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-40°C Upright Freezer LUF-B11

-40°C Upright Freezer LUF-B11

-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.

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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
  • A direct cooling comprised microprocessor controlled upright type unit
  • 439 L of capacity with -40°C of cooling performance, targeted refrigeration
  • -20 to -40°C of temperature control range, ultra-low temperature freezer
  • Powder coated material housing and stainless-steel interior, easy maintenance
  • 7 adjustable shelves, efficient and organized storage of different samples
  • Manual defrost mode and R507 refrigerant, efficient and environment-friendly
  • High-efficient EBM fan and compressor, stable operation with low noise
  • Standard RS485 interface and remote alarm contact, facilitate operation
  • Digital display with 0.1℃ display precision, convenient setting and observation
  • Built-in advanced alarm system, ensure safe and stable operation
  • External door handle and padlock to prevent unauthorized access
  • Anti-corrosive ultra-low freezer with strong cooling features and operation

-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.

RS485
Remote alarm contact

Compare Models

Model Cabinet Type Capacity Temperature Range Ambient Temperature Cooling Performance Cooling Method Defrost Mode Refrigerant Climate Class Controller Display Compressor Alarm System External Material Internal Material Insulation thickness Shelves Casters Door lock with Key External Lock Access Port Data Logging/Interval/Recording Time Backup Battery Power Supply Rated Current Internal Dimension (W×D×H) External Dimension (W×D×H) Packaging Dimension (W×D×H) Net Weight Gross Weight
LUF-B11 Upright 439 L -20˚ to -40˚C 16˚ to 32˚C -40˚C Direct cooling Manual R507 N Microprocessor Digital display 1 pc High/Low temperature, High ambient temperature, Power failure, Low battery, Sensor failure, USB data-log failure, communication error, Door ajar Powder coated material Stainless steel 100 mm 7 (ABS) 4 (2 caster with brake) Yes Yes 1 pc. Ø 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V 50 Hz 3.7 A 650×547×1305 mm 910×755×1945 mm 990×855×2070 mm 175 kg 200 kg
LUF-B30 Upright 90 L -20˚ to -40˚C 16˚ to 32˚C -40˚C Direct cooling Manual R290 N Microprocessor Digital display 1 pc High/Low temperature, Sensor failure, Door ajar Powder coated material Aluminum plate with spraying 100 mm 3 (ABS) 2+ 2 (leveling feet) Yes - 1 pc Ø 25 mm - - 220 V 50 Hz 1.33 A 500×485×532 mm 700×669×854 mm 765×735×935 mm 54 kg 60 kg
LUF-B40 Upright 528 L -20 to -40°C 16 to 32°C -40°C Direct cooling Manual R290 N Microprocessor Digital display 1 pc. 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 High quality steel plates with spraying Galvanized steel sheet 130 mm 3 (stainless steel) 4 (2 leveling feet) Yes - 2 pcs. Φ 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V, 50 Hz 4.45 A 585×696×1266 mm 930×1041×1947 mm 1035×1165×2158 mm 234 kg 305 kg
LUF-B41 Upright 678 L -20 to -40°C 16 to 32°C -40°C Direct cooling Manual R290 N Microprocessor Digital display 2 pcs. 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 High quality steel plates with spraying Galvanized steel sheet 130 mm 3 (stainless steel) 4 (2 leveling feet) Yes - 3 pcs. Φ 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V, 50 Hz 8.37 A 750×696×1286 mm 1090×1025×1955 mm 1203×1155×2171 mm 258 kg 342 kg
