精密高低溫試驗箱是一款滿足國標GB/T 10592 -2008高低溫試驗箱技術條；GB/T 10589-2008 低溫試驗箱技術條件的試驗設備，有高溫到150度，低溫到-70度（包括-60度、-40度、-20度、0度）的范圍可設定，升溫平均約3度每分鐘，降溫約1度每分鐘空載非線性。是一款可以設定高溫、低溫、高低溫交變、高低溫循環做試驗的設備。
技術參數：
實驗箱型號實驗箱工作尺寸 ㎜
AP-GD-80400×500×400  （寬×高×深）
AP-GD-150500×600×500  （寬×高×深）
AP-GD-225500×750×600  （寬×高×深）
AP-GD-408600×850×800   （寬×高×深）
AP-GD-8001000×1000×800 （寬×高×深）
AP-GD-10001000×1000×1000 （寬×高×深）
可選溫度范圍：
 A：0℃至150℃； B：-20℃至150℃；C：-40℃至150℃； D：-70℃至150℃
升溫速率：約3℃/min（從最低溫升到最高溫、非線性空載）；
降溫速率：約1℃/min（從最高溫降到最低溫、非線性空載）；
溫度波動度:±0.5℃。
溫度均勻度:±2.0℃。
材質：
內箱材質：100%保證采用SUS 304#不銹鋼板；
外箱材質：可選擇不銹鋼或烤漆處理。
標準配置：觀察窗（雙層中空鋼化玻璃 ） 一個；
ф50mm 測試孔（位于左連）一個 ；
試樣架二套（高度可調） ；
箱內照明燈（節能燈）一個； 
移動工作輪 四個；通訊接口；
連接電腦操作軟件一套。
控制器：7英寸超大觸摸AP-900智能可程序溫濕度控制器。
制冷系統：*泰康壓縮機,制冷劑為杜邦R404A/R23
精密高低溫試驗箱是(shi)同(tong)樣(yang)具(ju)備低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)功能(neng)的(de)(de)(de)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)設備，只(zhi)是(shi)有(you)分低(di)(di)(di)與更(geng)低(di)(di)(di)之區別，溫(wen)(wen)(wen)(wen)度(du)低(di)(di)(di)于(yu)0攝氏度(du)均屬于(yu)低(di)(di)(di)溫(wen)(wen)(wen)(wen)了，那么低(di)(di)(di)于(yu)-40攝氏度(du)則是(shi)屬于(yu)超(chao)低(di)(di)(di)溫(wen)(wen)(wen)(wen)了。愛佩公司生產的(de)(de)(de)超(chao)低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱低(di)(di)(di)能(neng)做(zuo)到70攝氏度(du)。低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱與超(chao)低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱的(de)(de)(de)制(zhi)(zhi)冷(leng)工(gong)作(zuo)原理，配置等(deng)都是(shi)一樣(yang)的(de)(de)(de)，只(zhi)是(shi)低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱采(cai)用一級制(zhi)(zhi)冷(leng)，超(chao)低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱會采(cai)用二元制(zhi)(zhi)冷(leng)，也(ye)稱(cheng)復(fu)疊式(shi)(shi)(shi)制(zhi)(zhi)冷(leng)系統(tong)。低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱的(de)(de)(de)低(di)(di)(di)溫(wen)(wen)(wen)(wen)工(gong)作(zuo)原理是(shi)：低(di)(di)(di)溫(wen)(wen)(wen)(wen)低(di)(di)(di)壓的(de)(de)(de)氣(qi)體(ti)(ti)(ti)(ti)→進到壓縮機（活塞(sai)式(shi)(shi)(shi)全封(feng)閉或旋轉式(shi)(shi)(shi)半(ban)封(feng)閉壓縮機）→經(jing)過壓縮機后(hou)變成高溫(wen)(wen)(wen)(wen)高壓的(de)(de)(de)氣(qi)體(ti)(ti)(ti)(ti)→再(zai)經(jing)過冷(leng)凝(ning)器（放出(chu)熱(re)(re)量等(deng)于(yu)氣(qi)體(ti)(ti)(ti)(ti)變為液(ye)體(ti)(ti)(ti)(ti)）→zui后(hou)變成中高溫(wen)(wen)(wen)(wen)的(de)(de)(de)液(ye)體(ti)(ti)(ti)(ti)→再(zai)經(jing)過干(gan)燥(zao)過濾器（主要怕(pa)毛細管堵塞(sai)）→經(jing)過節(jie)流工(gong)具(ju)（如毛細管、電磁閥、膨脹閥）→變成低(di)(di)(di)溫(wen)(wen)(wen)(wen)低(di)(di)(di)壓的(de)(de)(de)液(ye)體(ti)(ti)(ti)(ti)→經(jing)過蒸發器(水(shui)加(jia)(jia)熱(re)(re)后(hou)會產生蒸汽）→變為低(di)(di)(di)溫(wen)(wen)(wen)(wen)低(di)(di)(di)壓的(de)(de)(de)氣(qi)體(ti)(ti)(ti)(ti)再(zai)循(xun)環回(hui)到壓縮機←↑以(yi)此(ci)循(xun)環達到降溫(wen)(wen)(wen)(wen)效果(guo)，超(chao)低(di)(di)(di)溫(wen)(wen)(wen)(wen)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)箱的(de)(de)(de)工(gong)作(zuo)原理也(ye)是(shi)同(tong)上一樣(yang)的(de)(de)(de)只(zhi)是(shi)多加(jia)(jia)一個扳式(shi)(shi)(shi)熱(re)(re)交換器把兩(liang)個制(zhi)(zhi)冷(leng)系統(tong)疊加(jia)(jia)起(qi)來達到超(chao)低(di)(di)(di)溫(wen)(wen)(wen)(wen)制(zhi)(zhi)冷(leng)效果(guo)。