The Labconco FreeZone 4.5 Liter Benchtop Freeze Dryer is built for lyophilizing light to moderate sample loads, making it ideal for labs with limited space that need reliable, efficient performance. Featuring an upright stainless steel collector coil that holds up to 4.5 liters of ice before defrosting, this compact benchtop unit reaches collector temperatures of -50° C (-58° F), perfect for aqueous samples. With the user-friendly Lyo-Works™ OS displayed on a 5" full-color capacitive touch screen, lab staff can easily monitor and control all key parameters in real time.
Product Features
- Upright stainless steel collector coil holds 4.5L of ice before defrosting
- Acrylic collector lid, 3/4" thick, with neoprene gasket and 3" diameter port for drying accessories
- Compact benchtop design saves valuable lab space
- 5" full-color capacitive touch screen with Lyo-Works™ OS
- Real-time display of collector temperature, vacuum level, and optional End-Zone™ detection
- Start–up mode for collector cool-down and vacuum pull-down (automatic/manual)
- Operating modes: standby or run
- Vacuum set point, alerts, diagnostic tests, user manual, defrost control, and accessory parameters
- Data logging exportable via USB or Ethernet in table or chart format
- Settings: language, time zone, temperature (° C/° F), and vacuum (mBar, Torr, Pa)
- Programmable email alerts via Ethernet connection
- Maintenance alerts for pump oil changes, refrigeration cleaning, total operating hours, and voltage offset
- Level-specific security lock-out to prevent unauthorized changes
- Hot gas defrost with auto shut-off at +65° C
- Moisture sensor prevents unsafe refrigeration/vacuum start-up
- Vacuum control valve maintains precise vacuum level
- Vacuum break valve ensures safe venting during power interruption
- Automatic restart after brief power outages; safe lockout if collector warms excessively
- Side-mounted USB port & rear-mounted Ethernet port
- Quick-disconnect drain hose, 18" of 1/4" ID silicone tubing & clamp included
- Rear electrical receptacle for vacuum pump
- 3/4" OD vacuum connection with 50" of 3/4" ID vacuum hose and clamps
Note: Vacuum pump, drying accessory, and freeze dry glassware (if not bulk freeze drying) are required and not included.
Required Accessories (Not Included)
- Vacuum pump with =98 L/min displacement, 0.002 mBar ultimate pressure, and fitting for 3/4" ID vacuum hose
- Small Tray Dryer or other drying accessory
- Freeze dry glassware if not bulk freeze drying
Benefits
- Compact design fits crowded lab benches without sacrificing capacity
- Reliable -50° C collector temperature ensures consistent freeze drying for aqueous samples
- Intuitive controls with real-time data for precise process management
- Advanced safety features like lock-out and moisture detection protect samples and equipment
- Data logging and alerts help monitor and document each freeze drying cycle
Why Choose the Labconco FreeZone 4.5L Benchtop Freeze Dryer?
Combining space-saving design, -50° C performance, and advanced control, the Labconco FreeZone 4.5L Benchtop Freeze Dryer is ideal for labs handling moderate sample loads. With features like programmable alerts, real-time monitoring, and built-in safety protections, it’s a robust solution for research, diagnostics, and routine lyophilization workflows.