高低溫試驗箱直銷面無反作(zuo)用(yong)把手，操(cao)作(zuo)容(rong)易，安全可(ke)靠(kao)。長方形復層(ceng)玻璃觀視(shi)窗(chuang)，可(ke)在測(ce)試(shi)(shi)進(jin)(jin)行(xing)時(shi)或(huo)試(shi)(shi)驗中(zhong)進(jin)(jin)行(xing)試(shi)(shi)驗品觀察使用(yong)，視(shi)窗(chuang)具(ju)防汗電熟器裝置(zhi)可(ke)防止水(shui)(shui)氣凝結水(shui)(shui)滴，及高亮(liang)度PL螢光燈保持(chi)箱內(nei)照(zhao)明。箱門雙層(ceng)隔(ge)絕(jue)氣密迫緊，可(ke)有(you)效隔(ge)絕(jue)內(nei)部溫度泄漏。具(ju)有(you)測(ce)試(shi)(shi)孔(kong)可(ke)外接(jie)測(ce)試(shi)(shi)電源(yuan)線或(huo)信(xin)號線及上下可(ke)調(diao)整置(zhi)物盤。具(ju)可(ke)外接(jie)式供水(shui)(shui)系統，方便(bian)(bian)于(yu)補充加(jia)濕(shi)桶供水(shui)(shui)，并(bing)自動(dong)回收使用(yong)。制(zhi)(zhi)冷系統壓縮機采(cai)用(yong)“泰康”牌，更能有(you)效去除冷凝管與毛細(xi)，制(zhi)(zhi)冷劑(ji)采(cai)用(yong)聯興環保冷媒(R404)；控制(zhi)(zhi)器采(cai)用(yong)進(jin)(jin)口LCD顯示(shi)屏幕(mu)，可(ke)同時(shi)顯示(shi)測(ce)定值及設(she)定值．時(shi)間。控制(zhi)(zhi)器具(ju)多段(duan)程序編(bian)輯及溫度、濕(shi)度可(ke)做(zuo)快(kuai)速(su)(QUICK)或(huo)斜率(SLOP)控制(zhi)(zhi)。內(nei)置(zhi)式移動(dong)滑輪(lun)便(bian)(bian)于(yu)移動(dong)及擺(bai)放并(bing)具(ju)強力定位螺絲固(gu)定位置(zhi)。
精(jing)度:
1.解析精度: 溫 度: 0.01 ℃ 濕度：0.1﹪RH
2.控制精(jing)度: 溫 度:(+/-) 0.1℃ 濕(shi)度：(+/-)1.5﹪RH
3.溫度波動度：（+/-）0.5℃
4.溫度偏差：≤±1℃
5.溫度(du)均勻度(du)：≤2.0℃
6.濕(shi)度范圍：（20～98）%RH
標準:
中國國家標準,GB/T 2423.1-2001 低溫   
中國國家標準,GB/T 2423.2-2001 高(gao)溫   
中國(guo)國(guo)家(jia)標(biao)準,GB/T 2423.3-1993 恒(heng)定濕熱試驗方法   
中國國家標準,GB2423.34-86 溫濕度組合循環試驗   
中國國家標準,GB/T2423.4-93方法   
中國國家環境試(shi)驗設(she)備方法(fa),GJB150.9-8 濕(shi)熱試(shi)驗
電工委(wei)員會標準,IEC68-2-03_試驗方法Ca_穩態(tai)濕(shi)熱   
電工委(wei)員(yuan)會標準,IEC68-2-01_試驗方法A_冷   
電工委員會標準(zhun),IEC68-2-02_試驗方法B_干熱
高低溫試驗箱直銷制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)原(yuan)理: 制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)方法分為蒸(zheng)(zheng)(zheng)氣(qi)壓(ya)縮(suo)(suo)式(shi)(shi)(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)、吸(xi)收式(shi)(shi)(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)、蒸(zheng)(zheng)(zheng)氣(qi)噴射(she)式(shi)(shi)(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)、氣(qi)體(ti)(ti)膨(peng)脹式(shi)(shi)(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)、熱(re)電制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)。在上述制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)方法中(zhong)，蒸(zheng)(zheng)(zheng)氣(qi)壓(ya)縮(suo)(suo)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)是(shi)*經(jing)(jing)濟而且應用*廣泛的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)方式(shi)(shi)(shi)，亦是(shi)環境試(shi)驗設備中(zhong)*常使用的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)方式(shi)(shi)(shi)，其(qi)原(yuan)理是(shi)利(li)(li)用氟利(li)(li)昂等(deng)液(ye)體(ti)(ti)的(de)(de)蒸(zheng)(zheng)(zheng)發潛(qian)熱(re)從被(bei)冷(leng)(leng)(leng)(leng)(leng)卻(que)物體(ti)(ti)中(zhong)吸(xi)熱(re)而實現(xian)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)。（單級制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)循環圖(tu)）為蒸(zheng)(zheng)(zheng)氣(qi)壓(ya)縮(suo)(suo)式(shi)(shi)(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)循環過程的(de)(de)示意(yi)圖(tu)。經(jing)(jing)膨(peng)脹閥節流進(jin)(jin)入(ru)蒸(zheng)(zheng)(zheng)發器(qi)的(de)(de)液(ye)體(ti)(ti)，從周圍物體(ti)(ti)中(zhong)吸(xi)取蒸(zheng)(zheng)(zheng)發潛(qian)熱(re)而蒸(zheng)(zheng)(zheng)發，蒸(zheng)(zheng)(zheng)發后變(bian)成低(di)溫低(di)壓(ya)氣(qi)體(ti)(ti)被(bei)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)壓(ya)縮(suo)(suo)機(ji)吸(xi)入(ru)，經(jing)(jing)壓(ya)縮(suo)(suo)機(ji)壓(ya)縮(suo)(suo)后變(bian)成高溫高壓(ya)氣(qi)體(ti)(ti)進(jin)(jin)入(ru)水冷(leng)(leng)(leng)(leng)(leng)或風冷(leng)(leng)(leng)(leng)(leng)冷(leng)(leng)(leng)(leng)(leng)凝器(qi)，在其(qi)中(zhong)冷(leng)(leng)(leng)(leng)(leng)卻(que)成高壓(ya)液(ye)體(ti)(ti)，再經(jing)(jing)膨(peng)脹閥進(jin)(jin)入(ru)蒸(zheng)(zheng)(zheng)發器(qi)。如此往復循環，從低(di)溫處(chu)吸(xi)熱(re)實現(xian)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)，再將(jiang)熱(re)量從高溫處(chu)釋(shi)放出來