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Freeze dryers are widely used in various fields such as medicine, pharmaceuticals, biological research, chemical industries, and food production. After the freeze-drying process, materials can be preserved for a long time. These products can return to their original state when rehydrated while maintaining their chemical and biological properties. The vacuum freeze drying technology, also known as sublimation drying, involves freezing the samples first and then sublimating the moisture under vacuum conditions.
The LGJ-12S standard type freeze dryer is designed for laboratory experiments. It is ideal for bulk product processing and features heating shelves and programmable functions for enhanced efficiency and control.
Main Features
* English language display on the control panel
* Vacuum levels can be displayed in Pa or mbar
* Acrylic drying chamber for safe and clear viewing of sample status
* Compact and user-friendly design
* High-speed vacuum pump for excellent final vacuum performance
* Electric heating shelves to increase drying speed
* Safety control system for shelf heating to regulate temperature effectively
* Programmable settings to adjust shelf temperature during drying
* Hundreds of recipes with up to 36 segments per recipe
* Condenser with efficient ice capture capability
* Large opening condenser with external coils for pre-freezing function
* USB port for data output in Excel format
* Color LCD touch screen displays running time, sample temperature, condenser temperature, vacuum level, and automatically saves data
* Visualize temperature curves for samples, condenser, and vacuum
* Access historical data and modify storage cycles in real-time
* User-level access control with password protection for better management
* Advanced sensor calibration for accurate measurements over time
* CFC-free refrigerant and high-quality compressor for low noise and high efficiency
* Stainless steel components (condenser, trays, shelves, and pre-freezing shelves) for corrosion resistance
* Stainless steel air inlet valve for safety and durability
* Real-time alarm system with historical fault records for easy maintenance
Technical Parameters :Â Â Â Â
Freeze drying area
0.12m2
0.18m2(optional )
0.24m2 (optional )
Ice condenser capacity
3-4kg /24h
Condenser temperature
-50ºC (-80 ºC optional )
 Final vacuum
< 10 Pa
Shelf
With electric heating function
Shelf temperature
Ambient temperature to +80 ºC
Tray
Ф200mm , 4 layers
Spacing 70mmФ200mm , 6 layers
Spacing 50mmФ200mm , 8 layers
Spacing 35mm
Bulk capacity
1.2L, 10mm thickness
1.8L, 10mm thickness
2.4L, 10mm thickness
Vial capacity Φ12mm
820 pcs
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Vial capacity Φ16mm
460 pcs
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Vial capacity Φ22mm
244 pcs
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Condenser size
Ф220mm, 240mm deep
Drying chamber size
Ф260×430mm
Vacuum Pump Flow Rate
2 L/S, 7.2 m3/h
Defrosting
Off Cycle Defrosting
Cooling
Air cooling, ambient temperature≤25ºC
Voltage
220V/50 Hz,  110V/60Hz,   120V/60Hz
 Power
1400W (-50ºC)
1800W (-80ºC)
Dimension
580x500x(720+430)mm (-50ºC)
770x550x(720+430)mm (-80ºC)
weight
105kg (-50ºC)
155kg (-80ºC)
Vacuum control valve
Intake backfilling filter
Air inlet filter for pump
Nitrogen inflation valve
Eutectic point test device
Electricity heating defrosting
Exhaust filter/oil mist filter for pump
Automatic backfilling / drainage system
Cascade refrigeration, condenser temperature -80ºC
Stainless steel chamber for organic solvent samples
Check valve for pump to prevent oil sucked into chamber
Leybold pump or other international brand vacuum pump
RS232 and software: Check and keep freeze drying data on computer, control freeze dryer through PC
Special requirements can be customized
Types of freeze dryer in LGJ-12S series:
Package: Strong plywood case, suitable for shipping by sea or air
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Model NO.: LGJ-12S Standard Type
Tray: 4 or 6 PCS
Ice Holding Capacity: 3-4 Kg/24h
Final Vacuum: 0.001 mbar
Voltage: 220V/50 Hz
Delivery Time: 7 Days
Trademark: SYHX
Transport Package: Plywood Case
Specification: 580x500x(720+430)mm
Origin: Beijing, China
General Introduction : Â
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