-40°C Upright Freezer LUF-B20 is designed with two chambers and compressors, offers direct cooling method and manual defrost mode. Features 450 L capacity and -40°C of cooling performance with microprocessor-controlled system for -20 to -40°C of temperature range. Designed with powder coated material exterior and sprayed aluminum plate interior, has R290 refrigerant, CFC-free polyurethane foam technology and thick insulation of 80 mm. Equipped with digital display, advanced alarm system and backup battery, is provided with 6 shelves for each chamber along with RS485 interface and remote alarm contact.
| Cabinet Type | Upright |
| Capacity | 450 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, USB data-log failure, communication error, Door ajar |
| External Material | Powder coated material |
| Internal Material | Aluminum plate with spraying |
| Insulation thickness | 80 mm |
| Shelves | 6×2 (ABS) |
| Casters | 4 (2 caster with brake) |
| Door | 2 |
| Door lock with Key | Yes |
| Access Port | 2 pcs. 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 | 4.5 A |
| Internal Dimension (W×D×H) | 650×570×627 mm (×2) |
| External Dimension (W×D×H) | 810×735×1960 mm |
| Packaging Dimension (W×D×H) | 895×820×2127 mm |
| Net Weight | 144 kg |
| Gross Weight | 156 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.
RS485
Remote alarm contact
Available Range :
Cabinet Type : Upright Cabinet Type : Upright Cabinet Type : Upright Cabinet Type : Upright Cabinet Type : Upright Cabinet Type : UprightRelated Models :
-40°C Upright Freezer LUF-B11
-40°C Upright Freezer LUF-B30
-40°C Upright Freezer LUF-B40
-40°C Upright Freezer LUF-B41
-40°C Upright Freezer LUF-B42
-40°C Upright Freezer LUF-B43
-40°C Upright Freezer LUF-B10
-40˚C Upright Freezer LUF-B23
-40°C Upright Freezer LUF-B31
-40°C Upright Freezers LUF-B22
-40°C Upright Freezers LUF-B24
- 40 °C Upright Freezers LUF-B25
-40°C Upright Freezer LUF-B21
| 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 | Door lock with Key | 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 | 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) | 2 | 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 | 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 | 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) | - | - | 1pcs. Φ 25 mm | - | - | - | - | - | - | - | - | - |
| LUF-B24 | - | 678 L | - | - | - | - | Manual | R507 | - | Microprocessor | Digital display | 2 pcs | - | - | - | 130 mm | 3 (stainless steel) | 4 (2 leveling feet) | - | - | 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 | - | Single | - | - | - | - | 220 V to 240 V /50 Hz to 60 Hz | - | 508×455×1137 mm | 673×676×1630 mm | - | 113 kg | 125 kg |
