-40°C Upright Freezer LUF-B11 is a direct cooling comprised microprocessor controlled upright type unit, offers 439 L of capacity with -40°C of cooling performance and -20 to -40°C of temperature control range. Designed with powder coated material housing and stainless-steel interior with 7 adjustable shelves. With manual defrost mode and R507 refrigerant, features high-efficient EBM fan and compressor along with standard RS485 interface and remote alarm contact. Equipped with digital display and built-in advanced alarm system, has external door handle and padlock to prevent unauthorized access.
Get Catalog| Cabinet Type | Upright |
| Capacity | 439 L |
| Temperature Range | -20˚ to -40˚C |
| Ambient Temperature | 16˚ to 32˚C |
| Cooling Performance | -40˚C |
| Cooling Method | Direct cooling |
| Defrost Mode | Manual |
| Refrigerant | R507 |
| Climate Class | N |
| Controller | Microprocessor |
| Display | Digital display |
| Compressor | 1 pc |
| Alarm System | High/Low temperature, High ambient temperature, Power failure, Low battery, Sensor failure, USB data-log failure, communication error, Door ajar |
| External Material | Powder coated material |
| Internal Material | Stainless steel |
| Insulation thickness | 100 mm |
| Shelves | 7 (ABS) |
| Casters | 4 (2 caster with brake) |
| Door lock with Key | Yes |
| External Lock | Yes |
| Access Port | 1 pc. Ø 25 mm |
| Data Logging/Interval/Recording Time | USB/Record every 10 minute / 2 years |
| Backup Battery | Yes |
| Power Supply | 220 to 240 V 50 Hz |
| Rated Current | 3.7 A |
| Internal Dimension (W×D×H) | 650×547×1305 mm |
| External Dimension (W×D×H) | 910×755×1945 mm |
| Packaging Dimension (W×D×H) | 990×855×2070 mm |
| Net Weight | 175 kg |
| Gross Weight | 200 kg |
-40°C Upright Freezer is used for scientific research, cryogenic test on special materials, low temperature resistance test on biological materials, vaccines, biological products and military products, etc. across research institutions, the electronic industry, the chemical industry, hospitals, the health,& disease prevention system, laboratories in colleges & universities, military enterprises, etc.
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| Core temperature | ≤ (-30) ℃ |
| Temperature control range | (-70) ℃ ~ 100 ℃ |
| Temperature fluctuation range | ± 0.5 ℃ |

| Core temperature | ≤ (-30) ℃ |
| Temperature control range | (-70) ℃ ~ 100 ℃ |
| Temperature fluctuation range | ± 0.5 ℃ |
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