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Labconco™ Benchtop FreeZone™ Freeze-Dry Systems, 208/230V 60Hz Models: 4.5L

With small footprint and four feet, this smaller capacity model fits easily on benchtop and is ideal for light and moderate loads

Manufacturer: labconco™  LCN7750040

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Required Accessories

  • Drying chambers or other drying accessories, vacuum pumps and glassware
  • Come with permanently installed 10-port stainless-steel drying chamber for bulk sample connection

Catalog No. 10-271-14

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Capacity (Metric) 4.5L
Dimensions (L x W x H) Exterior 18.5 x 18 x 22.5 in. (47 x 45.7 x 57.2cm)
Length (English) Exterior 18.5 in.
Height (English) Exterior 22.5 in.
Temperature Range (Metric) -50°C
Electrical Requirements 208/230V 60Hz
Voltage 208/230V
Hertz 60Hz
Includes Stainless-steel coil and collector chamber
Height (Metric) Exterior 57.2cm
Length (Metric) Exterior 47cm
Sublimation Rate >2L
Width (English) Exterior 18 in.
Width (Metric) Exterior 45.7cm
Product Type Benchtop Freeze-Dry System

  • Refrigeration system cools collector to -50°C (-58°F)
  • Has stainless-steel drying chamber with 10 valves to connect serum bottles, ampules or freeze-dry flasks with 1/2 to 3/4 in. adapters (available separately)
  • Upright collector chamber simplifies defrosting; many models include built-in hot gas defrost to quickly melt any collected ice
  • Automatic one-button startup initiates condenser cooldown and vacuum pulldown
  • LCD indicates temperature in °C or °F; vacuum in mbar, Pa, and torr
  • LED vacuum and temperature “waves” show relative system vacuum and collector temperature
  • LED alarm light flashes for abnormal events, including power interruptions, improper power supply, when collector temperature rises above -40°C, and required vacuum pump service
  • Vacuum control valve maintains vacuum level


  • RS-232 port can be used to transmit data to a computer
  • Features
    • Easy to service with retractable drain hoses
    • Cabinets are white epoxy-coated steel with brushed stainless-steel front panels and blue accents
    • Console models have removable front panels and are roomy enough to accommodate vacuum pump
    • Benchtop models easily fit on laboratory benchtop to process light to moderate loads
    • PTFE-coated collector chamber and coil for processes involving corrosive compounds are available