适用于航空航天产品，船舶兵器、高等校院、汽车、摩托车、信息电子、仪器仪表、材料、电工、电子产品及各种电子元器件在高低温或湿热（交变）循环变化环境下，检验其各项性能指标。
型号Model 技术参数 Tech. parameters | SGD-2005A，B and C SGDJ-2005A，B and C SGDL-2005A，B and C SGDLJ-200A，B and C | SGD-2010 A，B and C SGDJ- 2010 A，B and C SGDL-2010 A，B and C SGDLJ-2010 A，B and C | SGD-2025 A，B and C SGDJ-2025 A，B and C SGDL-2025 A，B and C SGDLJ-2025 A，B and C | SGD-2050 A，B and C SGDJ-2050 A，B and C SGDL-2050 A，B and C SGDLJ-2050 A，B and C |
容积Volume | 50L | 100L | 250L | 500L |
温度范围Temp. range | A：-20～+100℃ B：-40～+100℃ C：-60～+130℃ |
湿度范围Humidity range | 45～98%RH（30～98%RH） |
温度波动度Temp. fluctuation | ±0.5℃ |
温度均匀度Temp.homogeneity | ±2℃ |
温度偏差Temperature deviation | 高温High temp.≤±2.0℃ 低温Low temp.≤±3.0℃ |
升温时间Temp. rise time | -40℃→+100℃ 60min以内 -40℃→+100℃ within 60min |
降温时间Temp. drop time | -20℃→-40℃ 60min以内 -20℃→-40℃ within 60min |
制冷系统Refrigeration system | 制冷方式 Refrigerating mode | 单级压缩制冷方式（空冷）Single-stage compression refrigerating mode (air cooling) |
制冷机 Refrigerating machine | 原装进口全封闭压缩机Original imported fully-enclosed compressor |
制冷功率 Refrigerating power | 1.1KW | 1.5 KW | 2.25 KW | 4.5 KW |
调温调湿方式 Temp. and humidity regulating mode | 平衡调温调湿方式Balanced temperature and humidity control |
控制器Controller | 进口温湿度数显表Importedtemperature and humidity digital display meter |
运行温湿度偏差 Operating temp. and humidity deviation | |
工作环境温度 Operating ambient temp. | 5℃～35℃ |
内胆尺寸（mm）Dim. ofinternal bladder | 350×320×450 | 500×400×500 | 600×550×750 | 800×700×900 |
电源Power supply | 220V 50Hz | 380V 50Hz |
标准配置Standard configure | 观察窗，样品架（2套），引线孔1个，照明灯1个，时间累时器1个，电源线1根 Observation window,sample holder (2 sets), one wire hole, one illuminating lamp, one timeaccumulator and one power line |
安全装置Safety device | 压缩机过热保护 风机过热保护 超温保护 缺相保护 压缩机超压保护 过载保护 缺水保护Overheat protection of compressor, overheat protection of blower, over-temperature protection,open-phase protection,overpressure protection ofcompressor, overload protection and water shortage protection |