíng)范圍：一般項(xiàng)目：技術(shù)服務(wù)、技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)交流、技術(shù)轉(zhuǎn)讓、技術(shù)推廣；儀器儀表制造；實(shí)驗(yàn)分析儀器制造；智能儀器儀表制造；地質(zhì)勘查**設(shè)備制造；環(huán)境保護(hù)**設(shè)備制造；泵及真空設(shè)備制造；通用設(shè)備制造（不含特種設(shè)備制造）；**設(shè)備修理；工業(yè)機(jī)器人安裝、維修；儀器儀表銷售；環(huán)境監(jiān)測(cè)**儀器儀表銷售；智能儀器儀表銷售；實(shí)驗(yàn)分析儀器銷售；計(jì)算機(jī)軟硬件及輔助設(shè)備批發(fā)；工業(yè)控制計(jì)算機(jī)及系統(tǒng)銷售；軟件銷售；機(jī)械設(shè)備銷售；五金產(chǎn)品批發(fā)；氣體、液體分離及純凈設(shè)備銷售；電子元器件批發(fā)；電子產(chǎn)品銷售；泵及真空設(shè)備銷售；塑料制品銷售；橡膠制品銷售；閥門和旋塞銷售；辦公設(shè)備銷售；集成電路銷售；電力電子元器件銷售；專業(yè)設(shè)計(jì)服務(wù)；工業(yè)設(shè)計(jì)服務(wù)；集成電路設(shè)計(jì)；普通機(jī)械設(shè)備安裝服務(wù)（除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營(yíng)業(yè)執(zhí)照依法自主開展經(jīng)營(yíng)活動(dòng)）的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。蘇州眾好科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供濕度發(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)。蘇州眾好科技始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。蘇州眾好科技始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使蘇州眾好科技在行業(yè)的從容而自信。</p></p><br 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