Labotemp Ultra Low Temperature Freezer ULF-21, from a trusted ULT freezer manufacturer, is a high-capacity vertical ultra low freezer for reliable −40°C to −86°C storage in biomedical research labs, hospitals, biobanks and pharmaceutical facilities. With 938 L capacity, dual Secop compressors and microprocessor control with LED, this ULT freezer maintains 0.1°C accuracy to protect vaccines, enzymes, plasma and sensitive samples.
Engineered for continuous use, the ULF-21 uses direct refrigeration with HFC refrigerant and copper heat exchangers for uniform cooling. A unibody frame with 120 mm rigid polyurethane insulation, 304 stainless interior and anti-bacterial coated exterior ensures hygiene, durability and thermal efficiency. Four inner doors, three stainless shelves, a lockable outer door, balance port and four casters enable organized, secure and mobile operation, backed by multi-level audible/visual alarms for R&D.
Why Choose Labotemp ULT Freezer ULF-21?
✓ High-capacity performance: 938 L with dual compressors for stable cooling.
✓ Precision monitoring: Microprocessor control with 0.1°C accuracy and LED.
✓ Advanced safety: Multi-level alarms, lockable design and insulated construction.
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Model : ULF-21 Model |
ULF-21 |
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Capacity : 938L Capacity |
938L |
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Temperature Range : -40~-86ºC Temperature Range |
-40~-86ºC |
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Temperature Accuracy : 0.1 ºC Temperature Accuracy |
0.1 ºC |
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Compressor : Secop (2 sets) Compressor |
Secop (2 sets) |
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Power Supply : AC110V/220V±10%, 50/60Hz Power Supply |
AC110V/220V±10%, 50/60Hz |
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Consumption : 1150w Consumption |
1150w |
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Power consumption : 16.8 kw.h/24h Power consumption |
16.8 kw.h/24h |
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Type : Vertical Type |
Vertical |
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Alarm : Audible and Visual Alarm Alarm |
Audible and Visual Alarm |
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External Size (W*D*H)mm : 1240*1000*2000mm External Size (W*D*H)mm |
1240*1000*2000mm |
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Internal Size (W*D*H)mm : 1000*700*1335mm Internal Size (W*D*H)mm |
1000*700*1335mm |
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Control System : Microprocessor control, LED Display Control System |
Microprocessor control, LED Display |
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Refrigeration type : Direct refrigeration Refrigeration type |
Direct refrigeration |
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Refrigerant : HFC Mixture refrigerant Refrigerant |
HFC Mixture refrigerant |
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Condenser & Evaporator : Made of copper Condenser & Evaporator |
Made of copper |
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Structure : Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material) Structure |
Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material) |
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Internal Material : 304 stainless steel Internal Material |
304 stainless steel |
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External Material : Cold-rolled steel with anti-bacteria powder coating External Material |
Cold-rolled steel with anti-bacteria powder coating |
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Door : Lockable door Door |
Lockable door |
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Caster : 4 casters Caster |
4 casters |
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Insulation thickness : 120 mm Insulation thickness |
120 mm |
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Inner Door : 4 Inner Door |
4 |
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Shelf : 3 pcs,304 stainless steel Shelf |
3 pcs,304 stainless steel |
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Balance hole : 1, φ18mm Balance hole |
1, φ18mm |
