簡要描(miao)述:-40度高低溫(wen)箱制(zhi)(zhi)冷(leng)(leng)(leng)原(yuan)理: 制(zhi)(zhi)冷(leng)(leng)(leng)方(fang)(fang)法(fa)分為蒸(zheng)(zheng)(zheng)氣壓(ya)(ya)縮(suo)(suo)式制(zhi)(zhi)冷(leng)(leng)(leng)、吸收式制(zhi)(zhi)冷(leng)(leng)(leng)、蒸(zheng)(zheng)(zheng)氣噴射式制(zhi)(zhi)冷(leng)(leng)(leng)、氣體(ti)膨脹式制(zhi)(zhi)冷(leng)(leng)(leng)、熱(re)電制(zhi)(zhi)冷(leng)(leng)(leng)。在(zai)上(shang)述(shu)制(zhi)(zhi)冷(leng)(leng)(leng)方(fang)(fang)法(fa)中,蒸(zheng)(zheng)(zheng)氣壓(ya)(ya)縮(suo)(suo)制(zhi)(zhi)冷(leng)(leng)(leng)是z經濟而且應(ying)用(yong)z廣泛的(de)制(zhi)(zhi)冷(leng)(leng)(leng)方(fang)(fang)式,亦(yi)是環境試驗設備中較(jiao)常使用(yong)的(de)制(zhi)(zhi)冷(leng)(leng)(leng)方(fang)(fang)式,其原(yuan)理是利用(yong)氟利昂等液體(ti)的(de)蒸(zheng)(zheng)(zheng)發潛(qian)熱(re)從被(bei)冷(leng)(leng)(leng)卻物(wu)體(ti)中吸熱(re)而實現制(zhi)(zhi)冷(leng)(leng)(leng)。(單級制(zhi)(zhi)冷(leng)(leng)(leng)循環圖(tu))為蒸(zheng)(zheng)(zheng)氣壓(ya)(ya)縮(suo)(suo)式制(zhi)(zhi)冷(leng)(leng)(leng)循環過程(cheng)的(de)示意(yi)圖(tu)。
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Product Category詳細介紹
品牌 | 愛佩科技/A-PKJ | 價格區間 | 1萬-2萬 |
---|---|---|---|
產地類別 | 國產 |
-40度高低溫箱滿足標準:
⒈ GB11158 高溫試驗箱技術條件
⒉ GB10589-89 低溫試驗箱技術條件
⒊ GB10592-89 高低溫試驗箱技術條件
4. GB/T2423.1-2008 低溫試驗箱試驗方法
5. GB/T2423.2-2008 高溫試驗箱試驗方法
6. GB/T2423.22-2002 溫度變化試驗方法
7. IEC60068-2-1.1990 低溫試驗箱試驗方法
8. IEC60068-2-2.1974 高溫試驗箱試驗方法
9.GJB150.3 高溫試驗
10.GJB150.4 低溫試驗
-40度高低溫箱規格:
內 容 積:408L
內 箱 尺寸 :600X800X850 mm( W * D * H )
外 箱 尺寸 :1320X1220X1800mm ( W * D * H )
溫度范圍: -40 ℃~﹢150 ℃ (風冷式)
濕 度 范 圍: 20% ~ 98%
降溫速率:+20℃~-40℃,≤50min(空載)
升溫速率:+20℃~+150℃, ≤65min(空載)
溫度穩定度:±0.2℃
濕度穩定度:±2.0%
溫度均勻性:±2.0℃(空載下)
濕度準確度:±2.0%
制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)原(yuan)理(li)(li): 制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)方法(fa)分為蒸(zheng)(zheng)(zheng)氣(qi)(qi)壓縮(suo)式(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)、吸(xi)(xi)(xi)(xi)收式(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)、蒸(zheng)(zheng)(zheng)氣(qi)(qi)噴射式(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)、氣(qi)(qi)體(ti)膨脹(zhang)式(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)、熱電制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)。在上述制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)方法(fa)中(zhong),蒸(zheng)(zheng)(zheng)氣(qi)(qi)壓縮(suo)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)是*經濟而(er)(er)且應用(yong)*廣泛的(de)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)方式(shi),亦是環境試驗設(she)備中(zhong)*常使用(yong)的(de)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)方式(shi),其原(yuan)理(li)(li)是利用(yong)氟利昂等液體(ti)的(de)蒸(zheng)(zheng)(zheng)發(fa)潛熱從(cong)(cong)被冷(leng)(leng)卻物體(ti)中(zhong)吸(xi)(xi)(xi)(xi)熱而(er)(er)實現制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)。(單級制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)循(xun)環圖)為蒸(zheng)(zheng)(zheng)氣(qi)(qi)壓縮(suo)式(shi)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)循(xun)環過程的(de)示意圖。經膨脹(zhang)閥節流進入蒸(zheng)(zheng)(zheng)發(fa)器(qi)的(de)液體(ti),從(cong)(cong)周(zhou)圍(wei)物體(ti)中(zhong)吸(xi)(xi)(xi)(xi)取蒸(zheng)(zheng)(zheng)發(fa)潛熱而(er)(er)蒸(zheng)(zheng)(zheng)發(fa),蒸(zheng)(zheng)(zheng)發(fa)后變成低溫低壓氣(qi)(qi)體(ti)被制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)壓縮(suo)機(ji)吸(xi)(xi)(xi)(xi)入,經壓縮(suo)機(ji)壓縮(suo)后變成高(gao)溫高(gao)壓氣(qi)(qi)體(ti)進入水冷(leng)(leng)或(huo)風(feng)冷(leng)(leng)冷(leng)(leng)凝器(qi),在其中(zhong)冷(leng)(leng)卻成高(gao)壓液體(ti),再經膨脹(zhang)閥進入蒸(zheng)(zheng)(zheng)發(fa)器(qi)。如此往(wang)復循(xun)環,從(cong)(cong)低溫處吸(xi)(xi)(xi)(xi)熱實現制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng),再將熱量從(cong)(cong)高(gao)溫處釋放出來.
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