Ultra Low Temperature Freezer NULF-601 is designed as a free-standing unit with a large internal capacity of 721 liters. It uses eco-friendly refrigerants to support sustainable and safe operation. This unit provides two access ports for easy insertion of probes or external sensors. It includes a heated vacuum release mechanism that allows effortless door opening. Our freezer is equipped with lockable caster wheels to ensure secure mobility and placement stability.
| Type | Free standing |
| Capacity (Cu.Ft/L) | 25.46ft³(721L) |
| Temperature range | -40 to -86°C |
| Ambient temperature range | +5 to +30°C |
| Uniformity | ±3 (set at -80℃) |
| Cooling type | Direct cooling, Manual defrost |
| Refrigerant | HC gas (R600a/R1150/R50) |
| Cooling system | Dual cooling system |
| No. of shelves | 3 |
| No. of inner doors | 4 |
| No. of compressors | 2 |
| No. of racks per shelf | 5 |
| No. of racks | 20 |
| No. of boxes | 500 |
| No. of vials (2ml) | 50000 |
| Caster/foot | Lockable caster |
| Access port | 2 |
| Controller | LED microcomputer controller with Pt100 sensor |
| Display | LED, display accuracy 0.1 |
| Controller security | Screen lock with passwords |
| Inverter compressor | Yes |
| Heated vacuum release | Yes |
| Remote alarm | Yes |
| High/low temperature alarm | Yes |
| Condenser dirty alarm | Yes |
| Power failure alarm | Yes |
| Sensor error alarm | Yes |
| Low battery alarm | Yes |
| High ambient temperature alarm | Yes |
| Door ajar alarm | Yes |
| RS232/485 | Yes |
| USB | Yes |
| Internal material | Stainless steel |
| External material | Powder-coated galvanized sheet |
| Inner door material | Powder-coated galvanized sheet |
| Insulation | Polyurethane + LBA+ VIP panel |
| Insulation thickness | 90mm |
| Type of cryobox | 2' cryobox; 10×10 |
| Type of cryorack | 5×5 |
| Noise Level | 50 dB(A) |
| Power consumption | 8.86 kWh/24h |
| Power supply | 115V/60Hz, 220 to 240V/60Hz, 220 to 240V/50Hz |
| Internal dimension | 765×720×1310 mm |
| External dimension | 1035×950×1980 mm |
Ultra Low Temperature Freezer NULF-601 is used for the long-term preservation of biological samples, medical materials, and sensitive electronic components at ultra-low temperatures. It is ideal for clinical labs, hospitals, research institutes, blood banks, pharmaceutical facilities, and electronic or biomedical engineering environments.
