-40°C Upright Freezer LUF-B40 is an upright type unit comes with 528 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 | 528 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 | 1 pc. |
| Alarm System | High/Low temperature, High ambient temperature, Power failure, Low battery, Sensor failure, Condenser overheating 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 | 2 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 | 4.45 A |
| Internal Dimension (W×D×H) | 585×696×1266 mm |
| External Dimension (W×D×H) | 930×1041×1947 mm |
| Packaging Dimension (W×D×H) | 1035×1165×2158 mm |
| Net Weight | 234 kg |
| Gross Weight | 305 kg |
An upright type unit with 528 L capacity having -40°C of cooling performance
-20 to -40°C of temperature control range with microprocessor temperature control system
Platinum resistor temperature sensors, ensures precise and uniform temperature
Sprayed high quality steel plated housing and galvanized steel sheet interiors
2-layer heat insulating foamed door with rotating handle, easy operation
3 adjustable shelves, organized and efficient storage of different samples
International branded compressor and powerful EBM fan with large area-finned condenser
Direct cooling method with manual defrost mode, efficient refrigeration conditions
R290 refrigerant, energy efficient and environment friendly
Advanced alarm system with turn-on delay and stopping interval protection function
Keyboard lock function with password protection, prevents unauthorized access
Digital display, convenient setting and monitoring of temperature parameters
Standard RS485 interface and remote alarm contact, easy and convenient operation
Optional chart recorder and printer to facilitate the temperature monitoring and recording
High-efficient, stable and reliable unit for targeted refrigeration of different samples
Air Permeability Tester
Air Shower
Airborne Particle Counters
Alloy Analyzer
Amino Acid Analyzer
Autoclaves
Automatic Glassware Washer
Balances
Ball Mill Machine
Baths and Circulators
Biochemistry Analyzer
Blood Bag Tube Sealer
Blood Collection Monitor
BLOOD THAW MACHINE
Bottle Top Dispenser
Cabinets
Centrifuge
Chillers
Chromatography
CO2 Incubator
Colony Counter
Color Assessment Cabinet
Colorimeters
Dehumidifier
Density Meter
Differential Scanning Calorimeters
Differential Thermal Analyzers
Dispersion Machine
Dosimeter
Drug Detector
Electrophoresis System
Elemental Analyzer
Environmental Monitoring Equipments
ESR Analyzer
Fiber Analysis
Flame Photometer
Flammability Tester
Fluorescence Analyzer
Fluorometer
Freeze Dryers
Freezers
Fume Extractor
Fume Hood
Gel Documentation
Gel Strength Test System
Gene Electroporator
Glassware Drying Cabinet
Handheld Homogenizer
Heating Mantle
HPLC
Hybridization Oven
Hybridization System
Hydrogen Peroxide Generator
Ice Makers
Incubator
IR Carbon Sulphur Analyzer
Jar Testers
Kjeldahl Systems
Lab Refrigerator-Freezer Combination
Laboratory Shakers and Mixers
Laminar Flow Canopy
Laser Theodolite
Latex Stability Tester
Leather Softness Tester
Magnetic Stirrers and Hotplates
Media Dispensing System
Melting Point Apparatus
Metal Detector
Microplate Reader & Washer
Microscope
Microtome
Microwave Digestion System
Milk Analyzers
Moisture Analyzer
Muffle Furnace
Nucleic Acid Purification System
Oil And Grease Analyzer
Opacity Meter
Osmometer
Oven
Oven Incubator
Paraffin Trimmer
Particle Counter
Particle Size Analyzer
Pathology Workstation
Peristaltic Pump
Petroleum Testing Equipment
Pharmaceutical Testing
Plasma Extractor
Plate Sealer
Platelet Agitator and Incubator
Polarimeter
Potentiometric Titrator
Refractometer
Refrigerators
Rotary Evaporator
Safety Containment Cabinets
Sample Concentrator
Scintillation Counter
Semi-automatic Bio-chemistry Analyzer
Slide Dryer
Solar Powered Products
Sound Level Analysis
Soxhlet Apparatus
Spectrometer
Spectrophotometer
Stomacher
Stroboscope
Tachometer
Test Chamber
Testing Instruments
Thermal Cycler
Thermo-Shakers
TOC Analyzer
Tube Furnace
Ultrasonic Cleaner
Ultrasonic Homogenizer
UV Air Sterilizer
UV Analyzer
UV Pass Box
V-shell Blender
Vacuum Filtration Unit
Vacuum Packing machine
Vacuum Pump
Vacuum Pycnometer
Vacuum Spin Coater
Viscometer
Washer Disinfector
Water Distillers
Water Purification System
Water Purifier
Water Testing
Wind Meter (Anemometer)
X-Ray Machine
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.
Copyright © 2026 Labtron. All rights reserved.