Ultra Low Temperature Freezer NULF-500 offers a total capacity of 128 liters and operates within a temperature range of -40°C to -86°C. It is designed with a single shelf to organize stored materials efficiently. This unit features an auto cascade cooling system for stable and energy-efficient performance. It has a high-definition LED display that ensures clear visibility from a distance. Our freezer includes multiple visual and audible alerts to enhance monitoring and ensure safety.
| Type |
Undercounter |
| Capacity (Cu.Ft/L) |
4.52ft³(128L) |
| 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 |
Auto cascade |
| No. of shelves |
1 |
| No. of inner doors |
2 |
| No. of compressors |
1 |
| No. of racks per shelf |
3 |
| No. of racks |
6 |
| No. of boxes |
90 |
| No. of vials (2ml) |
9000 |
| Caster/foot |
Foot, 2 wheels |
| Access port |
1 |
| 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 |
80mm |
| Type of cryobox |
2' cryobox; 10×10 |
| Type of cryorack |
5×3 |
| Noise Level |
47 dB(A) |
| Power consumption |
4.95 kWh/24h |
| Power supply |
115V/60Hz, 220 to 240V/60Hz, 220 to 240V/50Hz |
| Internal dimension |
440×460×630 mm |
| External dimension |
860×678×818 mm |
FAQ for Ultra Low Temperature Freezer NULF-500
1: What materials and design features ensure durability?
Our Ultra Low Temperature Freezer is built with a stainless-steel interior and a powder-coated galvanized sheet exterior. The robust insulation of polyurethane, LBA, and VIP panels ensures excellent thermal performance and durability.
2: Is the Ultra Low Temperature Freezer NULF-500 suitable for transporting or moving?
Our Ultra Low Temperature Freezer features a foot base with two wheels for limited mobility, which helps in repositioning within labs when needed. However, it is primarily designed for stationary use in undercounter settings.
3: What items can be stored in this Ultra Low Temperature Freezer NULF-500?
The Ultra Low Temperature Freezer is suitable for preserving red and white blood cells, viruses, bacteria, tissues, biological products, and specialized materials. It supports storage of up to 9000 vials in 2 ml format.
4: How often should the Ultra Low Temperature Freezer NULF-500 be defrosted?
Our Ultra Low Temperature Freezer uses a manual defrost system, so regular defrosting is necessary to maintain optimal performance. Defrosting should be done when frost buildup becomes visible or as recommended in the user manual.
5: What is the best way to clean the interior of the Ultra Low Temperature Freezer?
It is recommended to clean the interior with a soft cloth and mild disinfectant after defrosting. Avoid using sharp tools or harsh chemicals, as they may damage the stainless-steel surface.