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Package size (W*D*H)mm : 1325*1070*2170mm Package size (W*D*H)mm |
1325*1070*2170mm |
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Net Weight : 320 kg Net Weight |
320 kg |
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Gross Weight : 405 kg Gross Weight |
405 kg |
Type: Vertical
Temp.Range: -40~-86ºC
Temp. Accuracy: 0.1 ºC
Shelf : 1 pcs
Type : Vertical
Temperature Range: -40~ -86ºC
Temperature Accuracy : 0.1 ºC
Shelf : 1 pcs
Type: Horizontal type
Thermostat brand: KELD
Temperature Range: -60~-86ºC, adjustable
Temperature Accuracy: 0.1 ºC
Type : Vertical
Temperature Range: -60~-86ºC
Temperature Accuracy : 0.1 ºC
Temp. Test Port: 1, φ30mm
Type : Vertical
Temperature Range : -40~ -86ºC
Temperature Accuracy : 0.1 ºC
Structure: Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material)
Type : Horizontal type
Thermostat brand : KELD
Temperature Range: -60~-86ºC, adjustable
Temperature Accuracy: 0.1 ºC
Voltage : 220V 50Hz
Thermostat : Electronic
Temperature range : -86°C,adjustable
Package size: 950x980x1885mm
Type : Vertical
Temperature Range : -40~ -86ºC
Temperature Accuracy : 0.1 ºC
Structure: Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material)
Type : Vertical
Temperature Test Port : 1, φ25mm
Temperature Range : -40~ -86ºC
Temperature Accuracy : 0.1 ºC
Type: Horizontal type
Thermostat brand : KELD
Temperature Range: -60~-86ºC, adjustable
Temperature Accuracy : 0.1 ºC
Type: Vertical
Temperature Range: -40~-86 Degree
Temperature Accuracy: 0.1 ºC
Structure: Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material)
Type: Vertical
Temperature Range : -40~ -86ºC
Temperature Accuracy: 0.1 ºC
Structure: Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material)
Type : Vertical
Temperature Range : -40~ -86ºC
Temperature Accuracy: 0.1 ºC
Structure : Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material)
Type: Vertical (Upright Ultra-Low Temperature Freezer)
Temperature Range: -40°C ~ -86°C
Temperature Accuracy: 0.1°C
Structure: Unibody design & mono-assembly foaming (rigid polyurethane insulation)
Type : Vertical
Temperature Range : -40~-86ºC
Temperature Accuracy : 0.1 ºC
Structure : Unibody Design & Mono-assembly foaming (Rigid polyurethane insulation material)
Volume: 25 L
Temperature Range: +18°C to –86°C
Temperature Control Accuracy: Target temperature ±2°C
Steady-State Power Consumption: 75 W
Temperature Range: -40° to -86 °C
Refrigerant: Mixed
Power Supply: 220 V / 50 Hz
Power: 400 W
Voltage and Frequency: 220V ±10%, 50Hz
USB Data Download Port: Yes
Test Holes: 2
Temperature Range: -40°C to -86°C
Test Hole: 2
Temperature stability : +/- 5°C
Temperature Range: -40°C to -86°C
Temperature Accuracy: 0.1°C
Temperature Sensor: PTC
Temperature Range: -86°C
Temperature Control: Digital Controller
Refrigeration System: Single-stage
Voltage / Frequency: 220V ±10%, 50Hz
Test Hole: 1
Temperature Range: -60 ~ -86 °C
Shipping Size (W×D×H): 1500 × 830 × 1080 mm
Temperature Range: -40°C to -86°C
Sound Emission: 53 dB
Shipping Size (W×D×H): 1330 × 1020 × 2200 mm
Shelves Quantity: 3
Voltage: 220V50Hz/110V60Hz
Type: Chest/Deep Freezer
Transport Package: Plywood Box
Thermostat: Keld Brand
Voltage: 220V/50Hz
Type : Horizontal
Thickness of foaming layer: 100mm
Temperature Range: -40°c to -80°c, Adjustable
Voltage: DC 12V / 24V
Type: Box Type
Thickness of foaming layer : 100mm
Temperature display : Digital Data Display
Voltage : 220V50Hz/ 110v 60Hz
Type : Horizontal
Thickness of foaming layer : 100mm
Temperature range : -40°C to -80°C, adjustable
Voltage: 220V50Hz/ 110v 60Hz
Type : Horizontal
Thickness of foaming layer : 100mm
Temperature range: -40°C to -80°C, adjustable
Voltage: 220V/50Hz
Type : Horizontal
Thickness of foaming layer : 100mm
Temperature range: -40°C to -80°C, adjustable
Voltage: 220V/50Hz
Type : Horizontal
Thickness of foaming layer : 150mm
Temperature range: -86°C to -105°C, Adjustable
Voltage : 220V/50Hz
Type : Horizontal
Thickness of foaming layer : 150mm
Temperature range : -86°C to -105°C, Adjustable
Voltage : 220V/50Hz
Type : Horizontal
Thickness of foaming layer : 150mm
Temperature range: -86°C to -105°C, Adjustable
Temperature Sensor(Quick-Freezing Unit): PT100
Temperature Sensor(Plasma Blast Freezer ): PT1000
Temperature Range(Quick-Freezing Unit): -80°C to Room Temperature
Temperature Range(Plasma Blast Freezer ): -40°C to -86°C
