| 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 |
FAQ for Ultra Low Temperature Freezer NULF-601
1: What kind of security features are included?
The Ultra Low Temperature Freezer is equipped with password-protected access, a screen lock feature, and comprehensive alarm systems. These include alerts for power failure, door ajar, high/low temperature, and sensor errors.
2: How is temperature monitoring handled?
Our Ultra Low Temperature Freezer comes with a high-definition LED microcomputer controller and Pt100 sensor for precise monitoring. The display offers 0.1°C accuracy and is visible even from a distance.
3: How durable is the construction of the Ultra Low Temperature Freezer NULF-601?
The interior is made of stainless steel, and the exterior is powder-coated galvanized sheet metal, offering strong corrosion. The insulation is 90mm thick, ensuring long-term durability and temperature retention.
4: How often should the Ultra Low Temperature Freezer NULF-601 be defrosted?
Since the Ultra Low Temperature Freezer uses a manual defrost system, periodic defrosting is required to maintain optimal performance. Defrosting should be done when noticeable ice buildup occurs inside the chamber.
5: What routine maintenance is recommended?
Basic maintenance includes cleaning the condenser regularly, checking door seals for wear, and inspecting alarms and sensors. Following the user manual ensures long-term reliability and safety.