Labconco™ Benchtop FreeZone™ Freeze-Dry Systems, US Models: 4.5L

With a small footprint and four rubber feet, these smaller capacity models fit easily on benchtop and are ideal for light and moderate loads

Manufacturer: Labconco™ 7750021

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Catalog No. 10-271-11

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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.


    Capacity (Metric) 4.5L
    Depth (English) Interior 18.5 in.
    Height (English) Exterior 22.5 in.
    Temperature Range (Metric) -50°C
    Electrical Requirements 115V 60Hz
    Voltage 115V
    Hertz 60Hz
    Includes PTFE-coated coil and collector chamber
    Sublimation Rate >2L
    Width (English) Exterior 18.6 in.
    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 0.5 to 0.75 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 powder-coated steel with brushed stainless-steel front panels and blue accents
    • 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

  • Description & Specifications
  • Accessories

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