High Quality Vacuum Freezing Dryer with Shelf Heating for Lab Use

General Introduction :

 Freeze dryer is widely used in medicine, pharmacy, biology research, chemical industry and food production ,etc. After freeze drying process,  a long term preservation for material is much easier. They can be restored to original state and maintain their chemical and biological characteristics after being watered. The vacuum freeze drying technology, which is also called sublimation drying, is a technical method that freezes the samples in advance, and then sublimates its moisture under vacuum state.

LGJ-18S top press type freeze dryer is used for freeze drying experiment in laboratory.
It is vertical freeze dryer, suitable for drying products in bulk and in vial. This machine has heating shelves and programmable function.

Main features

*Control panel display in English

*Vacuum can be displayed in Pa or mbar

*Acrylic drying Chamber is safe and easy to view sample status

*Small and compact structure , with easy and convenient operation

*Vacuum pump with high pumping speed , to reach good final vacuum

*With electricity heating shelf, increasing drying speed

*Safety control system used for shelf heating, to control heating rate

*With programmable function, shelf temperature can be set in drying process

*Hundreds of recipe can be stored, and each recipe can be set up 36 segments

*Condenser with uniform and good ice capture function

*Big opening condenser with external coiling tubes, has pre-freezing function

*With USB port to output freeze drying data, open and view data in Excel format

*Color LCD touch screen displays running time, display sample temperature, condenser temperature,
vacuum degree, and save data automatically

*Display sample temperature curve, condenser temperature curve and vacuum curve

*Historical curves and records can be checked, and storage cycles can be modified in real time

*The user level and password can be set up, and the operation management can be divided

*Powerful sensor calibration functions to ensure accuracy of measured values in long-term use

*CFC-free refrigerant, international famous brand compressor, low noise,good efficiency

*Condenser, trays, drying shelf and pre-freezing shelf are made of stainless steel 304, anti-corrosion

*Stainless steel air inlet valve (drain valve) is safe, anti-corrosion , no leak

*Real-time alarm display, historical alarm query function for fault diagnosis and equipment maintenance

Technical parameters : 

Freeze drying area	0.09m2	0.12m2 (optional)
Ice condenser capacity	6kg /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 , 3 layers Spacing 70mm	Ф200mm , 4 layers Spacing 50mm
Bulk capacity	0.9L, 10mm thickness	1.2L, 10mm thickness
Vial capacity Φ12mm	615 pcs	820 pcs
Vial capacity Φ16mm	345 pcs	460 pcs
Vial capacity Φ22mm	183 pcs	244 pcs
Condenser size	Ф270mm, 400mm deep
Drying chamber size	Ф300×540mm
Vacuum Pump Flow Rate	4 L/S,  14.4 m3/h
Defrosting	Off Cycle Defrosting
Cooling	Air cooling , ambient temperature≤25ºC
Voltage	220V/50 Hz,  110V/60Hz,  120V/60Hz
 Power	1800W  (-50ºC) 2100W  (-80ºC)
Dimension	630x580x(970+540)mm  (-50ºC) 810x580x(950+540)mm  (-80ºC)
weight	165kg  (-50ºC) 195kg  (-80ºC)

Options

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 used for organic solvent sample

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

Other types of freeze dryer in this series  




Package: strong plywood case, suitable for shipping by sea , by air
 

 

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