| Model | BDF-150H138 | BDF-150H226 | 
| Capacity | 138L | 226L | 
| Temp. Range | -125~-150℃ | 
| Temp. Accuracy | 0.1℃ | 
| Temp. Uniformity | ≤6℃ | 
| Temp. Stability | ≤7℃ | 
| Control System | Microprocessor control | 
| Display | LCD touch screen | 
| Alarm | High and low temperature alarm, condenser overheating alarm, power failure alarm, sensor fault alarm, ambient temperature alarm | 
| Refrigeration Type | Direct-cooling | 
| Refrigerant | Hydrocarbon mixture refrigerant | 
| Compressor | International famous brand compressor/2 | 
| Condenser&Evaporator | Copper tube aluminum fin type condenser; built-in copper coil evaporator | 
| Defrost | Manual defrost | 
| Construction | Cyclopentane polyurethane foam layer +VIP board | 
| Material 
 | Internal Material | Stainless steel | 
| External Material | Galvanized steel powder spraying | 
| Door | Outer door*1, inner door*2 | 
| Consumption | 1500W | 2000W | 
| Power Supply | AC220V, 50Hz(Standard); 220V, 60Hz, 110V, 60Hz(Optional) | 
| Casters | Yes | 
| Shelf | / | 
| Standard Accessory | Test hole, USB | 
| Optional Accessory | Chart temperature recorder, freezer rack and freezer box, liquid nitrogen backup system | 
| Internal Size(W*D*H) | 630*440*500mm | 780*580*500mm | 
| External Size(W*D*H) | 1360*800*1000mm | 1510*940*1000mm | 
| Package Size(W*D*H) | 1420*840*1150mm | 1570*980*1150mm | 
| Net Weight | 190kg | 230kg | 
| Gross Weight | 230kg | 280kg |