




1. Enclosure Material: cold plate baking paint
2. Inner wall material: good mirror stainless steel plate
3. Box insulation material: glass fiber
4. Single hinged door (left hinge, right handle when facing the cabinet), equipped with observation window, lighting, window frame/door frame anti-condensation electric heating device
5. Control panel: controller display screen, U disk interface, RS232 computer communication interface, power switch, status indicator light and sound and light alarm device
6. Unit: refrigeration unit, water tray, drain hole, condensing fan, condenser air inlet, water supply tank
7. Power distribution: IO board, machine tool transformer, ballast, intermediate relay, solid state relay, AC contactor, thermal relay, fuse, under-reverse phase relay, air switch
8. The control system automatically adjusts the energy-saving Operating Conditions of the refrigerator according to the test conditions
9. The cooling capacity of the evaporator is switched by the solenoid valve driven by the control system
It is used for the reliability test of high, low temperature, constant humidity and heat of industrial products. For components and materials of related products such as electronics, automobiles and motorcycles, aerospace, ship weapons, colleges and universities, scientific research units, etc., test their various performance indicators under the conditions of high-low temperature cycles and constant humidity and heat changes. The product has a wide range of temperature control, and its performance indicators have reached the technical conditions of the national standard GB10592-89 high-low Temperature Test Chamber, which is suitable for environmental testing of electrical and electronic products according to GB2423.1, GB2423.2, and GB2423.3. Test A: low temperature Test method Test B: High temperature test method C: Constant damp heat test method "Carry out low temperature, high temperature and constant damp heat tests on the product. The products comply with GB2423.1, GB2423.2, GJB150.3, GJB150.4, IEC, MIL standards.
| model | volume | Inner box size | Carton size |
| BGDW-80L | 80L | 400*500*400mm | 900*1580* 950mm |
| BGDW-100L | 100L | 500*500* 400mm | 1000*1580* 950mm |
| BGDW-150L | 150L | 500*600* 500mm | 1000*1650* 1050mm |
| BGDW-225L | 225L | 600*750* 500mm | 1100*1800* 1050mm |
| BGDW-408L | 408L | 800*850* 600mm | 1300*1900* 1150mm |
| BGDW-800L | 800L | 1000*1000* 800mm | 1500*2050* 1350mm |
| BGDW-1000L | 1000L | 1000*1000* 1000mm | 1500*2050* 1550mm |
| Other parameters | |||
| temperature range | -20°C: -20°C~+150°C; -40°C: -40°C~+150°C; -70°C: -70°C~+150°C | ||
| temperature error | ≤±1℃ | ||
| temperature fluctuation | ≤0.5℃ | ||
| temperature uniformity | ≤2.0℃ | ||
| Heating time | 3°C/min (non-linear no-load) | ||
| cooling time | 0.75~1℃/min (non-linear no-load) | ||
| Relative Humidity error | ±2.5%RH | ||
| Humidifier power | 2.5KW | ||
| Way of working | The 0℃~-40℃ model adopts one-stage compression, and the -40℃~-70℃ adopts a two-element cascade refrigeration method | ||
| Refrigeration Compressors | Fully enclosed low noise rotary compressor | ||
| condenser | Air-cooled type: external fin and internal thread tube heat exchanger (water-cooled type: shell-and-tube heat exchanger) | ||