-40°C Upright Freezer LUF-B43 is an upright type unit comes with 1008 L of capacity and -40°C of cooling performance. Features -20 to -40°C of temperature control range with high-precision microprocessor temperature control system and platinum resistor temperature sensors. Designed with sprayed high quality steel plated housing and galvanized steel sheet interiors, has 2-layer heat insulating foamed door with rotating handle and 3 shelves. Equipped with international branded compressor and powerful EBM fan with large area-finned condenser, has direct cooling method with manual defrost mode. Incorporated with R290 refrigerant and advanced alarm system, has turn-on delay and stopping interval protection function and keyboard lock function with password protection function. With digital display and standard RS485 interface, supports remote alarm contact along with optional chart recorder and printer to facilitate the temperature monitoring and recording.
| Cabinet Type | Upright |
| Capacity | 1008 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 | R290 |
| Climate Class | N |
| Controller | Microprocessor |
| Display | Digital display |
| Compressor | 2 pcs. |
| Alarm System | High/Low temperature, High ambient temperature, Power failure, Low battery, Sensor failure, Condenser cooling failure, Door ajar, System failure, Main board communication error, Built-in datalogger USB failure |
| External Material | High quality steel plates with spraying |
| Internal Material | Galvanized steel sheet |
| Insulation thickness | 130 mm |
| Shelves | 3 (stainless steel) |
| Casters | 4 (2 leveling feet) |
| Door lock with Key | Yes |
| Access Port | 3 pcs. Φ 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 | 8.5 A |
| Internal Dimension (W×D×H) | 1022×696×1378 mm |
| External Dimension (W×D×H) | 1362×1025×2002 mm |
| Packaging Dimension (W×D×H) | 1473×1155×2176 mm |
| Net Weight | 320 kg |
| Gross Weight | 440 kg |
We manufacture extensive range of freezers with advanced technology suited to different industries. Our -25°C Chest Freezers deliver high performance and ensure safe storage of your samples. These are used in various sectors including clinical, biological and pharmaceutical industries
We offer one of the most comprehensive ranges in the industry including chest freezers and upright freezers of various capacities depending on the need. We believe in understanding our customer’s requirements and meeting them with safe, reliable storage environments that ensures the safety of blood products, reagents, medications and samples.
With innovation and advanced technology, we produce wide variety of freezers which are made up of high quality stainless steel. These freezers are easy to install and equipped with door locking system to prevent any unauthorized access.



Labtron produces wide zone of freezers with microprocessor-based temperature controller to maintain uniform temperature and alarm system for safe usage. Designed with adjustable stainless steel shelves to provide maximum storage space.




We are a leading supplier of freezers to various industries. Our freezers are designed with double silicon gasket seal inner door which prevents loss of cold air and 72 hours battery backup for printer and controller display.



As a leading supplier of freezers, we are committed to provide uninterrupted services to our customers. Our highly freezers are made up of supreme quality stainless steel which requires less maintenance.


Labtron manufactures freezers of wide ranges and supreme quality which suits the different requirements of customers. Our freezers are user friendly, reliable and ensure safe preservation of all kinds of biological samples.


We have extensive range of freezers with advanced technology suited to different industries. Our products deliver high performance and ensure safe storage of your samples. These are used in various sectors including clinical, biological and pharmaceutical industries
We have one of the most comprehensive ranges in the industry including chest freezers and upright freezers of various capacities depending on the need. We believe in understanding our customer’s requirements and meeting them with safe, reliable storage environments that ensures the safety of blood products, reagents, medications and samples.

Labtron provides wide zone of freezers with microprocessor-based temperature controller to maintain uniform temperature and alarm system for safe usage. Designed with adjustable stainless steel shelves to provide maximum storage space.











