Ultra Low Temperature Freezer NULF-600 features a substantial internal capacity of 566 liters for high-volume storage. It offers a dual cooling system to ensure temperature stability and backup. This unit includes four inner doors to minimize cold air loss during access. It incorporates password protection with a screen lock for secure operation. Our freezer integrates a high-definition LED microcomputer controller for accurate monitoring.
| Type |
Free standing |
| Capacity (Cu.Ft/L) |
19.99ft³(566L) |
| 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 |
4 |
| No. of racks |
16 |
| No. of boxes |
400 |
| No. of vials (2ml) |
40000 |
| 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 |
48 dB(A) |
| Power consumption |
7.95 kWh/24h |
| Power supply |
115V/60Hz, 220 to 240V/60Hz, 220 to 240V/50Hz |
| Internal dimension |
600×720×1310 mm |
| External dimension |
870×950×1980 mm |
FAQ for Ultra Low Temperature Freezer NULF-600
1: Can the Ultra Low Temperature Freezer NULF-600 connect to external monitoring systems?
Our Ultra Low Temperature Freezer comes with RS232/485 ports and a USB interface, allowing connection to data logging and remote monitoring systems. This ensures better tracking and compliance.
2: Is the Ultra Low Temperature Freezer NULF-600 easy to organize and access samples?
Our Ultra Low Temperature Freezer includes three shelves, 16 cryo racks, and four inner doors that minimize cold air loss during access. The internal space supports up to 400 cryoboxes, making organization efficient.
3: How often should the Ultra Low Temperature Freezer be defrosted?
The Ultra Low Temperature Freezer uses a manual defrost system, so regular defrosting is necessary to prevent ice buildup. Depending on usage, it is recommended to defrost every few months or when ice begins to affect storage capacity.
4: How can I clean the interior of the Ultra Low Temperature Freezer NULF-600?
It is advised to clean the stainless-steel interior with a soft cloth and mild, non-corrosive disinfectant. Always turn off and unplug the unit before cleaning to ensure safety.
5: What should be done during a power outage?
The Ultra Low Temperature Freezer includes an automatic restart function and a power failure alarm. Make sure backup power solutions are in place for extended outages to protect stored materials.