LUF-B42 Upright 778 L -20 to -40°C 16 to 32°C -40°C Direct cooling Manual R290 N Microprocessor Digital display 2 pcs. 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 High quality steel plates with spraying Galvanized steel sheet 130 mm 3 (stainless steel) 4 (2 leveling feet) Yes - 3 pcs. Φ 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V, 50 Hz 8.47 A 865×696×1286 mm 1205×1025×1955 mm 1320×1155×2171 mm 286 kg 386 kg
LUF-B43 Upright 1008 L -20 to -40°C 16 to 32°C -40°C Direct cooling Manual R290 N Microprocessor Digital display 2 pcs. 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 High quality steel plates with spraying Galvanized steel sheet 130 mm 3 (stainless steel) 4 (2 leveling feet) Yes - 3 pcs. Φ 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V, 50 Hz 8.5 A 1022×696×1378 mm 1362×1025×2002 mm 1473×1155×2176 mm 320 kg 440 kg
LUF-B10 Upright 270 L -20˚ to -40˚C 16˚ to 32˚C -40°C Direct cooling Manual R290 N Microprocessor Digital display 1 pc High/low temperature, sensor failure, door ajar Powder coated material Aluminum plate with spraying 100 mm 7 (ABS) 2+ 2 (leveling feet) Yes - 1 pc. Ø 25 mm - - 220 to 240 V 50 Hz 2.8 A 500×460×1235 mm 700×640×1792 mm 760×720×1885 mm 90 kg 102 kg
LUF-B20 Upright 450 L -20˚ to -40˚C 16˚ to 32˚C -40˚C Direct cooling Manual R290 N Microprocessor Digital display 2 pcs. High/Low temperature, High ambient temperature, Power failure, Low battery, Sensor failure, USB data-log failure, communication error, Door ajar Powder coated material Aluminum plate with spraying 80 mm 6×2 (ABS) 4 (2 caster with brake) Yes - 2 pcs. Ø 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V 50 Hz 4.5 A 650×570×627 mm (×2) 810×735×1960 mm 895×820×2127 mm 144 kg 156 kg
LUF-B23 Upright 528 L -20˚ to -40˚C 16˚ to 32˚C -40˚C Direct cooling Manual R507 N Microprocessor Digital display 1 pc High/low temperature, power failure, open door, condenser cooling failure, alarm system failure, main board communication error, high ambient temperature High Quality Steel plates with spraying Galvanized steel sheet 130 mm 3 4 (2 leveling feet) Yes Yes 2pcs. Ø 25 mm USB/Record every 10 minute / 2 years Yes 220 V 50 Hz 2.66 A 585×696×1266 mm 930×1041×1947 mm 1035×1165×2145 mm 234 kg 272 kg
LUF-B31 Upright 1008 L -20˚ to -40˚C 16˚ to 32˚C - Direct cooling Manual R290 N Microprocessor Digital display 2 pcs High/Low temperature, High ambient temperature, Power failure, Low battery Sensor failure, Condenser overheating alarm, Door ajar, System failure, Main board communication error, Built-in datalogger, USB failure High Quality Steel plates with spraying Galvanized steel sheet 130 mm 3 (stainless steel) 4 (2 leveling feet) Yes Yes 3 pcs. Ø 25 mm USB/Record every 10 minute / 2 years Yes 220 to 240 V 50 Hz 8.5 A 1022×696×1378 mm 1362×1025×2002 mm 1473×1155×2176 mm 320 kg 440 kg
LUF-B22 - 270 L - - - - Manual R290 - Microprocessor Digital display 1 - - - 100 mm 7 (ABS) 2+ (2 leveling feet) - Yes 1pcs. Φ 25 mm - - - - - - - - -
LUF-B24 - 678 L - - - - Manual R507 - Microprocessor Digital display 2 pcs - - - 130 mm 3 (stainless steel) 4 (2 leveling feet) - Yes 2pcs. Φ 25 mm - Yes - - - - - - -
LUF-B25 - 778 L - - - - - R507 - - Digital 1 pc - - - 130 mm - - - - - - - - - - - - - -
LUF-B21 Upright - -20°C to -40°C - -40°C - Manual CFC Free - - LED - - - - - 4 - - - - - - 220 V to 240 V /50 Hz to 60 Hz - 508×455×1137 mm 673×676×1630 mm - 113 kg 125 kg

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