



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
| model | BGDW-80L | BGDW-100L | BGDW-150L | BGDW-225L | BGDW-408L | BGDW-800L | BGDW-1000L |
| -20°C, -40°C, -70°C | -20°C, -40°C, -70°C | -20°C, -40°C; -70°C | -20°C, -40°C; -70°C | -20°C, -40°C, -70°C | -20°C, -40°C, -70°C | -20°C, -40°C, -70°C | |
| temperature range | -20°C: -20°C~+150°C -40°C: -40°C~+150°C -70°C: -70°C~+150°C | ||||||
| temperature fluctuation | ≤0.5°C (temperature fluctuation is half of the difference between the highest temperature and the lowest temperature measured at the central point) | ||||||
| temperature error | ≤±1°C (the average temperature displayed by the studio temperature controller minus the average temperature measured at the central point) | ||||||
| temperature uniformity | ≤2.0°C (The temperature uniformity is the arithmetic mean of the difference between the highest temperature and the lowest temperature measured in each test) | ||||||
| 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) | ||||||
| Internal volume | 80L | 100L | 150L | 225L | 408L | 800L | 1000L |
| Inner box size W*H*D | 400*500*400 | 500*500*400 | 500*600*500 | 600*750*500 | 800*850*600 | 1000*1000*800 | 1000*1000*1000 |
| Outer box size W*H*D | 900*1580*950 | 1000*1580*950 | 1000*1650*1050 | 1100*1800*1050 | 1300*1900*1150 | 1500*2050*1350 | 1500*2050*1550 |
| Weight KG | 200 | 230 | 250 | 300 | 400 | 600 | 700 |
| Do not test product | It is forbidden to test products that may produce flammable, explosive, volatile, highly toxic, corrosive and radioactive substances | ||||||